Redragon OTIIM K729 HE vs UCAL K673 HE80% vs 75% Layout Gaming Keyboard Choice
Choose the K729 for a more spacious TKL layout and quieter typing, or the K673 for a more compact footprint and slightly lower price.
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Which one should you get?
Get the
Redragon OTIIM K729 HE
80%
Build quality in the bottom 40% of 80% boards under $100.
- 80% TKL layout with dedicated function row and navigation keys.
- Includes 5-layer noise dampening with PO foam, IXPE foam, PET pad, socket foam, and silicone.
- South-facing RGB lighting for better compatibility with aftermarket keycaps.
- Magnetic switches only. Standard MX switches will not fit.
- South-facing LEDs. Shine-through legends stay dark, and some sculpted keycaps can clip the LED.
- No numpad.
Get the
Redragon UCAL K673 HE
75% Layout Gaming Keyboard Choice
Build quality in the bottom 35% of 75% boards under $100.
- More compact 75% layout saves desk space while keeping a top function row.
- Often available at a slightly lower price point.
- Shares core gaming features: 8000Hz polling, rapid trigger, and UltraMag switches.
- Magnetic switches only. Standard MX switches will not fit.
- No numpad.
Your choice depends on layout preference and typing noise. Opt for the Redragon OTIIM K729 HE if you want a more traditional TKL layout for productivity, value quieter typing with its extensive sound dampening, and prefer lighter PBT keycaps. Choose the Redragon UCAL K673 HE if your priority is a more compact keyboard to maximize mouse space for gaming, and you are less concerned about acoustic dampening.
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 HE
Redragon UCAL K673 HE
Layout size
80%
75%
Weight
880 g
1,240 g
Heavier boards stay planted and lighter ones travel
Backlight
RGB, south-facing
RGB
RGB for looks and low light rather than speed
Dimensions
367 x 146 x 41 mm
104 x 335 mm
- Redragon OTIIM K729 HE
- Redragon UCAL K673 HE
- Performance
- 9494
- Build quality
- 5757
- Productivity
- 6362
- Customizability
- 4949
- Portability
- 5258
- Hall effect (magnetic)
- Rapid trigger
- Connection: Wired
- Max polling rate: 8,000 Hz
- Case material: Plastic
- Switch options: Magnetic
What will you mostly use it for?
The keyboards tie for pure gaming performance and modding limitations. The Redragon K729 HE wins for office, programming, and content creation due to its more accessible TKL layout, confirmed PBT keycaps, and superior 5-layer sound dampening. The K673 HE is the pick for travel or maximizing desk space because of its more compact 75% form factor, despite its heavier weight.
It's a tie
- Both feature identical 8000Hz hyper-polling for low latency.
- Both include UltraMag magnetic switches with rapid trigger technology for adjustable actuation.
- Both have a dedicated control knob for media and lighting.
Redragon OTIIM K729 HE vs UCAL K673 HE specs
Every tracked spec, side by side. Rows marked with a dot differ between the boards.
4 of 19 specs differ
Redragon OTIIM K729 HE
Redragon UCAL K673 HE
Switch options
Hall effect (magnetic)
Rapid trigger
Mount style
Sound dampening
Layout size
Layout standard
Ergonomics
Knob
Display
Connection
Max polling rate
USB-C
Case material
Keycaps
Weight
Dimensions
Backlight
Released
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Redragon OTIIM K729 HE vs UCAL K673 HE: your questions
The primary difference is the layout size. The K729 is an 80% TKL keyboard with 87 keys, while the K673 is a more compact 75% keyboard with 81 keys. The K729 also features more extensive 5-layer sound dampening compared to the K673's 2-layer system.
Yes, both keyboards feature Redragon's rapid trigger technology. According to the vendor descriptions, the actuation point can be adjusted in 0.1mm increments from 0.1mm to 3.4mm via software for both models.
No. The vendor specifications for both keyboards explicitly list "Hot Swappable: No." This means the magnetic switches are soldered in place and cannot be easily replaced without soldering.
The Redragon K729 HE is designed to be quieter. Its vendor description lists a 5-layer noise dampening system including PO foam, IXPE switch foam, a PET sound pad, bottom socket foam, and a silicone pad. The K673 HE is listed with only 2-layer dampening.
Both keyboards use Redragon's UltraMag magnetic Hall effect switches. The vendor describes them as full-POM construction switches with an anti-wobble dual-module floating structure.
Both keyboards have an 8000Hz hyper-polling rate, as stated in the metadata and vendor descriptions. This translates to a reported latency of 0.125ms.
Yes, both the K729 and K673 HE include a dedicated control knob. The vendor states this knob controls volume, play/pause, and backlight brightness.
The metadata specifies the K729 HE uses PBT keycaps. The vendor description confirms this, noting they are shine-through for the RGB lighting. The keycap material for the K673 is not specified in the provided metadata.
Both are equally capable for FPS gaming. They share the identical 8000Hz polling rate, rapid trigger technology, and UltraMag magnetic switches. The choice comes down to personal preference for the larger TKL layout of the K729 or the more space-saving 75% layout of the K673.
According to vendor pages, both include the keyboard, a detachable USB Type-C cable, a keycap and switch puller, and spare switches. The K729 listing also specifies a user manual and a Redragon sticker.
The metadata confirms the K729 HE has south-facing RGB LEDs. The RGB orientation for the K673 HE is not specified in the provided metadata, only that it has RGB lighting.
The vendor for the K729 mentions "dual-platform driver support," including web-based drivers for multiple operating systems. The K673 vendor description similarly mentions "multi-platform driver support" and "Windows + Web Support."
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