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Head to head · Prices checked Nov 10, 2026

Keychron K3 V3 vs K3 V2

Choose the K3 V3 if you need QMK/VIA programmability and improved acoustics; the K3 V2 works well for a more budget-friendly low-profile experience.

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Quick verdict

Which one should you get?

Get the

Keychron K3 V3

QMK

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

If you want

  • Full QMK and VIA support via the Keychron Launcher web app for limitless key remapping and macros.
  • Enhanced acoustic experience with IXPE, EPDM, and latex foam layers as per the vendor description.
  • Redesigned stabilizers for improved reliability and less wobble on larger keys like the space bar.

Rules this board out

  • Low-profile switches and keycaps only. Standard MX keycaps will not fit.
  • North-facing LEDs. Cherry-profile keycaps can hit the switch housing.
  • Missing ISO-ES. The other board is sold in those layouts.

Get the

Keychron K3 V2

Build quality in the bottom 50% of 75% boards under $150.

If you want

  • Uses low-profile Keychron Optical switches, which are not compatible with the V3's mechanical switch sockets.
  • Lower entry price compared to the V3 based on vendor pricing.
  • Built-in Bluetooth 5.1 chipset for wireless connectivity as per the vendor.

Rules this board out

  • Low-profile switches and keycaps only. Standard MX keycaps will not fit.
  • North-facing LEDs. Cherry-profile keycaps can hit the switch housing.
  • Missing ISO-SW. The other board is sold in those layouts.

Bottom line

For most users, the Keychron K3 V3 is the stronger choice due to its QMK/VIA programmability, improved acoustics with multiple foam layers, and higher wired polling rate. It is the better option for anyone who values customization, a quieter typing experience, or gaming performance. The K3 V2 is a more affordable low-profile keyboard that works well out of the box, but its lack of software support and older optical switch ecosystem make it a weaker long-term investment for power users.

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 K3 V3

Keychron K3 V2

  • Case material

    ABS, Aluminum

    Aluminum, Plastic

  • Mount style

    PCB Mount, Plate Mount, Top Mount

    Tray Mount

  • QMK

    Yes

    No

    The deep option when you want to remap every key

  • VIA

    Yes

    No

    GUI remapping without compiling firmware

  • Layout standard

    ANSI, ISO, ISO-DE, ISO-Nordic, ISO-SW, ISO-UK

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

    ISO and JIS exist so regional layouts fit

KeebFinder scores

How we score
  • Keychron K3 V3
  • Keychron K3 V2
Performance
82
63
Build quality
82
65
Productivity
80
65
Customizability
89
68
Portability
77
80

What they share

  • Layout size: 75%
  • Connection: Bluetooth, Wired
  • Hot-swappable
  • Battery: 1,550 mAh
  • Low profile
  • Switch options: Clicky, Linear, Tactile
See every spec side by side

Best for

What will you mostly use it for?

In almost every category, the Keychron K3 V3 takes the lead over the V2 thanks to its advanced programmability, better acoustic design, and higher wired polling rate. For travel, they tie due to identical battery and form factor. The V3's QMK/VIA support is the defining advantage for office, programming, and content creation workflows, while its acoustic foams and superior stabilizers give it a clear edge for modding and general typing comfort. The V2, lacking these features, is best suited for users who want a simple low-profile experience without needing software customization.

For gaming

Pick the Keychron K3 V3

  • 1000 Hz polling rate in wired mode is explicitly stated for the V3, while the V2's polling rate is not mentioned.
  • The V3's ARM architecture MCU with 256KB Flash offers more processing power for low latency as per the vendor.
  • QMK firmware allows for custom macros and keybinds, useful for in-game commands.

Full specs

Keychron K3 V3 vs K3 V2 specs

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

8 of 25 specs differ

Keychron K3 V3

Keychron K3 V2

Typing & switches

Switch options

Clicky, Linear, Tactile
Clicky, Linear, Tactile

Hot-swappable

Yes
Yes

Mount style

PCB Mount, Plate Mount, Top Mount
Tray Mount

Low profile

Yes
Yes

Layout

Layout size

75%
75%

Layout standard

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

Ergonomics

Standard
Standard

Display

None
None

Media keys

Yes
Yes

Connectivity & battery

Connection

Bluetooth, Wired
Bluetooth, Wired

Max polling rate

1,000 Hz
—

Battery

1,550 mAh
1,550 mAh

USB-C

Yes
Yes

Build & materials

Case material

ABS, Aluminum
Aluminum, Plastic

Plate material

Aluminum
—

Keycaps

ABS, PBT
ABS

Weight

540 g
—

Dimensions

19 x 306 x 116 mm
—

Typing angle

3°
—

Backlight

RGB, north-facing
RGB, north-facing

Firmware & software

QMK

Yes
No

VIA

Yes
No

N-key rollover

Yes
No

Mac & Windows

Yes
Yes

Extras

Released

2024
2020

For EU buyers

ISO layouts by store

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

Keychron K3 V3

  • Keychron

    ISO-DE, ISO-UK, ISO-Nordic, ISO-SW

    In stockShips to you

  • Keychron (DE)

    ISO-DE, ISO-UK, ISO-SW

    In stockDoes not ship to you

Keychron K3 V2

  • Keychron

    ISO-ES

    Out of stockShips to you

  • 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

    In stockDoes not ship to you

  • Keychron (DE)

    ISO-ES

    Out of stockDoes not ship to you

  • Keychron (DE)

    ISO-UK

    Out of stockDoes not ship to you

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.

FAQ

Keychron K3 V3 vs K3 V2: your questions

Yes, the vendor description confirms that the K3 V3 supports QMK firmware and the Keychron Launcher web app. Since the Launcher is based on VIA, it allows for key remapping and macro creation through an internet browser, compatible with macOS, Windows, and Linux.

No, the vendor states that the K3 V3 is only compatible with Keychron Milk POM switches or Gateron/Keychron low-profile mechanical switches. Standard Cherry MX switches are not designed for the ultra-slim low-profile form factor and will not fit.

The vendor description for the K3 V3 specifies Bluetooth 5.2, while the K3 V2 is listed with Bluetooth 5.1. Both versions support connecting to up to 3 devices wirelessly, but the V3's newer version may offer slight improvements in range or power efficiency.

The vendor description for the K3 V2 does not mention any internal acoustic foam layers. In contrast, the K3 V3 specifically lists IXPE foam, EPDM foam, and latex foam for enhanced sound dampening and key switch support.

Yes, the vendor for the K3 V3 explicitly states that the stabilizers have been redesigned to improve reliability and reduce wobble on larger keys. The K3 V2's description mentions MX-styled stabilizers but does not highlight a redesign.

The K3 V3 is better for programming due to its QMK/VIA support, which allows for custom keymaps, layers, and macros directly from a web browser. The K3 V2 lacks any software-based customization, limiting its usefulness for complex coding workflows.

No, the K3 V2 uses low-profile Keychron Optical switches, which are not interchangeable with the mechanical switches used in the K3 V3. The vendor for the V3 states it is only compatible with low-profile mechanical switches from Gateron or Keychron.

The K3 V3 comes with LSA profile (low-profile spherical angle) shine-through ABS keycaps as per the vendor. The V2 also uses ABS keycaps, but the profile is not explicitly named in its description.

Yes, the vendor states the K3 V3 offers three levels of adjustable typing angle: 2.5 degrees, 4.2 degrees, and 6.5 degrees. The K3 V2 has two-level adjustable rubber feet, providing fewer ergonomic options.

The vendor description and metadata for the K3 V2 do not provide any polling rate information for wired or wireless modes. In contrast, the K3 V3 is stated to have a 1000 Hz polling rate in wired mode and 90 Hz in Bluetooth mode.

The K3 V3 is likely quieter due to its enhanced acoustic foam layers, including IXPE foam, which the vendor describes as improving comfort and durability. The V2's vendor description does not mention any internal foam for sound dampening.

Yes, the vendor for the K3 V3 states that the Keychron Launcher web app is compatible with Linux, allowing full customization on that platform. The K3 V2's vendor mentions a dedicated user group for Linux support but does not guarantee the same level of software compatibility.

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