Keychron K8 vs K9 ProTKL Layout or Low-Profile 60%
Choose the K8 for its TKL function and navigation keys and larger 4000mAh battery, or the K9 Pro for a smaller low-profile layout with QMK/VIA support.
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4.8 (623)4.8 · 623 reviews
from$59at Keychron
5.0 (1)5.0 · 1 reviews
from$67at Keychron
Which one should you get?
Get the
Keychron K8
Battery
Build quality in the top 40% of 80% boards under $100.
- 80% TKL layout retains function, navigation, and multimedia keys.
- 4000mAh battery, larger than the K9 Pro's 1550mAh battery.
- Bluetooth and wired connectivity, with Bluetooth multi-device support for up to three devices in the vendor description.
- North-facing LEDs. Cherry-profile keycaps can hit the switch housing.
- No numpad.
Get the
Keychron K9 Pro
QMK
Build quality in the top 15% of 60% boards under $100.
- Compact 60% layout and 410g listed weight.
- Low-profile design with low-profile PBT keycaps.
- QMK and VIA support, plus Keychron Launcher features for remapping and macros.
- Low-profile switches and keycaps only. Standard MX keycaps will not fit.
- North-facing LEDs. Cherry-profile keycaps can hit the switch housing.
- No ISO layout. ISO-DE, UK, and other ISO variants are not offered.
- Compact layout only. No function row, dedicated arrow keys, or numpad.
Choose the Keychron K8 if you want a TKL layout with dedicated function and navigation keys, plus a larger 4000mAh battery. Choose the Keychron K9 Pro if compact dimensions, low-profile PBT keycaps, and QMK/VIA customization matter more. Check the K9 Pro's stock availability and confirm that its limited low-profile switch compatibility suits your plans before buying.
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 K8
Keychron K9 Pro
Layout size
80%
60%
Battery
4,000 mAh
1,550 mAh
A larger battery means fewer cables during the day
Low profile
No
Yes
Case material
Aluminum, Plastic
ABS, Aluminum, Plastic
QMK
No
Yes
The deep option when you want to remap every key
- Keychron K8
- Keychron K9 Pro
- Performance
- 6175
- Build quality
- 6680
- Productivity
- 6574
- Customizability
- 6689
- Portability
- 7386
- Connection: Bluetooth, Wired
- Hot-swappable
- Switch options: Clicky, Linear, Tactile
- Mount style: Tray Mount
What will you mostly use it for?
The K9 Pro has the edge for travel and programmable customization, while its small layout and explicit N-key rollover also make it a strong gaming pick. The K8 is a more natural fit for office work and content workflows that benefit from a TKL function and navigation key arrangement. Modding favors the K9 Pro for its QMK/VIA support, though its hot-swap version is limited to Gateron low-profile mechanical switches. Battery capacity and layout are the central trade-offs across the comparison.
Pick the Keychron K9 Pro
- The K9 Pro specifies a 1000 Hz polling rate and N-key rollover in wired and wireless modes.
- Its 60% layout and 410g weight make it the more compact option.
- The K8 vendor also lists a 1000 Hz wired polling rate, but its 80% layout takes more space.
What owners say
Ratings and quotes collected from verified store reviews, including the critical ones.
Keychron K8
623 owner reviews
“This keyboard is exactly was I was looking for. Great keystroke, ability to be used wirelessly and wired, backlight, Mac and Windows Key Caps for a great price”
Keychron K9 Pro
1 owner reviews
“This keyboard is thin, light, and has a small footprint, making it suitable for carrying around a bit, such as between one's seat and a conference room. The keyswitches used on this keyboard are also compatible with nuphy models, allowing for customization. I…”
Keychron K8 vs K9 Pro specs
Every tracked spec, side by side. Rows marked with a dot differ between the boards.
10 of 24 specs differ
Keychron K8
Keychron K9 Pro
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
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 K8
Keychron
ISO-DE
Out of stockShips to you
Keychron
ISO-UK
Out of stockShips to you
Keychron
ISO-Nordic
Out of stockShips to you
Keychron (DE)
ISO-DE
Out of stockDoes not ship to you
Keychron (DE)
ISO-UK
Out of stockDoes not ship to you
Keychron (DE)
ISO-ES
Out of stockDoes not ship to you
Keychron K9 Pro
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 K8 vs K9 Pro: your questions
The K8 is an 80% TKL keyboard, while the K9 Pro is a 60% low-profile keyboard. The K9 Pro adds QMK/VIA support and PBT keycaps, while the K8 has a larger 4000mAh battery.
The K9 Pro is the smaller option, with a 60% layout and listed dimensions of 287 x 97.5 mm. The K8 is an 80% TKL keyboard, and its vendor lists dimensions of 355 x 123 mm for the plastic-frame version.
The K8 has a 4000mAh battery, compared with 1550mAh in the K9 Pro. The K8 vendor also lists up to 240 hours with the backlight off, though battery life depends on the configuration and use.
Both keyboards have hot-swappable versions. The K9 Pro vendor specifies compatibility with Gateron low-profile mechanical switches, while the K8 options include mechanical and optical variants with corresponding switch types.
The K9 Pro lists QMK and VIA support, and its vendor describes using QMK firmware and Keychron Launcher for key remapping and macros. The K8 metadata does not list QMK or VIA support.
Both list Bluetooth and wired connectivity, and both include USB-C. The K8 vendor describes Bluetooth connections to up to three devices, and the K9 Pro vendor also describes connections to up to three devices.
The K8 is listed with ABS keycaps, while the K9 Pro vendor specifies low-profile double-shot PBT keycaps. Choose based on the material and low-profile feel you prefer, rather than assuming the keyboards have identical keycaps.
The K9 Pro specifies a 1000 Hz polling rate and N-key rollover in wired and wireless modes. The K8 vendor lists 1000 Hz polling in wired mode, so compare the K9 Pro's 60% layout against the K8's larger TKL layout when choosing.
The K8's 80% TKL layout retains function and navigation keys, according to its vendor description. The K9 Pro uses a 60% layout, so it is the more compact alternative rather than a TKL arrangement.
The K9 Pro is lighter at 410g and measures 287 x 97.5 mm. The K8's vendor lists weights of 740g for the plastic-frame version and 887g for the aluminum-bezel version.
The K9 Pro is available in a hot-swappable version, but the vendor says it supports Gateron low-profile mechanical switches only. Check the specific version before ordering, since hot-swapping is not specified for every configuration.
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