Bottleneck by resolution
Same engine as the builder. At 1080p the CPU does more of the work; at 4K the GPU carries the load, so the verdict changes with your monitor.
The verdict, in full
Written from this pair's own engine output: the score, the bottleneck direction and the resolution it changes at.
This pairing works, but it is lopsided the other way. The engine scores it 74 out of 100 and the note is telling: the Ryzen 7 9800X3D is faster than the RTX 5070 12GB needs. There is no bottleneck hurting your frames. The concern is your wallet.
You are putting a 8-core processor behind a 1440p and 4K card. In games the GPU is the ceiling, so a good share of that CPU sits idle. This only makes sense if the machine also does heavy CPU work such as editing, compiling or streaming, where the Ryzen 7 9800X3D earns its keep outside gaming.
For pure gaming, a cheaper CPU frees up budget for a stronger card, and the card is what actually moves your frame rate. Load both parts into the builder and try that swap before you pay.
Real-world performance
What this pair is built to handle. These are engine-derived tiers, not benchmarked figures. I will not print an FPS number I cannot source.
Who this is for
Makes sense if
- You edit, compile or stream alongside gaming
- The RTX 5070 12GB is a placeholder you plan to replace
- You already own the CPU
Rebalance if
- Gaming is the only job this PC has
- You are buying both parts new today, in which case move budget into the GPU
Finishing the build
Common questions
Opens the builder with both parts loaded. Swap either side and watch the score move before you spend anything.