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Compare two products
Pick any two products from our reviews and see specifications, price, buyer ratings and our scores in one table.
Recorded evidence
What separates these listings
- Price snapshot
- $53.00 price gap
- Product A has the lower captured price. This excludes delivery and ongoing costs.
- Editorial assessment
- 3.6-point score gap
- Product B has the higher research score, not a measured performance advantage.
- Specification coverage
- 9 of 20 fields shared
- Shared labels have recorded values on both sides; matching labels do not guarantee matching units or test conditions.
Product A
Redragon K521 Upgrade Rainbow LED Gaming Keyboard, 104 Keys Wired
- Potential fit
- Entry-level desktop setups on a strict budget
- Trade-off to resolve
- Not a true mechanical switch keyboard
Product B
AULA F75 Pro Wireless Mechanical Keyboard,75% Hot Swappable Custom
- Potential fit
- Enthusiast-leaning compact desk setups
- Trade-off to resolve
- Side-printed legends reduce low-light readability
Side-by-side evidence
20 of 20 recorded specification fields shown
| Side by side |  |  |
|---|---|---|
| Buyer rating | 4.3 | 4.6 |
| Price | $15.99 | $68.99 |
| Our score | 5.1/10 | 8.7/10 |
| Ratings count | 11,483 ratings | 1,902 ratings |
| Brand | Redragon | AULA |
| Best for | Entry-level desktop setups on a strict budget | Enthusiast-leaning compact desk setups |
| Build quality | 4.8/10 | — |
| Typing feel | 4.2/10 | — |
| Modularity | 2.5/10 | — |
| Gaming performance | 5.8/10 | — |
| Value for money | 8.0/10 | — |
| Acoustic dampening | — | 9.0/10 |
| Keycap quality | — | 8.8/10 |
| Switch flexibility | — | 9.2/10 |
| Connectivity & battery | — | 8.6/10 |
| Firmware & controls | — | 7.8/10 |
| Compatible Devices | Laptop, PC | Gaming Console, Laptop, PC, Smartphone, Tablet |
| Connectivity Technology | USB-A | 2.4GHz Wireless, BT5.0, USB-C |
| Keyboard Plate Material | ABS | Not recorded |
| Additional Features | Backlit, Quiet | Backlit, Hot-Swappable, Programmable Keys, Rechargeable, Volume Roller |
| Switch Type | Mechanical | Linear |
| Keyboard Layout | QWERTY | QWERTZ |
| Hand Orientation | Ambidextrous | Ambidextrous |
| Number of Keys | 104 | 81 |
| Color | Black | F75 Pro-Black |
| Style Name | Classic | Contemporary |
| Keyboard Description | Gaming | Not recorded |
| Antenna Location | Gaming | Not recorded |
| Built-In Media | USB Cable, Keycaps | Not recorded |
| Brand | Redragon | Not recorded |
| Keyboard Backlighting Color Support | Not recorded | RGB |
| Number of Batteries Required | Not recorded | 1 |
| Button Quantity | Not recorded | 81 |
| Water Resistance Level | Not recorded | Water Repellent |
| Number of Sections | Not recorded | 1 |
| Theme | Not recorded | Hot Swappable, Rainbow, Wireless |
| Our verdict | This is a budget-oriented membrane keyboard designed to mimic mechanical aesthetics. Given its price point, it lacks the tactile customization, gasket mounting, and hot-swap capabilities found in true mechanical boards. | A well-specified 75-percent board offering tri-mode wireless, pre-lubed switches, and shine-resistant side-printed PBT keycaps. Hot-swap sockets provide a straightforward upgrade path if switch preferences change over time. At seventy dollars, it balances modern enthusiast features with everyday convenience. |
| Pros and cons |
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Prices and buyer ratings are captured snapshots. A dash means the detail was not recorded, not that a feature is absent. Editorial scores are research assessments, not laboratory measurements.
Sources and limits
This page summarizes our research reviews of Amazon listings, listed specifications and captured buyer ratings. It is not a hands-on test. Scores are editorial assessments, not measured performance; prices are recorded snapshots and may change. A category can include both main products and accessories, so its overall price range is not the cost of a complete setup.
Most recent product record update: September 25, 2026. Individual records may be older; this is not a verification date for every claim. Prices on this page were read from the listings Nov 8, 2026.
- Amazon listing: Redragon K521 Upgrade Rainbow LED Gaming Keyboard, 104
- Amazon listing: AULA F75 Pro Wireless Mechanical Keyboard,75% Hot
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