Compare Redragon PENUMBRA K687 Pro vs CASTOR K631 Pro SE Differences Side by Side

Explore the comprehensive side-by-side comparison of the Redragon PENUMBRA K687 Pro and Redragon CASTOR K631 Pro SE 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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Rating	0.0 stars (0 reviews)	0.0 stars (0 reviews)
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Main differences	Released in 2024 Has Linear switch options Available in a 75% layout Comes with a knob Has built-in sound dampening Uses a Gasket Mount mounting style Weighs about 1800 g Sized at 43 x 132 x 43 mm Made with a Aluminum case Features PBT keycaps	Released in 2023 Has Clicky, Linear switch options Available in a 65% layout Uses a Bottom Mount mounting style Equipped with a 1600 mAh battery Weighs about 470 g Sized at 40 x 309 x 104 mm Made with a Plastic case Features ABS keycaps
Score	Scores Performance: 79.7 Build Quality: 73.2 Productivity: 71.2 Customizability: 61.7 Portability: 74.7	Scores Performance: 71.1 Build Quality: 51 Productivity: 49.5 Customizability: 56.6 Portability: 83.2
Name	Name Redragon PENUMBRA K687 Pro	Name Redragon CASTOR K631 Pro SE
Release year	Release year 2024	Release year 2023
Switch Options	Switch Options Linear	Switch Options Clicky, Linear
Profile	Profile Normal Profile	Profile Normal Profile
Hot Swappable	Hot Swappable	Hot Swappable
Layout Size	Layout Size 75%	Layout Size 65%
Layout Standard	Layout Standard 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, 2.4 GHz, Wired, Wireless	Connection Bluetooth, 2.4 GHz, Wired, Wireless
Polling Rate	Polling Rate -	Polling Rate -
Battery capacity	Battery capacity -	Battery capacity 1600 mAh
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 Gasket Mount	Mount Style Bottom Mount
Screw in Stabilizers	Screw in Stabilizers	Screw in Stabilizers
Sound Dampening	Sound Dampening	Sound Dampening
Backlight	Backlight Rgb	Backlight Rgb
Case Colors	Case Colors	Case Colors
Case Material	Case Material Aluminum	Case Material Plastic
Keycaps Material	Keycaps Material PBT	Keycaps Material ABS
Dimensions	Dimensions 43 x 132 x 43 mm	Dimensions 40 x 309 x 104 mm
Weight	Weight 1800g	Weight 470g