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Head to head · Prices checked Oct 23, 2026

Epomaker TH99 vs Keychron K4 V3

Get the Keychron K4 V3 for qmk.

EPOMAKER TH99

Epomaker TH99

5.0 · 47 reviews

from$82at Epomaker

Shop nowSee all prices
Keychron K4 QMK Wireless Mechanical Keyboard (ISO Layout) - Version 3

QMK

Keychron K4 V3

5.0 · 4 reviews

from$94at Keychron

Shop nowCompare 2 stores

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.

Epomaker TH99

Keychron K4 V3

  • Connection

    Bluetooth, 2.4 GHz, Wired

    Bluetooth, Wired

  • Case material

    ABS

    Aluminum, Plastic

  • Switch options

    Linear, Silent

    Clicky, Linear, Tactile

  • Mount style

    Gasket Mount

    Tray Mount

  • QMK

    No

    Yes

KeebFinder scores

How we score
  • Epomaker TH99
  • Keychron K4 V3
Performance
75
82
Build quality
61
87
Productivity
77
95
Customizability
60
96
Portability
54
54

What they share

  • Layout size: 96%
  • Hot-swappable
  • Battery: 4,000 mAh
  • Max polling rate: 1,000 Hz
  • Sound dampening
See every spec side by side

From real owners

What owners say

Ratings and quotes collected from verified store reviews, including the critical ones.

Epomaker TH99

5.0

47 owner reviews

Praise
“This keyboard is of very good quality, robust, its keys are pleasant to press and its versatility as it can be connected to various devices makes it perfect.”
Diana P.Verified buyer· via Epomaker

Keychron K4 V3

5.0

4 owner reviews

Praise
“I am overall extremely impressed with this keyboard! I upgraded from a Corsair K70 Luxe that I had for many years, and this feels like miles better of an experience. I am impressed how good the Banana switches are, they are a little more tactile than the…”
Nick M.Verified buyer· via Keychron

Full specs

Epomaker TH99 vs Keychron K4 V3 specs

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

10 of 26 specs differ

Epomaker TH99

Keychron K4 V3

Typing & switches

Switch options

Linear, Silent
Clicky, Linear, Tactile

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
Tray Mount

Sound dampening

Yes
Yes

Screw-in stabilizers

No
Yes

Layout

Layout size

96%
96%

Layout standard

ANSI
ANSI, ISO, ISO-CH, ISO-DE, ISO-Nordic, ISO-UK

Ergonomics

Standard
Standard

Display

None
None

Media keys

No
Yes

Connectivity & battery

Connection

Bluetooth, 2.4 GHz, Wired
Bluetooth, Wired

Max polling rate

1,000 Hz
1,000 Hz

Battery

4,000 mAh
4,000 mAh

USB-C

Yes
Yes

Build & materials

Case material

ABS
Aluminum, Plastic

Plate material

Plastic
—

Keycaps

PBT
PBT, PC

Weight

2,000 g
—

Dimensions

20 x 402 x 303 mm
—

Typing angle

—
5°

Backlight

RGB, south-facing
RGB, south-facing

Firmware & software

QMK

No
Yes

VIA

No
Yes

N-key rollover

Yes
Yes

Mac & Windows

Yes
Yes

Extras

Released

2025
2025

Where to buy

Compare prices

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

Lowest price across stores, Amazon excluded.

  • EpomakerUS

    In stock
    $82Visit
  • AmazonGlobal

    Check price
    Visit
  • KeychronHK

    In stock
    $94Visit
  • Keychron (DE)DE

    In stock
    $130Visit
  • AmazonGlobal

    Check price
    ~$94Visit

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