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Compare Keychron K15 Max vs K3 Max SE Differences Side by Side

This comparison is for buyers deciding between two ultra-slim low-profile mechanical keyboards from Keychron, both in a 75% form factor with similar wireless connectivity and QMK support. The K15 Max offers an Alice split layout designed to reduce wrist strain, along with a heavier aluminum construction and macro keys. The K3 Max SE is a more compact and lighter option with a unique wooden side frame. The decision is hard because both share core features like 1000 Hz polling, PBT keycaps, and hot-swappable switches, while their different layouts and case materials cater to very different ergonomic and aesthetic preferences.

89
Keychron K15 Max (Alice Layout) QMK Wireless Custom Mechanical Keyboard
83
Keychron K3 Max SE QMK Wireless Custom Mechanical Keyboard

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4.1 (14)
0.0 (0)
  • Released in 2024
  • Offers Alice ergonomics
  • Provides dedicated media keys
  • Uses a PCB Mount mounting style
  • Equipped with a 2000 mAh battery
  • Weighs about 700 g
  • Sized at 29 x 370 x 143 mm
  • Made with a ABS, Aluminum case
  • Offers Yes, Rgb, White RGB lighting
  • Released in 2026
  • Offers Normal ergonomics
  • Equipped with a 1550 mAh battery
  • Weighs about 566 g
  • Sized at 20 x 319 x 126 mm
  • Made with a ABS, Wood case
  • Offers Yes, Rgb, White, North-face, Rgb North-face, White North-face RGB lighting
Scores
  • Performance: 80.9
  • Build Quality: 79.9
  • Productivity: 92.8
  • Customizability: 89.2
  • Portability: 79.4
Scores
  • Performance: 80.4
  • Build Quality: 73.9
  • Productivity: 88.7
  • Customizability: 86.9
  • Portability: 80
Name
Keychron K15 Max
Name
Keychron K3 Max SE
Release year
2024
Release year
2026
Switch Options
Linear, Tactile, Clicky
Switch Options
Linear, Tactile, Clicky
Profile
Low Profile
Profile
Low Profile
Hot Swappable
 
Hot Swappable
 
Layout Size
75%
Layout Size
75%
Layout Standard
ANSI
Layout Standard
ANSI
Layout Ergonomics
Alice
Layout Ergonomics
Normal
Knob Support
 
Knob Support
 
Display Support
 
Display Support
 
Mac/Win Support
 
Mac/Win Support
 
Multi-Media Keys
 
Multi-Media Keys
 
USB-C
 
USB-C
 
USB passthrough
 
USB passthrough
 
Connection
Bluetooth, 2.4 GHz, Wired, Wireless
Connection
Bluetooth, 2.4 GHz, Wired, Wireless
Polling Rate
1000 Hz
Polling Rate
1000 Hz
Battery capacity
2000 mAh
Battery capacity
1550 mAh
Hall Effect Support
 
Hall Effect Support
 
QMK Support
 
QMK Support
 
VIA Support
 
VIA Support
 
VIAL Support
 
VIAL Support
 
N-Key Rollover
 
N-Key Rollover
 
Rapid Trigger
 
Rapid Trigger
 
Mount Style
PCB Mount
Mount Style
-
Screw in Stabilizers
 
Screw in Stabilizers
 
Sound Dampening
 
Sound Dampening
 
Backlight
 
Rgb, White
Backlight
 
Rgb, White, North-face
Case Colors
Case Colors
Case Material
ABS, Aluminum
Case Material
ABS, Wood
Keycaps Material
PBT
Keycaps Material
PBT
Dimensions
29 x 370 x 143 mm
Dimensions
20 x 319 x 126 mm
Weight
700g
Weight
566g
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Pros and Trade-offs

If ergonomics and productivity are your priorities, the Keychron K15 Max with its Alice layout and macro keys is a strong choice for office or creative work. If you need a lighter, more portable keyboard for travel or prefer a standard compact layout with a distinctive wooden frame, the Keychron K3 Max SE is the better fit. Both are excellent low-profile wireless keyboards with similar core performance, so your decision should hinge on layout preference and portability needs.

Keychron K15 Max

  • +Ergonomic Alice layout reduces wrist strain for comfortable long typing sessions.
  • +Includes extra M keys (macro keys) for programming shortcuts, accessible via QMK/VIA.
  • +Features advanced IXPE acoustic foam and latex foam for a quiet, responsive typing experience.
  • +Higher build quality score due to aluminum frame and redesigned stabilizers.
  • −Heavier at 700g and larger dimensions, making it less portable than the K3 Max SE.
  • −Limited to Gateron/Keychron low-profile mechanical switches for hot-swapping.
  • −Some users may find the Alice layout unfamiliar, requiring adjustment time.

Keychron K3 Max SE

  • +Lighter at 566g and more compact, ideal for users who travel or have limited desk space.
  • +Uses an aluminum plate for stable switch support and a unique wooden side frame for aesthetic appeal.
  • +Features EPDM acoustic foam and bottom case foam for a quiet, cushioned typing feel.
  • +Offers per-key RGB and Mix RGB lighting modes for advanced backlight customization.
  • −Standard 75% layout lacks the ergonomic benefits of an Alice or split design.
  • −No dedicated macro keys, relying solely on QMK/VIA for custom key assignments.
  • −Has a lower battery capacity at 1550mAh compared to the K15 Max's 2000mAh.

Which Keyboard Is Better for Your Needs?

The Keychron K15 Max wins in office, programming, and content creation use cases due to its ergonomic Alice layout and additional macro keys, which enhance comfort and productivity. The K3 Max SE takes the lead for travel with its lighter weight and smaller footprint. Both keyboards tie in gaming and modding because they share essential features like 1000 Hz polling, hot-swappable switches, and QMK/VIA support, with no decisive advantage for either scenario. The choice ultimately depends on whether you prioritize ergonomics and macro keys or portability and a compact design.

GamingTie
  • •Both offer a 1000 Hz polling rate over 2.4 GHz and wired connections for low latency.
  • •Both support N-Key Rollover for simultaneous key presses.
  • •The K15 Max has a slightly higher performance score, but the difference is minimal for most gamers.
  • •The K3 Max SE's compact layout may suit tighter gaming setups.
OfficeKeychron K15 Max
  • •The K15 Max's Alice layout promotes a more natural hand position, reducing strain during long typing sessions.
  • •It includes extra macro keys (M keys) that can be programmed for productivity shortcuts.
  • •The K15 Max has a higher productivity score, reflecting its feature set for office use.
ProgrammingKeychron K15 Max
  • •The Alice layout of the K15 Max provides better ergonomic support for prolonged coding sessions.
  • •It includes extra macro keys for assigning complex code snippets or IDE commands.
  • •Both keyboards support QMK and VIA for full key remapping, but the K15 Max's layout offers more flexibility for customizing navigation keys.
TravelKeychron K3 Max SE
  • •The K3 Max SE is significantly lighter at 566g compared to the K15 Max's 700g.
  • •Its smaller dimensions (20 x 319 x 126 mm) make it easier to slip into a bag than the K15 Max (29 x 370 x 143 mm).
  • •Both support 2.4 GHz and Bluetooth for on-the-go use, but the K3 Max SE is more portable.
ModdingTie
  • •Both keyboards are hot-swappable, allowing switch changes without soldering, though the K15 Max is limited to Gateron/Keychron low-profile mechanical switches.
  • •Both support open-source QMK firmware and VIA for extensive keymap and macro programming.
  • •The K3 Max SE uses a plate-mounted stabilizer, which can be easier to upgrade than the redesigned stabilizers on the K15 Max.
Content CreationKeychron K15 Max
  • •The K15 Max's macro keys provide quick access to editing shortcuts, improving workflow efficiency.
  • •Its Alice layout may reduce fatigue during long editing sessions.
  • •The K15 Max has a higher customizability score, which supports complex keymap configurations for creative software.

Frequently Asked Questions (FAQ)

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