Keychron K2 Pro vs K4 Pro75% vs 96% Layouts Compared
Choose the Keychron K2 Pro for a smaller, lighter 75% layout, or the K4 Pro if you want a 96% layout with a number pad.
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4.9 (16)4.9 · 16 reviews
from$89at Keychron
4.7 (7)4.7 · 7 reviews
from$69at Keychron
Which one should you get?
Get the
Keychron K2 Pro
75%
Build quality in the top 5% of 75% boards under $100.
- 75% layout and 1070 g weight make the K2 Pro the smaller, lighter option.
- Mount styles include tray, PCB, and plate mount.
- Hot-swappable sockets support many 3-pin and 5-pin MX-style switches, according to Keychron.
- South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.
- Missing ISO-Nordic. The other board is sold in those layouts.
- No numpad.
Get the
Keychron K4 Pro
96% Layouts Compared
Build quality in the top 10% of 96% boards under $100.
- The 96% layout includes a number pad.
- The vendor describes double-shot PBT keycaps with an OSA profile.
- Hot-swappable switches, QMK, and VIA support provide options for customizing the keyboard.
- South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.
- Compact full-size layout. The numpad is present, the gaps of a full-size board are not.
Choose the K2 Pro if you want a 75% keyboard that is lighter and offers more listed mounting styles. Choose the K4 Pro if a 96% layout and number pad matter more than weight and compactness. Both share hot-swap support, QMK, VIA, Bluetooth, and wired connectivity, so start with the layout you prefer.
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 K2 Pro
Keychron K4 Pro
Layout size
75%
96%
Case material
ABS, Aluminum, Plastic
ABS, Plastic
Mount style
PCB Mount, Plate Mount, Tray Mount
Tray Mount
Weight
1,070 g
1,280 g
Heavier boards stay planted and lighter ones travel
Layout standard
ANSI, ISO, ISO-DE, ISO-ES, ISO-FR, ISO-SW, ISO-UK, JIS
ANSI, ISO, ISO-DE, ISO-ES, ISO-FR, ISO-Nordic, ISO-SW, ISO-UK
ISO and JIS exist so regional layouts fit
- Keychron K2 Pro
- Keychron K4 Pro
- Performance
- 8181
- Build quality
- 9084
- Productivity
- 9595
- Customizability
- 9696
- Portability
- 7954
- Connection: Bluetooth, Wired
- Hot-swappable
- Battery: 4,000 mAh
- Max polling rate: 1,000 Hz
- Switch options: Clicky, Linear, Tactile
- QMK
What will you mostly use it for?
The K2 Pro has the clearer advantage for travel and for buyers who want a smaller footprint or more mounting options. The K4 Pro's 96% layout makes it the more natural fit for number-pad-heavy office and content work. Gaming and programming are close calls because both share key performance and customization features, with layout preference deciding between them. Either model offers wireless and wired connectivity.
It's a tie
- Both list a 1000 Hz polling rate and N-key rollover for wired and wireless modes.
- Both are hot-swappable and offer linear, tactile, and clicky switch options.
- The K2 Pro's 75% layout takes up less space than the K4 Pro's 96% layout, while the K4 Pro includes a number pad.
What owners say
Ratings and quotes collected from verified store reviews, including the critical ones.
Keychron K2 Pro
16 owner reviews
“I have been using the keychron K2 V2 for more than a year so when this came out, I knew I had to get this. and boy I never imagined the smoothness and thock on this thing. I replaced the brown switches with lavender purples and it feels even better.”
Keychron K4 Pro
7 owner reviews
“I previously had a normal K4 and i love the new one, the only thing is that the stabilizers lube work is kinda bad and the space bar was very rattly but after some lube work the K4 pro retakes the perfect productivity keyboard.”
Keychron K2 Pro vs K4 Pro specs
Every tracked spec, side by side. Rows marked with a dot differ between the boards.
7 of 26 specs differ
Keychron K2 Pro
Keychron K4 Pro
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
ISO layouts by store
Which stores sell ISO-DE, UK, and the other regional layouts.
Keychron K2 Pro
Keychron
ISO-DE, ISO-UK, ISO-FR, ISO-ES, ISO-SW
In stockShips to you
Keychron (DE)
ISO-DE, ISO-UK, ISO-FR, ISO-ES, ISO-SW
In stockDoes not ship to you
Keychron K4 Pro
Keychron
ISO-DE, ISO-UK, ISO-Nordic, ISO-FR, ISO-ES, ISO-SW
Out of stockShips to you
Keychron (DE)
ISO-DE, ISO-UK, ISO-FR, ISO-ES, ISO-SW
Out of stockDoes not ship to you
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 K2 Pro vs K4 Pro: your questions
The K2 Pro has a 75% layout, while the K4 Pro has a 96% layout with a number pad. The K2 Pro weighs 1070 g and the K4 Pro weighs 1280 g.
Yes, the K4 Pro uses a 96% layout that includes a number pad. The K2 Pro uses a 75% layout and does not list a number pad.
The K2 Pro is the smaller option, with a 75% layout and listed dimensions of 25 x 317 x 122 mm. The K4 Pro has a 96% layout and listed dimensions of 31 x 391 x 139 mm.
Yes, both models list hot-swappable switches. Keychron says each supports many 3-pin and 5-pin MX-style switches without soldering.
Both keyboards list QMK and VIA support. Keychron also describes using its Launcher web app for key remapping and macros.
Both list Bluetooth and wired connectivity, as well as a 4000mAh battery. Keychron's product descriptions say each can connect wirelessly to up to three devices and also use a USB Type-C wired connection.
The K2 Pro weighs 1070 g, while the K4 Pro weighs 1280 g. The K2 Pro is the lighter choice between these two.
Both list RGB lighting and south-facing RGB. Keychron describes more than 22 RGB backlight settings for each model.
The K2 Pro listing includes ABS and PBT keycap options. Keychron describes the ABS option as shine-through and the PBT option as non-shine-through.
The K4 Pro listing specifies double-shot PBT keycaps, and Keychron describes them as OSA profile. Keychron also says the keycaps aim to provide oil resistance.
The K4 Pro is the choice for a number pad because it uses a 96% layout. The K2 Pro's 75% layout is more compact but does not list a number pad.
The K2 Pro lists tray, PCB, and plate mount styles, while the K4 Pro lists tray mount. Both models have a steel plate.
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