Fl·esports FL Esports CMK75 vs LANGTU LT84
Get the FL Esports CMK75 for its spring gasket structure, slotted PC plate, and customizable TFT screen; choose the LANGTU LT84 for Rapid Trigger, N-Key Rollover, and stated Mac/Windows support.
KeebFinder may earn a commission when you buy through these links, at no extra cost to you.
Which one should you get?
Get the
Fl·esports FL Esports CMK75
Build quality in the bottom 30% of 75% boards under $150.
- Spring gasket structure paired with a slotted PC positioning plate.
- Customizable colorful TFT display that can show system and connection details.
- Metallic decorative panels and south-facing RGB LEDs.
- South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.
Get the
LANGTU LT84
Rapid trigger
Build quality in the bottom 20% of 75% boards under $100.
- Rapid Trigger and N-Key Rollover.
- Explicit Mac/Windows support with dual-system switching.
- Side RGB strip and factory-lubed Sea-Air switches.
Choose the FL Esports CMK75 if its spring gasket design, slotted PC plate, and customizable TFT screen are the features you want. Choose the LANGTU LT84 if you want Rapid Trigger, N-Key Rollover, and explicitly stated Mac/Windows support. For shine-through keycaps, note the CMK75’s south-facing LED compatibility caveat.
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.
Fl·esports FL Esports CMK75
LANGTU LT84
Rapid trigger
No
Yes
Faster resets help in games and not in normal typing
Mount style
Gasket Mount
Sandwich Mount
Display
TFT
Yes
A case display rather than a typing feature
Backlight
RGB, south-facing
RGB
RGB for looks and low light rather than speed
N-key rollover
No
Yes
- Fl·esports FL Esports CMK75
- LANGTU LT84
- Performance
- 5174
- Build quality
- 5749
- Productivity
- 6983
- Customizability
- 6873
- Portability
- 7877
- Layout size: 75%
- Connection: Bluetooth, 2.4 GHz, Wired
- Hot-swappable
- Knob
- Sound dampening
- Keycaps: PBT
What will you mostly use it for?
The LT84 has the clearer gaming case because Rapid Trigger and N-Key Rollover are specifically listed. Its stated Mac/Windows support and knob controls also make it a practical office and content-creation pick. The CMK75 is the more distinctive choice for buyers focused on its spring-gasket typing design, layered damping details, and customizable screen. For travel, both offer the same listed connection modes, with dimensions differing in shape rather than showing a clear overall winner.
Pick the LANGTU LT84
- Rapid Trigger is listed as an LT84 feature.
- The LT84 listing specifies N-Key Rollover and full-key conflict-free operation.
Fl·esports FL Esports CMK75 vs LANGTU LT84 specs
Every tracked spec, side by side. Rows marked with a dot differ between the boards.
7 of 20 specs differ
Fl·esports FL Esports CMK75
LANGTU LT84
Switch options
Rapid trigger
Hot-swappable
Mount style
Sound dampening
Layout size
Layout standard
Ergonomics
Knob
Display
Connection
USB-C
Case material
Plate material
Keycaps
Dimensions
Backlight
N-key rollover
Mac & Windows
Released
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.
Fl·esports FL Esports CMK75 vs LANGTU LT84: your questions
The CMK75 features a spring gasket structure, a slotted PC positioning plate, and a customizable TFT screen. The LT84 lists Rapid Trigger, N-Key Rollover, and Mac/Windows support.
The LT84 is the more gaming-focused choice on the listed features because it includes Rapid Trigger and N-Key Rollover. These specifications do not establish performance beyond those stated features.
Yes, its specifications list a gasket mount. The vendor describes a leaf spring gasket structure with a slotted PC positioning plate.
Both keyboards list hot-swappable sockets. The CMK75 vendor specifies full-key hot-swap sockets, and the LT84 vendor says its full-key sockets accept most aftermarket switches without welding.
Both list Bluetooth and 2.4 GHz wireless connectivity, as well as wired connectivity. The CMK75 vendor identifies its wired connection as USB Type-C.
Yes, Mac/Win support is listed for the LT84, and the vendor describes dual-system support. Its multifunction knob can access dual-system switching, according to the vendor.
The vendor says the CMK75 TFT screen can be customized with images and GIF animations. It also says users can load up to five images and one GIF on the keyboard profile.
The CMK75’s south-facing LEDs can leave shine-through legends dark. Some sculpted keycaps may also clip against the LEDs.
The vendor names PORON cotton, an IXPE under-shaft pad, and bottom padding. These are described as layers in its sound- and shock-absorbing design.
The LT84 vendor describes a three-layer design using EVA cotton padding, bottom rubber padding, and undershaft silicone padding. It says these layers are intended to absorb typing pressure and reduce resonance.
The LT84 vendor describes its Sea-Air V3 switches as factory-lubed and linear. The CMK75 vendor lists Glacier Pink, Glacier Purple, and Kailh Box Marshmallow switches, but does not describe them as factory-lubed.
Yes, both are listed as 75% ANSI keyboards. The LT84 vendor describes its layout as 84-key, while the CMK75 vendor calls its layout compact 75%.
Not sold on either?
![[In Stock] RO75 75% Pre-Built Aluminum Mechanical Keyboard](https://cdn.shopify.com/s/files/1/0549/0262/0278/files/RO75-2.477.jpg?v=1744771062&width=3840&quality=75)
Still torn?
Answer a few quick questions and the keyboard finder ranks 2,000+ boards by how you will actually use yours.