Compare Keychron K3 vs MK LowKey70 Differences Side by Side

This comparison is for buyers deciding between two popular low-profile 75% wireless mechanical keyboards. The choice is difficult because both offer hot-swappable switches, Bluetooth connectivity, and a compact form factor. The decision hinges on specific priorities like switch ecosystem, physical layout, and included accessories.

Model
	65	71	Select a keyboard to compare
Rating	0.0 stars (0 reviews)	0.0 stars (0 reviews)
Purchase Options
Main differences	Has Tactile, Linear, Clicky switch options Built with the ISO-FR, ISO, ANSI layout standard Equipped with a 1550 mAh battery Made with a Aluminum, ABS case Features PBT, ABS keycaps Offers Yes, Rgb, White, North-face, Rgb North-face RGB lighting	Has Clicky, Tactile, Linear switch options Built with the ANSI layout standard Equipped with a 2000 mAh battery Made with a Aluminum case Features PBT keycaps Offers Yes, Rgb RGB lighting
Score	Scores Performance: 62.7 Build Quality: 61.7 Productivity: 66.8 Customizability: 69.6 Portability: 78.2	Scores Performance: 64.2 Build Quality: 67.4 Productivity: 76 Customizability: 76 Portability: 83.4
Name	Name Keychron K3	Name MK LowKey70
Release year	Release year 2023	Release year 2023
Switch Options	Switch Options Tactile, Linear, Clicky	Switch Options Clicky, Tactile, Linear
Profile	Profile Low Profile	Profile Low Profile
Hot Swappable	Hot Swappable	Hot Swappable
Layout Size	Layout Size 75%	Layout Size 75%
Layout Standard	Layout Standard ISO-FR, ISO, ANSI	Layout Standard ANSI
Layout Ergonomics	Layout Ergonomics Normal	Layout Ergonomics Normal
Knob Support	Knob Support	Knob Support
Display Support	Display Support	Display Support
Mac/Win Support	Mac/Win Support	Mac/Win Support
Multi-Media Keys	Multi-Media Keys	Multi-Media Keys
USB-C	USB-C	USB-C
USB passthrough	USB passthrough	USB passthrough
Connection	Connection Bluetooth, Wired, Wireless	Connection Bluetooth, Wired, Wireless
Polling Rate	Polling Rate -	Polling Rate -
Battery capacity	Battery capacity 1550 mAh	Battery capacity 2000 mAh
Hall Effect Support	Hall Effect Support	Hall Effect Support
QMK Support	QMK Support	QMK Support
VIA Support	VIA Support	VIA Support
VIAL Support	VIAL Support	VIAL Support
N-Key Rollover	N-Key Rollover	N-Key Rollover
Rapid Trigger	Rapid Trigger	Rapid Trigger
Mount Style	Mount Style Plate Mount	Mount Style Plate Mount
Screw in Stabilizers	Screw in Stabilizers	Screw in Stabilizers
Sound Dampening	Sound Dampening	Sound Dampening
Backlight	Backlight Rgb, White, North-face	Backlight Rgb
Case Colors	Case Colors	Case Colors
Case Material	Case Material Aluminum, ABS	Case Material Aluminum
Keycaps Material	Keycaps Material PBT, ABS	Keycaps Material PBT
Dimensions	Dimensions -	Dimensions -
Weight	Weight -	Weight -

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Pros and Trade-offs

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.

Keychron K3

+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.
+Features two-level adjustable rubber feet for typing angle customization.
+Vendor description mentions a reinforced body structure in version 2.

−Uses proprietary low-profile Keychron Optical switches, not compatible with standard MX switches.
−Smaller 1550mAh battery capacity.
−Case material is listed as a combination of aluminum and ABS, not full aluminum.

MK LowKey70

+Larger 2000mAh rechargeable battery.
+Features a full CNC aluminum case and an aluminum plate.
+Uses more widely available Kailh Choc low-profile switches.
+Includes a redesigned low-profile switch puller.
+Comes with double-shot pudding-style PBT keycaps.

−Multimedia controls are listed as only operating in macOS.
−Only available in an ANSI layout.
−Does not include extra keycaps for different OS layouts.

Which Keyboard Is Better for Your Needs?

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.

GamingTie

•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.

OfficeKeychron K3

•The Keychron K3 includes extra keycaps for both Windows and Mac layouts, easing multi-platform use.
•Its vendor description highlights compatibility with macOS, Windows, and Linux.
•The adjustable rubber feet allow for a more personalized typing angle.

ProgrammingKeychron K3

•The K3 is available in ISO and ANSI layouts, including a specific FR-ISO version.
•The 75% layout retains arrow and navigation keys essential for coding.
•Keychron's vendor page mentions a dedicated user group for Linux support.

TravelMK LowKey70

•The MK LowKey70 has a larger 2000mAh battery compared to the K3's 1550mAh.
•Both share a compact 75% form factor and low-profile design for portability.
•The MK LowKey70's full CNC aluminum case may offer slightly more durability.

ModdingKeychron K3

•The Keychron K3 uses a proprietary low-profile optical switch system with an MX-style stem, which the manufacturer states may pave the way for third-party keycaps.
•It comes with both a keycap and a switch puller in the box.
•The MK LowKey70 is limited to Kailh Choc low-profile switches.

Content CreationTie

•Both keyboards have multimedia keys for controlling media playback.
•Both feature per-key RGB backlighting for visual customization.
•The compact layout frees up desk space for graphics tablets or other peripherals.