Keychron K4 Pro vs K5 ProCompact 96% vs Low-Profile Full-Size
Choose the K4 Pro for a compact, mod-friendly layout with a larger battery, or the K5 Pro for a sleek, low-profile full-size typing experience.
Which one should you get?
Get the
Keychron K4 Pro
Compact 96%
- Compact 96% layout includes a number pad while saving desk space.
- Hot-swappable for both 3-pin and 5-pin MX-style switches.
- Includes a steel plate, sound-absorbing foam, and a silicone dampening pad.
- Heavier at 1280g and thicker than the low-profile alternative.
- The compact layout may require adjustment for users accustomed to full-size keyboards.
- The vendor description mentions some users reported issues with stabilizer lube out of the box.
Get the
Keychron K5 Pro
Low-Profile Full-Size
- Ultra-slim, low-profile design with an aluminum frame for a sleek look.
- Full 100% layout with a dedicated number pad and navigation cluster.
- Significantly lighter at 720g, enhancing portability.
- Smaller 2000mAh battery.
- Hot-swap compatibility is limited to Gateron low-profile mechanical switches only.
- North-facing RGB may cause interference with some Cherry-profile keycap sets.
Your primary need dictates the choice. If you want a full-sized keyboard with a modern, sleek profile and are comfortable with low-profile switches, the Keychron K5 Pro is the clear option. If you prioritize a compact layout that retains a number pad, want maximum modding flexibility with standard switches, and prefer a larger battery, the Keychron K4 Pro is the better investment.
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 K4 Pro
Keychron K5 Pro
Layout size
96%
100%
Battery
4,000 mAh
2,000 mAh
Low profile
No
Yes
Case material
ABS, Plastic
ABS, Aluminum, Plastic
Weight
1,280 g
720 g
- Keychron K4 Pro
- Keychron K5 Pro
- Performance
- 8180
- Build quality
- 8479
- Productivity
- 9581
- Customizability
- 9689
- Portability
- 5456
- Connection: Bluetooth, Wired
- Hot-swappable
- Max polling rate: 1,000 Hz
- Switch options: Clicky, Linear, Tactile
- Mount style: Tray Mount
- QMK
What will you mostly use it for?
The K5 Pro wins for office use, travel, and content creation due to its full layout, lighter weight, and slim profile. The K4 Pro is better for programming and modding, thanks to its compact number pad, broader switch compatibility, and included modding features like screw-in stabilizers. For gaming, the keyboards are evenly matched on core performance specs.
It's a tie
- Both have a 1000 Hz polling rate in wired mode.
- Both support N-key rollover for simultaneous key presses.
- The K4 Pro's south-facing RGB avoids interference with Cherry-profile keycaps, while the K5 Pro's north-facing RGB is standard.
What owners say
Ratings and quotes collected from verified store reviews, including the critical ones.
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 K5 Pro
8 owner reviews
“I love my new keyboard! It's the typing experience I've been seeking.”
Keychron K4 Pro vs K5 Pro specs
Every tracked spec, side by side. Rows marked with a dot differ between the boards.
11 of 27 specs differ
Keychron K4 Pro
Keychron K5 Pro
Switch options
Hot-swappable
Mount style
Low profile
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
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Keychron K4 Pro vs K5 Pro: your questions
The core difference is layout and profile. The K4 Pro uses a compact 96% layout with standard-height keys and a steel plate. The K5 Pro is a full-size 100% keyboard with an ultra-slim, low-profile design featuring an aluminum frame and shorter travel switches.
The Keychron K4 Pro has a larger 4000mAh battery, while the K5 Pro has a 2000mAh battery. Based on the specifications, the K4 Pro should offer longer usage between charges, though actual battery life depends on usage patterns and backlight settings.
Yes, both keyboards offer hot-swappable versions. However, their compatibility differs. The K4 Pro supports a wide range of 3-pin and 5-pin MX-style switches. The K5 Pro's hot-swap sockets are currently compatible only with Gateron low-profile mechanical switches.
No, you cannot use standard Cherry MX switches on the K5 Pro. According to the manufacturer's description, the K5 Pro's hot-swap sockets are designed specifically for Gateron low-profile mechanical switches and are not compatible with standard MX-style switches.
Comfort is subjective. The K5 Pro's low-profile design may reduce finger travel and strain for some users, as noted in a review. The K4 Pro offers adjustable typing angles and its OSA profile keycaps are designed for a comfortable fingertip feel. Trying both switch types and profiles is ideal.
Yes, both keyboards are fully compatible with macOS and Windows. They include keycaps for both operating systems and allow you to configure different keymaps for each OS through the QMK/VIA firmware and Keychron Launcher web app.
The Keychron K4 Pro uses screw-in PCB stabilizers, which are favored for modding. The Keychron K5 Pro uses redesigned stabilizers that, according to the vendor, aim to stay level with the switch and reduce wobble on large keys.
Yes, the RGB LED placement differs. The K4 Pro features south-facing RGB LEDs, which prevent interference with Cherry-profile keycaps. The K5 Pro uses north-facing RGB LEDs, which is the more common orientation but can sometimes cause interference with certain keycap profiles.
The Keychron K5 Pro is more portable. It weighs 720g compared to the K4 Pro's 1280g, and its low-profile design results in a slimmer overall height (18mm vs. unspecified taller height for the K4 Pro), making it easier to carry in a bag.
Yes, both keyboards support extensive programming via the open-source QMK firmware and the Keychron Launcher web app. This allows for key remapping, macro creation, and layer configuration to suit your workflow.
Both keyboards use PBT keycaps for durability and oil resistance. The K4 Pro keycaps are OSA profile (spherical-angle), while the K5 Pro keycaps are LSA profile, which is a low-profile spherical-angle design.
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