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Head to head · Prices checked Oct 28, 2026

Keychron B40 vs Redragon TL84

Get the Keychron B40 for knob. Get the Redragon TL84 for hot-swappable.

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Quick verdict

Which one should you get?

Get the

Keychron B40

Knob

Build quality in the bottom 15% of 75% boards under $50.

Rules this board out

  • Switches are soldered. Swapping them means soldering.
  • Low-profile switches and keycaps only. Standard MX keycaps will not fit.

Get the

Redragon TL84

Hot-swappable

Build quality in the bottom 10% of 75% boards under $100.

Rules this board out

  • Low-profile switches and keycaps only. Standard MX keycaps will not fit.

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.

Keychron B40

Redragon TL84

  • Hot-swappable

    No

    Yes

    Switch changes without soldering

  • Ergonomics

    Alice

    Standard

  • Case material

    ABS

    Aluminum

  • Switch options

    Clicky, Linear, Tactile

    Clicky, Linear

  • Knob

    Yes

    No

KeebFinder scores

How we score
  • Keychron B40
  • Redragon TL84
Performance
53
58
Build quality
46
44
Productivity
81
65
Customizability
46
58
Portability
78
77

What they share

  • Layout size: 75%
  • Connection: Bluetooth, 2.4 GHz, Wired
  • Low profile
See every spec side by side

Full specs

Keychron B40 vs Redragon TL84 specs

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

10 of 21 specs differ

Keychron B40

Redragon TL84

Typing & switches

Switch options

Clicky, Linear, Tactile
Clicky, Linear

Hot-swappable

No
Yes

Low profile

Yes
Yes

Layout

Layout size

75%
75%

Layout standard

ANSI
ANSI

Ergonomics

Alice
Standard

Knob

Yes
No

Display

None
None

Connectivity & battery

Connection

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

Max polling rate

1,000 Hz
—

Battery

800 mAh
—

USB-C

Yes
Yes

Build & materials

Case material

ABS
Aluminum

Keycaps

ABS
PBT

Weight

595 g
460 g

Dimensions

—
24 x 127 x 322 mm

Typing angle

7°
—

Backlight

None
RGB

Firmware & software

N-key rollover

No
Yes

Mac & Windows

Yes
Yes

Extras

Released

2026
2023

Where to buy

Compare prices

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

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Keychron B402 stores

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