Fortnite serves as a showcase for Unreal Engine 5. In 'Performance Mode', it runs on almost anything. However, enabling 'Lumen' (global illumination) and 'Nanite' (virtualized geometry) requires a powerful RTX 30/40 series GPU to maintain 60 FPS. The building mechanics also add a significant CPU load, especially in competitive end-games with dense player structures.
Actual FPS may vary based on RAM speed, background processes, and other system factors
Performance Report
At 1080p, all quality settings exceed 106 FPS. At 1440p, all settings exceed 88 FPS. At 4K, all settings exceed 62 FPS.
The GeForce RTX 4090 is 136% above the recommended GPU (GeForce GTX 1080) for Fortnite. The Core i3-13100F is 11% above the recommended CPU (Core i5-7300U).
The Core i3-13100F sets the FPS ceiling at all 1080p settings, all 1440p settings, 4k (low/high/ultra), while the GeForce RTX 4090 still has headroom. The FPS ceiling is closely matched at 4k medium.
Approximated average price on current market:
Combo price: $1768. At 1080p Ultra, this combo delivers 106 FPS, equivalent to 0.06 FPS per dollar.
| Resolution | Low | Medium | High | Ultra |
|---|---|---|---|---|
| 1080p | 0.179 fps/$ | 0.132 fps/$ | 0.081 fps/$ | 0.060 fps/$ |
| 1440p | 0.118 fps/$ | 0.097 fps/$ | 0.072 fps/$ | 0.050 fps/$ |
| 4k | 0.079 fps/$ | 0.063 fps/$ | 0.053 fps/$ | 0.035 fps/$ |
* Table values represent FPS per Dollar (higher is better)
This section is based on estimated CPU/GPU FPS ceilings, not utilization percentages.
At 1080p low, the Core i3-13100F sets the ceiling at about 315 FPS, while the GeForce RTX 4090 could reach 555 FPS. In this scenario, the CPU limits the GPU potential by 43% (FPS gap: 240 FPS). Overall distribution: CPU limits 11/12 cells, GPU limits 0/12, balanced 1/12.
Your Core i3-13100F is the limiting side in the heaviest mismatch. This means part of the GeForce RTX 4090 rendering potential remains unused in those settings.
| Resolution | Low | Medium | High | Ultra |
|---|---|---|---|---|
| 1080p (Full HD) | CPU Limits GPU 43% | CPU Limits GPU 37% | CPU Limits GPU 32% | CPU Limits GPU 43% |
| 1440p (2K QHD) | CPU Limits GPU 36% | CPU Limits GPU 20% | CPU Limits GPU 24% | CPU Limits GPU 33% |
| 4K (Ultra HD) | CPU Limits GPU 21% | Balanced | CPU Limits GPU 13% | CPU Limits GPU 18% |
We estimate the maximum FPS the processor can sustain and the maximum FPS the graphics card can sustain in each setting, then compare those limits directly.
Limit Factor formula: (stronger - weaker) / stronger. Example: if CPU ceiling is 200 FPS and GPU ceiling is 140 FPS, then GPU limits CPU by 30%.
CPU Limits GPU means the processor ceiling is lower. GPU Limits CPU means the graphics ceiling is lower. Balanced means the FPS ceilings are close enough that the gap is negligible.
A component can still be the FPS limiter without reaching 100% utilization. The displayed percentages are derived from FPS ceilings, not generic utilization heuristics.
| Resolution | Low | Medium | High | Ultra |
|---|---|---|---|---|
| 1080p (Full HD) | CPU67% - 91% <> GPU35% - 57% <> | CPU57% - 81% <> GPU68% - 77% <> | CPU41% - 62% <> GPU67% - 97% <> | CPU37% - 61% <> GPU67% - 97% <> |
| 1440p (2K QHD) | CPU63% - 82% <> GPU43% - 65% <> | CPU52% - 74% <> GPU77% - 97% <> | CPU39% - 64% <> GPU96% - 100% <> | CPU36% - 63% <> GPU94% - 100% <> |
| 4K (Ultra HD) | CPU63% - 82% <> GPU44% - 65% <> | CPU52% - 74% <> GPU77% - 98% <> | CPU41% - 60% <> GPU98% - 100% <> | CPU38% - 59% <> GPU96% - 100% <> |
The Core i3-13100F + GeForce RTX 4090 pairing runs this title with CPU utilization between 36% and 91% and GPU utilization between 35% and 100%. Core i3-13100F stays in a controlled operating range, while GeForce RTX 4090 carries most of the graphics load at heavier visual settings. As resolution scales, average GPU load rises from 71% at 1080p to 85% at 4K, while CPU averages move from 62% to 58%.
From a utilization perspective, this is a GPU-heavy load profile. At 4K (Ultra HD) High, the GeForce RTX 4090 averages 99% usage (98-100%), while the Core i3-13100F stays at 50% (41-60%). This shows the graphics pipeline is carrying most of the workload, but utilization alone does not define the FPS limiter.
At 1080p, averages sit around CPU 62% and GPU 71%. At 1440p, that shifts to CPU 59% and GPU 84%, and at 4K it reaches CPU 58% and GPU 85%. This shows that GPU demand scales sharply with resolution while CPU load remains comparatively stable.
4K (Ultra HD) Medium is the most balanced preset based on this dataset. It runs around CPU 63% (52-74%) and GPU 88% (77-98%), which keeps GeForce RTX 4090 well utilized without constant max-out behavior while Core i3-13100F remains stable for consistent frame delivery.
Current utilization does not show an urgent upgrade requirement for either component; the Core i3-13100F and GeForce RTX 4090 remain reasonably matched for this title.
Understanding Hardware Utilization: These percentages represent how much of your component's maximum processing power is actively being used during gameplay. They describe hardware load, but they do not directly tell you which component sets the FPS ceiling.
Important: a CPU or GPU can still be the FPS limiter without reaching 100% utilization. Two processors can both show 40% usage and still deliver very different frame rates, depending on per-core speed, cache, engine threading, driver overhead, and frame preparation efficiency.
Data generated by our Machine Learning engine trained on real-world benchmarks. Shows the approximate average utilization at each setting.
See how your processor and graphics card compare against the game official minimum and recommended system specs. The placement of your hardware is calculated using relative synthetic performance scores to help you gauge overall playability.
Your CPU is 11% above and your GPU is 136% above the recommended specs. High/Ultra at 1080p. Lower settings for higher resolutions.
+11%vsrecommended
+136%vsrecommended
+129%vsminimum
+521%vsminimum
Yes, the Core i3-13100F paired with the GeForce RTX 4090 can run Fortnite smoothly up to 4k achieving around 62 FPS at Ultra quality. Your GPU is 136% above the recommended specs, and your CPU is 11% above the recommended requirements.
This CPU + GPU combo costs approximately $1768 ($119 CPU (Rank #122 Value) + $1649 GPU (Rank #77 Value)). Since the CPU is the main limiting factor, investing in a stronger processor will improve your framerates and overall value. For example, the Ryzen 9 9950X is a great upgrade option for around $649 (Rank #5 for value).
For Fortnite, upgrading the CPU would have the biggest impact on performance. The Core i3-13100F is currently the limiting factor — the GeForce RTX 4090 has extra headroom that a faster processor could take advantage of. This is especially noticeable at 1080p where CPU performance matters more. CPU-limited at: 1080p low, 1080p medium, 1080p high, 1080p ultra, 1440p low, 1440p medium, 1440p high, 1440p ultra, 4k low, 4k high, 4k ultra.
Fortnite does not currently support Frame Generation technologies like DLSS 3 or FSR 3. Your performance is based entirely on native rendering. If the game adds support in a future update, newer GPUs will benefit the most.
Fortnite requires at minimum a Core i3-3225 (CPU) and GeForce GTX 960 (GPU) with 8 GB RAM and 30 GB storage. For the recommended experience, you need a Core i5-7300U and GeForce GTX 1080 with 16 GB RAM. Your Core i3-13100F and GeForce RTX 4090 both exceed the recommended specs, so you're well-positioned for a great experience.
These Fortnite FPS results are not arbitrary numbers. They come from calculations informed by thousands of real gaming benchmarks, and the typical accuracy range is around 10% to 15%. That makes them far more useful than generic FPS calculators that simply invent values without a benchmark foundation. Actual in-game performance can still vary with drivers, updates, RAM configuration, cooling, and the exact scene being rendered.
Performance estimates are based on synthetic benchmarks and hardware capabilities.
Results may vary based on drivers, OS, and background processes.
