Royal Kludge M75 vs Redragon PENUMBRA K687
Get the Redragon PENUMBRA K687 for sound dampening.
KeebFinder may earn a commission when you buy through these links, at no extra cost to you.
Which one should you get?
Get the
Royal Kludge M75
Build quality in the top 50% of 75% boards under $100.
- South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.
Get the
Redragon PENUMBRA K687
Sound dampening
Build quality in the top 35% of 75% boards under $100.
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.
Royal Kludge M75
Redragon PENUMBRA K687
Connection
Bluetooth, 2.4 GHz, Wired
Wired
Wireless for several devices and wired for lower latency
Switch options
Clicky, Linear
Linear
Display
OLED
None
A case display rather than a typing feature
Weight
900 g
1,500 g
Heavier boards stay planted and lighter ones travel
Sound dampening
No
Yes
- Royal Kludge M75
- Redragon PENUMBRA K687
- Performance
- 6679
- Build quality
- 6673
- Productivity
- 7471
- Customizability
- 7461
- Portability
- 8060
- Layout size: 75%
- Hot-swappable
- Mount style: Gasket Mount
- Knob
Royal Kludge M75 vs Redragon PENUMBRA K687 specs
Every tracked spec, side by side. Rows marked with a dot differ between the boards.
11 of 21 specs differ
Royal Kludge M75
Redragon PENUMBRA K687
Switch options
Hot-swappable
Mount style
Sound dampening
Layout size
Layout standard
Ergonomics
Knob
Display
Connection
Battery
USB passthrough
USB-C
Case material
Keycaps
Weight
Dimensions
Backlight
N-key rollover
Mac & Windows
Released
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.
- Check on Amazon
Amazon
Check price
Not sold on either?
Still torn?
Answer a few quick questions and the keyboard finder ranks 2,000+ boards by how you will actually use yours.












