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Head to head · Prices checked Oct 29, 2026

Redragon EISA MAX K686 vs Yunzii B75 Pro Max

Get the Yunzii B75 Pro Max for qmk and via.

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Quick verdict

Which one should you get?

Get the

Redragon EISA MAX K686

Get the

Yunzii B75 Pro Max

QMK

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

Rules this board out

  • South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.
  • No numpad.

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.

Redragon EISA MAX K686

Yunzii B75 Pro Max

  • Layout size

    90%

    75%

  • Display

    None

    TFT

    A case display rather than a typing feature

  • Weight

    1,200 g

    993 g

    Heavier boards stay planted and lighter ones travel

  • QMK

    No

    Yes

    The deep option when you want to remap every key

  • VIA

    No

    Yes

    GUI remapping without compiling firmware

KeebFinder scores

How we score
  • Redragon EISA MAX K686
  • Yunzii B75 Pro Max
Performance
67
84
Build quality
63
80
Productivity
84
73
Customizability
67
88
Portability
52
90

What they share

  • Connection: Bluetooth, 2.4 GHz, Wired
  • Hot-swappable
  • Switch options: Linear
  • Mount style: Gasket Mount
  • Knob
  • Keycaps: PBT
See every spec side by side

Full specs

Redragon EISA MAX K686 vs Yunzii B75 Pro Max specs

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

11 of 22 specs differ

Redragon EISA MAX K686

Yunzii B75 Pro Max

Typing & switches

Switch options

Linear
Linear

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
Gasket Mount

Sound dampening

Yes
No

Layout

Layout size

90%
75%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Knob

Yes
Yes

Display

None
TFT

Connectivity & battery

Connection

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

Battery

—
8,000 mAh

USB-C

Yes
Yes

Build & materials

Case material

Plastic
—

Keycaps

PBT
PBT

Weight

1,200 g
993 g

Dimensions

90 x 430 x 90 mm
42 x 334 x 144 mm

Backlight

RGB
RGB, south-facing

Firmware & software

QMK

No
Yes

VIA

No
Yes

N-key rollover

No
Yes

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.

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