Keychron K3 V2 vs V3Wireless or QMK?
Choose the K3 V2 for a low-profile keyboard with Bluetooth, or the V3 for wired QMK/VIA customization and a knob.
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4.8 · 2,258 reviews
from$105at Keychron (DE)
4.6 · 17 reviews
from$54at Keychron
Which one should you get?
Get the
Keychron K3 V2
Build quality in the bottom 50% of 75% boards under $150.
- Bluetooth and wired connectivity, with support for up to 3 Bluetooth devices described by Keychron.
- 75% layout with a low-profile design.
- About 483g, making it lighter than the V3.
- 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-FR, ISO-SW. The other board is sold in those layouts.
- No numpad.
Get the
Keychron V3
Build quality in the top 5% of 80% boards under $100.
- QMK and Keychron Launcher support key remapping and macros, with VIA support also listed.
- Double-shot PBT OSA-profile keycaps are specified by the vendor.
- Hot-swap sockets support 3-pin and 5-pin MX switches.
- South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.
- Missing ISO-Nordic. The other board is sold in those layouts.
- No numpad.
Pick the Keychron K3 V2 if Bluetooth, a low-profile 75% layout, and lower weight are the deciding factors. Choose the Keychron V3 if you want wired QMK/VIA customization, a programmable knob, double-shot PBT keycaps, and broader MX hot-swap support. The central trade-off is portability and wireless flexibility versus customization and wired features.
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 V2
Keychron V3
Layout size
75%
80%
Connection
Bluetooth, Wired
Wired
Wireless for several devices and wired for lower latency
Low profile
Yes
No
Case material
Aluminum, Plastic
ABS, Plastic
Mount style
Tray Mount
Gasket Mount, Plate Mount, Tray Mount
- Keychron K3 V2
- Keychron V3
- Performance
- 6391
- Build quality
- 6589
- Productivity
- 6698
- Customizability
- 6898
- Portability
- 8058
- Hot-swappable
- Switch options: Clicky, Linear, Tactile
What will you mostly use it for?
The K3 V2 is the more travel-friendly option and makes more sense when Bluetooth or a slim profile matters. The V3 leads for programming, modding, and knob-based creative workflows because its vendor description details QMK, VIA, and broader MX switch support. For gaming, the V3 has a listed 1000 Hz polling rate over its wired connection. The office choice depends on whether wireless flexibility or programmable controls matter more.
Pick the Keychron V3
- The V3 lists a 1000 Hz polling rate and wired-only connectivity.
- Its hot-swappable sockets support 3-pin and 5-pin MX switches.
What owners say
Ratings and quotes collected from verified store reviews, including the critical ones.
Keychron K3 V2
2,258 owner reviews
“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.”
“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…”
Keychron V3
17 owner reviews
“Mainly bought this keyboard for the russian layout, despite this I prefer it over my steelseries apex pro, its nice feel and sounds nice”
“I bought this keyboard in March 2023 and genuinely liked it at first. It's solid, heavy, well-built, sounds great. Keychron clearly knows what they're doing in terms of design and firmware. The problem is the switches. After about a year and a half of normal…”
Keychron K3 V2 vs V3 specs
Every tracked spec, side by side. Rows marked with a dot differ between the boards.
15 of 28 specs differ
Keychron K3 V2
Keychron V3
Switch options
Hot-swappable
Mount style
Low profile
Sound dampening
Screw-in stabilizers
Layout size
Layout standard
Ergonomics
Knob
Display
Media keys
Connection
Max polling rate
Battery
USB-C
Case material
Plate material
Keycaps
Weight
Dimensions
Typing angle
Backlight
QMK
VIA
N-key rollover
Mac & Windows
Released
ISO layouts by store
Which stores sell ISO-DE, UK, and the other regional layouts.
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
Keychron V3
Keychron
ISO-DE, ISO-UK, ISO-FR, ISO-ES, ISO-SW
In stockShips to you
Keychron (DE)
ISO-DE, ISO-ES
In stockDoes not ship to you
Keychron (DE)
ISO-DE, ISO-UK, ISO-FR, ISO-ES, ISO-SW
Out of stockDoes not ship to you
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 K3 V2 vs V3: your questions
Yes. Keychron lists Bluetooth and wired connectivity, and its product description says the Bluetooth connection can pair with up to 3 devices. The K3 V2 also has a 1550 mAh battery.
No wireless connection is listed for the Keychron V3, which is specified as wired only. Its vendor listing describes Type-C connectivity.
The K3 V2 is the more travel-oriented choice based on its listed weight of about 483g and Bluetooth connectivity. The V3 weighs 1120 ± 10g and is wired only.
Yes, the K3 V2 metadata lists hot-swap support, and Keychron describes a hot-swappable version using low-profile optical switches. Confirm the switch version when buying, since the vendor page lists multiple switch options.
Yes. Keychron says the V3's PCB-mounted hot-swap sockets support both 3-pin and 5-pin MX mechanical switches without soldering. The listing also identifies Keychron K Pro switches for the assembled version.
The V3 metadata lists QMK and VIA support, and Keychron describes QMK firmware and its Launcher web app for key remapping and macros. The vendor also describes customizing the knob through VIA.
QMK support is not listed for the K3 V2. Keychron describes its low-profile switch options, Bluetooth and wired connectivity, and compatibility with macOS and Windows.
The K3 V2 is a 75% low-profile keyboard, while the V3 uses an 80% TKL layout. The K3 V2 is also listed as lighter, at about 483g compared with the V3 at 1120 ± 10g.
The K3 V2 is listed with ABS keycaps, while the V3 vendor listing specifies double-shot PBT OSA-profile keycaps. Keychron describes the V3 keycaps as non-shine-through.
The V3 product listing includes a knob version, and Keychron describes its rotary encoder as programmable through VIA. The K3 V2's listed extra features do not include a knob.
The V3 is listed with a 1000 Hz polling rate over its wired connection. The K3 V2 vendor page lists 1000 Hz wired and 90 Hz Bluetooth polling rates.
Both keyboards list Mac and Windows support. Keychron says the K3 V2 includes keycaps for both operating systems, and its V3 description also mentions additional Mac and Windows keycaps.
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