Keychron K8 Max vs Logitech G515 LIGHTSPEED TKL

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

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K8 Max compared with G515 LIGHTSPEED TKL
KeychronK8 MaxLogitechG515 LIGHTSPEED TKL
Overview
ReleasedAugust 2024June 2024
Typing
LayoutTenkeylessTenkeyless
SwitchesMechanicalLow-profile mechanical
Key travel–3.2 mm
BacklightRGBRGB
Keys labelled forMac, Windows and moreWindows
Touch IDNo–
SwitchesKeychron Super mechanical switches (Red, Brown or Banana); south-facing; hot-swappable version accepts almost all 3-pin and 5-pin MX-style switchesLow-profile GL mechanical switches, factory-lubed; Tactile (45 ± 10 gf) or Linear (43 ± 10 gf); 1.3 ± 0.3 mm actuation
Key travel–3.2 ± 0.25 mm total travel
KeycapsDouble-shot PBT, OSA profile; keycaps for Windows and macOS plus extra Esc and Enter keysLow-profile double-shot PBT
Layouts87 keys (80% TKL); ANSI (keychron.com); UK ISO (keychron.uk)English UK, English International, Czech/Slovak, Danish/Norwegian/Swedish/Finnish, French, German, Hungarian, Italian, Spanish and Swiss (UK store)
Backlight22 RGB backlight effects; a white-backlight version is also soldLIGHTSYNC RGB, about 16.8 million colours
Special keys12 multimedia keys; separate keymaps for Mac and Windows; N-key rollover wireless and wiredKEYCONTROL with G SHIFT layers (up to 15 functions per key); indicator lights for LIGHTSPEED, Bluetooth, Game Mode, battery and Caps Lock
Connections and battery
Connects byBluetooth, USB receiver and CableBluetooth, USB receiver and Cable
Devices it switches between3–
PowerRechargeableRechargeable
Battery life (maker's claim)Up to 190 hoursUp to 36 hours
Receiver2.4 GHz USB receiver at 1,000 Hz polling; Bluetooth 5.1 at 90 Hz to up to three devices; USB-C wired at 1,000 HzLIGHTSPEED USB-A receiver (1 ms report rate) with 2:1 pairing for a compatible Logitech G mouse; Bluetooth; USB-C wired with the included 1.8 m USB-A to USB-C cable
Battery life detail4,000 mAh lithium-polymer battery; around 190 hours with the backlight off and around 100 hours with RGB at its lowest brightness (Keychron's lab tests)1,500 mAh rechargeable battery, not user-replaceable; up to 36 hours of continuous play (Logitech doesn't say at what lighting level)
Charging–USB-C, with the included 1.8 m USB-A to USB-C charging and data cable
Works withmacOS, Windows and Linux–
SoftwareQMK firmware; Keychron Launcher web app for key remapping and macrosLogitech G HUB
Design
Weight1158 g880 g (better)
Width × depth × height354.21 × 124.18 × 43.09 mm354.75 × 146 × 22.14 mm
Size354.21 × 124.18 mm (plastic frame), 1,158 g; 359.20 × 129.20 mm (aluminium frame), 1,308 g; height with keycaps 35.32 mm at the front and 43.09 mm at the rear; typing angles of 3.4°, 7.7° and 10.7°354.75 × 146 × 22.14 mm; 880 g
MaterialsABS or ABS and aluminium frame; steel plate; IXPE, PET and EPDM foams; screw-in PCB stabilisersLayered sound-dampening construction
ColoursBlack, White (keychron.com)Black, White (Black only on the UK store)
In the box–Keyboard, LIGHTSPEED USB receiver, USB-A to USB-C charging and data cable, documentation
Warranty–2-year limited hardware warranty

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