Redragon OTIIM K729 vs UCAL K673 HEHot-Swap vs Hall Effect
Choose the OTIIM K729 for versatility and modding, or the UCAL K673 HE for cutting-edge gaming performance with magnetic switches.
KeebFinder may earn a commission when you buy through these links, at no extra cost to you.
Which one should you get?
Get the
Redragon OTIIM K729
Hot-Swap
Build quality in the top 40% of 80% boards under $100.
- Hot-swappable socket for easy switch replacement.
- Includes PBT keycaps for better durability and texture.
- Comes with a full accessory kit including a switch puller and spare switches.
- South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.
- No numpad.
Get the
Redragon UCAL K673 HE
Hall Effect
Build quality in the bottom 35% of 75% boards under $100.
- UltraMag magnetic Hall effect switches with rapid trigger technology.
- Very high 8000 Hz polling rate for minimal input latency.
- Multi-platform driver support includes a web-based interface for broader OS compatibility.
- Magnetic switches only. Standard MX switches will not fit.
- No numpad.
Your primary use case dictates the choice. For dedicated competitive gaming where every millisecond and keystroke precision counts, the Redragon UCAL K673 HE and its magnetic switches are the focused tool. For a more versatile daily driver that balances typing, gaming, and future customization, the Redragon OTIIM K729's hot-swap design and PBT keycaps offer greater long-term value and flexibility.
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 OTIIM K729
Redragon UCAL K673 HE
Layout size
80%
75%
Hall effect (magnetic)
No
Yes
Adjustable actuation helps in games and not in normal typing
Rapid trigger
No
Yes
Faster resets help in games and not in normal typing
Hot-swappable
Yes
No
Switch changes without soldering
Max polling rate
1,000 Hz
8,000 Hz
Higher polling helps competitive FPS and does nothing for typing
- Redragon OTIIM K729
- Redragon UCAL K673 HE
- Performance
- 8094
- Build quality
- 6557
- Productivity
- 8562
- Customizability
- 7049
- Portability
- 5858
- Connection: Wired
- Case material: Plastic
- Mount style: Gasket Mount
- Knob
- Sound dampening
What will you mostly use it for?
The UCAL K673 HE is the clear choice for competitive gaming due to its high polling rate and magnetic switches. For nearly every other scenario, including office work, programming, and content creation, the OTIIM K729's more versatile layout, durable keycaps, and modding features make it the better all-rounder. Travel is a tie, as both lack wireless connectivity, though their weight and size differ.
Pick the Redragon UCAL K673 HE
- The UCAL K673 HE has an 8000 Hz polling rate for lower latency.
- It features Hall effect magnetic switches with adjustable actuation via rapid trigger technology.
- Its 75% layout is marketed for providing more mouse space for FPS games.
Redragon OTIIM K729 vs UCAL K673 HE specs
Every tracked spec, side by side. Rows marked with a dot differ between the boards.
10 of 22 specs differ
Redragon OTIIM K729
Redragon UCAL K673 HE
Switch options
Hall effect (magnetic)
Rapid trigger
Hot-swappable
Mount style
Sound dampening
Layout size
Layout standard
Ergonomics
Knob
Display
Connection
Max polling rate
USB-C
Case material
Keycaps
Weight
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.
- Check on Amazon
Amazon
Check price
- Check on Amazon
Amazon
Check price
Redragon OTIIM K729 vs UCAL K673 HE: your questions
No, the Redragon UCAL K673 HE is not listed as hot-swappable in its specifications. It comes with fixed UltraMag magnetic switches, so you cannot replace them with standard mechanical switches without soldering.
Yes, the Redragon OTIIM K729 is confirmed to have PBT keycaps according to its specifications and vendor description. PBT plastic is generally more resistant to wear and shine compared to ABS.
The Redragon UCAL K673 HE has a significantly higher polling rate of 8000 Hz, as stated in its specs. The Redragon OTIIM K729 has a 1000 Hz polling rate. A higher rate can reduce input latency in games.
According to Redragon, rapid trigger technology allows the actuation point of the magnetic switches to be precisely adjusted between 0.1mm and 3.4mm via software. This enables faster key resetting for competitive gaming, useful in titles like Valorant or Apex Legends.
The OTIIM K729 is generally better for typing and office work. It has PBT keycaps for durability, a standard TKL layout with dedicated keys, and its vendor description specifically mentions it being good for typing papers. The K673 HE is more specialized for gaming.
Yes, both the Redragon OTIIM K729 and the UCAL K673 HE feature a dedicated control knob. According to their descriptions, the knob controls media functions like volume, play/pause, and backlight brightness.
The Redragon OTIIM K729 comes with pre-installed Dragon Chant linear switches, which are described as thick-lubed. It also includes four spare switches in the box. Its hot-swap socket allows you to change to other compatible 3-pin or 5-pin switches.
The OTIIM K729 is described as having a 5-layer noise dampening system including PO foam, IXPE switch foam, a PET sound pad, and silicone. The K673 HE's description is inconsistent, listing both 5-layer and 2-layer dampening, making a direct comparison unclear.
The Redragon UCAL K673 HE has a more compact 75% layout with 81 keys, omitting the numpad and some navigation keys. The OTIIM K729 is an 80% TKL layout with 87 keys, which is slightly larger but retains the function row and arrow cluster.
The UCAL K673 HE's vendor description mentions multi-platform driver support, including a new web-based driver that allows users on other operating systems to access software features via a browser. Basic functionality should work, but advanced configuration may require the web driver.
The OTIIM K729 includes a detachable USB-C cable, a keycap & switch puller, four spare switches, a user manual, and a sticker. The K673 HE includes a detachable USB-C cable, a keycap & switch puller, spare switches (quantity unspecified), and a user manual.
Only the Redragon OTIIM K729 is explicitly listed with south-facing RGB LEDs. The orientation for the UCAL K673 HE is not specified in the provided information. South-facing LEDs prevent interference with some sculpted aftermarket keycaps.
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.