Head to head · Prices checked Nov 10, 2026

Mxrskey CK820 vs PBTfans Athena 75

Get the Mxrskey CK820 for knob.

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Knob

Mxrskey CK820

from$169at WhatGeek

90-day lowLowest price in 90 days

Compare 3 stores

PBTfans Athena 75

from$159at KBDfans

90-day lowLowest price in 90 days

Compare 2 stores

Quick verdict

Which one should you get?

Get the

Mxrskey CK820

Knob

Build quality in the top 20% of 75% boards under $200.

Rules this board out

South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.
No ISO layout. ISO-DE, UK, and other ISO variants are not offered.

$169 at WhatGeek

Get the

PBTfans Athena 75

Build quality in the top 15% of 75% boards under $200.

$159 at KBDfans

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.

Mxrskey CK820

PBTfans Athena 75

Connection
Bluetooth, 2.4 GHz, Wired
Wired
Wireless for several devices and wired for lower latency
Ergonomics
Standard
Split Backspace
Mount style
Gasket Mount
Top Mount
Knob
Yes
No
Display
None
LCD
A case display rather than a typing feature

KeebFinder scores

How we score

Mxrskey CK820
PBTfans Athena 75

Performance: 68
70
Build quality: 80
81
Productivity: 91
76
Customizability: 85
82
Portability: 83
63

What they share

Layout size: 75%
Hot-swappable
Case material: Aluminum
Sound dampening

See every spec side by side

Full specs

Mxrskey CK820 vs PBTfans Athena 75 specs

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

15 of 25 specs differ

Spec

Mxrskey CK820

PBTfans Athena 75

Typing & switches

Switch options

—

Clicky

Hot-swappable

Yes

Mount style

Gasket Mount

Top Mount

Sound dampening

Yes

Screw-in stabilizers

Yes

Layout

Layout size

75%

Layout standard

ANSI

ANSI, ISO

Ergonomics

Standard

Split Backspace

Knob

Yes

Display

None

LCD

Media keys

Yes

Connectivity & battery

Connection

Bluetooth, 2.4 GHz, Wired

Wired

Battery

3,000 mAh

Wired only

USB-C

Yes

Build & materials

Case material

Aluminum

Plate material

Plastic

Aluminum, CarbonFiber, FR4, Polycarbonate, Steel

Keycaps

—

PBT

Weight

960 g

2,200 g

Dimensions

30 x 105 x 346 mm

—

Typing angle

—

9°

Backlight

RGB, south-facing

RGB

Firmware & software

VIA

Yes

VIAL

Yes

Mac & Windows

Yes

Extras

Released

2022

2026

For EU buyers

ISO layouts by store

Which stores sell ISO-DE, UK, and the other regional layouts.

Mxrskey CK820

No ISO layout at the stores we track.

PBTfans Athena 75

Listed on the product, not split by store: ISO.

Where to buy

Compare prices

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

Prices in USD are converted to your currency and can change at any time. KeebFinder may earn a commission when you buy through these links, at no extra cost to you.

Lowest price across stores, Amazon excluded.

Mxrskey CK8203 stores