Compare Keychron K3 QMK V3 vs Redragon PENUMBRA K687 HE Differences Side by Side

Explore the comprehensive side-by-side comparison of the Keychron K3 QMK V3 and Redragon PENUMBRA K687 HE and view their biggest differences. The detailed comparison table allows you to see all the essential features, specifications, and benefits of each keyboard at a glance. Whether you're looking for performance, value, or specific functionalities, this comparison tool helps you make an informed decision.

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Main differences	Released in 2024 Has Tactile, Linear switch options Features a low-profile design Supports hot-swappable switches Built with the ISO, ISO-DE, ISO-Nordic, ISO-UK, ANSI layout standard Provides dedicated media keys Supports QMK firmware Features N-key rollover Uses a Plate Mount mounting style Supports Bluetooth, Wired, Wireless connectivity Runs at a 1000 Hz polling rate Equipped with a 1550 mAh battery Weighs about 540 g Sized at 19 x 306 x 116 mm Made with a ABS, Aluminum case Features ABS keycaps Offers Yes, Rgb, North-face, Rgb North-face RGB lighting	Released in 2025 Has Magnetic switch options Built with the ANSI layout standard Comes with a knob Enables rapid trigger functionality Has built-in sound dampening Uses a Gasket Mount mounting style Supports Wired, Wired only connectivity Weighs about 1500 g Sized at 43 x 334 x 140 mm Made with a Aluminum case Features PBT keycaps Offers Yes, Rgb RGB lighting
Score	Scores Performance: 84.4 Build Quality: 71.4 Productivity: 73.9 Customizability: 79 Portability: 77.5	Scores Performance: 86.4 Build Quality: 70.4 Productivity: 78.3 Customizability: 56.1 Portability: 61.2
Name	Name Keychron K3 QMK V3	Name Redragon PENUMBRA K687 HE
Release year	Release year 2024	Release year 2025
Switch Options	Switch Options Tactile, Linear	Switch Options Magnetic
Profile	Profile Low Profile	Profile Normal Profile
Hot Swappable	Hot Swappable	Hot Swappable
Layout Size	Layout Size 75%	Layout Size 75%
Layout Standard	Layout Standard ISO, ISO-DE, ISO-Nordic, ISO-UK, ANSI	Layout Standard ANSI
Layout Ergonomics	Layout Ergonomics Normal	Layout Ergonomics Normal
Knob Support	Knob Support	Knob Support
Display Support	Display Support	Display Support
Mac/Win Support	Mac/Win Support	Mac/Win Support
Multi-Media Keys	Multi-Media Keys	Multi-Media Keys
USB-C	USB-C	USB-C
USB passthrough	USB passthrough	USB passthrough
Connection	Connection Bluetooth, Wired, Wireless	Connection Wired, Wired only
Polling Rate	Polling Rate 1000 Hz	Polling Rate -
Battery capacity	Battery capacity 1550 mAh	Battery capacity -
Hall Effect Support	Hall Effect Support	Hall Effect Support
QMK Support	QMK Support	QMK Support
VIA Support	VIA Support	VIA Support
VIAL Support	VIAL Support	VIAL Support
N-Key Rollover	N-Key Rollover	N-Key Rollover
Rapid Trigger	Rapid Trigger	Rapid Trigger
Mount Style	Mount Style Plate Mount	Mount Style Gasket Mount
Screw in Stabilizers	Screw in Stabilizers	Screw in Stabilizers
Sound Dampening	Sound Dampening	Sound Dampening
Backlight	Backlight Rgb, North-face	Backlight Rgb
Case Colors	Case Colors	Case Colors
Case Material	Case Material ABS, Aluminum	Case Material Aluminum
Keycaps Material	Keycaps Material ABS	Keycaps Material PBT
Dimensions	Dimensions 19 x 306 x 116 mm	Dimensions 43 x 334 x 140 mm
Weight	Weight 540g	Weight 1500g