Redragon DHARMA K740 PRO vs PENUMBRA K687 Specs

Compare Redragon DHARMA K740 PRO vs PENUMBRA K687 Differences Side by Side

Explore the comprehensive side-by-side comparison of the Redragon DHARMA K740 PRO and Redragon PENUMBRA K687 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	Available in a 90% layout Compatible with both Mac and Windows Uses a Bottom Mount mounting style Supports Bluetooth, 2.4 GHz, Wired, Wireless connectivity Runs at a 1000 Hz polling rate Weighs about 1150 g Sized at 42 x 378 x 129 mm Features PBT keycaps	Available in a 75% layout Has built-in sound dampening Uses a Gasket Mount mounting style Supports Wired, Wired only connectivity Weighs about 1500 g Sized at 43 x 133 x 43 mm
Score	Scores Performance: 78.9 Build Quality: 63.5 Productivity: 73.8 Customizability: 67.6 Portability: 51.9	Scores Performance: 79.6 Build Quality: 72.9 Productivity: 71.3 Customizability: 62 Portability: 60.2
Name	Name Redragon DHARMA K740 PRO	Name Redragon PENUMBRA K687
Release year	Release year 2025	Release year 2025
Switch Options	Switch Options Linear	Switch Options Linear
Profile	Profile Normal Profile	Profile Normal Profile
Hot Swappable	Hot Swappable	Hot Swappable
Layout Size	Layout Size 90%	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 1000 Hz	Polling Rate -
Battery capacity	Battery capacity -	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 Bottom 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 Aluminum	Case Material Aluminum
Keycaps Material	Keycaps Material PBT	Keycaps Material -
Dimensions	Dimensions 42 x 378 x 129 mm	Dimensions 43 x 133 x 43 mm
Weight	Weight 1150g	Weight 1500g

PENUMBRA K687 (CNC Aluminum Gaming Keyboard)

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0.0 stars (0 reviews)

Available in a 90% layout
Compatible with both Mac and Windows
Uses a Bottom Mount mounting style
Supports Bluetooth, 2.4 GHz, Wired, Wireless connectivity
Runs at a 1000 Hz polling rate
Weighs about 1150 g
Sized at 42 x 378 x 129 mm
Features PBT keycaps

Available in a 75% layout
Has built-in sound dampening
Uses a Gasket Mount mounting style
Supports Wired, Wired only connectivity
Weighs about 1500 g
Sized at 43 x 133 x 43 mm

Scores

Performance: 78.9
Build Quality: 63.5
Productivity: 73.8
Customizability: 67.6
Portability: 51.9

Scores

Performance: 79.6
Build Quality: 72.9
Productivity: 71.3
Customizability: 62
Portability: 60.2

Name

Redragon DHARMA K740 PRO

Name

Redragon PENUMBRA K687

Release year

2025

Release year

2025

Switch Options

Linear

Switch Options

Linear

Profile

Normal Profile

Profile

Normal Profile

Hot Swappable

Layout Size

90%

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

1000 Hz

Polling Rate

Battery capacity

Hall Effect Support

QMK Support

VIA Support

VIAL Support

N-Key Rollover

Rapid Trigger

Mount Style

Bottom Mount

Mount Style

Gasket Mount

Screw in Stabilizers

Sound Dampening

Backlight

Rgb

Backlight

Rgb

Case Colors

Case Material

Aluminum

Case Material

Aluminum

Keycaps Material

PBT

Keycaps Material

Dimensions

42 x 378 x 129 mm

Dimensions

43 x 133 x 43 mm

Weight

1150g

Weight

1500g

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