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Head to head · Prices checked Nov 12, 2026

Redragon PENUMBRA K687 Pro vs K708Screen or CNC

Get the PENUMBRA K687 Pro for its vendor-listed CNC aluminum construction and five-layer dampening, or the K708 for its TFT display, Mac/Windows support, and 850g weight.

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Quick verdict

Which one should you get?

Get the

Redragon PENUMBRA K687 Pro

Build quality in the top 35% of 75% boards under $100.

If you want

  • CNC aluminum board, as described by Redragon.
  • Five-layer noise dampening, including 3.5mm PO foam, IXPE switch foam, PET sound pad, bottom socket foam, and a silicone bottom pad.

Get the

Redragon K708

Mac & Windows

Build quality in the top 20% of 75% boards under $50.

If you want

  • TFT color screen with keyboard status information and personalized GIF support, according to the vendor.
  • Listed at 850g.
  • Mac and Windows support is explicitly listed by the vendor.

Bottom line

Choose the PENUMBRA K687 Pro for its vendor-described CNC aluminum construction and five-layer dampening. Choose the K708 for its TFT screen, explicit Mac and Windows support, and lower listed weight. Both share a 75% layout, linear switches, gasket mounting, and three connection options.

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 PENUMBRA K687 Pro

Redragon K708

  • Display

    None

    TFT

    A case display rather than a typing feature

  • Weight

    1,800 g

    850 g

    Heavier boards stay planted and lighter ones travel

  • Keycaps

    PBT

    ABS, PBT

  • Mac & Windows

    No

    Yes

  • Dimensions

    43 x 132 x 43 mm

    43 x 335 x 140 mm

KeebFinder scores

How we score
  • Redragon PENUMBRA K687 Pro
  • Redragon K708
Performance
79
81
Build quality
73
80
Productivity
70
88
Customizability
61
79
Portability
74
81

What they share

  • Layout size: 75%
  • Connection: Bluetooth, 2.4 GHz, Wired
  • Hot-swappable
  • Case material: Aluminum
  • Switch options: Linear
  • Mount style: Gasket Mount
See every spec side by side

Best for

What will you mostly use it for?

The K708 takes most categories on the strength of its TFT display, explicit Mac and Windows support, and lower listed weight. Both boards share core traits such as a 75% layout, linear switches, gasket mounting, and three connection options, so those alone do not separate them. The K687 Pro remains a specific alternative for shoppers who value its vendor-described CNC aluminum board and five-layer dampening. Neither product's listed features establish a decisive difference for every buyer, especially where both share the relevant keyboard basics.

For gaming

Pick the Redragon K708

  • Both use linear switches, gasket mounts, and support wired, Bluetooth, and 2.4 GHz connections.
  • The K708 has a TFT screen that can display keyboard status, including battery level and connection mode.

Full specs

Redragon PENUMBRA K687 Pro vs K708 specs

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

5 of 19 specs differ

Redragon PENUMBRA K687 Pro

Redragon K708

Typing & switches

Switch options

Linear
Linear

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
Gasket Mount

Sound dampening

Yes
Yes

Layout

Layout size

75%
75%

Layout standard

ANSI
ANSI

Ergonomics

Standard
Standard

Knob

Yes
Yes

Display

None
TFT

Connectivity & battery

Connection

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

USB-C

Yes
Yes

Build & materials

Case material

Aluminum
Aluminum

Keycaps

PBT
ABS, PBT

Weight

1,800 g
850 g

Dimensions

43 x 132 x 43 mm
43 x 335 x 140 mm

Backlight

RGB
RGB

Firmware & software

N-key rollover

Yes
Yes

Mac & Windows

No
Yes

Extras

Released

2024
2024

Where to buy

Compare prices

Live prices from the stores we track, cheapest in-stock offer first.

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Lowest price across stores, Amazon excluded.

FAQ

Redragon PENUMBRA K687 Pro vs K708: your questions

The K687 Pro vendor description highlights a CNC aluminum board and five-layer noise dampening. The K708 adds a TFT screen and is listed at 850g.

Yes, the K708 is listed with a TFT screen. Its vendor description says the screen can show information such as battery level, date, and connection mode, and can display personalized GIF animations.

No, its product listing specifies that it has no screen. The K687 Pro instead has a dedicated knob for lighting and media controls, according to Redragon.

The K708 is listed at 850g, while the K687 Pro is listed at 1800g. The K708 is the lighter choice based on those listed weights.

Both listings include Bluetooth, 2.4 GHz, and wired connectivity. The K687 Pro vendor describes these as three connection modes.

Both product listings identify hot-swappable switches. The K708 vendor says its sockets support almost all 3-pin and 5-pin switches, while Redragon describes the K687 Pro socket as compatible with nearly all 3-pin and 5-pin switches.

The K708 vendor listing explicitly names macOS compatibility, alongside Windows versions. The K687 Pro metadata does not list Mac support.

Redragon describes five layers of dampening in the K687 Pro, including PO foam, IXPE switch foam, a PET sound pad, bottom socket foam, and a silicone bottom pad. The K708 vendor description specifically mentions Poron and silicone pads.

Both are listed with knob support. Redragon says the K687 Pro knob controls backlight brightness and media, while the K708 vendor says its knob adjusts lighting brightness, volume, and lighting modes.

Yes, both are listed as 75% keyboards with an ANSI layout. Redragon describes the K687 Pro as an 81-key board, and the K708 vendor listing also specifies 81 keys plus a knob.

The K708 is listed at 850g, compared with 1800g for the K687 Pro, making it the lighter option by listed weight. Both support Bluetooth and 2.4 GHz wireless connectivity.

Both product metadata listings specify linear switches. The K708 vendor further identifies its switches as pre-lubed Sunuo linear switches.

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