ACGAM S99 vs Jamesdonkey RS2 4.0
Get the ACGAM S99 for the 6,000 mAh battery. Get the Jamesdonkey RS2 4.0 for knob and qmk.
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.
ACGAM S99
Jamesdonkey RS2 4.0
Battery
6,000 mAh
4,000 mAh
Knob
No
Yes
Weight
1,200 g
1,150 g
QMK
No
Yes
Media keys
No
Yes
- ACGAM S99
- Jamesdonkey RS2 4.0
- Performance
- 6658
- Build quality
- 6971
- Productivity
- 8093
- Customizability
- 6582
- Portability
- 6853
- Layout size: 96%
- Connection: Bluetooth, 2.4 GHz, Wired
- Hot-swappable
- Case material: Aluminum
- Switch options: Linear
- Mount style: Gasket Mount
ACGAM S99 vs Jamesdonkey RS2 4.0 specs
Every tracked spec, side by side. Rows marked with a dot differ between the boards.
6 of 22 specs differ
ACGAM S99
Jamesdonkey RS2 4.0
Switch options
Hot-swappable
Mount style
Sound dampening
Layout size
Layout standard
Ergonomics
Knob
Display
Media keys
Connection
Max polling rate
Battery
USB-C
Case material
Keycaps
Weight
Dimensions
Backlight
QMK
Mac & Windows
Released
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