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Head to head · Prices checked Nov 12, 2026

Ajazz AK820 Max vs AULA Nova75Switches or Battery

Choose the Ajazz AK820 Max for Hall Effect magnetic switches and hot-swap flexibility, or the AULA Nova75 for its larger listed battery and multiple plate materials.

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Quick verdict

Which one should you get?

Get the

Ajazz AK820 Max

Hall effect

Build quality in the top 45% of 75% boards under $100.

If you want

  • Hall Effect magnetic linear switches.
  • Three listed connection modes: Bluetooth, 2.4 GHz, and wired.
  • TFT screen, knob support, RGB, and USB-C.

Rules this board out

  • Magnetic switches only. Standard MX switches will not fit.

Get the

AULA Nova75

Battery

Build quality in the bottom 5% of 75% boards under $100.

If you want

  • Listed 10,000mAh battery.
  • Plate materials listed as polycarbonate, FR4, and carbon fiber.
  • 75% ANSI layout with PBT keycaps and RGB.

Rules this board out

  • Switches are soldered. Swapping them means soldering.

Bottom line

Choose the Ajazz AK820 Max if you want Hall Effect magnetic switches, a TFT screen, and hot-swap support, while keeping in mind that standard MX switches will not fit. Choose the AULA Nova75 if its larger listed battery and plate-material choices matter more, and you are comfortable with soldered switches. The AK820 Max is the more feature-specific option, while the Nova75's clearest metadata advantage is battery capacity.

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.

Ajazz AK820 Max

AULA Nova75

  • Hall effect (magnetic)

    Yes

    No

    Adjustable actuation helps in games and not in normal typing

  • Hot-swappable

    Yes

    No

    Switch changes without soldering

  • Battery

    4,000 mAh

    10,000 mAh

    A larger battery means fewer cables during the day

  • Knob

    Yes

    No

  • Display

    TFT

    None

    A case display rather than a typing feature

KeebFinder scores

How we score
  • Ajazz AK820 Max
  • AULA Nova75
Performance
75
43
Build quality
69
37
Productivity
85
43
Customizability
75
45
Portability
81
67

What they share

  • Layout size: 75%
  • Keycaps: PBT
See every spec side by side

Best for

What will you mostly use it for?

The AK820 Max leads in most feature-focused categories, especially where its screen, knob, Hall Effect switches, and hot-swap support are useful. The Nova75 is the travel pick based on its larger listed battery, though its weight and connectivity are not specified in the metadata. For customization, note that the AK820 Max accepts magnetic switches only, while the Nova75 requires soldering to replace switches. Both share a 75% ANSI layout and PBT keycaps.

For gaming

Pick the Ajazz AK820 Max

  • The AK820 Max has Hall Effect magnetic linear switches.
  • It supports Bluetooth, 2.4 GHz, and wired connections.
  • The Nova75 is listed as a pre-built keyboard with soldered switches.

Full specs

Ajazz AK820 Max vs AULA Nova75 specs

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

10 of 21 specs differ

Ajazz AK820 Max

AULA Nova75

Typing & switches

Switch options

Linear, Magnetic
—

Hall effect (magnetic)

Yes
No

Hot-swappable

Yes
No

Mount style

Gasket Mount
—

Sound dampening

Yes
No

Layout

Layout size

75%
75%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Knob

Yes
No

Display

TFT
None

Connectivity & battery

Connection

Bluetooth, 2.4 GHz, Wired
—

Battery

4,000 mAh
10,000 mAhBetter

USB-C

Yes
No

Build & materials

Case material

ABS, PBT
—

Plate material

FR4
CarbonFiber, FR4, Polycarbonate

Keycaps

PBT
PBT

Weight

850 g
—

Dimensions

20 x 333 x 143 mm
—

Backlight

RGB
RGB

Firmware & software

Mac & Windows

Yes
No

Extras

Released

2024
2025

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.

AULA Nova752 stores

FAQ

Ajazz AK820 Max vs AULA Nova75: your questions

The AK820 Max is the more feature-directed gaming choice, with Hall Effect magnetic linear switches and Bluetooth, 2.4 GHz, and wired connectivity listed. The Nova75 is also described by its vendor as a gaming keyboard, but its metadata lists soldered switches.

Yes, the AK820 Max is listed with Hall Effect magnetic linear switches. Its compatibility rule specifies magnetic switches only, so standard MX switches will not fit.

The Nova75 metadata says its switches are soldered, and replacing them means soldering. Although the vendor description mentions hot-swappable sockets, that conflicts with the product metadata, so verify the exact version before buying if switch swapping is essential.

The AK820 Max is listed as hot-swappable. Its sockets accept magnetic switches only, not standard MX switches.

The AULA Nova75 is listed with a 10,000mAh battery, while the AK820 Max is listed with a 4,000mAh battery. These capacities do not establish actual runtime.

The Nova75 metadata lists no screen. The vendor description mentions a display, but this conflicts with the metadata, so check the precise model or version with the seller.

Yes, its metadata lists a TFT screen and knob support. The Nova75 metadata lists no screen, and does not list knob support.

The AK820 Max offers hot-swapping, but only for magnetic switches. The Nova75 is listed with soldered switches, so changing them requires soldering; its metadata lists polycarbonate, FR4, and carbon fiber plate materials.

Yes, both are listed as 75% keyboards with ANSI layouts. Both also have PBT keycaps.

The Nova75 has the larger listed battery at 10,000mAh, compared with 4,000mAh for the AK820 Max. The AK820 Max is listed at 850g, but the Nova75's weight is not specified, so the battery alone does not determine which is easier to carry.

Yes, its metadata lists Bluetooth and 2.4 GHz wireless, as well as wired connectivity. The vendor description also describes switching among wireless, Bluetooth, and wired modes.

The Nova75 metadata lists polycarbonate, FR4, and carbon fiber plate materials. The AK820 Max is listed with an FR4 plate.

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