How Many FPS Does Portal Get with RX 7900 XT? Performance at 1080p, 1440p & 4K
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Portal system requirements
Official minimum and recommended requirements published by the developer.
Minimum
Recommended
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RX 7900 XT Specifications
Want the exact Portal FPS with your RX 7900 XT?
These FPS assume a reference CPU. Add your real processor and RAM and we'll tailor the estimate to your rig.
- Estimate tailored to your rig
- Customize resolution, quality, and RAM
Portal benchmark on RX 7900 XT: FPS by resolution and quality
Pick yours and we recalculate the whole table above with it.
Portal FPS with a RX 7900 XT and a Intel Core i5-13400
| Quality | 1080p (Full HD) | 1440p (2K) | 4K (Ultra HD) |
|---|---|---|---|
| Ultra | 110FPS min 74Good | 93FPS min 69Good | 61FPS min 53Good |
| High | 143FPS min 96Excellent | 120FPS min 88Excellent | 80FPS min 70Good |
| Medium | 186FPS min 125Excellent | 157FPS min 116Excellent | 104FPS min 90Good |
| Low | 241FPS min 162Excellent | 204FPS min 150Excellent | 135FPS min 117Excellent |
| Bottleneck (estimated) | CPU 34% | CPU 23% | balanced |
The percentage estimates how much of the stronger component's capability goes unused because of the other one.
This one does matter: from the Intel Core i9-14900K downwards the processor becomes the brake on the RX 7900 XT. There is 14% between the slowest and fastest CPU in the table. One caveat: this is at 1080p, where the CPU weighs most. At 1440p and 4K the graphics card takes over and the processor stops mattering.
FSR performance: FPS with AI upscaling
Upscaling renders Portal at a lower internal resolution and reconstructs the image, so you trade a little sharpness for extra frames. These are the estimated figures for the RX 7900 XT with FSR enabled, starting from its native Ultra FPS.
| Resolution | Native | FSR Quality | FSR Performance | + Frame generation |
|---|---|---|---|---|
| 1080p | 110 | 138 | 160 | 235 |
| 1440p | 93 | 126 | 153 | 214 |
| 4K | 61 | 88 | 113 | 150 |
Frame generation inserts intermediate frames: it raises the smoothness you see on screen, but it does not reduce input latency, so use it selectively in competitive games.
About ray tracing: every figure on this page is with ray tracing off. The RX 7900 XT does have dedicated hardware for it, so you can turn it on in games that implement it. The FPS cost swings widely depending on how much ray tracing each title uses, and FSR is exactly what people lean on to pay for it.
Estimated figures. The real gain varies by game and by the version of the technology.
Is the CPU or the graphics card holding you back?
These FPS assume a mid-range CPU that isn't a bottleneck — roughly a Intel Core i5-13400 — and 16 GB of RAM.
With that CPU, the RX 7900 XT has headroom to spare in Portal: the processor runs out before the graphics card does. A faster processor would gain you FPS; a stronger graphics card would barely help.
Is the RX 7900 XT Enough for Portal?
The RX 7900 XT delivers 110 FPS at 1080p Ultra in Portal. Enough for a smooth 60 FPS experience. For 144Hz, lower the quality to High.
At 1440p it gets 93 FPS and at 4K 61 FPS at Ultra quality.
Want more FPS in Portal?
Our guide collects the settings that give between +40% and +90% FPS in Portal with barely any visual loss. Recommended settings, GPU-specific tips (NVIDIA/AMD/Intel) and solutions to common game issues.
