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Head to head · Prices checked Nov 10, 2026

Nuphy Air75 V2 vs Ajazz AK820 ProLow-Profile vs Gasket Mount

Choose the Nuphy Air75 V2 for a premium low-profile experience and advanced firmware, or the Ajazz AK820 Pro for a budget-friendly gasket-mount build with a screen.

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Quick verdict

Which one should you get?

Get the

Nuphy Air75 V2

Low-Profile

Build quality in the top 15% of 75% boards under $100.

If you want

  • Official QMK and VIA support for deep, cross-platform key remapping and lighting control.
  • Low-profile design at 14mm tall with a 598g weight for portability and laptop compatibility.
  • Includes internal sound-dampening features like plate poron foam, IXPE foam, and spacebar silicone.

Rules this board out

  • Low-profile switches and keycaps only. Standard MX keycaps will not fit.
  • South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.

Get the

Ajazz AK820 Pro

Gasket Mount

Build quality in the top 30% of 75% boards under $100.

If you want

  • Lower cost than the Nuphy Air75 V2.
  • Features a 0.85-inch TFT screen for displaying time, battery status, and custom visuals.
  • Gasket-mounted design with a polycarbonate plate and flex-cut PCB for a cushioned typing feel.

Rules this board out

  • South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.

Bottom line

Your budget and primary typing preference dictate the choice here. For a premium, portable low-profile keyboard with unmatched software customization for macros and layers, the Nuphy Air75 V2 is worth the investment. If you want a more traditional, cushioned typing feel with a fun screen and knob at a much lower cost, and can forgo advanced firmware, the Ajazz AK820 Pro delivers exceptional value.

What actually differs

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.

Nuphy Air75 V2

Ajazz AK820 Pro

  • Low profile

    Yes

    No

  • Switch options

    Linear, Low-profile Mechanical, Tactile

    Linear

  • Knob

    No

    Yes

  • Display

    None

    TFT

    A case display rather than a typing feature

  • Weight

    598 g

    810 g

    Heavier boards stay planted and lighter ones travel

KeebFinder scores

How we score
  • Nuphy Air75 V2
  • Ajazz AK820 Pro
Performance
81
77
Build quality
79
75
Productivity
88
82
Customizability
94
72
Portability
79
79

What they share

  • Layout size: 75%
  • Connection: Bluetooth, 2.4 GHz, Wired
  • Hot-swappable
  • Battery: 4,000 mAh
  • Case material: ABS, Aluminum
  • Sound dampening
See every spec side by side

Best for

What will you mostly use it for?

The Nuphy Air75 V2 is the stronger choice for gaming, programming, travel, and modding due to its low-latency wireless, extensive firmware support, portable design, and sound-dampening construction. The Ajazz AK820 Pro wins for content creation with its included screen and knob. For general office use, both are capable, offering similar connectivity and battery life with different form factor appeals.

For gaming

Pick the Nuphy Air75 V2

  • The Nuphy Air75 V2 specifies a 1000Hz polling rate in its 2.4GHz and wired modes for low latency.
  • It includes low-profile switches like the Cowberry with a short 1.2mm pre-travel, which the manufacturer states enables rapid firing.
  • Its lighter weight of 598g and lower 14mm profile may be preferable for quick hand movements.

Full specs

Nuphy Air75 V2 vs Ajazz AK820 Pro specs

Every tracked spec, side by side. Rows marked with a dot differ between the boards.

10 of 27 specs differ

Nuphy Air75 V2

Ajazz AK820 Pro

Typing & switches

Switch options

Linear, Low-profile Mechanical, Tactile
Linear

Hot-swappable

Yes
Yes

Mount style

—
Gasket Mount

Low profile

Yes
No

Sound dampening

Yes
Yes

Layout

Layout size

75%
75%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Knob

No
Yes

Display

None
TFT

Media keys

Yes
No

Connectivity & battery

Connection

Bluetooth, 2.4 GHz, Wired
Bluetooth, 2.4 GHz, Wired

Max polling rate

1,000 Hz
—

Battery

4,000 mAh
4,000 mAh

USB-C

Yes
Yes

Build & materials

Case material

ABS, Aluminum
ABS, Aluminum

Plate material

Aluminum
Polycarbonate

Keycaps

PBT
PBT

Weight

598 g
810 g

Dimensions

14 x 316 x 133 mm
40 x 327 x 136 mm

Typing angle

9°
—

Backlight

RGB, south-facing
RGB, south-facing

Firmware & software

QMK

Yes
No

VIA

Yes
No

N-key rollover

Yes
Yes

Mac & Windows

Yes
Yes

Extras

Released

2023
2023

Where to buy

Compare prices

Live prices from the stores we track, cheapest in-stock offer first.

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Lowest price across stores, Amazon excluded.

FAQ

Nuphy Air75 V2 vs Ajazz AK820 Pro: your questions

The Nuphy Air75 V2 supports the open-source QMK and VIA firmware. This allows for deep, system-wide key remapping, macro creation, and lighting control directly through a browser. The Ajazz AK820 Pro uses proprietary driver software for its customization.

Yes. The Ajazz AK820 Pro is hot-swappable and supports both 3-pin and 5-pin mechanical switches, as stated in its technical specifications. This allows for a wide range of standard switch compatibility.

Yes. The Nuphy Air75 V2 lists compatibility with macOS and includes specific keycaps for Mac functions. Its vendor description also lists it as compatible with many MacBook models, fitting over the laptop's own keyboard due to its low profile.

The Ajazz AK820 Pro is designed for a pleasant typing experience. It features a gasket mount, a polycarbonate plate, flex-cut PCB and plate, and built-in sound dampening to reduce vibration and noise, according to its product description.

The Nuphy Air75 V2 is likely better for wireless gaming. Its specifications explicitly list a 1000Hz polling rate for its 2.4GHz wireless connection, which is important for low latency. The Ajazz AK820 Pro also lists a 1000Hz rate for its 2.4GHz mode.

According to its vendor page, the Nuphy Air75 V2 includes a USB-C cable, a 2.4G receiver, seven extra keycaps, four extra switches, a keycap/switch puller, a sticker set, and a quick guide. Optional accessories like wrist rests and carrying cases are sold separately.

The 0.85-inch TFT screen on the Ajazz AK820 Pro can display real-time information like battery status, date and time, connection mode, operating system, and customizable backlight effects, as described by the manufacturer.

Both keyboards use PBT plastic keycaps, which are more durable and resistant to shine than ABS. The Nuphy Air75 V2 uses double-shot PBT for its low-profile keycaps, while the Ajazz AK820 Pro uses double-shot PBT in an OEM profile.

Yes, the Nuphy Air75 V2 is hot-swappable. However, it is designed for low-profile switches (Gateron KS-33 style). You cannot use standard mechanical switches on it without adapters, which are not mentioned in the provided information.

Both keyboards have the same 4000mAh battery capacity. Actual battery life will depend on usage patterns like backlight brightness and connection mode. The Nuphy vendor page provides lab test estimates of 35-57 hours with lights on and up to 220 hours with lights off.

The product description for the Ajazz AK820 Pro confirms it has knob support. While the exact programmability is not detailed, knobs on similar keyboards are typically used for volume control by default and can often be remapped via software.

The Ajazz AK820 Pro may be more beginner-friendly due to its lower price point and plug-and-play nature with its screen and knob. The Nuphy Air75 V2's QMK/VIA support is powerful but has a steeper learning curve for advanced customization.

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