Gamakay GK75 vs Redragon PENUMBRA K687 HE Specs

Compare Gamakay GK75 vs Redragon PENUMBRA K687 HE Differences Side by Side

Explore the comprehensive side-by-side comparison of the Gamakay GK75 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.

Model
Rating	0.0 stars (0 reviews)	0.0 stars (0 reviews)
Purchase Options
Main differences	Released in 2022 Has Linear switch options Supports hot-swappable switches Supports Bluetooth, 2.4 GHz, Wired, Wireless connectivity Equipped with a 3750 mAh battery Weighs about 1700 g Sized at 28 x 145 x 329 mm Made with a Plastic case	Released in 2025 Has Magnetic switch options Comes with a knob Utilizes Hall effect sensors Enables rapid trigger functionality Has built-in sound dampening Supports Wired, Wired only connectivity Weighs about 1500 g Sized at 43 x 334 x 140 mm Made with a Aluminum case
Score	Scores Performance: 61.6 Build Quality: 56.9 Productivity: 65.5 Customizability: 59 Portability: 79.8	Scores Performance: 86.6 Build Quality: 69.9 Productivity: 78 Customizability: 55.4 Portability: 60.9
Name	Name Gamakay GK75	Name Redragon PENUMBRA K687 HE
Release year	Release year 2022	Release year 2025
Switch Options	Switch Options Linear	Switch Options Magnetic
Profile	Profile Normal Profile	Profile Normal Profile
Hot Swappable	Hot Swappable	Hot Swappable
Layout Size	Layout Size 75%	Layout Size 75%
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 Wired, Wired only
Polling Rate	Polling Rate -	Polling Rate -
Battery capacity	Battery capacity 3750 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 Gasket Mount	Mount Style Gasket 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 Plastic	Case Material Aluminum
Keycaps Material	Keycaps Material PBT	Keycaps Material PBT
Dimensions	Dimensions 28 x 145 x 329 mm	Dimensions 43 x 334 x 140 mm
Weight	Weight 1700g	Weight 1500g

GamaKay GK75 75% RGB Mechanical Gaming Keyboard

PENUMBRA K687 HE Rapid Trigger Gaming Keyboard

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0.0 stars (0 reviews)

Released in 2022
Has Linear switch options
Supports hot-swappable switches
Supports Bluetooth, 2.4 GHz, Wired, Wireless connectivity
Equipped with a 3750 mAh battery
Weighs about 1700 g
Sized at 28 x 145 x 329 mm
Made with a Plastic case

Released in 2025
Has Magnetic switch options
Comes with a knob
Utilizes Hall effect sensors
Enables rapid trigger functionality
Has built-in sound dampening
Supports Wired, Wired only connectivity
Weighs about 1500 g
Sized at 43 x 334 x 140 mm
Made with a Aluminum case

Scores

Performance: 61.6
Build Quality: 56.9
Productivity: 65.5
Customizability: 59
Portability: 79.8

Scores

Performance: 86.6
Build Quality: 69.9
Productivity: 78
Customizability: 55.4
Portability: 60.9

Name

Gamakay GK75

Name

Redragon PENUMBRA K687 HE

Release year

2022

Release year

2025

Switch Options

Linear

Switch Options

Magnetic

Profile

Normal Profile

Profile

Normal Profile

Hot Swappable

Layout Size

75%

Layout Size

75%

Layout Standard

ANSI

Layout Standard

ANSI

Layout Ergonomics

Normal

Layout Ergonomics

Normal

Knob Support

Display Support

Mac/Win Support

Multi-Media Keys

USB-C

USB passthrough

Connection

Bluetooth, 2.4 GHz, Wired, Wireless

Connection

Wired, Wired only

Polling Rate

Battery capacity

3750 mAh

Battery capacity

Hall Effect Support

QMK Support

VIA Support

VIAL Support

N-Key Rollover

Rapid Trigger

Mount Style

Gasket Mount

Mount Style

Gasket Mount

Screw in Stabilizers

Sound Dampening

Backlight

Rgb

Backlight

Rgb

Case Colors

Case Material

Plastic

Case Material

Aluminum

Keycaps Material

PBT

Keycaps Material

PBT

Dimensions

28 x 145 x 329 mm

Dimensions

43 x 334 x 140 mm

Weight

1700g

Weight

1500g

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