Redragon EISA K686 Pro vs UCAL K673 Pro90% vs 75% Layout Choice
Choose the EISA K686 Pro for a dedicated numpad and Mac support, or the UCAL K673 Pro for a more compact footprint and slightly better portability.
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Which one should you get?
Get the
Redragon EISA K686 Pro
90%
- 98-key 90% layout includes a numpad and dedicated navigation keys.
- Vendor description confirms Mac/Win support with a dedicated toggle switch.
- Includes detailed sound dampening with a PO pad, two foams, and a silicone gasket.
- South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.
Get the
Redragon UCAL K673 Pro
75% Layout Choice
Build quality in the bottom 45% of 75% boards under $100.
- More compact 81-key 75% layout (335mm wide) saves desk space.
- Includes a 4000mAh battery for extended wireless use.
- Features a built-in dongle storage socket to prevent loss.
- No numpad.
Your primary need dictates the choice. If you regularly use a numpad for data entry, spreadsheets, or accounting, the Redragon EISA K686 Pro is the necessary pick, and its Mac support is a bonus for dual-system users. If your desk space is limited, you prioritize portability, or you simply prefer a minimalist layout, the Redragon UCAL K673 Pro's compact form and large battery make it the better option. Both deliver excellent core features for the price.
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 K686 Pro
Redragon UCAL K673 Pro
Layout size
90%
75%
Display
LED
None
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
Yes
No
Mac & Windows
Yes
No
- Redragon EISA K686 Pro
- Redragon UCAL K673 Pro
- Performance
- 7866
- Build quality
- 6962
- Productivity
- 8369
- Customizability
- 7358
- Portability
- 5475
- Connection: Bluetooth, 2.4 GHz, Wired
- Hot-swappable
- Battery: 4,000 mAh
- Case material: Plastic
- Switch options: Linear
- Mount style: Gasket Mount
What will you mostly use it for?
The EISA K686 Pro is the clear choice for office work and any task requiring a numpad, also offering slightly more detailed modding potential. The UCAL K673 Pro wins for travel due to its smaller size and confirmed large battery. For gaming, programming, and content creation, the keyboards are closely matched, with the decision boiling down to whether you value the extra keys of the 90% layout or the desk space saved by the 75% layout.
It's a tie
- Both offer tri-mode connectivity (wired, 2.4GHz, Bluetooth) for low-latency or wireless play.
- Both feature gasket mount designs and sound dampening foams for a consistent, muted typing feel.
- Both include a dedicated control knob for quick media adjustments.
Redragon EISA K686 Pro vs UCAL K673 Pro specs
Every tracked spec, side by side. Rows marked with a dot differ between the boards.
7 of 22 specs differ
Redragon EISA K686 Pro
Redragon UCAL K673 Pro
Switch options
Hot-swappable
Mount style
Sound dampening
Layout size
Layout standard
Ergonomics
Knob
Display
Connection
Max polling rate
Battery
USB-C
Case material
Plate material
Keycaps
Weight
Dimensions
Backlight
N-key rollover
Mac & Windows
Released
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Redragon EISA K686 Pro vs UCAL K673 Pro: your questions
The main difference is the layout size. The EISA K686 Pro is a 90% keyboard with 98 keys, including a numpad. The UCAL K673 Pro is a 75% keyboard with 81 keys, omitting the numpad and some navigation keys for a more compact footprint.
The Redragon EISA K686 Pro has a number pad. It uses a 98-key, 90% layout that includes a numpad while still being more compact than a full-size keyboard. The UCAL K673 Pro does not have a numpad.
Yes, both keyboards feature hot-swappable sockets. According to their vendor pages, both support nearly all 3-pin and 5-pin switches, allowing you to change switches without soldering.
The EISA K686 Pro is explicitly listed with Mac/Win support, and its vendor description mentions a side button for seamless system switching. Mac compatibility is not listed in the core specifications for the UCAL K673 Pro.
Both use gasket mounts and sound-absorbing materials. The EISA K686 Pro description specifies a 3.5mm PO sound-absorbing pad, 2 dampening foams, and a silicone gasket. The UCAL K673 Pro description mentions two 3.5mm sound-absorbing foams and a silicone gasket.
Yes, the UCAL K673 Pro has tri-mode connectivity, which includes Bluetooth, 2.4GHz wireless, and USB-C wired, as confirmed in its vendor description and specifications.
Based on package listings, the EISA K686 Pro includes a keyboard, USB-C cable, nano receiver, keycap & switch puller, 4 spare switches, a sticker, and a manual. The UCAL K673 Pro listing shows a keyboard, cable, puller, spare switches, and a manual, but does not specify a receiver.
The UCAL K673 Pro has a specified 4000mAh battery. The EISA K686 Pro's battery capacity is not provided in the available information, so a direct comparison cannot be made.
Yes, both keyboards have RGB lighting and support proprietary software. The vendor descriptions for both state that the software allows you to design your own lighting modes and effects.
The UCAL K673 Pro is more portable. It is significantly narrower (335mm vs 430mm) and uses a 75% layout, making it easier to fit in a bag. It also has a specified large battery for wireless use on the go.
Yes, both the EISA K686 Pro and UCAL K673 Pro feature a dedicated control knob. According to the manufacturer, this knob controls backlight brightness and media functions like volume and play/pause.
Both keyboards come with linear red switches pre-installed, as stated in their specifications and vendor descriptions. They are Outemu brand switches, which are hot-swappable for easy replacement.
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