Logitech G915 X LIGHTSPEED vs Logitech G915 X LIGHTSPEED TKL

Every spec side by side, from each maker's published figures.

Better figure, where one is clearly better

G915 X LIGHTSPEED compared with G915 X LIGHTSPEED TKL
LogitechG915 X LIGHTSPEEDLogitechG915 X LIGHTSPEED TKL
Overview
ReleasedSeptember 2024September 2024
Typing
LayoutFull sizeTenkeyless
SwitchesLow-profile mechanicalLow-profile mechanical
Key travel3.2 mm3.2 mm
BacklightRGBRGB
Keys labelled forWindowsWindows
SwitchesLow-profile GL mechanical switches, redesigned with a cross-style POM stem; Linear (43 ± 10 gf), Tactile (45 ± 10 gf) or Clicky (48 ± 13 gf); 1.3 ± 0.3 mm actuationLow-profile GL mechanical switches, redesigned with a cross-style POM stem; Linear (43 ± 10 gf), Tactile (45 ± 10 gf) or Clicky (48 ± 13 gf); 1.3 ± 0.3 mm actuation
Key travel3.2 ± 0.25 mm total travel3.2 ± 0.25 mm total travel
KeycapsDouble-shot, shine-through PBTDouble-shot, shine-through PBT
LayoutsEnglish UK, English International, Danish/Norwegian/Swedish/Finnish, French, German, Italian, Spanish and Swiss (UK store)English UK, English International, Danish/Norwegian/Swedish/Finnish, French, German, Italian, Spanish and Swiss (UK store)
BacklightLIGHTSYNC RGB, about 16.8 million coloursLIGHTSYNC RGB, about 16.8 million colours
Special keysNine G-keys; KEYCONTROL (any key can hold macros or layered commands); soft-touch media keys; volume rollerKEYCONTROL (up to 15 functions per key); soft-touch media keys; cast volume roller
Connections and battery
Connects byBluetooth, USB receiver and CableBluetooth, USB receiver and Cable
PowerRechargeableRechargeable
Battery life (maker's claim)Up to 800 hoursUp to 1000 hours
ReceiverLIGHTSPEED USB receiver (1 ms report rate), Bluetooth 5.0, or USB wired with the included USB-A to USB-C cable (1.8 m)LIGHTSPEED USB receiver (1 ms report rate), Bluetooth 5.0, or USB wired with the included USB-A to USB-C cable (1.8 m)
Battery life detailRechargeable, not user-replaceable; up to 800 hours with lighting off and up to 36 hours at 100% RGB brightness on LIGHTSPEED (press release); Logitech's specification sheet lists up to 36 hoursRechargeable, not user-replaceable; up to 1,000 hours with lighting off and up to 42 hours at 100% RGB brightness (press release); Logitech's specification sheet lists up to 42 hours
ChargingUSB-C, with the included 1.8 m USB-A to USB-C charging and data cableUSB-C, with the included 1.8 m USB-A to USB-C charging and data cable
Works withWindows 10 (version 1809) or later, macOS 11 or later, Android 4.3 or later and iOS 10 or laterWindows 10 (version 1809) or later, macOS 11 or later, Android 4.3 or later and iOS 10 or later
SoftwareLogitech G HUBLogitech G HUB
Design
Weight1080 g860 g (better)
Width × depth × height475 × 150 × 22.6 mm368 × 150 × 22.6 mm
Size475 × 150 × 22.6 mm; 1,080 g368 × 150 × 22.6 mm; 860 g
MaterialsBrushed aluminium alloy top plate (1.5 mm thick)Brushed aluminium alloy top plate (1.5 mm thick)
ColoursBlack, White (Black only on the UK store)Black, White (Black only on the UK store)
In the boxKeyboard, LIGHTSPEED USB receiver, USB-A to USB-C charging and data cable, documentationKeyboard, LIGHTSPEED USB receiver, USB-A to USB-C charging and data cable, documentation
Warranty2-year limited hardware warranty2-year limited hardware warranty

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