Logitech G305 LIGHTSPEED vs Logitech G403 HERO

Logitech G305 LIGHTSPEED — manufacturer specifications

Logitech G305 LIGHTSPEED2.4 GHz LIGHTSPEED wireless with USB receiver

Logitech G403 HEROWired USB

Sources

Logitech G305 LIGHTSPEED

Manufacturer specification

Logitech G403 HERO

Manufacturer specification

Check the exact configuration and source conditions for your use.

Hand orientation

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

Logitech G305 LIGHTSPEEDSymmetric shell; side buttons on the left only

Logitech G403 HERORight-hand control layout; asymmetric shell with left-side thumb buttons

Sources

Logitech G305 LIGHTSPEED

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

Logitech G403 HERO

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

Check the exact configuration and source conditions for your use.

Body length

Logitech G305 LIGHTSPEED — manufacturer specifications

Logitech G305 LIGHTSPEED116.6 mm

Logitech G403 HERO124 mm

Sources

Logitech G305 LIGHTSPEED

Manufacturer specification

Logitech G403 HERO

Manufacturer specification · Mouse body, length × width × height; cable excluded.

Check the exact configuration and source conditions for your use.

Lighting

Logitech G305 LIGHTSPEED — manufacturer specifications

Logitech G305 LIGHTSPEEDNo RGB lighting; status indicator only

Logitech G403 HERORGB

Sources

Logitech G305 LIGHTSPEED

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

Logitech G403 HERO

Manufacturer specification · G HUB supports game-, audio- and screen-driven RGB effects. Published lighting implementation: LIGHTSYNC RGB. Source-specific tooling, location, modes and effects remain qualified; more detailed wording does not establish another RGB product lacks that implementation.

Check the exact configuration and source conditions for your use.

Primary-button tensioning

Logitech G305 LIGHTSPEED — manufacturer specifications Logitech G305 — US black configuration

Logitech G305 LIGHTSPEEDPrimary-button tensioning system

Logitech G403 HEROMetal-spring primary-button tensioning system

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 G403 HERO

Manufacturer specification · Manufacturer-stated primary-button tensioning mechanism, separate from electrical actuation, measured click force, latency or reliability.

Check the exact configuration and source conditions for your use.

Listed package

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

Logitech G305 LIGHTSPEEDG305 mouse; LIGHTSPEED USB receiver; one alkaline AA; documentation

Logitech G403 HEROG403 mouse; optional 10 g weight; documentation

Sources

Logitech G305 LIGHTSPEED

Manufacturer specification · Includes one alkaline AA battery.

Logitech G403 HERO

Manufacturer specification · POWERPLAY hardware is not included; check the seller's listing.

Check the exact configuration and source conditions for your use.

Show 4 more verified differences

Maximum tracking resolution

Logitech G305 LIGHTSPEED — manufacturer specifications

Logitech G305 LIGHTSPEED12000 DPI

Logitech G403 HERO25600 DPI

Sources

Logitech G305 LIGHTSPEED

Manufacturer specification

Logitech G403 HERO

Manufacturer specification

Logitech G305 LIGHTSPEED — manufacturer specifications Logitech G305 — US black configuration

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

Minimum sensitivity

Logitech G305 LIGHTSPEED200 DPI

Logitech G403 HERO100 DPI

Sources

Logitech G305 LIGHTSPEED

Manufacturer specification

Logitech G403 HERO

Manufacturer specification · Tracking range starts at 100 DPI.

Logitech G305 — US black configuration

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

Published acceleration threshold

Logitech G305 LIGHTSPEED40 G

Logitech G403 HEROGreater than 40 G

Sources

Logitech G305 LIGHTSPEED

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

Logitech G403 HERO

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

Logitech G305 — US black configuration

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

Published tracking speed

Logitech G305 LIGHTSPEED400 IPS

Logitech G403 HEROGreater than 400 IPS

Sources

Logitech G305 LIGHTSPEED

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

Logitech G403 HERO

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

Logitech G305 LIGHTSPEED — manufacturer specifications Logitech G305 — US black configuration

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

Configuration & compatibility details (1)

Manufacturer host requirements

Logitech G305 LIGHTSPEEDUSB port; Windows 7 or later; macOS 10.13 or later; ChromeOS

Logitech G403 HEROUSB port; Windows 7 or later; macOS 10.11 or later

Sources

Logitech G305 LIGHTSPEED

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

Logitech G403 HERO

Manufacturer specification · G HUB has its own current system requirements.

Logitech G305 LIGHTSPEED — manufacturer specifications Logitech G305 — US black configuration

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

Missing or non-comparable evidence (20)

Main switch technology

Logitech G305 LIGHTSPEEDNot verified

Logitech G403 HERONot 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 G403 HERO

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

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 G403 HERONot verified

Sources

Logitech G305 LIGHTSPEED

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

Logitech G403 HERO

No source recorded for this side.

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

Sensor model / type

Logitech G305 LIGHTSPEEDHERO

Logitech G403 HEROHERO 25K

Sources

Logitech G305 LIGHTSPEED

Manufacturer specification · Logitech's sensor name.

Logitech G305 LIGHTSPEED — manufacturer specifications

Logitech G403 HERO

Manufacturer specification · Logitech's sensor name.

Logitech G305 LIGHTSPEED — manufacturer specifications Logitech G305 — battery, receiver and button layout Logitech G305 — US black configuration

One source states less detail or a rounded figure. This is not a verified difference; check the exact configuration.

Onboard profile capacity

Logitech G305 LIGHTSPEED1 profile

Logitech G403 HERONot verified

Sources

Logitech G305 LIGHTSPEED

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

Logitech G403 HERO

Logitech does not list this for the model. · Manufacturer specification · Logitech does not list a stored-profile count.

Logitech G305 LIGHTSPEED — manufacturer specifications Logitech G305 — battery, receiver and button layout Logitech G305 — US black configuration

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

Onboard memory

Logitech G305 LIGHTSPEEDYes

Logitech G403 HERONot verified

Sources

Logitech G305 LIGHTSPEED

Manufacturer specification · Stores one hardware profile on the mouse.

Logitech G403 HERO

No source recorded for this side.

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

Power source

Logitech G305 LIGHTSPEEDOne AA battery

Logitech G403 HERONot verified

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

Logitech G403 HERO

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 G403 HERONot verified

Sources

Logitech G305 LIGHTSPEED

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

Logitech G305 LIGHTSPEED — manufacturer specifications Logitech G305 — battery, receiver and button layout Logitech G305 — US black configuration

Logitech G403 HERO

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 G403 HERONot verified

Sources

Logitech G305 LIGHTSPEED

Manufacturer specification · Continuous use in performance mode.

Logitech G305 LIGHTSPEED — manufacturer specifications

Logitech G403 HERO

No source recorded for this side.

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

Cable length

Logitech G305 LIGHTSPEEDNot verified

Logitech G403 HERO2.1 m

Sources

Logitech G305 LIGHTSPEED

No source recorded for this side.

Logitech G403 HERO

Manufacturer specification

Logitech G305 LIGHTSPEED — manufacturer specifications Logitech G305 — battery, receiver and button layout Logitech G305 — US black configuration

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 G403 HERONot verified

Sources

Logitech G305 LIGHTSPEED

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

Logitech G403 HERO

No source recorded for this side.

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 G403 HERONot verified

Sources

Logitech G305 LIGHTSPEED

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

Logitech G305 — battery, receiver and button layout Logitech G305 — US black configuration

Logitech G403 HERO

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 G403 HERONot verified

Sources

Logitech G305 LIGHTSPEED

Manufacturer specification · Logitech rates the feet for 250 km.

Logitech G305 — US black configuration

Logitech G403 HERO

No source recorded for this side.

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

Optional additional weight

Logitech G305 LIGHTSPEEDNot verified

Logitech G403 HERO10 g

Sources

Logitech G305 LIGHTSPEED

No source recorded for this side.

Logitech G403 HERO

Manufacturer specification · Optional extra weight, added to the listed mouse weight.

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

Grip material

Logitech G305 LIGHTSPEEDNot verified

Logitech G403 HERODual-injected rubber side grips

Sources

Logitech G305 LIGHTSPEED

No source recorded for this side.

Logitech G403 HERO

Manufacturer specification

Logitech G305 LIGHTSPEED — manufacturer specifications Logitech G305 — US black configuration

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

Rated primary-button lifecycle

Logitech G305 LIGHTSPEED10 million clicks

Logitech G403 HERONot verified

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 G403 HERO

No source recorded for this side.

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 G403 HERONot verified

Sources

Logitech G305 LIGHTSPEED

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

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

Logitech G403 HERO

No source recorded for this side.

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

Body width

Logitech G305 LIGHTSPEEDConflicting evidence

Logitech G403 HERO68 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 specifications Logitech G305 — US black configuration

Logitech G403 HERO

Manufacturer specification · Overall width, not grip width.

Logitech G305 LIGHTSPEED — manufacturer specifications Logitech 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 G403 HERO124 × 68 × 43 mm (length × width × height)

Sources

Logitech G305 LIGHTSPEED

Logitech G403 HERO

Manufacturer specification · Mouse body, length × width × height; cable excluded.

Logitech G305 LIGHTSPEED — manufacturer specifications

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

Weight

Logitech G305 LIGHTSPEED99 g

Logitech G403 HERO87.3 g

Sources

Logitech G305 LIGHTSPEED

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

Logitech G403 HERO

Manufacturer specification · Before the optional 10 g weight.

Logitech G305 LIGHTSPEED — manufacturer specifications

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 G403 HERONot verified

Sources

Logitech G305 LIGHTSPEED

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

Logitech G403 HERO

No source recorded for this side.

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

4 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

Logitech rates the AA battery at up to 250 hours of continuous use in performance mode, or up to nine months in Endurance mode, and the USB receiver stores inside the mouse.
Manufacturer source Manufacturer source Manufacturer source
The HERO sensor offers five on-the-fly DPI settings, and G HUB saves one onboard profile so settings travel with the mouse.
Manufacturer source Manufacturer source Manufacturer source

What to check

There is no RGB lighting or wheel tilt, the thumb buttons are on the left side only, and Endurance mode reduces tracking performance.
Manufacturer source Manufacturer source Manufacturer source

Logitech G403 HERO

What it brings

The wired G403 covers 100–25,600 DPI at 1000 Hz with its HERO 25K sensor, and metal springs tension the left and right buttons under a shell with rubber side grips.
Manufacturer source

What to check

The 2.1 m cable is fixed, and the shell is shaped for right-handed use only.
Manufacturer source

COMPARE THE DETAILS

Full specifications

How we verify

Differences only

35 of 35 specifications Sources in each row

Source-backed specifications for Logitech G305 LIGHTSPEED and Logitech G403 HERO
Specification	Logitech G305 LIGHTSPEED	Logitech G403 HERO

WeightDifferent Sources Logitech G305 LIGHTSPEED Manufacturer specification · With one AA battery; 75 g without it. Logitech G305 LIGHTSPEED — manufacturer specifications Logitech G403 HERO Manufacturer specification · Before the optional 10 g weight. Logitech G403 HERO — manufacturer specifications	99 g	87.3 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 specifications Logitech G305 — US black configuration Logitech G403 HERO Manufacturer specification · Mouse body, length × width × height; cable excluded. Logitech G403 HERO — manufacturer specifications	Conflicting sources	124 × 68 × 43 mm (length × width × height)
Body lengthDifferent Sources Logitech G305 LIGHTSPEED Manufacturer specification Logitech G305 LIGHTSPEED — manufacturer specifications Logitech G403 HERO Manufacturer specification · Mouse body, length × width × height; cable excluded. Logitech G403 HERO — manufacturer specifications	116.6 mm	124 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 specifications Logitech G305 — US black configuration Logitech G403 HERO Manufacturer specification · Overall width, not grip width. Logitech G403 HERO — manufacturer specifications	Conflicting sources	68 mm
Hand orientationDifferent Sources Logitech G305 LIGHTSPEED Manufacturer specification · Control layout from the manufacturer's button diagram and product views. Logitech G305 LIGHTSPEED — manufacturer specifications Logitech G305 — battery, receiver and button layout Logitech G403 HERO Manufacturer specification · Control layout from the manufacturer's product views. Logitech G403 HERO — manufacturer specifications	Symmetric shell; side buttons on the left only	Right-hand control layout; asymmetric shell with left-side thumb buttons
Weight without battery Sources Logitech G305 LIGHTSPEED Manufacturer specification · Without the AA battery; 99 g ready to use. Logitech G305 LIGHTSPEED — manufacturer specifications Logitech G403 HERO No source recorded.	75 g	Not provided
Glide feet Sources Logitech G305 LIGHTSPEED Manufacturer specification · Logitech rates the feet for 250 km. Logitech G305 — US black configuration Logitech G403 HERO No source recorded.	PTFE	Not provided
Optional additional weight Sources Logitech G305 LIGHTSPEED No source recorded. Logitech G403 HERO Manufacturer specification · Optional extra weight, added to the listed mouse weight. Logitech G403 HERO — manufacturer specifications	Not provided	10 g
Grip material Sources Logitech G305 LIGHTSPEED No source recorded. Logitech G403 HERO Manufacturer specification Logitech G403 HERO — manufacturer specifications	Not provided	Dual-injected rubber side grips

Sensor model / type Sources Logitech G305 LIGHTSPEED Manufacturer specification · Logitech's sensor name. Logitech G305 LIGHTSPEED — manufacturer specifications Logitech G403 HERO Manufacturer specification · Logitech's sensor name. Logitech G403 HERO — manufacturer specifications	HERO	HERO 25K
Maximum tracking resolutionDifferent Sources Logitech G305 LIGHTSPEED Manufacturer specification Logitech G305 LIGHTSPEED — manufacturer specifications Logitech G403 HERO Manufacturer specification Logitech G403 HERO — manufacturer specifications	12000 DPI	25600 DPI
Maximum report rate Sources Logitech G305 LIGHTSPEED Manufacturer specification · 1 ms report interval. Logitech G305 — battery, receiver and button layout Logitech G305 — US black configuration Logitech G403 HERO Manufacturer specification · 1 ms report interval. Logitech G403 HERO — manufacturer specifications	1000 Hz	1000 Hz
Published tracking speedDifferent Sources Logitech G305 LIGHTSPEED Manufacturer specification · Tested by Logitech on a G240 mouse pad. Logitech G305 — US black configuration Logitech G403 HERO Manufacturer specification · Tested by Logitech on a G240 mouse pad. Logitech G403 HERO — manufacturer specifications	400 IPS	Greater than 400 IPS
Published acceleration thresholdDifferent Sources Logitech G305 LIGHTSPEED Manufacturer specification · Tested by Logitech on a G240 mouse pad. Logitech G305 — US black configuration Logitech G403 HERO Manufacturer specification · Tested by Logitech on a G240 mouse pad. Logitech G403 HERO — manufacturer specifications	40 G	Greater than 40 G
Published sensor processing Sources Logitech G305 LIGHTSPEED Manufacturer specification Logitech G305 — US black configuration Logitech G403 HERO Manufacturer specification Logitech G403 HERO — manufacturer specifications	Zero smoothing, acceleration and filtering	Zero smoothing, acceleration and filtering
Minimum sensitivityDifferent Sources Logitech G305 LIGHTSPEED Manufacturer specification Logitech G305 LIGHTSPEED — manufacturer specifications Logitech G305 — US black configuration Logitech G403 HERO Manufacturer specification · Tracking range starts at 100 DPI. Logitech G403 HERO — manufacturer specifications	200 DPI	100 DPI
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 layout Logitech G305 — US black configuration Logitech G403 HERO No source recorded.	5 settings	Not provided

Listed controls 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 specifications Logitech G305 — battery, receiver and button layout Logitech G403 HERO Manufacturer specification · Programmable in G HUB. Logitech G403 HERO — manufacturer specifications	6	6
Scroll controls Sources Logitech G305 LIGHTSPEED Manufacturer specification · Logitech's support table says no tilt. Logitech G305 LIGHTSPEED — manufacturer specifications Logitech G305 — battery, receiver and button layout Logitech G403 HERO No source recorded.	Wheel scrolling and middle click; no left/right tilt	Not provided
Primary-button tensioningDifferent 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 specifications Logitech G305 — US black configuration Logitech G403 HERO Manufacturer specification · Manufacturer-stated primary-button tensioning mechanism, separate from electrical actuation, measured click force, latency or reliability. Logitech G403 HERO — manufacturer specifications	Primary-button tensioning system	Metal-spring primary-button tensioning system
Rated primary-button lifecycle 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 specifications Logitech G305 — US black configuration Logitech G403 HERO No source recorded.	10 million clicks	Not provided

ConnectionsDifferent Sources Logitech G305 LIGHTSPEED Manufacturer specification Logitech G305 LIGHTSPEED — manufacturer specifications Logitech G403 HERO Manufacturer specification Logitech G403 HERO — manufacturer specifications	2.4 GHz LIGHTSPEED wireless with USB receiver	Wired USB
Power source 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 Logitech G403 HERO No source recorded.	One AA battery	Not provided
Claimed performance-mode runtime Sources Logitech G305 LIGHTSPEED Manufacturer specification · Continuous use in performance mode. Logitech G305 LIGHTSPEED — manufacturer specifications Logitech G403 HERO No source recorded.	250 hours	Not provided
Claimed Endurance-mode runtime Sources Logitech G305 LIGHTSPEED Manufacturer specification · Endurance mode, standard use; Endurance mode reduces tracking performance. Logitech G305 LIGHTSPEED — manufacturer specifications Logitech G305 — battery, receiver and button layout Logitech G305 — US black configuration Logitech G403 HERO No source recorded.	Up to nine months of standard use	Not provided
Receiver storage Sources Logitech G305 LIGHTSPEED Manufacturer specification · The USB receiver stores under the battery cover. Logitech G305 LIGHTSPEED — manufacturer specifications Logitech G305 — battery, receiver and button layout Logitech G305 — US black configuration Logitech G403 HERO No source recorded.	Inside the mouse battery compartment	Not 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 specifications Logitech G305 — battery, receiver and button layout Logitech G403 HERO No source recorded.	Up to 10 m	Not provided
Cable length Sources Logitech G305 LIGHTSPEED No source recorded. Logitech G403 HERO Manufacturer specification Logitech G403 HERO — manufacturer specifications	Not provided	2.1 m

LightingDifferent Sources Logitech G305 LIGHTSPEED Manufacturer specification · The single status LED shows battery, DPI and mode. Logitech G305 LIGHTSPEED — manufacturer specifications Logitech G403 HERO Manufacturer specification · G HUB supports game-, audio- and screen-driven RGB effects. Published lighting implementation: LIGHTSYNC RGB. Source-specific tooling, location, modes and effects remain qualified; more detailed wording does not establish another RGB product lacks that implementation. Logitech G403 HERO — manufacturer specifications	No RGB lighting; status indicator only	RGB
Onboard profile capacity Sources Logitech G305 LIGHTSPEED Manufacturer specification · One hardware profile, separate from the five DPI settings. Logitech G305 LIGHTSPEED — manufacturer specifications Logitech G305 — battery, receiver and button layout Logitech G305 — US black configuration Logitech G403 HERO Logitech does not list this for the model. · Manufacturer specification · Logitech does not list a stored-profile count. Logitech G403 HERO — manufacturer specifications	1 profile	Not provided
Customisation software Sources Logitech G305 LIGHTSPEED Manufacturer specification · G HUB is an optional download (internet required); advanced settings need it. Logitech G305 LIGHTSPEED — manufacturer specifications Logitech G305 — US black configuration Logitech G403 HERO Manufacturer specification · G HUB is an optional download (internet required); advanced settings need it. Logitech G403 HERO — manufacturer specifications	Logitech G HUB	Logitech G HUB
Onboard memory Sources Logitech G305 LIGHTSPEED Manufacturer specification · Stores one hardware profile on the mouse. Logitech G305 LIGHTSPEED — manufacturer specifications Logitech G305 — battery, receiver and button layout Logitech G305 — US black configuration Logitech G403 HERO No source recorded.	Yes	Not provided

Listed packageDifferent Sources Logitech G305 LIGHTSPEED Manufacturer specification · Includes one alkaline AA battery. Logitech G305 LIGHTSPEED — manufacturer specifications Logitech G305 — battery, receiver and button layout Logitech G403 HERO Manufacturer specification · POWERPLAY hardware is not included; check the seller's listing. Logitech G403 HERO — manufacturer specifications	G305 mouse; LIGHTSPEED USB receiver; one alkaline AA; documentation	G403 mouse; optional 10 g weight; documentation
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 specifications Logitech G305 — US black configuration Logitech G403 HERO Manufacturer specification · G HUB has its own current system requirements. Logitech G403 HERO — manufacturer specifications	USB port; Windows 7 or later; macOS 10.13 or later; ChromeOS	USB port; Windows 7 or later; macOS 10.11 or later

Show unverified (1)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 specifications Logitech G305 — US black configuration Logitech G403 HERO 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 G403 HERO — manufacturer specifications	Not listed by the manufacturer	Not listed by the manufacturer

First product manufacturer source Second product manufacturer source

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