Newmen GM840 Pro vs Redragon UCAL K673 Pro QWERTY
Get the Redragon UCAL K673 Pro QWERTY for the 4,000 mAh battery and knob.
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Which one should you get?
Get the
Newmen GM840 Pro
Build quality in the bottom 5% of 75% boards under $100.
- No ISO layout. ISO-DE, UK, and other ISO variants are not offered.
Get the
Redragon UCAL K673 Pro QWERTY
Battery
Build quality in the bottom 45% 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.
Newmen GM840 Pro
Redragon UCAL K673 Pro QWERTY
Battery
2,000 mAh
4,000 mAh
A larger battery means fewer cables during the day
Knob
No
Yes
Weight
747 g
1,240 g
Heavier boards stay planted and lighter ones travel
Layout standard
ANSI
ANSI, ISO, ISO-DE, ISO-ES, ISO-UK
ISO and JIS exist so regional layouts fit
Released
2022
2026
- Newmen GM840 Pro
- Redragon UCAL K673 Pro QWERTY
- Performance
- 4966
- Build quality
- 4063
- Productivity
- 6370
- Customizability
- 5458
- Portability
- 7675
- Layout size: 75%
- Connection: Bluetooth, 2.4 GHz, Wired
- Hot-swappable
- Case material: Plastic
- Sound dampening
- Keycaps: PBT
Newmen GM840 Pro vs Redragon UCAL K673 Pro QWERTY specs
Every tracked spec, side by side. Rows marked with a dot differ between the boards.
6 of 18 specs differ
Newmen GM840 Pro
Redragon UCAL K673 Pro QWERTY
Switch options
Hot-swappable
Mount style
Sound dampening
Layout size
Layout standard
Ergonomics
Knob
Display
Connection
Battery
USB-C
Case material
Keycaps
Weight
Dimensions
Backlight
Released
ISO layouts by store
Which stores sell ISO-DE, UK, and the other regional layouts.
Newmen GM840 Pro
No ISO layout at the stores we track.
Redragon UCAL K673 Pro QWERTY
Redragon
ISO-UK
In stockShips to you
Compare prices
Live prices from the stores we track, cheapest in-stock offer first.
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