Logitech G502 X PLUS vs Logitech Signature Comfort Plus M850 L

Logitech G502 X PLUS — manufacturer specifications Logitech G502 X PLUS / LIGHTSPEED — original manufacturer setup guide

Logitech G502 X PLUSLIGHTSPEED wireless USB receiver; wired USB-C data and charging cable

Logitech Signature Comfort Plus M850 LBluetooth Low Energy; Logi Bolt USB receiver compatible (not included); up to 3 paired devices

Sources

Logitech G502 X PLUS

Logitech Signature Comfort Plus M850 L

Manufacturer specification · Not compatible with other Logitech receivers; not Unifying-ready.

Logitech UK — Signature Comfort Plus M850 L product page and technical specifications

Check the exact configuration and source conditions for your use.

Sensor model / type

Logitech G502 X PLUSHERO 25K

Logitech Signature Comfort Plus M850 LPluto ONE (Logitech Advanced Optical tracking)

Sources

Logitech G502 X PLUS

Manufacturer specification · Logitech's sensor name.

Logitech UK — Signature Comfort Plus M850 L product page and technical specifications

Logitech Signature Comfort Plus M850 L

Manufacturer specification

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

Listed controls

Logitech G502 X PLUS13

Logitech Signature Comfort Plus M850 L6

Sources

Logitech G502 X PLUS

Manufacturer specification · Includes wheel tilt actions; not thirteen physical buttons.

Logitech UK — Signature Comfort Plus M850 L product page and technical specifications

Logitech Signature Comfort Plus M850 L

Manufacturer specification · Left/right click, scroll-wheel middle click, side buttons and DPI button; 4 programmable.

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.

Body length

Logitech G502 X PLUS131.4 mm

Logitech Signature Comfort Plus M850 L121.8 mm

Sources

Logitech G502 X PLUS

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

Logitech UK — Signature Comfort Plus M850 L product page and technical specifications

Logitech Signature Comfort Plus M850 L

Manufacturer specification

Check the exact configuration and source conditions for your use.

Scroll controls

Logitech G502 X PLUSFree-spin or ratcheted scrolling; left/right wheel tilt

Logitech Signature Comfort Plus M850 LSmartWheel scrolling

Sources

Logitech G502 X PLUS

Manufacturer specification · The tilt directions are included in the control count.

Logitech UK — Signature Comfort Plus M850 L product page and technical specifications

Logitech Signature Comfort Plus M850 L

Manufacturer specification · Original manufacturer description: SmartWheel; virtual horizontal scroll; no thumb wheel. Shared SmartWheel availability is comparable; unlisted counterpart horizontal/thumb-wheel details remain unknown.

Check the exact configuration and source conditions for your use.

Customisation software

Logitech G502 X PLUSLogitech G HUB

Logitech Signature Comfort Plus M850 LLogi Options+

Sources

Logitech G502 X PLUS

Manufacturer specification · G HUB is an optional download (internet required).

Logitech UK — Signature Comfort Plus M850 L product page and technical specifications

Logitech Signature Comfort Plus M850 L

Manufacturer specification · Original exact supported software description: Logi Options+; Logi Tune. The exact source additionally names Logi Tune; that positive is retained here. The predecessor source does not resolve Tune support, so omission cannot establish a missing app or capability.

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

Show 6 more verified differences

Battery life and conditions

Logitech G502 X PLUSUp to 130 hours with lighting off; up to 37 hours with RGB on

Logitech Signature Comfort Plus M850 L1 × AA alkaline (included, replaceable); up to 24 months over Bolt or Bluetooth

Sources

Logitech G502 X PLUS

Manufacturer specification · Logitech's constant-motion estimate; runtime varies with settings and use.

Logitech UK — Signature Comfort Plus M850 L product page and technical specifications

Logitech Signature Comfort Plus M850 L

Manufacturer specification · Actual battery life varies by usage.

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

Listed package

Logitech G502 X PLUSMouse; DPI-shift cover; USB-C charging cable; LIGHTSPEED USB-A receiver; USB extension adapter; documentation

Logitech Signature Comfort Plus M850 LMouse with 1 × AA battery; user documentation

Sources

Logitech G502 X PLUS

Manufacturer specification · No POWERPLAY mat included; check the seller's listing.

Logitech UK — Signature Comfort Plus M850 L product page and technical specifications

Logitech Signature Comfort Plus M850 L

Manufacturer specification · No receiver included.

Check the exact configuration and source conditions for your use.

Maximum tracking resolution

Logitech G502 X PLUS25600 DPI

Logitech Signature Comfort Plus M850 L4000 DPI

Sources

Logitech G502 X PLUS

Manufacturer specification · Tracking range 100–25,600 DPI.

Logitech UK — Signature Comfort Plus M850 L product page and technical specifications

Logitech Signature Comfort Plus M850 L

Manufacturer specification

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 G502 X PLUS100 DPI

Logitech Signature Comfort Plus M850 L400 DPI

Sources

Logitech G502 X PLUS

Manufacturer specification · Tracking range 100–25,600 DPI.

Logitech UK — Signature Comfort Plus M850 L product page and technical specifications

Logitech Signature Comfort Plus M850 L

Manufacturer specification · Adjustable in 100 DPI increments; nominal 1,000 DPI.

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

Body width

Logitech G502 X PLUS79.2 mm

Logitech Signature Comfort Plus M850 L74.3 mm

Sources

Logitech G502 X PLUS

Manufacturer specification · Overall width, not grip width.

Logitech UK — Signature Comfort Plus M850 L product page and technical specifications

Logitech Signature Comfort Plus M850 L

Manufacturer specification

A size or weight trade-off; it does not establish the better product.

Dimensions

Logitech G502 X PLUS131.4 × 79.2 × 41.1 mm (length × width × height)

Logitech Signature Comfort Plus M850 L121.8 × 74.3 × 44.2 mm (length × width × height)

Sources

Logitech G502 X PLUS

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

Logitech UK — Signature Comfort Plus M850 L product page and technical specifications

Logitech Signature Comfort Plus M850 L

Manufacturer specification · Logitech labels these Height 121.8 mm, Width 74.3 mm, Depth 44.2 mm; the first is the front-to-back length in its top-view convention.

A size or weight trade-off; it does not establish the better product.

Configuration & compatibility details (2)

Hand orientation

Logitech G502 X PLUSRight-hand control layout; left-side thumbrest and thumb controls

Logitech Signature Comfort Plus M850 LRight

Sources

Logitech G502 X PLUS

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

Logitech UK — Signature Comfort Plus M850 L product page and technical specifications

Logitech Signature Comfort Plus M850 L

Manufacturer specification · Sculpted right-hand shape with palm cushion and rubber side grips.

Both sources describe right-hand controls. Their wording does not establish a different hand orientation or identical shape and comfort.

Manufacturer host requirements

Logitech G502 X PLUSUSB port; Windows 10 or later; macOS 10.14 or later

Logitech Signature Comfort Plus M850 LBluetooth Low Energy required: Windows 10, 11 or later, macOS 12 or later, Linux, ChromeOS, iPadOS 15 or later, Android 12 or later

Sources

Logitech G502 X PLUS

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

Logitech UK — Signature Comfort Plus M850 L product page and technical specifications

Logitech Signature Comfort Plus M850 L

Manufacturer specification · Device basic functions are supported without software on systems other than Windows and macOS (Linux, ChromeOS, iPadOS and Android).

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

Missing or non-comparable evidence (22)

Main switch technology

Logitech G502 X PLUSLIGHTFORCE hybrid optical-mechanical

Logitech Signature Comfort Plus M850 LNot verified

Sources

Logitech G502 X PLUS

Manufacturer specification · Optical actuation with mechanical click feel.

Logitech Signature Comfort Plus M850 L

No source recorded for this side.

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

DPI-shift control

Logitech G502 X PLUSReversible removable thumb control; blank cover included

Logitech Signature Comfort Plus M850 LNot verified

Sources

Logitech G502 X PLUS

Manufacturer specification · The control can be reversed or replaced with the included cover.

Logitech Signature Comfort Plus M850 L

No source recorded for this side.

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

Polling rate

Logitech G502 X PLUSNot verified

Logitech Signature Comfort Plus M850 LNot verified

Sources

Logitech G502 X PLUS

Logitech does not list this for the model. · Manufacturer specification · Logitech does not list a report rate for this model.

Logitech UK — Signature Comfort Plus M850 L product page and technical specifications

Logitech Signature Comfort Plus M850 L

Logitech does not list a report rate for this model. · Manufacturer specification

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

Onboard profile capacity

Logitech G502 X PLUS5 profiles

Logitech Signature Comfort Plus M850 LNot verified

Sources

Logitech G502 X PLUS

Manufacturer specification · Two profiles by default; up to five with Logitech G HUB.

Logitech Signature Comfort Plus M850 L

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 G502 X PLUSYes

Logitech Signature Comfort Plus M850 LNot verified

Sources

Logitech G502 X PLUS

Manufacturer specification · Stores settings on the mouse; up to five profiles with Logitech G HUB.

Logitech Signature Comfort Plus M850 L

No source recorded for this side.

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

Wireless charging support

Logitech G502 X PLUSLogitech POWERPLAY

Logitech Signature Comfort Plus M850 LNot verified

Sources

Logitech G502 X PLUS

Manufacturer specification · Needs a POWERPLAY charging mat, sold separately.

Logitech Signature Comfort Plus M850 L

No source recorded for this side.

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

Lighting

Logitech G502 X PLUSRGB

Logitech Signature Comfort Plus M850 LNot verified

Sources

Logitech G502 X PLUS

Manufacturer specification · Eight-LED LIGHTSYNC array; G HUB can dim it during play. Published lighting implementation: Eight RGB zones. Source-specific tooling, location, modes and effects remain qualified; more detailed wording does not establish another RGB product lacks that implementation.

Logitech Signature Comfort Plus M850 L

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 G502 X PLUSNot verified

Logitech Signature Comfort Plus M850 LNot verified

Sources

Logitech G502 X PLUS

Logitech does not list this for the model. · Manufacturer specification · Logitech does not list the cable length.

Logitech UK — Signature Comfort Plus M850 L product page and technical specifications

Logitech Signature Comfort Plus M850 L

No source recorded for this side.

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

Certifications

Logitech G502 X PLUSNot verified

Logitech Signature Comfort Plus M850 LCertified for WWCB; Engineered for Intel Evo laptops

Sources

Logitech G502 X PLUS

No source recorded for this side.

Logitech Signature Comfort Plus M850 L

Manufacturer specification

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

Charging connector

Logitech G502 X PLUSUSB-C

Logitech Signature Comfort Plus M850 LNot verified

Sources

Logitech G502 X PLUS

Manufacturer specification · USB-C charging cable included.

Logitech Signature Comfort Plus M850 L

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 G502 X PLUSLow-friction PTFE

Logitech Signature Comfort Plus M850 LNot verified

Sources

Logitech G502 X PLUS

Manufacturer specification

Logitech Signature Comfort Plus M850 L

No source recorded for this side.

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

RGB lighting zones

Logitech G502 X PLUS8

Logitech Signature Comfort Plus M850 LNot verified

Sources

Logitech G502 X PLUS

Manufacturer specification · The exact product source explicitly states 8 configurable RGB zones. Eight-LED LIGHTSYNC array; G HUB can dim it during play. Published lighting implementation: Eight RGB zones. Source-specific tooling, location, modes and effects remain qualified; more detailed wording does not establish another RGB product lacks that implementation. Status indicators are not counted as additional configurable zones.

Logitech UK — Signature Comfort Plus M850 L product page and technical specifications

Logitech Signature Comfort Plus M850 L

No source recorded for this side.

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

Materials

Logitech G502 X PLUSNot verified

Logitech Signature Comfort Plus M850 LMade with recycled plastic

Sources

Logitech G502 X PLUS

No source recorded for this side.

Logitech Signature Comfort Plus M850 L

Manufacturer specification · Logitech gives no recycled-content percentage on this page.

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

POWERPLAY 2 compatibility

Logitech G502 X PLUSYes

Logitech Signature Comfort Plus M850 LNot verified

Sources

Logitech G502 X PLUS

Manufacturer specification · On Logitech's POWERPLAY 2 compatible-mice list; the charging system is sold separately.

Logitech POWERPLAY 2 — exact compatible mouse list

Logitech Signature Comfort Plus M850 L

No source recorded for this side.

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

Click noise

Logitech G502 X PLUSNot verified

Logitech Signature Comfort Plus M850 LQuiet clicks

Sources

Logitech G502 X PLUS

No source recorded for this side.

Logitech Signature Comfort Plus M850 L

Manufacturer specification · Logitech publishes no decibel or percentage figure. Original manufacturer description: Quiet clicks (Logitech: less noisy operation). These own claims do not establish a measured noise advantage over another quiet-click mouse.

Logitech UK — Signature Comfort Plus M850 L product page and technical specifications

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

Published sensor processing

Logitech G502 X PLUSZero smoothing, acceleration and filtering

Logitech Signature Comfort Plus M850 LNot verified

Sources

Logitech G502 X PLUS

Manufacturer specification

Logitech Signature Comfort Plus M850 L

No source recorded for this side.

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

Published acceleration threshold

Logitech G502 X PLUSGreater than 40 G

Logitech Signature Comfort Plus M850 LNot verified

Sources

Logitech G502 X PLUS

Manufacturer specification

Logitech Signature Comfort Plus M850 L

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 G502 X PLUSGreater than 400 IPS

Logitech Signature Comfort Plus M850 LNot verified

Sources

Logitech G502 X PLUS

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

Logitech UK — Signature Comfort Plus M850 L product page and technical specifications Logitech US — Signature Comfort Plus M850 L product page and technical specifications

Logitech Signature Comfort Plus M850 L

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 G502 X PLUSNot verified

Logitech Signature Comfort Plus M850 LConflicting evidence

Sources

Logitech G502 X PLUS

No source recorded for this side.

Logitech Signature Comfort Plus M850 L

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

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

Wireless range

Logitech G502 X PLUSNot verified

Logitech Signature Comfort Plus M850 L10 m

Sources

Logitech G502 X PLUS

No source recorded for this side.

Logitech Signature Comfort Plus M850 L

Manufacturer specification

Logitech UK — Signature Comfort Plus M850 L product page and technical specifications

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

Weight

Logitech G502 X PLUS106 g

Logitech Signature Comfort Plus M850 L107.9 g

Sources

Logitech G502 X PLUS

Manufacturer specification · Manufacturer-listed mouse weight.

Logitech UK — Signature Comfort Plus M850 L product page and technical specifications

Logitech Signature Comfort Plus M850 L

Manufacturer specification · With the AA battery; receiver not included. 82.9 g without battery.

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 G502 X PLUSNot verified

Logitech Signature Comfort Plus M850 L82.9 g

Sources

Logitech G502 X PLUS

No source recorded for this side.

Logitech Signature Comfort Plus M850 L

Manufacturer specification

Logitech UK — Signature Comfort Plus M850 L product page and technical specifications

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 G502 X PLUS

What it brings

The HERO 25K sensor tracks up to 25,600 DPI, and LIGHTFORCE hybrid switches combine optical actuation with a mechanical click feel.
Manufacturer source
Up to five onboard profiles, a reversible or removable DPI-shift thumb control and a free-spin or ratcheted wheel with left/right tilt give plenty of ways to set it up.
Manufacturer source

What to check

It weighs 106 g, and battery life drops from up to 130 hours with lighting off to 37 hours with RGB always on. The POWERPLAY charging mat is sold separately.
Manufacturer source

Logitech Signature Comfort Plus M850 L

What it brings

Right-hand sculpted shape with a palm cushion, thumb rest and rubber side grips, measuring 121.8 × 74.3 mm.
Manufacturer source
Six buttons, including side buttons and a DPI button; four are programmable in Logi Options+ or Logi Tune.
Manufacturer source
One included AA battery rated for up to 24 months, and Easy-Switch pairing with up to three devices.
Manufacturer source
Quiet clicks for less noisy operation, which Logitech positions for shared or flexible workspaces.
Manufacturer source

What to check

No receiver in the box: without Bluetooth you need a separately bought Logi Bolt receiver, and other Logitech USB receivers are not supported.
Manufacturer source
No thumb wheel (horizontal scrolling is virtual), and sensitivity tops out at 4,000 DPI.
Manufacturer source
Right-handed only; Logitech does not publish a report rate.
Manufacturer source

COMPARE THE DETAILS

Full specifications

How we verify

Differences only

36 of 36 specifications Sources in each row

Source-backed specifications for Logitech G502 X PLUS and Logitech Signature Comfort Plus M850 L
Specification	Logitech G502 X PLUS	Logitech Signature Comfort Plus M850 L

WeightDifferent Sources Logitech G502 X PLUS Manufacturer specification · Manufacturer-listed mouse weight. Logitech G502 X PLUS — manufacturer specifications Logitech Signature Comfort Plus M850 L Manufacturer specification · With the AA battery; receiver not included. 82.9 g without battery. Logitech UK — Signature Comfort Plus M850 L product page and technical specifications	106 g	107.9 g
DimensionsDifferent Sources Logitech G502 X PLUS Manufacturer specification · Mouse body, length × width × height; cable excluded. Logitech G502 X PLUS — manufacturer specifications Logitech Signature Comfort Plus M850 L Manufacturer specification · Logitech labels these Height 121.8 mm, Width 74.3 mm, Depth 44.2 mm; the first is the front-to-back length in its top-view convention. Logitech UK — Signature Comfort Plus M850 L product page and technical specifications	131.4 × 79.2 × 41.1 mm (length × width × height)	121.8 × 74.3 × 44.2 mm (length × width × height)
Body lengthDifferent Sources Logitech G502 X PLUS Manufacturer specification · Mouse body, length × width × height; cable excluded. Logitech G502 X PLUS — manufacturer specifications Logitech Signature Comfort Plus M850 L Manufacturer specification Logitech UK — Signature Comfort Plus M850 L product page and technical specifications	131.4 mm	121.8 mm
Body widthDifferent Sources Logitech G502 X PLUS Manufacturer specification · Overall width, not grip width. Logitech G502 X PLUS — manufacturer specifications Logitech Signature Comfort Plus M850 L Manufacturer specification Logitech UK — Signature Comfort Plus M850 L product page and technical specifications	79.2 mm	74.3 mm
Hand orientationDifferent Sources Logitech G502 X PLUS Manufacturer specification · Control layout from the manufacturer's product views. Logitech G502 X PLUS — manufacturer specifications Logitech Signature Comfort Plus M850 L Manufacturer specification · Sculpted right-hand shape with palm cushion and rubber side grips. Logitech UK — Signature Comfort Plus M850 L product page and technical specifications	Right-hand control layout; left-side thumbrest and thumb controls	Right
Glide feet Sources Logitech G502 X PLUS Manufacturer specification Logitech G502 X PLUS — manufacturer specifications Logitech Signature Comfort Plus M850 L No source recorded.	Low-friction PTFE	Not provided
Weight without battery Sources Logitech G502 X PLUS No source recorded. Logitech Signature Comfort Plus M850 L Manufacturer specification Logitech UK — Signature Comfort Plus M850 L product page and technical specifications	Not provided	82.9 g

Sensor model / typeDifferent Sources Logitech G502 X PLUS Manufacturer specification · Logitech's sensor name. Logitech G502 X PLUS — manufacturer specifications Logitech Signature Comfort Plus M850 L Manufacturer specification Logitech UK — Signature Comfort Plus M850 L product page and technical specifications	HERO 25K	Pluto ONE (Logitech Advanced Optical tracking)
Minimum sensitivityDifferent Sources Logitech G502 X PLUS Manufacturer specification · Tracking range 100–25,600 DPI. Logitech G502 X PLUS — manufacturer specifications Logitech Signature Comfort Plus M850 L Manufacturer specification · Adjustable in 100 DPI increments; nominal 1,000 DPI. Logitech UK — Signature Comfort Plus M850 L product page and technical specifications	100 DPI	400 DPI
Maximum tracking resolutionDifferent Sources Logitech G502 X PLUS Manufacturer specification · Tracking range 100–25,600 DPI. Logitech G502 X PLUS — manufacturer specifications Logitech Signature Comfort Plus M850 L Manufacturer specification Logitech UK — Signature Comfort Plus M850 L product page and technical specifications	25600 DPI	4000 DPI
DPI-shift control Sources Logitech G502 X PLUS Manufacturer specification · The control can be reversed or replaced with the included cover. Logitech G502 X PLUS — manufacturer specifications Logitech Signature Comfort Plus M850 L No source recorded.	Reversible removable thumb control; blank cover included	Not provided
Published tracking speed Sources Logitech G502 X PLUS Manufacturer specification · Tested by Logitech on a G240 mouse pad. Logitech G502 X PLUS — manufacturer specifications Logitech Signature Comfort Plus M850 L No source recorded.	Greater than 400 IPS	Not provided
Published acceleration threshold Sources Logitech G502 X PLUS Manufacturer specification Logitech G502 X PLUS — manufacturer specifications Logitech Signature Comfort Plus M850 L No source recorded.	Greater than 40 G	Not provided
Published sensor processing Sources Logitech G502 X PLUS Manufacturer specification Logitech G502 X PLUS — manufacturer specifications Logitech Signature Comfort Plus M850 L No source recorded.	Zero smoothing, acceleration and filtering	Not provided

Listed controlsDifferent Sources Logitech G502 X PLUS Manufacturer specification · Includes wheel tilt actions; not thirteen physical buttons. Logitech G502 X PLUS — manufacturer specifications Logitech Signature Comfort Plus M850 L Manufacturer specification · Left/right click, scroll-wheel middle click, side buttons and DPI button; 4 programmable. Logitech UK — Signature Comfort Plus M850 L product page and technical specifications	13	6
Main switch technology Sources Logitech G502 X PLUS Manufacturer specification · Optical actuation with mechanical click feel. Logitech G502 X PLUS — manufacturer specifications Logitech Signature Comfort Plus M850 L No source recorded.	LIGHTFORCE hybrid optical-mechanical	Not provided
Scroll controlsDifferent Sources Logitech G502 X PLUS Manufacturer specification · The tilt directions are included in the control count. Logitech G502 X PLUS — manufacturer specifications Logitech Signature Comfort Plus M850 L Manufacturer specification · Original manufacturer description: SmartWheel; virtual horizontal scroll; no thumb wheel. Shared SmartWheel availability is comparable; unlisted counterpart horizontal/thumb-wheel details remain unknown. Logitech UK — Signature Comfort Plus M850 L product page and technical specifications	Free-spin or ratcheted scrolling; left/right wheel tilt	SmartWheel scrolling

ConnectionsDifferent Sources Logitech G502 X PLUS Manufacturer specification · The original G502 X PLUS / LIGHTSPEED setup guide explicitly says the mouse operates in data-over-cable mode when connected directly to a PC. A charging connector alone is not the basis for this claim. Logitech G502 X PLUS — manufacturer specifications Logitech G502 X PLUS / LIGHTSPEED — original manufacturer setup guide Logitech Signature Comfort Plus M850 L Manufacturer specification · Not compatible with other Logitech receivers; not Unifying-ready. Logitech UK — Signature Comfort Plus M850 L product page and technical specifications	LIGHTSPEED wireless USB receiver; wired USB-C data and charging cable	Bluetooth Low Energy; Logi Bolt USB receiver compatible (not included); up to 3 paired devices
Battery life and conditionsDifferent Sources Logitech G502 X PLUS Manufacturer specification · Logitech's constant-motion estimate; runtime varies with settings and use. Logitech G502 X PLUS — manufacturer specifications Logitech Signature Comfort Plus M850 L Manufacturer specification · Actual battery life varies by usage. Logitech UK — Signature Comfort Plus M850 L product page and technical specifications	Up to 130 hours with lighting off; up to 37 hours with RGB on	1 × AA alkaline (included, replaceable); up to 24 months over Bolt or Bluetooth
Wireless charging support Sources Logitech G502 X PLUS Manufacturer specification · Needs a POWERPLAY charging mat, sold separately. Logitech G502 X PLUS — manufacturer specifications Logitech Signature Comfort Plus M850 L No source recorded.	Logitech POWERPLAY	Not provided
Charging connector Sources Logitech G502 X PLUS Manufacturer specification · USB-C charging cable included. Logitech G502 X PLUS — manufacturer specifications Logitech Signature Comfort Plus M850 L No source recorded.	USB-C	Not provided
POWERPLAY 2 compatibility Sources Logitech G502 X PLUS Manufacturer specification · On Logitech's POWERPLAY 2 compatible-mice list; the charging system is sold separately. Logitech POWERPLAY 2 — exact compatible mouse list Logitech Signature Comfort Plus M850 L No source recorded.	Yes	Not provided
Wireless range Sources Logitech G502 X PLUS No source recorded. Logitech Signature Comfort Plus M850 L Manufacturer specification Logitech UK — Signature Comfort Plus M850 L product page and technical specifications	Not provided	10 m

Lighting Sources Logitech G502 X PLUS Manufacturer specification · Eight-LED LIGHTSYNC array; G HUB can dim it during play. Published lighting implementation: Eight RGB zones. Source-specific tooling, location, modes and effects remain qualified; more detailed wording does not establish another RGB product lacks that implementation. Logitech G502 X PLUS — manufacturer specifications Logitech Signature Comfort Plus M850 L No source recorded.	RGB	Not provided
Onboard profile capacity Sources Logitech G502 X PLUS Manufacturer specification · Two profiles by default; up to five with Logitech G HUB. Logitech G502 X PLUS — manufacturer specifications Logitech Signature Comfort Plus M850 L No source recorded.	5 profiles	Not provided
Customisation softwareDifferent Sources Logitech G502 X PLUS Manufacturer specification · G HUB is an optional download (internet required). Logitech G502 X PLUS — manufacturer specifications Logitech Signature Comfort Plus M850 L Manufacturer specification · Original exact supported software description: Logi Options+; Logi Tune. The exact source additionally names Logi Tune; that positive is retained here. The predecessor source does not resolve Tune support, so omission cannot establish a missing app or capability. Logitech UK — Signature Comfort Plus M850 L product page and technical specifications	Logitech G HUB	Logi Options+
Onboard memory Sources Logitech G502 X PLUS Manufacturer specification · Stores settings on the mouse; up to five profiles with Logitech G HUB. Logitech G502 X PLUS — manufacturer specifications Logitech Signature Comfort Plus M850 L No source recorded.	Yes	Not provided
RGB lighting zones Sources Logitech G502 X PLUS Manufacturer specification · The exact product source explicitly states 8 configurable RGB zones. Eight-LED LIGHTSYNC array; G HUB can dim it during play. Published lighting implementation: Eight RGB zones. Source-specific tooling, location, modes and effects remain qualified; more detailed wording does not establish another RGB product lacks that implementation. Status indicators are not counted as additional configurable zones. Logitech G502 X PLUS — manufacturer specifications Logitech Signature Comfort Plus M850 L No source recorded.	8	Not provided

Manufacturer host requirementsDifferent Sources Logitech G502 X PLUS Manufacturer specification · G HUB has its own current system requirements. Logitech G502 X PLUS — manufacturer specifications Logitech Signature Comfort Plus M850 L Manufacturer specification · Device basic functions are supported without software on systems other than Windows and macOS (Linux, ChromeOS, iPadOS and Android). Logitech UK — Signature Comfort Plus M850 L product page and technical specifications	USB port; Windows 10 or later; macOS 10.14 or later	Bluetooth Low Energy required: Windows 10, 11 or later, macOS 12 or later, Linux, ChromeOS, iPadOS 15 or later, Android 12 or later
Listed packageDifferent Sources Logitech G502 X PLUS Manufacturer specification · No POWERPLAY mat included; check the seller's listing. Logitech G502 X PLUS — manufacturer specifications Logitech Signature Comfort Plus M850 L Manufacturer specification · No receiver included. Logitech UK — Signature Comfort Plus M850 L product page and technical specifications	Mouse; DPI-shift cover; USB-C charging cable; LIGHTSPEED USB-A receiver; USB extension adapter; documentation	Mouse with 1 × AA battery; user documentation
Click noise Sources Logitech G502 X PLUS No source recorded. Logitech Signature Comfort Plus M850 L Manufacturer specification · Logitech publishes no decibel or percentage figure. Original manufacturer description: Quiet clicks (Logitech: less noisy operation). These own claims do not establish a measured noise advantage over another quiet-click mouse. Logitech UK — Signature Comfort Plus M850 L product page and technical specifications	Not provided	Quiet clicks
Certifications Sources Logitech G502 X PLUS No source recorded. Logitech Signature Comfort Plus M850 L Manufacturer specification Logitech UK — Signature Comfort Plus M850 L product page and technical specifications	Not provided	Certified for WWCB; Engineered for Intel Evo laptops
Materials Sources Logitech G502 X PLUS No source recorded. Logitech Signature Comfort Plus M850 L Manufacturer specification · Logitech gives no recycled-content percentage on this page. Logitech UK — Signature Comfort Plus M850 L product page and technical specifications	Not provided	Made with recycled plastic

Show unverified (3)Not verified, not provided or conflicting for both products. Kept for completeness; never counted as a difference.

Specifications without verified values for either product
Polling rate Sources Logitech G502 X PLUS Logitech does not list this for the model. · Manufacturer specification · Logitech does not list a report rate for this model. Logitech G502 X PLUS — manufacturer specifications Logitech Signature Comfort Plus M850 L Logitech does not list a report rate for this model. · Manufacturer specification Logitech UK — Signature Comfort Plus M850 L product page and technical specifications	Not provided	Not listed by the manufacturer
Cable length Sources Logitech G502 X PLUS Logitech does not list this for the model. · Manufacturer specification · Logitech does not list the cable length. Logitech G502 X PLUS — manufacturer specifications Logitech Signature Comfort Plus M850 L No source recorded.	Not provided	Not provided
Limited hardware warranty Sources Logitech G502 X PLUS No source recorded. Logitech Signature Comfort Plus M850 L Logitech UK lists a 2-year limited hardware warranty; Logitech US lists 1 year. Regional terms differ. · Manufacturer specification Logitech UK — Signature Comfort Plus M850 L product page and technical specifications Logitech US — Signature Comfort Plus M850 L product page and technical specifications	Not provided	Conflicting sources

First product manufacturer source Second product manufacturer source

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