Core Ultra 9 285K + RX 7900 XT: bottleneck check
Balanced at 1440p.
Well matched at 1440p. The RX 7900 XT is the slightly busier part, by about 12%.
By resolution
| Resolution | Limiting part | Severity | Verdict |
|---|---|---|---|
| 1080p | GPU | 4% | balanced |
| 1440p | GPU | 12% | balanced |
| 4K | GPU | 30% | GPU-bound (normal) |
The RX 7900 XT is the limiting part at every resolution, which is the healthy direction, and the gap is small enough that neither part is wasted. Upgrade the GPU first when you want more frames.
Specifications
| Cores / threads | 24 / 24 |
|---|---|
| Max boost | 5.7 GHz |
| Socket | LGA1851 |
| Maximum turbo power (MTP) | 250 W Intel's published maximum sustained turbo power, above its base power; the PSU estimate uses it, so it errs high · Intel ARK |
| Released | 2024 |
| Gaming index | 84 / 100 |
| Multi-core index | 97 / 100 |
| VRAM | 20 GB |
|---|---|
| Board power | 315 W |
| Released | 2022 |
| 1080p index | 62.0 / 100 |
| 1440p index | 57 / 100 |
| 4K index | 52.4 / 100 |
Power supply
The RX 7900 XT measured 320 W average while gaming (412 W highest 20 ms spike, TechPowerUp). With the Core Ultra 9 285K at its maximum turbo power of 250 W and about 75 W for the rest of the system, the sustained load is about 645 W. A 850 W unit is the safe choice. Details on the RX 7900 XT PSU page or try other pairs in the PSU calculator.
Upgrade paths
CPUs that remove the bottleneck
LGA1851Cards that use the Core Ultra 9 285K fully
Best CPU for the RX 7900 XT Best GPU for the Core Ultra 9 285K RX 7900 XT PSU requirements
Same CPU, other cards
AllSame card, other CPUs
AllIndexes are relative estimates aggregated from published reviews; real results vary by game, settings, memory speed and drivers. Methodology.