Redragon EISA MAX K686 vs UCAL K67398-Key vs 75% Layout Choice
Choose the EISA MAX K686 for a full-featured layout and hot-swap modding, or the UCAL K673 for a more portable, compact form factor.
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Which one should you get?
Get the
Redragon EISA MAX K686
98-Key
- Hot-swappable sockets for easy switch replacement and customization.
- 98-key layout retains a numpad while saving space compared to a full-size board.
- Includes multiple sound-dampening foams (PO foam, IXPE, PET pad, silicone) for a quieter typing experience.
Get the
Redragon UCAL K673
75% Layout Choice
Build quality in the bottom 35% of 75% boards under $100.
- Compact 75% layout (335mm wide) saves considerable desk space.
- Large 4000mAh battery, as stated by the vendor, promises extended wireless use.
- Includes multi-media keys for quick access to playback controls.
- Switches are soldered. Swapping them means soldering.
- No numpad.
Your primary need dictates the choice. If you require a numpad for work, want to modify your switches, or need guaranteed Mac compatibility, the Redragon EISA MAX K686 is the better investment. If maximizing desk space, enhancing portability, or having long wireless battery life is your top priority, the Redragon UCAL K673's compact form is the right pick. Both offer solid tri-mode wireless and gasket-mounted typing experiences at a similar price point.
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.
Redragon EISA MAX K686
Redragon UCAL K673
Layout size
90%
75%
Hot-swappable
Yes
No
Switch changes without soldering
Weight
1,200 g
1,240 g
Heavier boards stay planted and lighter ones travel
Media keys
No
Yes
Mac & Windows
Yes
No
- Redragon EISA MAX K686
- Redragon UCAL K673
- Performance
- 6763
- Build quality
- 6358
- Productivity
- 8463
- Customizability
- 6754
- Portability
- 5273
- Connection: Bluetooth, 2.4 GHz, Wired
- Case material: Plastic
- Mount style: Gasket Mount
- Knob
- Sound dampening
What will you mostly use it for?
The EISA MAX K686 is the more versatile choice for stationary setups where productivity features like a numpad, hot-swap capability, and multi-OS support are prioritized. It wins for office work, gaming with keybinds, and content creation. The UCAL K673 is the clear winner for travel and portability due to its smaller 75% footprint and large battery, making it better for mobile setups or minimalist desks. For programming, the choice is a toss-up based on whether you value desk space or a numpad.
Pick the Redragon EISA MAX K686
- The EISA MAX K686 includes a dedicated numpad, useful for keybinds in MMOs or simulation games.
- Its vendor description mentions software support for creating macros and custom keybindings.
- It comes with hot-swap sockets, allowing for switch changes to optimize actuation for different game genres.
Redragon EISA MAX K686 vs UCAL K673 specs
Every tracked spec, side by side. Rows marked with a dot differ between the boards.
7 of 21 specs differ
Redragon EISA MAX K686
Redragon UCAL K673
Switch options
Hot-swappable
Mount style
Sound dampening
Layout size
Layout standard
Ergonomics
Knob
Display
Media keys
Connection
Max polling rate
Battery
USB-C
Case material
Keycaps
Weight
Dimensions
Backlight
Mac & Windows
Released
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Redragon EISA MAX K686 vs UCAL K673: your questions
Only the Redragon EISA MAX K686 features hot-swappable sockets. Its product listing and vendor description confirm it supports nearly all 3-pin and 5-pin switches. The UCAL K673 does not list hot-swap as a feature.
No, the UCAL K673 uses a 75% layout with 81 keys. This design intentionally removes the number pad to achieve a more compact size, which is 335mm wide compared to the 98-key layout of the EISA MAX K686.
Both keyboards use a gasket mount design aimed at providing a softer, more consistent typing feel. The EISA MAX K686's vendor description details additional sound-dampening layers like PO foam and a silicone bottom pad, which may lead to a more muted and creamy acoustic signature.
The UCAL K673's metadata does not explicitly list Mac support as a feature. The EISA MAX K686, however, specifically includes 'Mac/Win Support' in its extra features and has a side button for switching between operating systems, according to its vendor page.
The UCAL K673 is listed with a 4000mAh battery, which the manufacturer describes as for long-lasting use. The EISA MAX K686 does not have a specified battery capacity in its provided specifications, so its wireless endurance is not detailed.
The EISA MAX K686 uses PBT keycaps, as confirmed in its metadata and vendor description. The keycap material for the UCAL K673 is not specified in its provided metadata or vendor description.
The UCAL K673 is more portable. It has a 75% layout measuring 335mm in width and weighs 1240g. The EISA MAX K686 is a 90% size keyboard measuring 430mm wide and weighs 1200g, making it significantly wider and less bag-friendly.
Yes, both the Redragon EISA MAX K686 and the UCAL K673 feature a dedicated control knob. The vendor descriptions state these knobs control backlight brightness, volume, and media playback functions.
The EISA MAX K686 comes with Linear Mint Mambo switches, according to its vendor page. The UCAL K673 comes with Linear Red switches, as stated in its specifications and description.
Both keyboards support software for customization. The EISA MAX K686's vendor page mentions software to design lighting modes and create macros. The UCAL K673's specifications also list software support for adjustments.
The EISA MAX K686 includes the keyboard, a USB-C cable, a nano receiver, a keycap and switch puller, four spare switches, a sticker, and a manual. The UCAL K673 includes the keyboard, a USB-C cable, a keycap and switch puller, spare switches, and a manual.
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