Razer - BlackWidow V4 Pro vs Royal Kludge - RK R98 Pro
Where they actually differ
The most decisive specs, ranked by how much they matter — before the full spec table.
| Spec | Razer - BlackWidow V4 Pro | Royal Kludge - RK R98 Pro |
|---|---|---|
| Polling rate | 8000 Hz | 1000 Hz |
| Hot-swappable | false | true |
| Size | Full | 96% |
| Wireless | false | true |
Between the BlackWidow V4 Pro and RK R98 Pro, the BlackWidow V4 Pro comes out ahead in polling rate / size, while the RK R98 Pro wins on hot-swappable / wireless. Overall, the BlackWidow V4 Pro scores 73.9 and the RK R98 Pro scores 81.1 on our Mars Score.
Which should you buy?
The RK R98 Pro edges ahead on the Mars Score (73.9 vs 81.1), but the 7.2-point gap is small enough that the right pick comes down to which spec advantages matter to you.
Pick the BlackWidow V4 Pro if you care most about polling rate / size. The biggest gaps in its favor are polling rate, size. The single most decisive one: Polling rate — 700.00% more. 8000 Hz vs 1000 Hz.
Pick the RK R98 Pro if you care most about hot-swappable / wireless. Its strongest claims are hot-swappable, wireless. The single most decisive one: Has Hot-swappable.
Both ship with comparable rotary knob, so those specs do not separate the two — focus on the differences below.
Bottom line: the RK R98 Pro is the safer default. The other model is the right choice only when its specific advantages line up with your priorities.
Which should you buy: Razer - BlackWidow V4 Pro or Royal Kludge - RK R98 Pro?
Royal Kludge - RK R98 Pro leads the current Mars Score by 7.2 points.The more useful decision is the trade-off behind that result: compare size, wireless, hot-swappable against the way you will actually use the product.
Choose Razer - BlackWidow V4 Pro if…
Razer - BlackWidow V4 Pro has the measurable edge on polling rate hz, size.
Choose Royal Kludge - RK R98 Pro if…
Royal Kludge - RK R98 Pro has the measurable edge on is hot swap, is wireless.
This is a structured comparison of the published catalog values. It is not a claim of identical real-world performance across every workload; use the linked spec drill-downs and methodology page to inspect the inputs.
Why Razer - BlackWidow V4 Pro wins
- ▲Polling rate — 700.00% more. 8000 Hz vs 1000 Hz.
- ▲Size: Full (vs 96%).
Why Royal Kludge - RK R98 Pro wins
- ▲Has Hot-swappable.
- ▲Wireless: true (vs false).
Spec comparison
Switches
| Spec | Razer - BlackWidow V4 Pro | Royal Kludge - RK R98 Pro |
|---|---|---|
| Switch type | Razer Green | RK Cream Yellow |
| Hot-swappable | false | truelead |
Layout & Build
| Spec | Razer - BlackWidow V4 Pro | Royal Kludge - RK R98 Pro |
|---|---|---|
| Size | Fulllead | 96% |
| RGB | true | true |
| Rotary knob | true | true |
| Case material | Aluminum | Plastic |
Connectivity
| Spec | Razer - BlackWidow V4 Pro | Royal Kludge - RK R98 Pro |
|---|---|---|
| Wireless | false | truelead |
| 2.4 GHz | false | truelead |
| Battery | 0 h | 150 hlead |
| Polling rate | 8000 Hzlead | 1000 Hz |