Keychron K3 vs Lofree Flow84ISO or Gasket Mount
Choose the Keychron K3 if you need an ISO-FR layout; choose the Lofree Flow84 if you prefer a gasket mount and an all-aluminum frame.
KeebFinder may earn a commission when you buy through these links, at no extra cost to you.
Which one should you get?
Get the
Keychron K3
Build quality in the bottom 40% of 75% boards under $150.
- 75% layout with ISO-FR, ISO, and ANSI options listed.
- RGB backlighting offers 18 types, with adjustable brightness listed by Keychron.
- Keychron describes hot-swappable low-profile optical switches on the supported version.
- Low-profile switches and keycaps only. Standard MX keycaps will not fit.
- North-facing LEDs. Cherry-profile keycaps can hit the switch housing.
Get the
Lofree Flow84
Battery
Build quality in the top 50% of 75% boards under $150.
- Aluminum frame and case with PBT keycaps.
- Gasket mount with IXPE and Poron foam, which Lofree says helps reduce vibration.
- 2000mAh battery, with up to 40 hours of use claimed by Lofree.
- Low-profile switches and keycaps only. Standard MX keycaps will not fit.
- No ISO layout. ISO-DE, UK, and other ISO variants are not offered.
Choose the Keychron K3 if ISO-FR support is essential or you want its listed RGB backlight patterns. Choose the Lofree Flow84 if an aluminum frame, gasket mount, foam layers, and PBT keycaps matter more. Before buying either, check that your replacement switches and keycaps are low-profile.
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
Lofree Flow84
Battery
1,550 mAh
2,000 mAh
A larger battery means fewer cables during the day
Case material
ABS, Aluminum
Aluminum
Switch options
Clicky, Linear, Tactile
Linear, Tactile
Mount style
Plate Mount
Gasket Mount
Layout standard
ANSI, ISO, ISO-FR
ANSI
ISO and JIS exist so regional layouts fit
- Keychron K3
- Lofree Flow84
- Performance
- 6464
- Build quality
- 6166
- Productivity
- 6666
- Customizability
- 6869
- Portability
- 8082
- Layout size: 75%
- Connection: Bluetooth, Wired
- Hot-swappable
- Low profile
What will you mostly use it for?
The Flow84 edges ahead for office work, travel, and content creation through its gasket construction, listed dimensions and weight, and multi-device features. The K3 is the more relevant option for French ISO users and others seeking its additional layout choices. Gaming and modding are close calls because both are hot-swappable low-profile boards, with differences in their lighting and construction. Both require low-profile replacement switches and keycaps.
It's a tie
- Both keyboards offer low-profile linear and tactile switch options, and both are hot-swappable.
- The K3 lists RGB backlighting with 18 types, while the Flow84 has white backlighting and RGB sidelight.
Keychron K3 vs Lofree Flow84 specs
Every tracked spec, side by side. Rows marked with a dot differ between the boards.
8 of 21 specs differ
Keychron K3
Lofree Flow84
Switch options
Hot-swappable
Mount style
Low profile
Layout size
Layout standard
Ergonomics
Display
Media keys
Connection
Battery
USB-C
Case material
Plate material
Keycaps
Weight
Dimensions
Typing angle
Backlight
Mac & Windows
Released
ISO layouts by store
Which stores sell ISO-DE, UK, and the other regional layouts.
Keychron K3
Keychron (DE)
ISO-FR
In stockDoes not ship to you
Lofree Flow84
No ISO layout at the stores we track.
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 vs Lofree Flow84: your questions
The Keychron K3 lists ISO-FR among its layout options. The Lofree Flow84 is ANSI only and does not offer ISO variants.
No. Both keyboards require low-profile keycaps, and their compatibility rules say standard MX keycaps will not fit.
Both models list hot-swappable switches. Keychron specifies that K3 hot-swapping applies to its low-profile optical-switch version, and its compatibility rules require low-profile switches.
The Lofree Flow84 has a gasket mount. Lofree says its IXPE and Poron foam layers help isolate switches and reduce vibration.
The Keychron K3 has a listed 1550mAh battery, while the Lofree Flow84 has a 2000mAh battery. Lofree claims up to 40 hours of use for the Flow84, and Keychron lists up to 34 hours for the K3.
The Flow84 has a listed weight of 594 g and measures 316 x 126 x 24.5 mm, useful details for packing. Its 2000mAh battery is listed with up to 40 hours of use by Lofree.
Both list Bluetooth and wired USB-C connectivity. Lofree specifies Bluetooth 5.0 for the Flow84, while Keychron's vendor page specifies Bluetooth 5.1 for the K3.
Lofree says the Flow84 can connect to up to three devices and switch between them with a tap. The K3's listed metadata does not specify a device count.
The K3 lists RGB and white backlight options, and Keychron describes 18 RGB backlight types. The Flow84 has white backlighting and RGB sidelight, which Lofree describes as eight colors.
Both list Mac and Windows support. Keychron also says the K3 includes keycaps for macOS and Windows.
The Flow84 uses dye-sub PBT keycaps, which Lofree describes as resistant to wear and oil. Its product listing also identifies the keycaps as textured PBT.
The K3 has north-facing LEDs, and its compatibility rule warns that Cherry-profile keycaps can hit the switch housing. Check keycap profile clearance before choosing replacement caps.
Not sold on either?
Still torn?
Answer a few quick questions and the keyboard finder ranks 2,000+ boards by how you will actually use yours.