Epomaker RT75 vs Keychron K2 Ultra
Get the Epomaker RT75 for the 5,000 mAh battery. Get the Keychron K2 Ultra for the 8,000 Hz polling rate.
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.
Epomaker RT75
Keychron K2 Ultra
Battery
5,000 mAh
4,000 mAh
Max polling rate
1,000 Hz
8,000 Hz
Case material
ABS
ABS, Aluminum
Switch options
Linear, Silent, Tactile
Clicky, Linear, Tactile
Display
TFT
None
- Epomaker RT75
- Keychron K2 Ultra
- Performance
- 6490
- Build quality
- 6586
- Productivity
- 7694
- Customizability
- 6992
- Portability
- 8282
- Layout size: 75%
- Connection: Bluetooth, 2.4 GHz, Wired
- Hot-swappable
- Mount style: Gasket Mount
- Sound dampening
- Keycaps: PBT
What owners say
Ratings and quotes collected from verified store reviews, including the critical ones.
Epomaker RT75
1 owner reviews
“I've been using the Epomaker RT75 for a couple of weeks now as my main keyboard for both productivity and gaming. I got it mainly for its retro design and out of curiosity about the 1.54-inch smart screen, which looks impressive. At first, I thought I'd get…”
Keychron K2 Ultra
4 owner reviews
“very compact, build quality is great, and I don't even feel any latency when using the keyboard wireless.”
“The only "zmk" support is from the launcher itself and its missing most of the ZMK features. For example Combos!”
Epomaker RT75 vs Keychron K2 Ultra specs
Every tracked spec, side by side. Rows marked with a dot differ between the boards.
14 of 26 specs differ
Epomaker RT75
Keychron K2 Ultra
Switch options
Hot-swappable
Mount style
Sound dampening
Screw-in stabilizers
Layout size
Layout standard
Ergonomics
Display
Media keys
Connection
Max polling rate
Battery
USB-C
Case material
Plate material
Keycaps
Weight
Dimensions
Typing angle
Backlight
QMK
VIA
N-key rollover
Mac & Windows
Released
Compare prices
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