Head to head · Prices checked Nov 7, 2026

Redragon ABYSSAL K758 vs Keychron 81 Pro

Get the Keychron 81 Pro for knob.

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Redragon ABYSSAL K758

No reviews

from$29at Redragon

Compare 2 stores

Knob

Keychron 81 Pro

Keyboard 81 Pro QMK/VIA Wireless Custom Mechanical Keyboard

5.0 (4)5.0 · 4 reviews

from$145at Input Gear

Compare 4 stores

Quick verdict

Which one should you get?

Get the

Redragon ABYSSAL K758

Build quality in the bottom 25% of 40% boards under $150.

Rules this board out

Compact layout only. No function row, dedicated arrow keys, or numpad.

$29 at Redragon

Get the

Keychron 81 Pro

Knob

Build quality in the top 5% of 75% boards under $150.

Rules this board out

South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.
No numpad.

$145 at Input Gear

What actually differs

The differences that matter

Skip the 40-row spec sheet. These are the specs that change how each board feels, sounds, and fits your desk.

Redragon ABYSSAL K758

Keychron 81 Pro

Layout size
40%
75%
Connection
Wired
Bluetooth, Wired
Wireless for several devices and wired for lower latency
Case material
ABS
Aluminum
Switch options
Linear
Clicky, Linear, Tactile
Knob
No
Yes

KeebFinder scores

How we score

Redragon ABYSSAL K758
Keychron 81 Pro

Performance: 59
82
Build quality: 52
87
Productivity: 54
97
Customizability: 59
94
Portability: 71
82

What they share

Hot-swappable

See every spec side by side

Full specs

Redragon ABYSSAL K758 vs Keychron 81 Pro specs

Every tracked spec, side by side. Rows marked with a dot differ between the boards.

17 of 27 specs differ

Spec

Redragon ABYSSAL K758

Keychron 81 Pro

Typing & switches

Switch options

Linear

Clicky, Linear, Tactile

Hot-swappable

Yes

Mount style

—

Gasket Mount, Plate Mount

Sound dampening

Yes

Screw-in stabilizers

Yes

Layout

Layout size

40%

75%

Layout standard

—

ANSI

Ergonomics

Standard

Knob

Yes

Display

None

Media keys

Yes

Connectivity & battery

Connection

Wired

Bluetooth, Wired

Max polling rate

—

1,000 Hz

Battery

Wired only

4,000 mAh

USB passthrough

Yes

USB-C

Yes

Build & materials

Case material

ABS

Aluminum

Plate material

—

Polycarbonate

Keycaps

—

PBT

Weight

441 g

1,887 g

Dimensions

36 x 231 x 180 mm

47 x 338 x 151 mm

Backlight

RGB

RGB, south-facing

Firmware & software

QMK

Yes

VIA

Yes

N-key rollover

Yes

Mac & Windows

Yes

Extras

Released

2026

2023

Where to buy

Compare prices

Live prices from the stores we track, cheapest in-stock offer first.

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Lowest price across stores, Amazon excluded.

Redragon ABYSSAL K7582 stores