Core Ultra 7 265K + Arc A770: bottleneck check
GPU-limited at 1440p. GPU-bound (normal).
The Arc A770 is the part working hardest at 1440p, which is what you want. The Core Ultra 7 265K keeps about 30% in reserve.
By resolution
| Resolution | Limiting part | Severity | Verdict |
|---|---|---|---|
| 1080p | GPU | 24% | GPU-bound (normal) |
| 1440p | GPU | 30% | GPU-bound (normal) |
| 4K | GPU | 46% | CPU overkill |
The Arc A770 is the limit at every resolution and by a wide margin at 4K (46%). The Core Ultra 7 265K is overkill for this card: a faster GPU would give you far more frames than any CPU change.
Specifications
| Cores / threads | 20 / 20 |
|---|---|
| Max boost | 5.5 GHz |
| Socket | LGA1851 |
| Max turbo power | 250 W |
| Released | 2024 |
| Gaming index | 80 / 100 |
| Multi-core index | 90 / 100 |
| VRAM | 16 GB |
|---|---|
| Board power | 225 W |
| Released | 2022 |
| 1080p index | 31.8 / 100 |
| 1440p index | 26 / 100 |
| 4K index | 21.2 / 100 |
Power supply
CPU 250 W + GPU 225 W + about 100 W for motherboard, memory, storage and fans gives an estimated peak load of 575 W. We recommend a 750 W unit (80 Plus Gold or better) so transient spikes from the graphics card stay inside the PSU's comfort zone. Try other pairs in the PSU calculator.
Upgrade paths
CPUs that remove the bottleneck (LGA1851)
- Core Ultra 5 245K + Arc A770 (gaming index 76)
- Core Ultra 9 285K + Arc A770 (gaming index 84)
GPUs that use the Core Ultra 7 265K more fully
- Core Ultra 7 265K + RX 7900 XTX (1440p index 66)
- Core Ultra 7 265K + RTX 4080 Super (1440p index 64)
- Core Ultra 7 265K + RTX 5070 Ti (1440p index 62)
Best CPU for the Arc A770 Best GPU for the Core Ultra 7 265K Arc A770 PSU requirements
Compare nearby pairs
Same CPU, other GPUs
Indexes are relative estimates aggregated from published reviews; real results vary by game, settings, memory speed and drivers. Methodology.