Redragon PENUMBRA K687 HE vs Yunzii RT Pro HEWired vs Wireless Choice
Choose the Yunzii RT Pro HE for wireless flexibility and high polling, or the Redragon Penumbra K687 HE for a heavier, wired aluminum build.
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Which one should you get?
Get the
Redragon PENUMBRA K687 HE
Wired
Build quality in the top 45% of 75% boards under $100.
- CNC aluminum case with a frosted finish for a solid build.
- Gasket mount design for a potentially softer typing feel.
- Includes 5-layer noise dampening with PO foam, IXPE, PET, and silicone.
- Magnetic switches only. Standard MX switches will not fit.
Get the
Yunzii RT Pro HE
Wireless Choice
Build quality in the bottom 30% of 75% boards under $100.
- Tri-mode connectivity with Bluetooth, 2.4 GHz, and wired USB-C.
- Specifies an 8000 Hz polling rate in wired and 2.4G modes.
- Hot-swappable PCB allows for easy switch replacement.
- 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.
Your primary need dictates the choice. If you require wireless freedom for a clean desk, device switching, or portability, the Yunzii RT Pro HE is the clear option with its tri-mode connectivity and high wireless polling rate. If you prefer a stationary, wired setup with a heavier aluminum chassis and gasket mount, the Redragon Penumbra K687 HE is the better fit, though its switch compatibility is limited.
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 PENUMBRA K687 HE
Yunzii RT Pro HE
Connection
Wired
Bluetooth, 2.4 GHz, Wired
Wireless for several devices and wired for lower latency
Hot-swappable
No
Yes
Switch changes without soldering
Switch options
Magnetic
Linear, Magnetic
Mount style
Gasket Mount
Top Mount
Weight
1,500 g
1,129 g
Heavier boards stay planted and lighter ones travel
- Redragon PENUMBRA K687 HE
- Yunzii RT Pro HE
- Performance
- 8699
- Build quality
- 6956
- Productivity
- 7783
- Customizability
- 5466
- Portability
- 6091
- Layout size: 75%
- Hall effect (magnetic)
- Rapid trigger
- Knob
- Sound dampening
What will you mostly use it for?
The Yunzii RT Pro HE wins in more categories, particularly where wireless versatility, lighter weight, and modding potential are key. It is the clear choice for travel, office use with multiple devices, and gamers wanting wireless options. The two keyboards tie for programming and content creation due to their similar core layouts and media controls. The Redragon Penumbra K687 HE's strengths are its wired-only, heavier aluminum construction.
Pick the Yunzii RT Pro HE
- The Yunzii RT Pro HE specifies an 8000 Hz polling rate in wired and 2.4G modes.
- It offers tri-mode connectivity, including a low-latency 2.4 GHz wireless option for gaming.
- Both keyboards feature Hall Effect switches and rapid trigger technology.
Redragon PENUMBRA K687 HE vs Yunzii RT Pro HE specs
Every tracked spec, side by side. Rows marked with a dot differ between the boards.
9 of 24 specs differ
Redragon PENUMBRA K687 HE
Yunzii RT Pro 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
Battery
USB-C
Case material
Plate material
Keycaps
Weight
Dimensions
Backlight
N-key rollover
Mac & Windows
Released
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Redragon PENUMBRA K687 HE vs Yunzii RT Pro HE: your questions
Only the Yunzii RT Pro HE offers wireless connectivity. It supports Bluetooth, 2.4 GHz, and wired USB-C. The Redragon Penumbra K687 HE is a wired-only keyboard.
According to its specifications, the Yunzii RT Pro HE has an 8000 Hz polling rate in both its wired USB-C and 2.4 GHz wireless modes. Its Bluetooth mode operates at 125 Hz.
The Redragon Penumbra K687 HE is not listed as hot-swappable. Its product description notes its Hall Effect magnetic switches are Redragon-exclusive and not cross-compatible with other brands.
Yes, both the Redragon Penumbra K687 HE and the Yunzii RT Pro HE feature rapid trigger technology, which allows for dynamic adjustment of the actuation point for faster key presses.
The Redragon Penumbra K687 HE features a CNC aluminum board, as stated in its vendor description. The case material for the Yunzii RT Pro HE is not specified as aluminum in the provided metadata.
The Redragon Penumbra K687 HE uses a gasket mount design. The Yunzii RT Pro HE uses a top mount structure, according to its specifications.
The Redragon Penumbra K687 HE includes the keyboard, a detachable USB Type-C cable, a keycap and switch puller, four spare switches, a sticker, and a user manual.
The Yunzii RT Pro HE has an 8000mAh battery, which should provide extended usage time in its wireless modes.
Yes, both keyboards use PBT keycaps. The Yunzii RT Pro HE specifically uses double-shot PBT and PC Cherry profile keycaps.
Both keyboards emphasize sound dampening. The Redragon Penumbra K687 HE lists a 5-layer system including PO foam, IXPE, PET, and silicone. The Yunzii RT Pro HE also mentions 5-layer padding with silicon sandwich, IXPE, PET, cotton, and bottom silicone for a silent experience.
Yes, the Yunzii RT Pro HE vendor description states it supports Windows, macOS, and Android. The Redragon Penumbra K687 HE also lists basic macOS support.
Both keyboards support software customization. The Redragon Penumbra K687 HE uses online driver and software support. The Yunzii RT Pro HE uses a web driver for reassigning keys, creating macros, and adjusting RGB lighting.
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