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MICE · YOUR NEXT FACE-OFF

Logitech G305 LIGHTSPEED vs Logitech MX Ergo S Advanced Wireless Trackball

Real specs. Clear sources.Exact models · UK & US buying links

Compared products

YOUR FIRST CHOICE

Logitech G305 LIGHTSPEED

Black · LIGHTSPEED wireless · M-R0071 hardware

Black Logitech G305 LIGHTSPEED wireless mouse viewed from above, with its scroll wheel, DPI button and side buttons visible
Full product profile Official image
Exact model & source notes

The black G305 LIGHTSPEED is a wireless mouse with a HERO sensor rated up to 12,000 DPI, six programmable buttons and a 1000 Hz report rate, powered by one replaceable AA battery (99 g with the battery fitted).

Specifications checked 11 Sept 2026.

Amazon links open search results. Check the exact variant, current price and availability with the retailer.

Manufacturer specifications
WHICH SUITS YOU?

Choose the G305 LIGHTSPEED for

  • A symmetric shape
  • Shorter stated body length: 116.6 mm vs 132.5 mm

Choose the MX Ergo S Advanced Wireless Trackball for

  • A right-hand shape
  • More stated listed controls: 8 vs 6
  • Longer stated body length: 132.5 mm vs 116.6 mm
Built from verified specifications that differ. Not a rating or a recommendation.
See the 9 verified differences
THE CONTENDER

Logitech MX Ergo S Advanced Wireless Trackball

Graphite · right-handed thumb trackball · 910-007260 · UK manufacturer configuration

Logitech MX Ergo S wireless trackball in Graphite: official product image
Full product profile Official image
Exact model & source notes

The MX Ergo S (UK part 910-007260, Graphite) is a right-handed thumb trackball from Logitech: the body stays put while your thumb moves the ball, the hinge tilts from 0 to 20 degrees, and it has quiet clicks, eight buttons including a precision-mode button, a Bolt receiver and Bluetooth.

Specifications checked 26 Sept 2026.

Amazon links open search results. Check the exact variant, current price and availability with the retailer.

Manufacturer specifications

G305 LIGHTSPEED UK & US retailers

UK
Search Amazon UKSearch eBay UK
US
Search Amazon USSearch eBay US

UK & US price history: no verified listing yet

MX Ergo S Advanced Wireless Trackball UK & US retailers

UK
Search Amazon UKSearch eBay UK
US
Search Amazon USSearch eBay US

UK & US price history: no verified listing yet

Search links open retailer results, not a matched listing; eBay listings are checked daily. As an Amazon Associate I earn from qualifying purchases. As an eBay Partner, we may be compensated if you make a purchase.

THE DIFFERENCES, MADE VISIBLE

Visual facts

Differences first. Select a topic for its graphic, sources and conditions.

How to read this comparison
  • Manufacturer facts for the exact models shown. Not a quality rating or a test result.
  • “Different” means the known values differ, not that one is better.
  • Missing or conflicting evidence is marked and never counts as a difference. Source chips hold each fact’s sources and conditions.
SPECIFICATIONS SIDE BY SIDE7 topics
SELECTED TOPIC
01 / 07

Connections

Check the exact configuration and source conditions for your use.

Logitech G305 LIGHTSPEED2.4 GHz LIGHTSPEED wireless with USB receiver

Manufacturer specification

Source 1
Logitech MX Ergo S Advanced Wireless TrackballLogi Bolt USB-A receiver (included) and Bluetooth Low Energy (5.2); USB-C charging (cable not included)

Manufacturer specification

Source 1Source 2
Explore the full specifications

Choose the grip, then check the connection. Left-side thumb controls are not a mirrored left-handed layout. Check the receiver or USB connection, battery requirements and your preferred shape. DPI is tracking resolution, not an accuracy score; no gaming winner is inferred.

WHAT CHANGES BETWEEN THEM?

Key differences

Full specifications ↓

9 verified differences, most decision-relevant first. 7 are also drawn in Visual facts above. Missing information stays separate.

Connections

In Visual facts
Logitech G305 LIGHTSPEED2.4 GHz LIGHTSPEED wireless with USB receiver
Logitech MX Ergo S Advanced Wireless TrackballLogi Bolt USB-A receiver (included) and Bluetooth Low Energy (5.2); USB-C charging (cable not included)
Sources
Logitech G305 LIGHTSPEED

Manufacturer specification

Logitech G305 LIGHTSPEED — manufacturer specifications

Check the exact configuration and source conditions for your use.

Sensor model / type

In Visual facts
Logitech G305 LIGHTSPEEDHERO
Logitech MX Ergo S Advanced Wireless TrackballLogitech Advanced Optical Tracking (thumb-operated trackball)
Sources
Logitech G305 LIGHTSPEED

Manufacturer specification · Logitech's sensor name.

Logitech G305 LIGHTSPEED — manufacturer specifications
Logitech MX Ergo S Advanced Wireless Trackball

Manufacturer specification · The body stays still; the thumb moves the ball.

Logitech UK — MX Ergo S product page and technical specificationsLogitech Support — Specification - MX Ergo S

Sensor settings and manufacturer tracking limits describe capabilities, not independently measured accuracy or gaming performance. Preserve each test surface and software condition.

Listed controls

In Visual facts
Logitech G305 LIGHTSPEED6
Logitech MX Ergo S Advanced Wireless Trackball8
Sources
Logitech G305 LIGHTSPEED

Manufacturer specification · Left, right, wheel click, forward, back and DPI cycle; the underside power switch is extra.

Logitech G305 LIGHTSPEED — manufacturer specificationsLogitech G305 — battery, receiver and button layout
Logitech MX Ergo S Advanced Wireless Trackball

Manufacturer specification · Left/right click, back/forward, scroll wheel with left/right tilt and middle click, Precision Mode and Easy-Switch; 6 are customisable.

Logitech UK — MX Ergo S product page and technical specificationsLogitech Support — Specification - MX Ergo S

Physical clicks, programmable wheel actions and optional side buttons can produce different counts. Read each configuration; a larger count does not establish better control or programmability.

Hand orientation

In Visual facts
Logitech G305 LIGHTSPEEDSymmetric shell; side buttons on the left only
Logitech MX Ergo S Advanced Wireless TrackballRight-handed only (thumb trackball on the left side); sized for medium to large hands
Sources
Logitech G305 LIGHTSPEED

Manufacturer specification · Control layout from the manufacturer's button diagram and product views.

Logitech G305 LIGHTSPEED — manufacturer specificationsLogitech G305 — battery, receiver and button layout
Logitech MX Ergo S Advanced Wireless Trackball

Manufacturer specification · Logitech describes the sculpted design as 'a good fit for medium to large-sized hands'.

Logitech UK — MX Ergo S product page and technical specifications

Check the exact configuration and source conditions for your use.

Customisation software

In Visual facts
Logitech G305 LIGHTSPEEDLogitech G HUB
Logitech MX Ergo S Advanced Wireless TrackballLogi Options+ (Windows and macOS): 6 customisable buttons, time-saving shortcuts and Smart Actions; Logitech Flow for copy and paste across multiple computers
Sources
Logitech G305 LIGHTSPEED

Manufacturer specification · G HUB is an optional download (internet required); advanced settings need it.

Logitech G305 LIGHTSPEED — manufacturer specificationsLogitech G305 — US black configuration
Logitech MX Ergo S Advanced Wireless Trackball

Manufacturer specification

Logitech UK — MX Ergo S product page and technical specifications

Stored profiles, sensitivity settings and software assignments are different capabilities. An unspecified profile count is not zero; check the software and firmware conditions.

Show 3 more verified differences

Power source

In Visual facts
Logitech G305 LIGHTSPEEDOne AA battery
Logitech MX Ergo S Advanced Wireless TrackballRechargeable 500 mAh lithium; up to 120 days per full charge; 24 hours from a 1-minute charge; not user-replaceable
Sources
Logitech G305 LIGHTSPEED

Manufacturer specification · Original exact battery-type description: One replaceable AA alkaline or lithium battery. One AA battery (alkaline cell included); a lithium AA is lighter. Manufacturer supports replaceable alkaline or lithium AA; the included alkaline and optional lighter lithium are distinct conditions. Separately sourced250hour continuous performance-mode and nine-month standard Endurance-mode fields remain unchanged; Endurance reduces tracking performance.

Logitech G305 LIGHTSPEED — manufacturer specifications

Manufacturer claims for the stated mode and equipment. Read each test condition; this is not measured everyday battery life.

Listed package

Logitech G305 LIGHTSPEEDG305 mouse; LIGHTSPEED USB receiver; one alkaline AA; documentation
Logitech MX Ergo S Advanced Wireless TrackballTrackball; Logi Bolt receiver; documentation (no cable)
Sources
Logitech G305 LIGHTSPEED

Manufacturer specification · Includes one alkaline AA battery.

Logitech G305 LIGHTSPEED — manufacturer specificationsLogitech G305 — battery, receiver and button layout

Check the exact configuration and source conditions for your use.

Rated primary-button lifecycle

Logitech G305 LIGHTSPEED10 million clicks
Logitech MX Ergo S Advanced Wireless TrackballLeft/right 3 million cycles; middle wheel 1 million
Sources
Logitech G305 LIGHTSPEED

Manufacturer specification · Logitech's rating for the left and right primary buttons; not observed lifetime. A full durability-test protocol is not stated.

Logitech G305 LIGHTSPEED — manufacturer specificationsLogitech G305 — US black configuration
Logitech MX Ergo S Advanced Wireless Trackball

Manufacturer specification

Logitech Support — Specification - MX Ergo S

Check the exact configuration and source conditions for your use.

Configuration & compatibility details (1)

Manufacturer host requirements

Logitech G305 LIGHTSPEEDUSB port; Windows 7 or later; macOS 10.13 or later; ChromeOS
Logitech MX Ergo S Advanced Wireless TrackballBolt: Windows 10/11+, macOS 12+, Linux, ChromeOS; Bluetooth: also iPadOS 15+ and Android 12+
Sources
Logitech G305 LIGHTSPEED

Manufacturer specification · Requires a USB 2.0 or later port; G HUB has its own current system requirements.

Logitech G305 LIGHTSPEED — manufacturer specificationsLogitech G305 — US black configuration
Logitech MX Ergo S Advanced Wireless Trackball

Manufacturer specification · Basic functions without drivers outside Windows and macOS.

Logitech UK — MX Ergo S product page and technical specificationsLogitech Support — Specification - MX Ergo S

These descriptions or measurements differ. Wording alone does not establish a different capability; check the exact configuration.

Missing or non-comparable evidence (30)

Main switch technology

Logitech G305 LIGHTSPEEDNot verified
Logitech MX Ergo S Advanced Wireless TrackballNot verified
Sources
Logitech G305 LIGHTSPEED

The manufacturer describes mechanical button tensioning, which does not establish the electrical switch actuation type. · Manufacturer specification · Primary-button tensioning is recorded separately. Electrical switch actuation and vendor remain unverified.

Logitech G305 LIGHTSPEED — manufacturer specificationsLogitech G305 — US black configuration
Logitech MX Ergo S Advanced Wireless Trackball

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Scroll controls

Logitech G305 LIGHTSPEEDWheel scrolling and middle click; no left/right tilt
Logitech MX Ergo S Advanced Wireless TrackballNot verified
Sources
Logitech G305 LIGHTSPEED

Manufacturer specification · Logitech's support table says no tilt.

Logitech G305 LIGHTSPEED — manufacturer specificationsLogitech G305 — battery, receiver and button layout
Logitech MX Ergo S Advanced Wireless Trackball

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Maximum report rate

Logitech G305 LIGHTSPEED1000 Hz
Logitech MX Ergo S Advanced Wireless TrackballNot verified
Sources
Logitech G305 LIGHTSPEED

Manufacturer specification · 1 ms report interval.

Logitech G305 — battery, receiver and button layoutLogitech G305 — US black configuration
Logitech MX Ergo S Advanced Wireless Trackball

Logitech support lists 125 Hz (8 ms) over the receiver in HI mode and 88–133 Hz (7.5–11.25 ms) over Bluetooth; no single maximum is stated. · Manufacturer specification

Logitech Support — Specification - MX Ergo S

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Onboard profile capacity

Logitech G305 LIGHTSPEED1 profile
Logitech MX Ergo S Advanced Wireless TrackballNot verified
Sources
Logitech G305 LIGHTSPEED

Manufacturer specification · One hardware profile, separate from the five DPI settings.

Logitech G305 LIGHTSPEED — manufacturer specificationsLogitech G305 — battery, receiver and button layoutLogitech G305 — US black configuration
Logitech MX Ergo S Advanced Wireless Trackball

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Onboard memory

Logitech G305 LIGHTSPEEDYes
Logitech MX Ergo S Advanced Wireless TrackballNot verified
Sources
Logitech MX Ergo S Advanced Wireless Trackball

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Claimed Endurance-mode runtime

Logitech G305 LIGHTSPEEDUp to nine months of standard use
Logitech MX Ergo S Advanced Wireless TrackballNot verified
Sources
Logitech G305 LIGHTSPEED

Manufacturer specification · Endurance mode, standard use; Endurance mode reduces tracking performance.

Logitech G305 LIGHTSPEED — manufacturer specificationsLogitech G305 — battery, receiver and button layoutLogitech G305 — US black configuration
Logitech MX Ergo S Advanced Wireless Trackball

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Claimed performance-mode runtime

Logitech G305 LIGHTSPEED250 hours
Logitech MX Ergo S Advanced Wireless TrackballNot verified
Sources
Logitech G305 LIGHTSPEED

Manufacturer specification · Continuous use in performance mode.

Logitech G305 LIGHTSPEED — manufacturer specifications
Logitech MX Ergo S Advanced Wireless Trackball

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Lighting

Logitech G305 LIGHTSPEEDNo RGB lighting; status indicator only
Logitech MX Ergo S Advanced Wireless TrackballNot verified
Sources
Logitech G305 LIGHTSPEED

Manufacturer specification · The single status LED shows battery, DPI and mode.

Logitech G305 LIGHTSPEED — manufacturer specifications
Logitech MX Ergo S Advanced Wireless Trackball

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Receiver storage

Logitech G305 LIGHTSPEEDInside the mouse battery compartment
Logitech MX Ergo S Advanced Wireless TrackballNot verified
Sources
Logitech G305 LIGHTSPEED

Manufacturer specification · The USB receiver stores under the battery cover.

Logitech G305 LIGHTSPEED — manufacturer specificationsLogitech G305 — battery, receiver and button layoutLogitech G305 — US black configuration
Logitech MX Ergo S Advanced Wireless Trackball

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Primary-button tensioning

Logitech G305 LIGHTSPEEDPrimary-button tensioning system
Logitech MX Ergo S Advanced Wireless TrackballNot verified
Sources
Logitech G305 LIGHTSPEED

Manufacturer specification · Manufacturer-stated primary-button tensioning mechanism, separate from electrical actuation, measured click force, latency or reliability. Original manufacturer description: Mechanical primary-button tensioning system. Detail absence on a counterpart is not proof of a different mechanism.

Logitech G305 LIGHTSPEED — manufacturer specificationsLogitech G305 — US black configuration
Logitech MX Ergo S Advanced Wireless Trackball

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Certifications

Logitech G305 LIGHTSPEEDNot verified
Logitech MX Ergo S Advanced Wireless TrackballCertified by ergonomists
Sources
Logitech G305 LIGHTSPEED

No source recorded for this side.

Logitech MX Ergo S Advanced Wireless Trackball

Manufacturer specification · Logitech says MX Ergo S is certified by ergonomists, with a 20-degree tilt angle that encourages a better forearm posture and reduces muscle strain in the forearm by 27%. Logitech does not name the certifying ergonomists or the basis of the 27% figure on these pages.

Logitech UK — MX Ergo S product page and technical specificationsLogitech US — MX Ergo S product page and technical specifications

Evidence is missing or conflicting on at least one side. This is not a verified difference.

On-the-fly DPI settings

Logitech G305 LIGHTSPEED5 settings
Logitech MX Ergo S Advanced Wireless TrackballNot verified
Sources
Logitech G305 LIGHTSPEED

Manufacturer specification · Four default settings; G HUB enables a fifth.

Logitech G305 — battery, receiver and button layoutLogitech G305 — US black configuration
Logitech MX Ergo S Advanced Wireless Trackball

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Glide feet

Logitech G305 LIGHTSPEEDPTFE
Logitech MX Ergo S Advanced Wireless TrackballNot verified
Sources
Logitech G305 LIGHTSPEED

Manufacturer specification · Logitech rates the feet for 250 km.

Logitech G305 — US black configuration
Logitech MX Ergo S Advanced Wireless Trackball

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Materials

Logitech G305 LIGHTSPEEDNot verified
Logitech MX Ergo S Advanced Wireless TrackballMade with recycled plastic
Sources
Logitech G305 LIGHTSPEED

No source recorded for this side.

Logitech MX Ergo S Advanced Wireless Trackball

Manufacturer specification · Logitech's UK product data give certified PCR plastic of 20% for the mouse in Graphite 910-007260, excluding packaging, printed wiring assembly, cables and receiver, and note that the percentage of recycled plastic may vary by colour; the US page gives the same 20% for its Graphite MX Ergo S. Logitech's support specification lists the materials used as plastic PCR ABS, PC, rubber and metal.

Logitech UK — MX Ergo S product page and technical specificationsLogitech US — MX Ergo S product page and technical specificationsLogitech Support — Specification - MX Ergo S

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Multi-device pairing

Logitech G305 LIGHTSPEEDNot verified
Logitech MX Ergo S Advanced Wireless TrackballUp to 2 devices via Bluetooth or the included Logi Bolt receiver; switch with the Easy-Switch button
Sources
Logitech G305 LIGHTSPEED

No source recorded for this side.

Logitech MX Ergo S Advanced Wireless Trackball

Manufacturer specification · Logitech Flow support via Logi Options+.

Logitech UK — MX Ergo S product page and technical specifications

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Click noise

Logitech G305 LIGHTSPEEDNot verified
Logitech MX Ergo S Advanced Wireless TrackballQuiet clicks: 80% quieter clicks than MX Ergo
Sources
Logitech G305 LIGHTSPEED

No source recorded for this side.

Logitech MX Ergo S Advanced Wireless Trackball

Manufacturer specification · Logitech comparison with MX Ergo; no decibel figure is published.

Logitech UK — MX Ergo S product page and technical specifications

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Maximum tracking resolution

Logitech G305 LIGHTSPEED12000 DPI
Logitech MX Ergo S Advanced Wireless TrackballConflicting evidence
Sources
Logitech G305 LIGHTSPEED

Manufacturer specification

Logitech G305 LIGHTSPEED — manufacturer specifications
Logitech MX Ergo S Advanced Wireless Trackball

2,048 dpi on the product page; the support specification also lists 2,000 (software) and 4,000 (firmware). · Manufacturer specification

Logitech UK — MX Ergo S product page and technical specificationsLogitech Support — Specification - MX Ergo S

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Minimum sensitivity

Logitech G305 LIGHTSPEED200 DPI
Logitech MX Ergo S Advanced Wireless TrackballConflicting evidence
Sources
Logitech MX Ergo S Advanced Wireless Trackball

The product page lists 512–2,048 dpi; the support specification lists both '100-2000 (SW), 4000 (FW)' and '512 to 2048 DPI'. · Manufacturer specification

Logitech UK — MX Ergo S product page and technical specificationsLogitech Support — Specification - MX Ergo S

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Published sensor processing

Logitech G305 LIGHTSPEEDZero smoothing, acceleration and filtering
Logitech MX Ergo S Advanced Wireless TrackballNot verified
Sources
Logitech G305 LIGHTSPEED

Manufacturer specification

Logitech G305 — US black configuration
Logitech MX Ergo S Advanced Wireless Trackball

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Adjustable tilt

Logitech G305 LIGHTSPEEDNot verified
Logitech MX Ergo S Advanced Wireless TrackballHinge adjustable between 0 and 20 degrees
Sources
Logitech G305 LIGHTSPEED

No source recorded for this side.

Logitech MX Ergo S Advanced Wireless Trackball

Manufacturer specification

Logitech UK — MX Ergo S product page and technical specifications

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Published acceleration threshold

Logitech G305 LIGHTSPEED40 G
Logitech MX Ergo S Advanced Wireless TrackballNot verified
Sources
Logitech G305 LIGHTSPEED

Manufacturer specification · Tested by Logitech on a G240 mouse pad.

Logitech G305 — US black configuration
Logitech MX Ergo S Advanced Wireless Trackball

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Published tracking speed

Logitech G305 LIGHTSPEED400 IPS
Logitech MX Ergo S Advanced Wireless TrackballNot verified
Sources
Logitech G305 LIGHTSPEED

Manufacturer specification · Tested by Logitech on a G240 mouse pad.

Logitech G305 — US black configuration
Logitech MX Ergo S Advanced Wireless Trackball

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Limited hardware warranty

Logitech G305 LIGHTSPEEDNot verified
Logitech MX Ergo S Advanced Wireless TrackballConflicting evidence
Sources
Logitech G305 LIGHTSPEED

No source recorded for this side.

Logitech MX Ergo S Advanced Wireless Trackball

Logitech UK lists a 2-year limited hardware warranty; Logitech US lists 1 year. Regional terms differ. · Manufacturer specification

Logitech UK — MX Ergo S product page and technical specificationsLogitech US — MX Ergo S product page and technical specifications

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Claimed wireless range

Logitech G305 LIGHTSPEEDUp to 10 m
Logitech MX Ergo S Advanced Wireless Trackball10 m
Sources
Logitech G305 LIGHTSPEED

Manufacturer specification · Logitech recommends keeping the receiver within 20 cm in noisy wireless environments.

Logitech G305 LIGHTSPEED — manufacturer specificationsLogitech G305 — battery, receiver and button layout

The recorded units or formats differ. These values are not ranked.

Body width

Logitech G305 LIGHTSPEEDConflicting evidence
Logitech MX Ergo S Advanced Wireless Trackball99.8 mm
Sources
Logitech G305 LIGHTSPEED

Logitech's M-R0071 support table lists 62.15 mm width; its current US product page lists 62.1 mm. The width remains unresolved. Both list 116.6 mm length and 38.2 mm height. · Manufacturer specification · Logitech's M-R0071 support table lists 62.15 mm width; its current US product page lists 62.1 mm. The width remains unresolved. Both list 116.6 mm length and 38.2 mm height.

Logitech G305 LIGHTSPEED — manufacturer specificationsLogitech G305 — US black configuration

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Dimensions

Logitech G305 LIGHTSPEEDConflicting evidence
Logitech MX Ergo S Advanced Wireless Trackball132.5 × 99.8 × 51.4 mm (length × width × height)
Sources
Logitech G305 LIGHTSPEED

Logitech's M-R0071 support table lists 62.15 mm width; its current US product page lists 62.1 mm. The width remains unresolved. Both list 116.6 mm length and 38.2 mm height. · Manufacturer specification · Logitech's M-R0071 support table lists 62.15 mm width; its current US product page lists 62.1 mm. The width remains unresolved. Both list 116.6 mm length and 38.2 mm height.

Logitech G305 LIGHTSPEED — manufacturer specificationsLogitech G305 — US black configuration
Logitech MX Ergo S Advanced Wireless Trackball

Manufacturer specification · Logitech labels these Height 132.5 mm, Width 99.8 mm, Depth 51.4 mm; the first is the front-to-back length in its top-view convention.

Logitech UK — MX Ergo S product page and technical specificationsLogitech Support — Specification - MX Ergo S

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Weight

Logitech G305 LIGHTSPEED99 g
Logitech MX Ergo S Advanced Wireless Trackball259 g
Sources
Logitech G305 LIGHTSPEED

Manufacturer specification · With one AA battery; 75 g without it.

Logitech G305 LIGHTSPEED — manufacturer specifications
Logitech MX Ergo S Advanced Wireless Trackball

Manufacturer specification · With the magnetic metal base plate, without receiver. Without the plate: 164 g.

Logitech UK — MX Ergo S product page and technical specificationsLogitech Support — Specification - MX Ergo S

The manufacturer sources do not establish the same cable weighing basis. Both published masses remain visible with their conditions, but are not ranked.

Weight without battery

Logitech G305 LIGHTSPEED75 g
Logitech MX Ergo S Advanced Wireless TrackballNot verified
Sources
Logitech G305 LIGHTSPEED

Manufacturer specification · Without the AA battery; 99 g ready to use.

Logitech G305 LIGHTSPEED — manufacturer specifications
Logitech MX Ergo S Advanced Wireless Trackball

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

0 shared fields have the same recorded value.

WHAT EACH CHOICE ASKS OF YOU

What it brings and what to check

Logitech G305 LIGHTSPEED

What it brings

What to check

Logitech MX Ergo S Advanced Wireless Trackball

What it brings

  • Thumb control keeps hand movement to a minimum while the hand rests on the sculpted body, and the adjustable 0–20° hinge lets you set the tilt; Logitech sizes it for medium to large hands.
    Manufacturer source
  • Eight buttons, including a tilting scroll wheel and a dedicated Precision Mode button to drop sensitivity on the fly; six are customisable in Logi Options+.
    Manufacturer source Manufacturer source
  • Logitech rates the 500 mAh battery for up to 120 days per charge, and it connects via the included Bolt receiver or Bluetooth 5.2.
    Manufacturer source Manufacturer source
  • Logitech says the S version has 80% quieter clicks than the MX Ergo, plus USB-C quick charging and Logi Bolt; it connects to up to 2 devices via Bluetooth or the included Logi Bolt receiver, switches between them with the Easy-Switch button and supports Logitech Flow.
    Manufacturer source

What to check

COMPARE THE DETAILS

Full specifications

How we verify
40 of 40 specifications Sources in each row
Source-backed specifications for Logitech G305 LIGHTSPEED and Logitech MX Ergo S Advanced Wireless Trackball
SpecificationLogitech G305 LIGHTSPEEDLogitech MX Ergo S Advanced Wireless Trackball
WeightDifferent
Sources
Logitech G305 LIGHTSPEED

Manufacturer specification · With one AA battery; 75 g without it.

Logitech G305 LIGHTSPEED — manufacturer specifications
Logitech MX Ergo S Advanced Wireless Trackball

Manufacturer specification · With the magnetic metal base plate, without receiver. Without the plate: 164 g.

Logitech UK — MX Ergo S product page and technical specificationsLogitech Support — Specification - MX Ergo S
99 g259 g
Dimensions
Sources
Logitech G305 LIGHTSPEED

Logitech's M-R0071 support table lists 62.15 mm width; its current US product page lists 62.1 mm. The width remains unresolved. Both list 116.6 mm length and 38.2 mm height. · Manufacturer specification · Logitech's M-R0071 support table lists 62.15 mm width; its current US product page lists 62.1 mm. The width remains unresolved. Both list 116.6 mm length and 38.2 mm height.

Logitech G305 LIGHTSPEED — manufacturer specificationsLogitech G305 — US black configuration
Logitech MX Ergo S Advanced Wireless Trackball

Manufacturer specification · Logitech labels these Height 132.5 mm, Width 99.8 mm, Depth 51.4 mm; the first is the front-to-back length in its top-view convention.

Logitech UK — MX Ergo S product page and technical specificationsLogitech Support — Specification - MX Ergo S
Conflicting sources132.5 × 99.8 × 51.4 mm (length × width × height)
Body lengthDifferent
Sources
Logitech G305 LIGHTSPEED

Manufacturer specification

Logitech G305 LIGHTSPEED — manufacturer specifications
116.6 mm132.5 mm
Body width
Sources
Logitech G305 LIGHTSPEED

Logitech's M-R0071 support table lists 62.15 mm width; its current US product page lists 62.1 mm. The width remains unresolved. Both list 116.6 mm length and 38.2 mm height. · Manufacturer specification · Logitech's M-R0071 support table lists 62.15 mm width; its current US product page lists 62.1 mm. The width remains unresolved. Both list 116.6 mm length and 38.2 mm height.

Logitech G305 LIGHTSPEED — manufacturer specificationsLogitech G305 — US black configuration
Conflicting sources99.8 mm
Hand orientationDifferent
Sources
Logitech G305 LIGHTSPEED

Manufacturer specification · Control layout from the manufacturer's button diagram and product views.

Logitech G305 LIGHTSPEED — manufacturer specificationsLogitech G305 — battery, receiver and button layout
Logitech MX Ergo S Advanced Wireless Trackball

Manufacturer specification · Logitech describes the sculpted design as 'a good fit for medium to large-sized hands'.

Logitech UK — MX Ergo S product page and technical specifications
Symmetric shell; side buttons on the left onlyRight-handed only (thumb trackball on the left side); sized for medium to large hands
Weight without battery
Sources
Logitech G305 LIGHTSPEED

Manufacturer specification · Without the AA battery; 99 g ready to use.

Logitech G305 LIGHTSPEED — manufacturer specifications
Logitech MX Ergo S Advanced Wireless Trackball

No source recorded.

75 gNot provided
Glide feet
Sources
Logitech G305 LIGHTSPEED

Manufacturer specification · Logitech rates the feet for 250 km.

Logitech G305 — US black configuration
Logitech MX Ergo S Advanced Wireless Trackball

No source recorded.

PTFENot provided
Weight without base plate
Sources
Logitech G305 LIGHTSPEED

No source recorded.

Logitech MX Ergo S Advanced Wireless Trackball

Manufacturer specification · Without metal plate and receiver.

Logitech UK — MX Ergo S product page and technical specificationsLogitech Support — Specification - MX Ergo S
Not provided164 g
Sensor model / typeDifferent
Sources
Logitech G305 LIGHTSPEED

Manufacturer specification · Logitech's sensor name.

Logitech G305 LIGHTSPEED — manufacturer specifications
Logitech MX Ergo S Advanced Wireless Trackball

Manufacturer specification · The body stays still; the thumb moves the ball.

Logitech UK — MX Ergo S product page and technical specificationsLogitech Support — Specification - MX Ergo S
HEROLogitech Advanced Optical Tracking (thumb-operated trackball)
Maximum tracking resolution
Sources
Logitech G305 LIGHTSPEED

Manufacturer specification

Logitech G305 LIGHTSPEED — manufacturer specifications
Logitech MX Ergo S Advanced Wireless Trackball

2,048 dpi on the product page; the support specification also lists 2,000 (software) and 4,000 (firmware). · Manufacturer specification

Logitech UK — MX Ergo S product page and technical specificationsLogitech Support — Specification - MX Ergo S
12000 DPIConflicting sources
Maximum report rate
Sources
Logitech G305 LIGHTSPEED

Manufacturer specification · 1 ms report interval.

Logitech G305 — battery, receiver and button layoutLogitech G305 — US black configuration
Logitech MX Ergo S Advanced Wireless Trackball

Logitech support lists 125 Hz (8 ms) over the receiver in HI mode and 88–133 Hz (7.5–11.25 ms) over Bluetooth; no single maximum is stated. · Manufacturer specification

Logitech Support — Specification - MX Ergo S
1000 HzNot listed by the manufacturer
Published tracking speed
Sources
Logitech G305 LIGHTSPEED

Manufacturer specification · Tested by Logitech on a G240 mouse pad.

Logitech G305 — US black configuration
Logitech MX Ergo S Advanced Wireless Trackball

No source recorded.

400 IPSNot provided
Published acceleration threshold
Sources
Logitech G305 LIGHTSPEED

Manufacturer specification · Tested by Logitech on a G240 mouse pad.

Logitech G305 — US black configuration
Logitech MX Ergo S Advanced Wireless Trackball

No source recorded.

40 GNot provided
Published sensor processing
Sources
Logitech G305 LIGHTSPEED

Manufacturer specification

Logitech G305 — US black configuration
Logitech MX Ergo S Advanced Wireless Trackball

No source recorded.

Zero smoothing, acceleration and filteringNot provided
Minimum sensitivity
Sources
Logitech MX Ergo S Advanced Wireless Trackball

The product page lists 512–2,048 dpi; the support specification lists both '100-2000 (SW), 4000 (FW)' and '512 to 2048 DPI'. · Manufacturer specification

Logitech UK — MX Ergo S product page and technical specificationsLogitech Support — Specification - MX Ergo S
200 DPIConflicting sources
On-the-fly DPI settings
Sources
Logitech G305 LIGHTSPEED

Manufacturer specification · Four default settings; G HUB enables a fifth.

Logitech G305 — battery, receiver and button layoutLogitech G305 — US black configuration
Logitech MX Ergo S Advanced Wireless Trackball

No source recorded.

5 settingsNot provided
Listed controlsDifferent
Sources
Logitech G305 LIGHTSPEED

Manufacturer specification · Left, right, wheel click, forward, back and DPI cycle; the underside power switch is extra.

Logitech G305 LIGHTSPEED — manufacturer specificationsLogitech G305 — battery, receiver and button layout
Logitech MX Ergo S Advanced Wireless Trackball

Manufacturer specification · Left/right click, back/forward, scroll wheel with left/right tilt and middle click, Precision Mode and Easy-Switch; 6 are customisable.

Logitech UK — MX Ergo S product page and technical specificationsLogitech Support — Specification - MX Ergo S
68
Scroll controls
Sources
Logitech G305 LIGHTSPEED

Manufacturer specification · Logitech's support table says no tilt.

Logitech G305 LIGHTSPEED — manufacturer specificationsLogitech G305 — battery, receiver and button layout
Logitech MX Ergo S Advanced Wireless Trackball

No source recorded.

Wheel scrolling and middle click; no left/right tiltNot provided
Primary-button tensioning
Sources
Logitech G305 LIGHTSPEED

Manufacturer specification · Manufacturer-stated primary-button tensioning mechanism, separate from electrical actuation, measured click force, latency or reliability. Original manufacturer description: Mechanical primary-button tensioning system. Detail absence on a counterpart is not proof of a different mechanism.

Logitech G305 LIGHTSPEED — manufacturer specificationsLogitech G305 — US black configuration
Logitech MX Ergo S Advanced Wireless Trackball

No source recorded.

Primary-button tensioning systemNot provided
Rated primary-button lifecycleDifferent
Sources
Logitech G305 LIGHTSPEED

Manufacturer specification · Logitech's rating for the left and right primary buttons; not observed lifetime. A full durability-test protocol is not stated.

Logitech G305 LIGHTSPEED — manufacturer specificationsLogitech G305 — US black configuration
Logitech MX Ergo S Advanced Wireless Trackball

Manufacturer specification

Logitech Support — Specification - MX Ergo S
10 million clicksLeft/right 3 million cycles; middle wheel 1 million
ConnectionsDifferent
Sources
Logitech G305 LIGHTSPEED

Manufacturer specification

Logitech G305 LIGHTSPEED — manufacturer specifications
2.4 GHz LIGHTSPEED wireless with USB receiverLogi Bolt USB-A receiver (included) and Bluetooth Low Energy (5.2); USB-C charging (cable not included)
Power sourceDifferent
Sources
Logitech G305 LIGHTSPEED

Manufacturer specification · Original exact battery-type description: One replaceable AA alkaline or lithium battery. One AA battery (alkaline cell included); a lithium AA is lighter. Manufacturer supports replaceable alkaline or lithium AA; the included alkaline and optional lighter lithium are distinct conditions. Separately sourced250hour continuous performance-mode and nine-month standard Endurance-mode fields remain unchanged; Endurance reduces tracking performance.

Logitech G305 LIGHTSPEED — manufacturer specifications
One AA batteryRechargeable 500 mAh lithium; up to 120 days per full charge; 24 hours from a 1-minute charge; not user-replaceable
Claimed performance-mode runtime
Sources
Logitech G305 LIGHTSPEED

Manufacturer specification · Continuous use in performance mode.

Logitech G305 LIGHTSPEED — manufacturer specifications
Logitech MX Ergo S Advanced Wireless Trackball

No source recorded.

250 hoursNot provided
Claimed Endurance-mode runtime
Sources
Logitech G305 LIGHTSPEED

Manufacturer specification · Endurance mode, standard use; Endurance mode reduces tracking performance.

Logitech G305 LIGHTSPEED — manufacturer specificationsLogitech G305 — battery, receiver and button layoutLogitech G305 — US black configuration
Logitech MX Ergo S Advanced Wireless Trackball

No source recorded.

Up to nine months of standard useNot provided
Receiver storage
Sources
Logitech G305 LIGHTSPEED

Manufacturer specification · The USB receiver stores under the battery cover.

Logitech G305 LIGHTSPEED — manufacturer specificationsLogitech G305 — battery, receiver and button layoutLogitech G305 — US black configuration
Logitech MX Ergo S Advanced Wireless Trackball

No source recorded.

Inside the mouse battery compartmentNot provided
Claimed wireless range
Sources
Logitech G305 LIGHTSPEED

Manufacturer specification · Logitech recommends keeping the receiver within 20 cm in noisy wireless environments.

Logitech G305 LIGHTSPEED — manufacturer specificationsLogitech G305 — battery, receiver and button layout
Up to 10 m10 m
Lighting
Sources
Logitech G305 LIGHTSPEED

Manufacturer specification · The single status LED shows battery, DPI and mode.

Logitech G305 LIGHTSPEED — manufacturer specifications
Logitech MX Ergo S Advanced Wireless Trackball

No source recorded.

No RGB lighting; status indicator onlyNot provided
Onboard profile capacity
Sources
Logitech G305 LIGHTSPEED

Manufacturer specification · One hardware profile, separate from the five DPI settings.

Logitech G305 LIGHTSPEED — manufacturer specificationsLogitech G305 — battery, receiver and button layoutLogitech G305 — US black configuration
Logitech MX Ergo S Advanced Wireless Trackball

No source recorded.

1 profileNot provided
Customisation softwareDifferent
Sources
Logitech G305 LIGHTSPEED

Manufacturer specification · G HUB is an optional download (internet required); advanced settings need it.

Logitech G305 LIGHTSPEED — manufacturer specificationsLogitech G305 — US black configuration
Logitech MX Ergo S Advanced Wireless Trackball

Manufacturer specification

Logitech UK — MX Ergo S product page and technical specifications
Logitech G HUBLogi Options+ (Windows and macOS): 6 customisable buttons, time-saving shortcuts and Smart Actions; Logitech Flow for copy and paste across multiple computers
Onboard memory
Sources
Logitech MX Ergo S Advanced Wireless Trackball

No source recorded.

YesNot provided
Listed packageDifferent
Sources
Logitech G305 LIGHTSPEED

Manufacturer specification · Includes one alkaline AA battery.

Logitech G305 LIGHTSPEED — manufacturer specificationsLogitech G305 — battery, receiver and button layout
G305 mouse; LIGHTSPEED USB receiver; one alkaline AA; documentationTrackball; Logi Bolt receiver; documentation (no cable)
Manufacturer host requirementsDifferent
Sources
Logitech G305 LIGHTSPEED

Manufacturer specification · Requires a USB 2.0 or later port; G HUB has its own current system requirements.

Logitech G305 LIGHTSPEED — manufacturer specificationsLogitech G305 — US black configuration
Logitech MX Ergo S Advanced Wireless Trackball

Manufacturer specification · Basic functions without drivers outside Windows and macOS.

Logitech UK — MX Ergo S product page and technical specificationsLogitech Support — Specification - MX Ergo S
USB port; Windows 7 or later; macOS 10.13 or later; ChromeOSBolt: Windows 10/11+, macOS 12+, Linux, ChromeOS; Bluetooth: also iPadOS 15+ and Android 12+
Multi-device pairing
Sources
Logitech G305 LIGHTSPEED

No source recorded.

Logitech MX Ergo S Advanced Wireless Trackball

Manufacturer specification · Logitech Flow support via Logi Options+.

Logitech UK — MX Ergo S product page and technical specifications
Not providedUp to 2 devices via Bluetooth or the included Logi Bolt receiver; switch with the Easy-Switch button
Click noise
Sources
Logitech G305 LIGHTSPEED

No source recorded.

Logitech MX Ergo S Advanced Wireless Trackball

Manufacturer specification · Logitech comparison with MX Ergo; no decibel figure is published.

Logitech UK — MX Ergo S product page and technical specifications
Not providedQuiet clicks: 80% quieter clicks than MX Ergo
Adjustable tilt
Sources
Logitech G305 LIGHTSPEED

No source recorded.

Logitech MX Ergo S Advanced Wireless Trackball

Manufacturer specification

Logitech UK — MX Ergo S product page and technical specifications
Not providedHinge adjustable between 0 and 20 degrees
Certifications
Sources
Logitech G305 LIGHTSPEED

No source recorded.

Logitech MX Ergo S Advanced Wireless Trackball

Manufacturer specification · Logitech says MX Ergo S is certified by ergonomists, with a 20-degree tilt angle that encourages a better forearm posture and reduces muscle strain in the forearm by 27%. Logitech does not name the certifying ergonomists or the basis of the 27% figure on these pages.

Logitech UK — MX Ergo S product page and technical specificationsLogitech US — MX Ergo S product page and technical specifications
Not providedCertified by ergonomists
Grip surface
Sources
Logitech G305 LIGHTSPEED

No source recorded.

Not providedSoft rubber grip on a sculpted body
Materials
Sources
Logitech G305 LIGHTSPEED

No source recorded.

Logitech MX Ergo S Advanced Wireless Trackball

Manufacturer specification · Logitech's UK product data give certified PCR plastic of 20% for the mouse in Graphite 910-007260, excluding packaging, printed wiring assembly, cables and receiver, and note that the percentage of recycled plastic may vary by colour; the US page gives the same 20% for its Graphite MX Ergo S. Logitech's support specification lists the materials used as plastic PCR ABS, PC, rubber and metal.

Logitech UK — MX Ergo S product page and technical specificationsLogitech US — MX Ergo S product page and technical specificationsLogitech Support — Specification - MX Ergo S
Not providedMade with recycled plastic
Show unverified (2)Not verified, not provided or conflicting for both products. Kept for completeness; never counted as a difference.
Specifications without verified values for either product
Main switch technology
Sources
Logitech G305 LIGHTSPEED

The manufacturer describes mechanical button tensioning, which does not establish the electrical switch actuation type. · Manufacturer specification · Primary-button tensioning is recorded separately. Electrical switch actuation and vendor remain unverified.

Logitech G305 LIGHTSPEED — manufacturer specificationsLogitech G305 — US black configuration
Logitech MX Ergo S Advanced Wireless Trackball

No source recorded.

Not listed by the manufacturerNot provided
Limited hardware warranty
Sources
Logitech G305 LIGHTSPEED

No source recorded.

Logitech MX Ergo S Advanced Wireless Trackball

Logitech UK lists a 2-year limited hardware warranty; Logitech US lists 1 year. Regional terms differ. · Manufacturer specification

Logitech UK — MX Ergo S product page and technical specificationsLogitech US — MX Ergo S product page and technical specifications
Not providedConflicting sources
First product manufacturer sourceSecond product manufacturer source
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