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Head to head · Prices checked Nov 2, 2026

Firstblood B21 vs Weikav Nut65

Get the Weikav Nut65 for hot-swappable and qmk.

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Quick verdict

Which one should you get?

Get the

Firstblood B21

Build quality in the bottom 30% of 65% boards under $100.

Rules this board out

  • Switches are soldered. Swapping them means soldering.

Get the

Weikav Nut65

Hot-swappable

Build quality in the top 10% of 65% boards under $100.

Rules this board out

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

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.

Firstblood B21

Weikav Nut65

  • Connection

    Bluetooth, Wired

    Bluetooth, 2.4 GHz, Wired

    Wireless for several devices and wired for lower latency

  • Hot-swappable

    No

    Yes

    Switch changes without soldering

  • Weight

    818 g

    1,120 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
  • Firstblood B21
  • Weikav Nut65
Performance
56
74
Build quality
53
85
Productivity
54
82
Customizability
46
91
Portability
83
94

What they share

  • Layout size: 65%
  • Case material: Aluminum
  • Switch options: Clicky, Linear, Tactile
See every spec side by side

Full specs

Firstblood B21 vs Weikav Nut65 specs

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

9 of 24 specs differ

Firstblood B21

Weikav Nut65

Typing & switches

Switch options

Clicky, Linear, Tactile
Clicky, Linear, Tactile

Hot-swappable

No
Yes

Mount style

—
Gasket Mount

Sound dampening

No
Yes

Layout

Layout size

65%
65%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Display

None
None

Connectivity & battery

Connection

Bluetooth, Wired
Bluetooth, 2.4 GHz, Wired

Max polling rate

—
1,000 Hz

Battery

—
6,000 mAh

USB-C

Yes
Yes

Build & materials

Case material

Aluminum
Aluminum

Plate material

—
FR4

Keycaps

PBT
—

Weight

818 g
1,120 g

Dimensions

46 x 148 x 317 mm
20 x 314 x 113 mm

Typing angle

7°
—

Backlight

White
RGB, south-facing

Firmware & software

QMK

No
Yes

VIA

No
Yes

N-key rollover

Yes
Yes

Mac & Windows

Yes
Yes

Extras

Released

2024
2025

Where to buy

Compare prices

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

Prices in USD are converted to your currency and can change at any time. KeebFinder may earn a commission when you buy through these links, at no extra cost to you.

Lowest price across stores, Amazon excluded.

Weikav Nut653 stores

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