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Compare Ajazz AK820 Pro vs Keychron K5 Pro Differences Side by Side

This comparison is for buyers deciding between a modern compact keyboard and a full-size, low-profile workhorse. The Ajazz AK820 Pro offers a 75% layout with a TFT screen and gasket mount, while the Keychron K5 Pro provides a 100% layout with QMK/VIA support and a low-profile design. The decision hinges on whether you prioritize desk space savings and a unique display or a complete number pad with deep customization.

76
Ajazz AK820 Pro
88
Keychron K5 Pro QMK/VIA Wireless Custom Mechanical Keyboard ISO Layout Collection

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4.6 (737)
4.8 (8)
  • Has Linear switch options
  • Available in a 75% layout
  • Built with the ANSI layout standard
  • Comes with a knob
  • Includes a Yes, TFT display
  • Has built-in sound dampening
  • Uses a Gasket Mount mounting style
  • Supports Bluetooth, 2.4 GHz, Wired, Wireless connectivity
  • Equipped with a 4000 mAh battery
  • Weighs about 810 g
  • Sized at 40 x 327 x 136 mm
  • Made with a ABS, Aluminum case
  • Features PBT keycaps
  • Offers Yes, Rgb, South-face, Rgb South-face RGB lighting
  • Has Linear, Tactile, Clicky switch options
  • Features a low-profile design
  • Available in a 100% layout
  • Built with the ISO, ISO-DE, ISO-Nordic, ISO-UK, JIS, ISO-SW, ISO-FR, ISO-ES, ANSI layout standard
  • Includes a No display
  • Provides dedicated media keys
  • Supports QMK firmware
  • Supports VIA configuration
  • Uses a Tray Mount mounting style
  • Supports Bluetooth, Wired, Wireless connectivity
  • Runs at a 1000 Hz polling rate
  • Equipped with a 2000 mAh battery
  • Weighs about 720 g
  • Sized at 18 x 120 x 435 mm
  • Made with a Aluminum, Plastic, ABS case
  • Features ABS, PBT keycaps
  • Offers Yes, Rgb, North-face, Rgb North-face, White, White North-face RGB lighting
Scores
  • Performance: 60.5
  • Build Quality: 66.2
  • Productivity: 82.2
  • Customizability: 72.5
  • Portability: 79.2
Scores
  • Performance: 80.9
  • Build Quality: 79.7
  • Productivity: 79.7
  • Customizability: 88.9
  • Portability: 53.2
Name
Ajazz AK820 Pro
Name
Keychron K5 Pro
Release year
2023
Release year
2023
Switch Options
Linear
Switch Options
Linear, Tactile, Clicky
Profile
Normal Profile
Profile
Low Profile
Hot Swappable
 
Hot Swappable
 
Layout Size
75%
Layout Size
100%
Layout Standard
ANSI
Layout Standard
ISO, ISO-DE, ISO-Nordic, ISO-UK, JIS, ISO-SW, ISO-FR, ISO-ES, ANSI
Layout Ergonomics
Normal
Layout Ergonomics
Normal
Knob Support
 
Knob Support
 
Display Support
 
TFT
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, Wired, Wireless
Polling Rate
-
Polling Rate
1000 Hz
Battery capacity
4000 mAh
Battery capacity
2000 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
Gasket Mount
Mount Style
Tray Mount
Screw in Stabilizers
 
Screw in Stabilizers
 
Sound Dampening
 
Sound Dampening
 
Backlight
 
Rgb, South-face
Backlight
 
Rgb, North-face, White
Case Colors
Case Colors
Case Material
ABS, Aluminum
Case Material
Aluminum, Plastic, ABS
Keycaps Material
PBT
Keycaps Material
ABS, PBT
Dimensions
40 x 327 x 136 mm
Dimensions
18 x 120 x 435 mm
Weight
810g
Weight
720g
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Pros and Trade-offs

Select the Ajazz AK820 Pro if you want a space-saving keyboard with a unique screen, a flexy gasket-mount feel, and longer battery life. Choose the Keychron K5 Pro if you need a full-size layout with a number pad, deep QMK/VIA programmability, low-profile keys, and support for multiple regional layouts. Your primary need for either compactness or a complete key set dictates the best choice.

Ajazz AK820 Pro

  • +Includes a 0.85-inch TFT screen for displaying system info and customization.
  • +Uses a gasket mount with a flex-cut PC plate and PCB for a cushioned typing feel.
  • +Larger 4000mAh battery capacity for extended wireless use.
  • +Compact 75% layout saves significant desk space.
  • +South-facing RGB LEDs are compatible with more aftermarket keycap sets.
  • −Only available in an ANSI layout, lacking ISO options.
  • −Case is primarily ABS plastic with an aluminum accent, not full aluminum.
  • −Switch options are limited to linear types in the provided configurations.

Keychron K5 Pro

  • +Supports QMK and VIA firmware for extensive programmability and remapping.
  • +Available in a wide array of layouts including ANSI, ISO, JIS, and multiple European ISO variants.
  • +Offers low-profile switches and keycaps for an ultra-slim typing experience.
  • +Includes adjustable typing angles for ergonomic wrist support.
  • +Hot-swappable for Gateron low-profile mechanical switches (on select versions).
  • −Larger 100% footprint requires more desk space.
  • −Smaller 2000mAh battery capacity.
  • −Low-profile design limits switch compatibility to specific Gateron low-profile models.

Which Keyboard Is Better for Your Needs?

The Keychron K5 Pro is the stronger choice for traditional office work, programming, and gaming due to its full-size layout and high polling rate. The Ajazz AK820 Pro wins for travel and portability with its compact size and larger battery. For modding, the K5 Pro's QMK/VIA support is a significant advantage, while content creators might value the Ajazz's knob or the Keychron's expansive layout equally.

GamingKeychron K5 Pro
  • •The Keychron K5 Pro lists a 1000 Hz polling rate in wired mode for lower latency.
  • •Its full-size layout includes all number keys and function row without layers.
  • •The vendor page states its 1000 Hz polling rate is engineered for competitive gaming.
OfficeKeychron K5 Pro
  • •The Keychron K5 Pro's 100% layout includes a dedicated number pad for data entry.
  • •It offers adjustable typing angles for ergonomic support.
  • •Its vendor description highlights seamless multitasking across three Bluetooth devices.
ProgrammingKeychron K5 Pro
  • •The Keychron K5 Pro supports QMK and VIA firmware for deep key remapping and macros.
  • •Its full layout provides dedicated arrow and navigation keys.
  • •The vendor page states the open-source QMK firmware allows for endless possibilities for shortcuts.
TravelAjazz AK820 Pro
  • •The Ajazz AK820 Pro has a smaller 75% footprint (327 x 136 mm vs 435 x 120 mm).
  • •It includes a larger 4000mAh battery compared to the K5 Pro's 2000mAh.
  • •Its compact design is described by the vendor as perfectly portable.
ModdingKeychron K5 Pro
  • •The Keychron K5 Pro explicitly supports QMK and VIA for extensive firmware customization.
  • •It is hot-swappable for Gateron low-profile mechanical switches.
  • •The vendor page details redesigned stabilizers for less wobble on large keys.
Content CreationTie
  • •The Ajazz AK820 Pro includes a programmable knob for media or parameter control.
  • •The Keychron K5 Pro's full layout offers more immediate shortcut keys.
  • •Both keyboards feature RGB backlighting for visual setup customization.

Frequently Asked Questions (FAQ)

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