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Compare Womier RD75 Pro vs SK75 Differences Side by Side

This comparison helps buyers decide between two premium 75% mechanical keyboards from Womier: the RD75 Pro and the SK75. Both feature CNC machined aluminum cases, gasket mount designs, hot-swap PCBs, and tri-mode wireless connectivity. The decision is hard because they share the same layout size and construction philosophy, but differ sharply in battery capacity, firmware support, and available layouts. The RD75 Pro is the more feature-rich and performance-focused option, while the SK75 offers a practical alternative for users who need ISO-DE or white variants.

87
Womier RD75 Pro Aluminum 75% Hotswap Wireless Keyboard
73
Womier SK75 Black (ISO-DE)

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  • Released in 2024
  • Built with the ANSI, ISO layout standard
  • Compatible with both Mac and Windows
  • Supports QMK firmware
  • Features N-key rollover
  • Runs at a 1000 Hz polling rate
  • Equipped with a 8000 mAh battery
  • Features PBT keycaps
  • Released in 2025
  • Has Linear, Clicky switch options
  • Built with the ISO-DE, ISO, ANSI layout standard
  • Equipped with a 4000 mAh battery
  • Weighs about 1860 g
  • Features PBT, POM keycaps
Scores
  • Performance: 81.7
  • Build Quality: 82.9
  • Productivity: 89.1
  • Customizability: 86.5
  • Portability: 91.6
Scores
  • Performance: 68.6
  • Build Quality: 75.4
  • Productivity: 68.6
  • Customizability: 68.7
  • Portability: 78.9
Name
Womier RD75 Pro
Name
Womier SK75
Release year
2024
Release year
2025
Switch Options
-
Switch Options
Linear, Clicky
Profile
Normal Profile
Profile
Normal Profile
Hot Swappable
 
Hot Swappable
 
Layout Size
75%
Layout Size
75%
Layout Standard
ANSI, ISO
Layout Standard
ISO-DE, ISO, ANSI
Layout Ergonomics
Normal
Layout Ergonomics
Normal
Knob Support
 
Knob Support
 
Display Support
 
Display Support
 
Mac/Win Support
 
Mac/Win Support
 
Multi-Media Keys
 
Multi-Media Keys
 
USB-C
 
USB-C
 
USB passthrough
 
USB passthrough
 
Connection
Bluetooth, 2.4 GHz, Wired, Wireless
Connection
Bluetooth, 2.4 GHz, Wired, Wireless
Polling Rate
1000 Hz
Polling Rate
-
Battery capacity
8000 mAh
Battery capacity
4000 mAh
Hall Effect Support
 
Hall Effect Support
 
QMK Support
 
QMK Support
 
VIA Support
 
VIA Support
 
VIAL Support
 
VIAL Support
 
N-Key Rollover
 
N-Key Rollover
 
Rapid Trigger
 
Rapid Trigger
 
Mount Style
Gasket Mount
Mount Style
Gasket Mount
Screw in Stabilizers
 
Screw in Stabilizers
 
Sound Dampening
 
Sound Dampening
 
Backlight
 
Rgb, South-face
Backlight
 
Rgb, South-face
Case Colors
Case Colors
Case Material
Aluminum
Case Material
Aluminum
Keycaps Material
PBT
Keycaps Material
PBT, POM
Dimensions
-
Dimensions
-
Weight
-
Weight
1860g
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Pros and Trade-offs

The Womier RD75 Pro is the stronger choice for most buyers due to its double battery capacity, QMK and VIA support, and higher gaming and productivity specs. The SK75 is a suitable alternative only if you specifically need an ISO-DE layout or white color option. For everyone else, the RD75 Pro offers better value and longevity for a similar price range.

Womier RD75 Pro

  • +8000mAh battery capacity provides approximately double the wireless runtime of the SK75.
  • +QMK and VIA support enables deep firmware-level customization and macro programming.
  • +1000 Hz polling rate in wired and 2.4 GHz modes for responsive gaming and real-time input.
  • +Cherry profile Double Shot PBT keycaps offer durable legends and a classic feel.
  • +Hidden dongle storage slot on the brushed stainless steel weight keeps the receiver secure.
  • −No ISO-DE layout option; only ANSI physical layout is available.
  • −No white color variant offered; available in Black, Beige, and Silver.

Womier SK75

  • +Available in a white color variant that matches bright or minimalist setups.
  • +ISO-DE layout option for users who need German key labeling and physical layout.
  • +Gasket mount design with aluminum case offers a solid typing feel and acoustic damping.
  • +VIA support allows key remapping without flashing firmware.
  • −4000mAh battery capacity is half that of the RD75 Pro, requiring more frequent charging.
  • −No QMK support; only VIA is listed for software customization.
  • −Does not include N-Key Rollover (NKRO) in the provided specifications.
  • −No 1000 Hz polling rate confirmed; performance score is lower relative to price tier.

Which Keyboard Is Better for Your Needs?

The Womier RD75 Pro wins in every use case (Gaming, Office, Programming, Travel, Modding, Content Creation) due to its superior battery life (8000mAh vs 4000mAh), QMK and VIA programmability, and higher internal scores for performance and productivity. The SK75 does not match the RD75 Pro's feature depth, making it the less versatile choice. If you need a white keyboard or ISO-DE layout, the SK75 remains the only option, but for raw capability, the RD75 Pro is the clear pick.

GamingWomier RD75 Pro
  • •1000 Hz polling rate in wired and 2.4 GHz mode for low latency.
  • •Higher internal performance score relative to price tier.
  • •Includes N-Key Rollover (NKRO) for reliable simultaneous key presses.
OfficeWomier RD75 Pro
  • •8000mAh battery capacity provides much longer wireless runtime between charges.
  • •QMK and VIA support allows extensive key remapping and macro creation.
  • •Mac/Win support listed, making it easier to switch between operating systems.
ProgrammingWomier RD75 Pro
  • •QMK and VIA support enables custom layers and complex keybindings for efficiency.
  • •Cherry profile Double Shot PBT keycaps provide durable, legible legends.
  • •Higher productivity score relative to price tier indicates better feature set for coding workflows.
TravelWomier RD75 Pro
  • •8000mAh battery capacity nearly doubles the SK75's 4000mAh, reducing need for frequent charging.
  • •Hidden dongle storage slot on the weight keeps the 2.4 GHz adapter secure and easy to carry.
  • •Higher portability score relative to price tier suggests better overall travel readiness.
ModdingWomier RD75 Pro
  • •Programmable via QMK and VIA for deep customization of firmware and keymaps.
  • •Non flex-cut PCB available for separate purchase for users who prefer a stiffer typing feel.
  • •Ball-catch structure with PCB gasket mount design allows easier disassembly compared to traditional screw mounts.
Content CreationWomier RD75 Pro
  • •QMK and VIA support enables custom shortcuts for video editing and design software.
  • •8000mAh battery ensures all-day wireless use without interruption during creative sessions.
  • •Higher productivity score relative to price tier reflects stronger feature set for demanding workflows.

Frequently Asked Questions (FAQ)

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