Fortnite

Resolution Scaling

The measured FPS data for Fortnite on this AMD Ryzen 5 5600 + NVIDIA GeForce RTX 4070 combination shows a clear and predictable scaling pattern as resolution increases. At 1080p with Low settings, the system achieves 339.9 FPS, but this drops to 215.2 FPS at 1440p and further to 110.9 FPS at 4K. That represents a 36.7% reduction from 1080p to 1440p and a 67.4% reduction from 1080p to 4K. This steep decline indicates that at lower resolutions, the system is heavily CPU-bound, while the GPU becomes the limiting factor as pixel count rises.

The scaling pattern becomes more telling when looking at High settings. At 1080p High, the system produces 182.1 FPS, which falls to 116 FPS at 1440p (a 36.3% drop) and 63.4 FPS at 4K (a 65.2% drop from 1080p). The consistency of these percentage drops across settings suggests the rendering pipeline is well-balanced for this game, with no single component creating a bottleneck at any specific resolution. However, the Ultra preset tells a slightly different story: 118.8 FPS at 1080p falls to 78.4 FPS at 1440p and 42.2 FPS at 4K. The 4K Ultra result is particularly notable because it drops below the 60 FPS threshold, indicating that this preset at 4K pushes the RTX 4070 to its practical limits in Fortnite.

What the data reveals about the limiting component is that the Ryzen 5 5600's six cores and 12 threads are sufficient to feed the RTX 4070 at 1080p, as evidenced by the 339.9 FPS Low result. But as resolution increases, the GPU's workload grows quadratically with pixel count, and the frame rate drops proportionally. The 4K results, ranging from 42.2 FPS at Ultra to 110.9 FPS at Low, demonstrate that the GPU is the primary constraint at this resolution, while the CPU has headroom to spare.

GPU Role

The NVIDIA GeForce RTX 4070 features 12 GB of GDDR6X memory on a 192-bit bus, delivering 504.2 GB/s of bandwidth. This memory configuration is directly relevant to Fortnite's performance at higher resolutions. At 4K with Ultra settings, the game requires substantial texture memory and bandwidth, and the 12 GB capacity ensures the card does not run out of VRAM, which would cause stuttering or texture pop-in. The 504.2 GB/s bandwidth proves adequate for the 42.2 FPS Ultra result, though the frame rate indicates the GPU's compute resources are the limiting factor rather than memory throughput.

The card's clock speeds — 1920 MHz base and 2475 MHz boost — combine with 5888 shading units and 64 ROPs to produce 29.15 TFLOPS of FP32 compute. These specifications translate directly into the measured results. At 1080p Low, the GPU is barely challenged, and the 339.9 FPS result is likely constrained by the CPU's single-thread performance. As settings increase to Ultra at 1080p, the frame rate drops to 118.8 FPS, showing that the additional shading work from Ultra effects (shadows, lighting, post-processing) significantly increases GPU load.

The RTX 4070's 46 RT cores and 184 tensor cores are present in the architecture, though Fortnite's standard rendering path does not heavily utilize these features in the measured presets. The card's 200 W TDP and dual-slot design indicate it is a mainstream power draw, and the 1x 16-pin power connector suggests modern power delivery requirements. The GPU's passmark G3D score of 26927 places it in the 81st percentile of all GPUs, and its nearest rivals include the AMD Radeon RX Vega 56 (0.6% lower score) and NVIDIA GeForce MX570 A (1.9% higher score). This competitive positioning is reflected in Fortnite's frame rates, which show the card performing as expected for its class.

FAQ

Q: What is the best resolution for competitive play with this combo?

A: For maximum frame rates, 1080p with Low settings delivers 339.9 FPS, which is ideal for high-refresh-rate competitive monitors. At 1440p Low, the system still produces 215.2 FPS, making it viable for 144Hz displays.

Q: Can this system handle 4K gaming in Fortnite?

A: Yes, but with caveats. At 4K High, the system averages 63.4 FPS, which is playable. However, 4K Ultra drops to 42.2 FPS, which may feel less smooth. For 4K, Medium settings at 80 FPS provide the best balance of visuals and performance.

Q: How does the Ryzen 5 5600's CPU performance affect Fortnite?

A: The CPU's Cinebench R23 multi-core score of 18309 and single-core score of 2584 indicate strong performance. At 1080p Low, the 339.9 FPS result shows the CPU can drive very high frame rates. The CPU's 79th percentile ranking among all CPUs means it outperforms most processors in general compute tasks.

Q: Does the RTX 4070's 12 GB VRAM matter for Fortnite?

A: At the measured settings, 12 GB is sufficient. The highest VRAM usage occurs at 4K Ultra, where the card still delivers 42.2 FPS without memory-related stutters. The 504.2 GB/s bandwidth is also adequate for this game's texture streaming.

Q: What is the FPS difference between Low and Ultra at 1080p?

A: At 1080p, Low produces 339.9 FPS, while Ultra produces 118.8 FPS. This is a 221.1 FPS difference, representing a 65% reduction in performance when moving from Low to Ultra, which shows the significant GPU load from Ultra settings.

Q: How does this combo rank among tested systems?

A: This combination ranks 371st out of 1564 tested combos in Fortnite, placing it in the top 24% of all systems. This indicates above-average performance for the game.

Settings Recommendations

For players prioritizing high refresh rates, the Low preset at 1080p is the clear choice, delivering 339.9 FPS. This setting is optimal for competitive play where frame rate matters more than visual fidelity. At 1440p, Low still provides 215.2 FPS, making it suitable for high-refresh 1440p monitors. The Medium preset offers a reasonable middle ground: 240.7 FPS at 1080p and 150.4 FPS at 1440p, providing better visuals while maintaining triple-digit frame rates.

For visually oriented players, the High preset at 1080p (182.1 FPS) or 1440p (116 FPS) offers a good balance. The Ultra preset, while visually impressive, drops to 118.8 FPS at 1080p and 78.4 FPS at 1440p, which is still playable but may not be optimal for fast-paced gameplay. At 4K, the recommendation depends on the target frame rate: Medium at 80 FPS provides the best experience, while High at 63.4 FPS is acceptable for less competitive play. Ultra at 4K (42.2 FPS) is generally not recommended for smooth gameplay.

The data suggests that for most users, Medium settings provide the best overall experience across resolutions. At 1080p Medium (240.7 FPS), 1440p Medium (150.4 FPS), and 4K Medium (80 FPS), the system delivers smooth frame rates with improved visuals over Low. Players with high-refresh displays (144Hz or 240Hz) should prioritize Low or Medium at 1080p or 1440p to maximize frame rates.

Measured FPS Breakdown

The full measured data for this combo in Fortnite is as follows:

1920x1080 (1080p):

• Low: 339.9 FPS
• Medium: 240.7 FPS
• High: 182.1 FPS
• Ultra: 118.8 FPS

2560x1440 (1440p):

• Low: 215.2 FPS
• Medium: 150.4 FPS
• High: 116 FPS
• Ultra: 78.4 FPS

3840x2160 (4K):

• Low: 110.9 FPS
• Medium: 80 FPS
• High: 63.4 FPS
• Ultra: 42.2 FPS

These numbers reveal that the system maintains playable frame rates (above 60 FPS) at nearly all settings, with the sole exception being 4K Ultra at 42.2 FPS. The gap between Low and Ultra widens with resolution: at 1080p, the difference is 221.1 FPS; at 1440p, it's 136.8 FPS; at 4K, it's 68.7 FPS. This narrowing gap indicates that at higher resolutions, the GPU becomes the bottleneck, and settings changes have less absolute impact.

The 1080p Low result of 339.9 FPS is particularly noteworthy, as it approaches the limits of most high-refresh monitors. The 4K Low result of 110.9 FPS shows that even at 4K, the system can achieve triple-digit frame rates with minimal settings. The Medium preset at 4K (80 FPS) provides a solid 4K experience, while High at 4K (63.4 FPS) is the highest preset that maintains a 60 FPS average.

CPU Role

The AMD Ryzen 5 5600 is a 6-core, 12-thread processor based on the Zen 3 architecture (Vermeer codename), manufactured on TSMC's 7nm process. It boosts up to 4.40 GHz from a 3.50 GHz base clock, with 32 MB of shared L3 cache. These specifications are directly relevant to Fortnite's performance, as the game benefits from strong single-thread performance for physics and game logic, while multi-threading helps with asset streaming and background tasks.

The CPU's benchmark results show a single-thread score of 882 in 3DMark and 2584 in Cinebench R23, indicating strong per-core performance. Its multi-thread scores (5659 in 3DMark max threads, 18309 in Cinebench R23 multi-core) are competitive for a 6-core part. The CPU ranks in the 79th percentile of all CPUs, with nearest rivals including the Intel Xeon D-1746TER (0.6% higher score) and AMD EPYC 9554P (0.6% lower score). This mid-80th-percentile positioning means the CPU is well-matched to the RTX 4070 for Fortnite.

The evidence of CPU involvement in Fortnite's performance comes from the 1080p Low result of 339.9 FPS. This extremely high frame rate cannot be achieved without strong single-thread performance, and the Ryzen 5 5600's 4.40 GHz boost clock and Zen 3 architecture deliver this. At 1440p Low (215.2 FPS), the CPU still has influence, but the GPU is becoming more significant. By 4K Low (110.9 FPS), the CPU is no longer the primary constraint, as the GPU's pixel throughput dominates.

The combo's overall rank of 371 out of 1564 tested systems (top 24%) reflects a balanced pairing. The Ryzen 5 5600's 65 W TDP and AM4 socket compatibility make it a practical choice, and its DDR4 memory support (dual-channel, 51.2 GB/s bandwidth) provides sufficient bandwidth for Fortnite's memory access patterns. The CPU's 20 PCIe Gen 4 lanes ensure the RTX 4070 has full bandwidth for data transfer, which is particularly important at high resolutions where texture data is large.