Keychron K3 vs MK LowKey70
Choose the Keychron K3 for broader layout options and included keycaps, or the MK LowKey70 for a larger battery and a full aluminum build.
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Which one should you get?
Get the
Keychron K3
Build quality in the bottom 40% of 75% boards under $150.
- Available in multiple layouts including ISO, ANSI, and a specific FR-ISO version.
- Includes 17 extra keycaps for both Windows and Mac operating systems.
- Comes with both a keycap puller and a dedicated optical switch puller.
- 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
MK LowKey70
Battery
Build quality in the bottom 35% of 75% boards under $50.
- Larger 2000mAh rechargeable battery.
- Features a full CNC aluminum case and an aluminum plate.
- Uses more widely available Kailh Choc low-profile switches.
- 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.
Select the Keychron K3 if you need specific ISO layouts, value included Mac/Windows keycaps, or are interested in its unique optical switch ecosystem. Opt for the MK LowKey70 if you prioritize a larger battery, a full aluminum build, and the standard Kailh Choc switch compatibility. Both are competent low-profile wireless keyboards for their price.
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
MK LowKey70
Battery
1,550 mAh
2,000 mAh
A larger battery means fewer cables during the day
Case material
ABS, Aluminum
Aluminum
Layout standard
ANSI, ISO, ISO-FR
ANSI
ISO and JIS exist so regional layouts fit
Plate material
Plastic
Aluminum
Keycaps
ABS, PBT
PBT
- Keychron K3
- MK LowKey70
- Performance
- 6464
- Build quality
- 6167
- Productivity
- 6676
- Customizability
- 6874
- Portability
- 8083
- Layout size: 75%
- Connection: Bluetooth, Wired
- Hot-swappable
- Low profile
- Switch options: Clicky, Linear, Tactile
- Mount style: Plate Mount
What will you mostly use it for?
The Keychron K3 holds advantages for office users and programmers due to its multi-OS keycaps and broader layout selection. For travel, the MK LowKey70's larger battery is a key benefit. Gamers and content creators will find both models equally capable, while modders should note the K3's unique optical switch system and included tools.
It's a tie
- Both offer low-profile switches which some gamers prefer for speed.
- Both feature wired and wireless connectivity for flexibility.
- Both have a 75% layout that saves desk space for mouse movement.
Keychron K3 vs MK LowKey70 specs
Every tracked spec, side by side. Rows marked with a dot differ between the boards.
6 of 19 specs differ
Keychron K3
MK LowKey70
Switch options
Hot-swappable
Mount style
Low profile
Layout size
Layout standard
Ergonomics
Display
Media keys
Connection
Battery
USB-C
Case material
Plate material
Keycaps
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
MK LowKey70
No ISO layout at the stores we track.
Compare prices
Live prices from the stores we track, cheapest in-stock offer first.
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Lowest price across stores, Amazon excluded.
Keychron K3 vs MK LowKey70: your questions
Yes, both keyboards are hot-swappable. However, they use different switch systems. The Keychron K3 uses low-profile Keychron Optical switches, while the MK LowKey70 uses Kailh Choc low-profile mechanical switches. They are not cross-compatible.
The MK LowKey70 has a larger 2000mAh battery compared to the Keychron K3's 1550mAh battery. While exact runtime depends on usage and backlight settings, the larger capacity in the LowKey70 suggests potentially longer wireless operation between charges.
Yes, both are listed as compatible with macOS and Windows. The Keychron K3 includes extra keycaps for both operating systems. The MK LowKey70's vendor page notes that its multimedia controls only operate in macOS.
The Keychron K3 offers keycaps in either PBT or ABS material depending on the variant. The MK LowKey70 comes with double-shot PBT pudding-style keycaps as standard.
No. Both are low-profile keyboards with specific low-profile switches. The Keychron K3 uses optical switches with an MX-style stem, but the vendor states it is for low-profile keycaps. The MK LowKey70 uses Kailh Choc switches, which require Choc-compatible keycaps.
According to the vendor description, the Keychron K3 package includes the keyboard, a USB-A to USB-C cable, a keycap puller, an optical switch puller, a dust cover, and a user manual.
The MK LowKey70 includes the keyboard, a USB Type-C cable with a Type-A adapter, a newly redesigned low-profile switch puller, a user manual, and a quick start guide.
The MK LowKey70 features a full CNC aluminum case and an aluminum plate. The Keychron K3's case is listed as a combination of aluminum and ABS, with a plastic plate, though its vendor mentions a reinforced body structure in its second version.
Yes, both the Keychron K3 and MK LowKey70 feature per-key RGB LED backlighting with multiple lighting effects.
Both keyboards use Bluetooth 5.1 for wireless connectivity, as stated in their respective vendor descriptions.
The Keychron vendor description states the K3 is compatible with Linux and mentions a dedicated user group to help with the experience, suggesting community support is available.
The Keychron K3 has a 6-degree typing angle, and its version 2 includes two-level adjustable rubber feet to potentially alter this angle for comfort.
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