Keychron K3 vs Nuphy Node75 Low Profile
Choose the Keychron K3 for RGB and Mac/Windows-focused features, or the Nuphy Node75 for 2.4 GHz wireless and a listed 1000 Hz polling rate.
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Which one should you get?
Get the
Keychron K3
Build quality in the bottom 40% of 75% boards under $150.
- 75% layout with multimedia keys and function keys, as described by Keychron.
- RGB or white backlight variants are listed.
- Mac/Windows support, with vendor-described keycaps for both systems.
- Low-profile switches and keycaps only. Standard MX keycaps will not fit.
- North-facing LEDs. Cherry-profile keycaps can hit the switch housing.
Get the
Nuphy Node75 Low Profile
Battery
Build quality in the bottom 35% of 75% boards under $150.
- Bluetooth, 2.4 GHz, and wired connectivity are listed.
- A 1000 Hz polling rate is listed.
- Gasket mount with a polycarbonate plate.
- Low-profile switches and keycaps only. Standard MX keycaps will not fit.
- No ISO layout. ISO-DE, UK, and other ISO variants are not offered.
Choose the Keychron K3 if RGB or white backlighting, multimedia keys, and non-ANSI layout options are priorities. Choose the Nuphy Node75 if you want 2.4 GHz wireless and its listed 1000 Hz polling rate. Before buying either, check that your preferred low-profile switches and keycaps match its compatibility requirements.
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.
Keychron K3
Nuphy Node75 Low Profile
Connection
Bluetooth, Wired
Bluetooth, 2.4 GHz, Wired
Wireless for several devices and wired for lower latency
Battery
1,550 mAh
3,000 mAh
A larger battery means fewer cables during the day
Case material
ABS, Aluminum
ABS
Switch options
Clicky, Linear, Tactile
Clicky, Linear
Mount style
Plate Mount
Gasket Mount
- Keychron K3
- Nuphy Node75 Low Profile
- Performance
- 6449
- Build quality
- 6159
- Productivity
- 6653
- Customizability
- 6945
- Portability
- 8079
- Layout size: 75%
- Hot-swappable
- Low profile
What will you mostly use it for?
The Node75 has the clearer gaming-oriented connection specification, with 2.4 GHz wireless and a listed 1000 Hz polling rate. The K3 is more compelling for office and content workflows that benefit from its stated multimedia keys, Mac/Windows support, and backlight options. Its listed ISO layout options also make it the more flexible choice for buyers who do not want ANSI. Both offer low-profile hot-swap, but their switch compatibility differs.
Pick the Nuphy Node75 Low Profile
- The Node75 lists 2.4 GHz wireless alongside Bluetooth and wired connectivity.
- Its listed polling rate is 1000 Hz.
- The K3 lists Bluetooth and wired connectivity, without a stated polling rate.
Keychron K3 vs Nuphy Node75 Low Profile specs
Every tracked spec, side by side. Rows marked with a dot differ between the boards.
12 of 21 specs differ
Keychron K3
Nuphy Node75 Low Profile
Switch options
Hot-swappable
Mount style
Low profile
Layout size
Layout standard
Ergonomics
Display
Media keys
Connection
Max polling rate
Battery
USB-C
Case material
Plate material
Keycaps
Weight
Typing angle
Backlight
Mac & Windows
Released
ISO layouts by store
Which stores sell ISO-DE, UK, and the other regional layouts.
Keychron K3
Keychron (DE)
ISO-FR
In stockDoes not ship to you
Nuphy Node75 Low Profile
No ISO layout at the stores we track.
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.
Keychron K3 vs Nuphy Node75 Low Profile: your questions
The Nuphy Node75 lists Bluetooth, 2.4 GHz, and wired connectivity. The Keychron K3 lists Bluetooth and wired connections.
The Nuphy Node75 is listed with a 1000 Hz polling rate. No polling rate is listed for the Keychron K3.
The Keychron K3 is listed with RGB and white backlight options. The Node75 metadata lists RGB as unavailable, so buyers prioritizing backlighting should consider the K3.
The K3 lists ISO-FR, ISO, and ANSI layout options, and Keychron describes an FR-ISO version. The Node75 is listed as ANSI only.
The Node75 compatibility rules specify ANSI only, with ISO-DE, UK, and other ISO variants not offered. The K3 lists ISO-FR and ISO options alongside ANSI.
Both are listed as hot-swappable low-profile keyboards. Keychron specifies that hot-swap applies to its low-profile Optical switch version, while the Node75 vendor describes support for low-profile MX-compatible switches.
Both keyboards are limited to low-profile switches and keycaps, and standard MX keycaps will not fit. Check the compatibility of any replacement low-profile keycaps before purchasing.
The K3 lists Mac/Windows support, and Keychron says it includes keycaps for both operating systems. The Node75 vendor also lists Windows and macOS among its compatible operating systems.
The Node75 lists a 3000mAh battery, compared with the K3's listed 1550mAh battery. Battery capacity alone does not establish how long either keyboard will run between charges.
The K3 has a 75% layout, multimedia keys, and listed Mac/Windows support. Keychron also describes function and multimedia keys and includes keycaps for both macOS and Windows.
The Node75 is listed with a gasket mount and a polycarbonate plate. Its ABS case is also specified.
The K3 has north-facing LEDs, and its compatibility rules warn that Cherry-profile keycaps can hit the switch housing. Low-profile keycaps are required, and the Cherry-profile warning should be considered when selecting replacements.
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