Not sure which keyboard to choose? Try the Keyboard Finder now!

Head to head · Prices checked Nov 7, 2026

Redragon EISA K686 Pro SE vs UCAL K673 Pro96% vs 75% Layout Choice

Choose the EISA K686 Pro SE for a numpad and dedicated function keys, or the UCAL K673 Pro for a significantly more compact footprint and easier portability.

KeebFinder may earn a commission when you buy through these links, at no extra cost to you.

Quick verdict

Which one should you get?

Get the

Redragon EISA K686 Pro SE

96%

If you want

  • 96% layout with 98 keys includes a numpad and dedicated function row.
  • Includes a nano receiver and four spare switches in the package.
  • Features themed, five-sided dye-sublimated PBT keycaps with character artwork.

Get the

Redragon UCAL K673 Pro

75% Layout Choice

Build quality in the bottom 45% of 75% boards under $100.

If you want

  • Compact 75% layout (335mm wide) saves considerable desk space and is marketed as ultra-portable.
  • Includes a 4000mAh battery for extended wireless use.
  • Features a built-in dongle storage socket to help prevent loss of the wireless receiver.

Rules this board out

  • No numpad.

Bottom line

Your primary need dictates the choice. If you regularly use a numpad for work, finance, or gaming, the Redragon EISA K686 Pro SE is the logical pick despite its larger size. If your priority is a clean, space-efficient desk setup, or you need a keyboard to carry between locations, the significantly more compact Redragon UCAL K673 Pro is the better tool. Both deliver excellent core features like gasket mount feel, tri-mode connectivity, and hot-swap customization for the price.

What actually differs

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 SE

Redragon UCAL K673 Pro

  • Layout size

    90%

    75%

  • Released

    2024

    2023

  • Dimensions

    60 x 430 x 60 mm

    37 x 335 x 37 mm

KeebFinder scores

How we score
  • Redragon EISA K686 Pro SE
  • Redragon UCAL K673 Pro
Performance
66
65
Build quality
63
62
Productivity
69
69
Customizability
58
58
Portability
49
75

What they share

  • Connection: Bluetooth, 2.4 GHz, Wired
  • Hot-swappable
  • Case material: Plastic
  • Switch options: Linear
  • Mount style: Gasket Mount
  • Knob
See every spec side by side

Best for

What will you mostly use it for?

The EISA K686 Pro SE is the clear choice for office work and any task requiring frequent numerical input due to its numpad. It also has a slight edge for gaming and content creation because of its more expansive layout. The UCAL K673 Pro dominates for travel and situations where desk space is limited, thanks to its 75% form factor. For programming and modding, the keyboards are closely matched, offering similar core customization features, making the choice more about layout preference.

For gaming

Pick the Redragon EISA K686 Pro SE

  • The 96% layout retains the numpad, which is useful for keybinds in MMOs or simulation games.
  • Both offer tri-mode connectivity and gasket-mounted designs for a cushioned typing feel.
  • The vendor description for the EISA model mentions software support for creating macros.

Full specs

Redragon EISA K686 Pro SE vs UCAL K673 Pro specs

Every tracked spec, side by side. Rows marked with a dot differ between the boards.

3 of 18 specs differ

Redragon EISA K686 Pro SE

Redragon UCAL K673 Pro

Typing & switches

Switch options

Linear
Linear

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
Gasket Mount

Sound dampening

Yes
Yes

Layout

Layout size

90%
75%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Knob

Yes
Yes

Display

None
None

Connectivity & battery

Connection

Bluetooth, 2.4 GHz, Wired
Bluetooth, 2.4 GHz, Wired

Battery

—
4,000 mAh

USB-C

Yes
Yes

Build & materials

Case material

Plastic
Plastic

Keycaps

PBT
PBT

Weight

1,200 g
1,200 g

Dimensions

60 x 430 x 60 mm
37 x 335 x 37 mm

Backlight

RGB
RGB

Extras

Released

2024
2023

Where to buy

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.

FAQ

Redragon EISA K686 Pro SE vs UCAL K673 Pro: your questions

The EISA K686 Pro SE is a 96% layout keyboard measuring 430mm in width. The UCAL K673 Pro is a 75% layout keyboard measuring 335mm in width, making it nearly 100mm (about 4 inches) narrower and significantly more compact.

Yes. Both the EISA K686 Pro SE and UCAL K673 Pro offer tri-mode connectivity. This includes a USB-C wired connection, Bluetooth, and a 2.4GHz wireless connection using a nano receiver.

The Redragon EISA K686 Pro SE is better for data entry. It features a 96% layout that includes a full numpad, allowing for faster numerical input compared to the UCAL K673 Pro, which lacks a numpad entirely.

Yes. Both keyboards feature hot-swappable sockets. The manufacturer states they are compatible with nearly all 3-pin and 5-pin mechanical switches, allowing for easy customization.

According to their vendor descriptions, both models use a five-layer noise dampening system. This includes PO foam, IXPE switch foam, a PET sound pad, socket foam, and a silicone base pad to reduce hollow resonance.

Yes. The specifications for the UCAL K673 Pro list a 4000mAh battery. Its product description also mentions a 3000mAh battery, confirming it has a built-in battery for wireless operation, while the EISA K686 does not have a listed battery capacity.

Both keyboards use PBT plastic for their keycaps. PBT is known for being more durable and resistant to shine compared to ABS plastic. The EISA model features dye-sublimated themed artwork, while the UCAL model has mixed-color keycaps.

Yes. The vendor pages for both the Redragon EISA K686 Pro SE and UCAL K673 Pro state that pro software is supported. This software allows for designing lighting effects and programming macros for more efficient gaming or work.

The Redragon UCAL K673 Pro is more portable. It is explicitly described as 'ultra-portable' and its 75% layout is significantly smaller than the 96% EISA K686. Both weigh the same, but the K673's compact dimensions make it easier to pack in a bag.

Yes. Both the EISA K686 Pro SE and the UCAL K673 Pro include a dedicated control knob. The manufacturer states this knob can control RGB brightness, volume, and media playback (play/pause, track switching) without needing software.

The EISA K686 Pro SE comes with pre-lubed 'Hi-Fi Custom Linear Switches' according to its listing. The UCAL K673 Pro comes with 'Linear Red Switches', which are also linear switches. Both offer a smooth, non-tactile typing experience.

Still torn?

Answer a few quick questions and the keyboard finder ranks 2,000+ boards by how you will actually use yours.