Head to head · Prices checked Nov 10, 2026

Keychron K4 V2 vs Royal Kludge S98 JP

Get the Keychron K4 V2 for the 4,000 mAh battery. Get the Royal Kludge S98 JP for knob.

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Battery

Keychron K4 V2

Keychron K4 Kabellose Mechanische Tastatur (German ISO-DE Layout) - Version 2

4.8 (1,198)4.8 · 1,198 reviews

from$59at Keychron

90-day lowLowest price in 90 days

Compare 4 stores

Knob

Royal Kludge S98 JP

No reviews

from$109at Royal Kludge

Compare 2 stores

Quick verdict

Which one should you get?

Get the

Keychron K4 V2

Battery

Build quality in the top 40% of 96% boards under $100.

Rules this board out

North-facing LEDs. Cherry-profile keycaps can hit the switch housing.

$59 at Keychron

Get the

Royal Kludge S98 JP

Knob

Build quality in the top 40% of 96% boards under $150.

Rules this board out

No ISO layout. ISO-DE, UK, and other ISO variants are not offered.

$109 at Royal Kludge

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 K4 V2

Royal Kludge S98 JP

Connection
Bluetooth, Wired
Bluetooth, 2.4 GHz, Wired
Wireless for several devices and wired for lower latency
Battery
4,000 mAh
3,750 mAh
A larger battery means fewer cables during the day
Mount style
Plate Mount, Tray Mount
Top Mount
Knob
No
Yes
Display
None
LCD
A case display rather than a typing feature

KeebFinder scores

How we score

Keychron K4 V2
Royal Kludge S98 JP

Performance: 63
78
Build quality: 69
70
Productivity: 67
91
Customizability: 70
79
Portability: 55
57

What they share

Layout size: 96%
Hot-swappable
Keycaps: ABS

See every spec side by side

Full specs

Keychron K4 V2 vs Royal Kludge S98 JP specs

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

13 of 26 specs differ

Spec

Keychron K4 V2

Royal Kludge S98 JP

Typing & switches

Switch options

Clicky, Linear, Tactile

—

Hot-swappable

Yes

Mount style

Plate Mount, Tray Mount

Top Mount

Sound dampening

Yes

Screw-in stabilizers

Yes

Layout

Layout size

96%

Layout standard

ANSI, ISO, ISO-DE, ISO-ES, ISO-Nordic, ISO-UK, JIS

JIS

Ergonomics

Standard

Knob

Yes

Display

None

LCD

Media keys

Yes

Connectivity & battery

Connection

Bluetooth, Wired

Bluetooth, 2.4 GHz, Wired

Max polling rate

1,000 Hz

—

Battery

4,000 mAhBetter

3,750 mAh

USB passthrough

Yes

USB-C

Yes

Build & materials

Case material

ABS, Aluminum, Plastic

—

Plate material

Aluminum, Plastic

—

Keycaps

ABS

Weight

—

1,880 g

Dimensions

—

140 x 410 x 40 mm

Typing angle

—

5°

Backlight

RGB, north-facing

RGB

Firmware & software

N-key rollover

Yes

Mac & Windows

Yes

Extras

Released

2020

2025

For EU buyers

ISO layouts by store

Which stores sell ISO-DE, UK, and the other regional layouts.

Keychron K4 V2

Keychron
ISO-UK
Out of stockShips to you
Keychron
ISO-DE
Out of stockShips to you
Keychron
ISO-Nordic
Out of stockShips to you
Keychron (DE)
ISO-DE
Out of stockDoes not ship to you
Keychron (DE)
ISO-UK
Out of stockDoes not ship to you
Keychron (DE)
ISO-ES
Out of stockDoes not ship to you

Royal Kludge S98 JP

No ISO layout at the stores we track.

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 K4 V24 stores