Radeon RX 550X vs Radeon RX 550 512SP
The Radeon RX 550X is the faster card — roughly 8% ahead of the Radeon RX 550 512SP on our spec-derived score, and it's the better pick if you're targeting 1080p. The Radeon RX 550 512SP still makes sense if it's meaningfully cheaper or you're gaming at a lower resolution. Run your full build through BuildForge to see whether your CPU can actually keep either card fed before you spend.
Spec comparison
FPS by game
Estimated average frame rates assuming a capable CPU, from the same model that powers the live BuildForge analyzer. Real numbers vary with settings, drivers, and the rest of your build.
| Game | 1080p | 1440p | 4K |
|---|---|---|---|
| Counter-Strike 2 | 180/180 | 130/130 | 80/80 |
| Fortnite | 50/50 | 36/36 | 22/22 |
| Call of Duty: Warzone | 50/50 | 36/36 | 22/22 |
| Elden Ring | 38/38 | 28/28 | 16/16 |
| Baldur's Gate 3 | 38/38 | 28/28 | 16/16 |
| Cyberpunk 2077 | 22/22 | 16/16 | 9/9 |
Where to buy
Will your CPU bottleneck either card?
A faster GPU only helps if the rest of your build can feed it. Drop in your full specs and BuildForge tells you the real bottleneck, FPS for the games you play, and the upgrade that actually moves the needle.
Analyze my PC — freeFAQ
Is the Radeon RX 550X better than the Radeon RX 550 512SP?
Yes — the Radeon RX 550X is about 8% faster than the Radeon RX 550 512SP on our spec-derived score, so it's the stronger card for higher resolutions and refresh rates.
What FPS do the Radeon RX 550X and Radeon RX 550 512SP get at 1440p?
Across a mix of esports and AAA titles, the Radeon RX 550X averages around 46 FPS at 1440p and the Radeon RX 550 512SP around 46 FPS, assuming a CPU that isn't holding them back.
Which is the better value, the Radeon RX 550X or the Radeon RX 550 512SP?
It depends on the price you can find each at — GPU prices move constantly. Check the live Amazon price for both, then run your full build through BuildForge to confirm your CPU and PSU can support the card before buying.
Related comparisons
As an Amazon Associate, BuildForge earns from qualifying purchases. FPS figures are model estimates calibrated against public benchmarks, not measured results; specs from the MIT-licensed DBGPU dataset.