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Head to head · Prices checked Oct 29, 2026

Keychron K1 V6 vs K3 V2TKL vs 75% Low Profile

Choose the Keychron K1 V6 for its superior performance, QMK/VIA support, and flexible connectivity, or pick the K3 V2 if a lower price and a more compact 75% layout are your priorities.

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Quick verdict

Which one should you get?

Get the

Keychron K1 V6

TKL

Build quality in the top 15% of 80% boards under $100.

If you want

  • QMK and VIA support via the Keychron Launcher web app for deep customization.
  • Tri-mode connectivity with Bluetooth 5.2, wired, and 2.4 GHz options.
  • 1000 Hz polling rate on wired mode and 90 Hz on wireless for responsive gaming.

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.
  • No numpad.

Get the

Keychron K3 V2

75% Low Profile

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

If you want

  • More compact 75% layout saves desk space and is easier to pack.
  • Available at a lower typical starting price point than the K1 V6.
  • Features a world's-first hot-swappable low profile Optical switch option.

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.
  • No numpad.

Bottom line

The Keychron K1 V6 is the superior choice for users who prioritize performance, programmability, and typing acoustics. Its QMK/VIA support, tri-mode connectivity including 2.4 GHz, and enhanced foams make it a more capable tool for gaming and productivity. Choose the K3 V2 if you are strictly looking for the most compact and budget-friendly ultra-slim keyboard and do not need advanced firmware features.

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 K1 V6

Keychron K3 V2

  • Layout size

    80%

    75%

  • Battery

    2,000 mAh

    1,550 mAh

    A larger battery means fewer cables during the day

  • Case material

    ABS, Aluminum

    Aluminum, Plastic

  • Mount style

    Top Mount

    Tray Mount

  • QMK

    Yes

    No

    The deep option when you want to remap every key

KeebFinder scores

How we score
  • Keychron K1 V6
  • Keychron K3 V2
Performance
82
63
Build quality
79
65
Productivity
80
66
Customizability
88
68
Portability
73
80

What they share

  • Connection: Bluetooth, Wired
  • Hot-swappable
  • Low profile
  • Switch options: Clicky, Linear, Tactile
  • Keycaps: ABS
See every spec side by side

Best for

What will you mostly use it for?

The Keychron K1 V6 is the clear winner for most performance and customization-focused use cases, including gaming, office work, programming, and content creation. Its key advantages are QMK/VIA support, a 1000 Hz polling rate, and 2.4 GHz connectivity. The K3 V2 only takes a win in the travel category due to its more compact 75% layout and lighter potential carrying profile. The K1 V6 also leads for modding, offering compatibility with a wider range of low-profile mechanical switches.

For gaming

Pick the Keychron K1 V6

  • 1000 Hz polling rate on wired mode for lower latency.
  • 2.4 GHz connectivity option for a stable, low-latency wireless connection.
  • N-Key Rollover (NKRO) support on both wireless and wired modes.
  • Higher relative performance score in gaming and latency metrics.

From real owners

What owners say

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

Keychron K1 V6

5.0

2 owner reviews

Praise
“Love it! My first mechanical, now typing is a beautiful experience, I enjoy coming back to the keyboard! Remapped with Makros, so I have my apps at the fingertip. I am experiencing some minor bugs like "Enter"-key "stuck", meaning the keyboard typed enter…”
Boris· via Keychron

Keychron K3 V2

4.8

2,258 owner reviews

Praise
“I had a full-size mechanical keyboard before that was tking too much of deskspace. This keyboard with it's 65% size is amazing and saves quite some desk space.”
Santosh M.Verified buyer· via Keychron
Critique
“Non-rgb version feels nice, but the battery is killing the whole experience... Even with the lights turned off, i can't get the keyboard to work on battery longer than 3-4 days, which is super annoying and not making me trust into this brand. Especially if…”
Mr. A.· via Keychron

Full specs

Keychron K1 V6 vs K3 V2 specs

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

9 of 25 specs differ

Keychron K1 V6

Keychron K3 V2

Typing & switches

Switch options

Clicky, Linear, Tactile
Clicky, Linear, Tactile

Hot-swappable

Yes
Yes

Mount style

Top Mount
Tray Mount

Low profile

Yes
Yes

Layout

Layout size

80%
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

2,000 mAhBetter
1,550 mAh

USB-C

Yes
Yes

Build & materials

Case material

ABS, Aluminum
Aluminum, Plastic

Plate material

Aluminum
—

Keycaps

ABS
ABS

Weight

596 g
—

Dimensions

25 x 346 x 119 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 K1 V6

  • Keychron

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

    In stockShips to you

  • Keychron (DE)

    ISO-DE, ISO-UK, ISO-SW

    Out of 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 K1 V6 vs K3 V2: your questions

The Keychron K1 V6 has better gaming performance due to its 1000 Hz polling rate on wired mode and a 90 Hz polling rate on wireless. It also supports a 2.4 GHz connection for a more stable low-latency experience and N-Key Rollover (NKRO) on both wireless and wired modes. The K3 V2 does not list a specific polling rate or NKRO support in its specifications.

Both keyboards are hot-swappable, but they support different switch types. The K1 V6 is only compatible with Keychron Milk POM and Gateron low-profile mechanical switches. The K3 V2 is the world's first hot-swappable low profile Optical switch keyboard, but its switches are not compatible with standard MX or the K1 V6's mechanical switches.

Yes, the Keychron K1 V6 supports open-source QMK firmware and can be configured using the Keychron Launcher web app, which is compatible with macOS, Windows, and Linux. The K3 V2 does not have QMK or VIA support and cannot use the Launcher for key remapping.

The K1 V6 has a larger 2000mAh battery, while the K3 V2 has a 1550mAh battery. However, the K3 V2's vendor states its battery can last up to 34 hours at lowest brightness, while a specific battery life figure is not provided for the K1 V6, so a direct comparison on runtime is not possible.

The Keychron K1 V6 uses an 80% TKL (Tenkeyless) layout with 87 keys, which includes a dedicated function row and navigation cluster. The Keychron K3 V2 uses a smaller 75% layout that condenses the navigation keys to save space while keeping the function row.

The K1 V6 is better for programming due to its QMK firmware and Keychron Launcher web app, which allows for limitless key remapping, macro creation, and custom shortcuts. It also offers three levels of adjustable typing angle (3.37, 4.2, and 6.7 degrees) for ergonomic support.

Yes, the K3 V2 has two-level adjustable rubber feet to change the typing angle, which is an upgrade from the original. The K1 V6 offers three levels of adjustable typing angle.

Both keyboards use low-profile keycaps and are not compatible with standard Cherry MX keycaps. While they may fit the same switch stems, compatibility is not guaranteed by the vendor. The K1 V6 uses a unique LSA (Low-profile Spherical Angle) profile keycaps.

The Keychron K3 V2 is generally more portable due to its smaller 75% layout and lighter weight from its aluminum and plastic case. Keychron also sells a dedicated K3 Travel Pouch. The K1 V6 is an 80% TKL that weighs 596g and is larger overall.

The Keychron K1 V6 is a tri-mode keyboard supporting Bluetooth 5.2, wired USB-C, and 2.4 GHz wireless connections. The Keychron K3 V2 supports Bluetooth 5.1 and a wired USB-C connection, but it does not have a 2.4 GHz mode.

The K1 V6 features a top mount design with an ABS + aluminum frame and a rigid aluminum plate. It includes enhanced acoustic foams (IXPE, latex, and EPDM) for quieter keystrokes. The K3 V2 uses a tray mount with an aluminum and plastic case and has a reinforced body structure but does not mention any specific acoustic foams.

Yes, both the Keychron K1 V6 and K3 V2 are compatible with macOS and Windows. They both include extra keycaps for both operating systems in the box and feature a dedicated Mac multimedia keys layout.

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