Head to head · Prices checked Oct 28, 2026

Keychron J4 vs VALKYRIE VK99

Get the VALKYRIE VK99 for the 8,000 mAh battery and knob.

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from$59at Keychron

Battery

from$99at Mechkeys

Quick verdict

Which one should you get?

Get the

Keychron J4

Build quality in the top 25% of 80% boards under $100.

Rules this board out

North-facing LEDs. Cherry-profile keycaps can hit the switch housing.
No numpad.

$59 at Keychron

Get the

VALKYRIE VK99

Battery

Build quality in the top 45% of 96% boards under $100.

Rules this board out

Compact full-size layout. The numpad is present, the gaps of a full-size board are not.

$99 at Mechkeys

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 J4

VALKYRIE VK99

Layout size
80%
96%
Connection
Bluetooth, 2.4 GHz, Wired
Wireless
Wireless for several devices and wired for lower latency
Battery
4,000 mAh
8,000 mAh
A larger battery means fewer cables during the day
Knob
No
Yes
Display
None
TFT
A case display rather than a typing feature

KeebFinder scores

How we score

Keychron J4
VALKYRIE VK99

Performance: 82
46
Build quality: 72
66
Productivity: 90
70
Customizability: 89
73
Portability: 73
58

What they share

Hot-swappable
Sound dampening
Keycaps: PBT

See every spec side by side

Full specs

Keychron J4 vs VALKYRIE VK99 specs

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

14 of 27 specs differ

Spec

Keychron J4

VALKYRIE VK99

Typing & switches

Switch options

Clicky, Linear, Tactile

—

Hot-swappable

Yes

Mount style

—

Gasket Mount

Sound dampening

Yes

Screw-in stabilizers

Yes

Layout

Layout size

80%

96%

Layout standard

ANSI

Ergonomics

Standard

Knob

Yes

Display

None

TFT

Media keys

Yes

Connectivity & battery

Connection

Bluetooth, 2.4 GHz, Wired

Wireless

Max polling rate

1,000 Hz

—

Battery

4,000 mAh

8,000 mAhBetter

USB-C

Yes

Build & materials

Case material

ABS

—

Plate material

Steel

—

Keycaps

PBT

Weight

870 g

—

Dimensions

38 x 366 x 138 mm

—

Typing angle

10°

—

Backlight

RGB, north-facing

RGB

Firmware & software

QMK

Yes

VIA

Yes

N-key rollover

Yes

Mac & Windows

Yes

Extras

Released

2025

2024

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.

Keychron J43 stores