Redragon EISA K686 HE vs OTIIM K729 HE98% vs 80% Layout Choice
Choose the EISA K686 HE if you need a numpad, or the OTIIM K729 HE for a more compact, portable desk setup.
Which one should you get?
Get the
Redragon EISA K686 HE
98%
- 98-key compact full-size layout retains the numpad.
- Includes 5-layer noise dampening with 3.5mm PORON foam.
- Comes with a keycap/switch puller and four spare switches.
- Heavier at 1200g and wider at 430mm.
- Not hot-swappable, limiting switch customization.
- Lacks south-facing RGB, which can improve compatibility with certain keycaps.
Get the
Redragon OTIIM K729 HE
80% Layout Choice
- Lighter weight of 880g and more compact 80% TKL (367mm) footprint.
- Features south-facing RGB LEDs for better compatibility with shine-through keycaps.
- Includes detailed 5-layer dampening with IXPE foam, PET pad, and silicone.
- TKL layout omits the numpad and navigation cluster.
- Not hot-swappable, limiting switch customization.
- Slightly higher listed price point.
Your choice between these two Redragon keyboards comes down to layout needs versus desk space. If you regularly use a numpad for work, data entry, or creative software shortcuts, the EISA K686 HE is the logical pick. If you want to maximize mouse space for gaming or have a smaller desk, the lighter and more portable OTIIM K729 HE is the better option, as it sacrifices no core gaming performance.
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 HE
Redragon OTIIM K729 HE
Layout size
90%
80%
Weight
1,200 g
880 g
Backlight
RGB
RGB, south-facing
N-key rollover
Yes
No
Dimensions
39 x 394 x 144 mm
367 x 146 x 41 mm
- Redragon EISA K686 HE
- Redragon OTIIM K729 HE
- Performance
- 9894
- Build quality
- 5759
- Productivity
- 6264
- Customizability
- 4850
- Portability
- 4152
- 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 are tied for gaming and programming, as their core performance specs are identical. The EISA K686 HE wins for office work and content creation due to its integrated numpad. The OTIIM K729 HE is the clear choice for travel thanks to its lighter weight and more compact TKL form factor. For modding, both are equally limited by their lack of hot-swap sockets.
It's a tie
- Both have identical 8000 Hz polling rate and 0.125ms latency.
- Both feature adjustable rapid trigger technology and Hall effect magnetic switches.
- Both include PRCS tech with SOCD cleaning functions for competitive play.
Redragon EISA K686 HE vs OTIIM K729 HE specs
Every tracked spec, side by side. Rows marked with a dot differ between the boards.
5 of 20 specs differ
Redragon EISA K686 HE
Redragon OTIIM K729 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
N-key rollover
Released
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Redragon EISA K686 HE vs OTIIM K729 HE: your questions
The primary difference is the layout size. The EISA K686 HE is a 98% keyboard with 98 keys, including a numpad in a compact form. The OTIIM K729 HE is an 80% Tenkeyless (TKL) keyboard with 87 keys, omitting the numpad and navigation cluster for a smaller footprint.
Yes. According to their product listings, both the EISA K686 HE and OTIIM K729 HE feature UltraMag magnetic (Hall effect) switches and support rapid trigger technology. The actuation point can be adjusted from 0.1mm to 3.4mm via software.
Both keyboards have an 8000 Hz polling rate, which Redragon markets as 8K hyper-polling. This corresponds to a latency of 0.125ms as stated in their specifications.
No. The manufacturer specifications for both models explicitly state they are not hot-swappable. The EISA K686 HE listing notes its switches are Redragon exclusive and not cross-compatible.
The OTIIM K729 HE is better for a small desk. It has an 80% TKL layout measuring 367mm in width and weighs 880g, making it significantly more compact and lighter than the 430mm wide, 1200g EISA K686 HE.
Yes, both come with similar accessories. Each includes a detachable USB Type-C cable, a keycap and switch puller, four spare magnetic switches, a user manual, and a Redragon sticker.
Both feature 5-layer noise dampening. The EISA K686 HE uses 3.5mm PORON foam and bottom case foam. The OTIIM K729 HE listing specifies IXPE switch foam, a PET sound pad, bottom socket foam, and a silicone bottom pad in addition to its silicone gasket.
Only the OTIIM K729 HE is listed as having south-facing RGB LEDs. South-facing LEDs can reduce interference with certain Cherry-profile keycaps and may provide more even backlighting for shine-through legends.
Redragon states both keyboards have dual-platform driver support, including a web-based driver. This allows users on other operating systems to access software features directly via a browser, according to the product descriptions.
Both the Redragon EISA K686 HE and OTIIM K729 HE use PBT (Polybutylene Terephthalate) keycaps. PBT is known for being more wear-resistant and less prone to developing a shiny finish compared to ABS plastic.
The listed prices are very close, with the OTIIM K729 HE having a slightly higher listed price. The final cost may vary by retailer, but they occupy the same budget-friendly price tier.
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