Rust

How This Combo Ranks

The AMD Ryzen 9 9900X3D paired with the NVIDIA GeForce RTX 4080 holds the 178th position out of 3,723 tested combos in Rust. That places this configuration in the top 4.8% of all recorded combinations in the database. The ranking reflects the combined capability of the 12-core, 24-thread Zen 5 processor and the Ada Lovelace-based GPU when handling Rust's demanding simulation and rendering workloads.

This position is strong but not dominant. The data shows a clear gap to the absolute top-tier combinations, yet the combo outperforms the vast majority of systems tested. The CPU's 3D V-Cache, listed as 128 MB of L3 cache, likely contributes to Rust's notoriously cache-sensitive performance. The GPU, with its 16 GB of GDDR6X memory, ensures that texture-heavy scenes and large bases do not cause frame time spikes.

GPU Role

The NVIDIA GeForce RTX 4080 uses 16 GB of GDDR6X memory across a 256-bit bus, delivering 716.8 GB/s of bandwidth. The core runs at a base clock of 2205 MHz and boosts to 2505 MHz. Memory operates at 1400 MHz with 22.4 Gbps effective data rate. These specifications dictate how the GPU handles Rust's environment, which includes large draw distances, dynamic lighting, and many interconnected entities.

At 4K resolution, the GPU becomes the primary limiting factor. The measured data shows 66 FPS average at High settings in 3840x2160, dropping to 50 FPS at Ultra. This indicates that while the RTX 4080 has substantial compute power, Rust's Ultra preset pushes beyond what this GPU can sustain at 4K. The 16 GB memory capacity prevents texture swapping issues, but the raw shading throughput, 48.74 TFLOPS FP32, still falls short for Ultra settings at this resolution.

At 1440p and 1080p, the GPU workload lessens, and the CPU's role increases. The RTX 4080 delivers 112 FPS at 1440p High and 163 FPS at 1080p High. These figures align with the GPU's pixel rate of 280.6 GPixel/s and texture rate of 761.5 GTexel/s. The GPU's 76 RT cores and 304 tensor cores do not directly apply to Rust, which does not use ray tracing in these measurements, but they indicate headroom for other workloads.

The RTX 4080 ranks at the 86th percentile among all GPUs in the database. Its average benchmark score of 54,247 puts it nearly identical to the RTX 4080 SUPER, which scores 54,209 with a 0.1% delta. The AMD Radeon Pro W5700X sits 1.1% higher, while the Radeon RX 6750 GRE 12 GB is 2.6% below. This GPU is effectively at parity with its immediate successor in overall benchmarks, though the SUPER variant does not appear as a distinct measured FPS entry in this game.

Settings Recommendations

The measured FPS values across four presets and three resolutions provide clear guidance. For 1080p, the Medium preset delivers 193 FPS average with a minimum of 164 FPS and maximum of 222 FPS. This is the sweet spot: it provides a substantial improvement over High (163 FPS) while maintaining frame times that exceed most displays' refresh rates. Low reaches 272 FPS, but that level of performance is unnecessary for standard monitors.

At 1440p, Medium again offers the best balance. The 133 FPS average with a 113 FPS minimum keeps gameplay smooth even during heavy base raids or large player gatherings. High runs at 112 FPS, which is still playable, but the minimum frame data is absent, suggesting less consistent performance. Medium provides recorded minimums, indicating the database captured more stable frame pacing.

For 4K, High becomes the recommended choice. The 66 FPS average is playable, while Medium drops to 79 FPS but with a 67 FPS minimum. The difference between High and Medium at this resolution is 19.7% in average FPS, but High likely includes visual effects that matter on large displays. Ultra at 50 FPS falls below the threshold for smooth gameplay and should be avoided. Low at 117 FPS is possible, but it sacrifices too much visual fidelity for a 4K experience.

The measured data indicates that Medium is the optimal preset for 1080p and 1440p, while High serves best at 4K. This pattern matches Rust's engine behavior: the game's simulation overhead, not just GPU rendering, affects higher presets.

Measured FPS Breakdown

3840x2160 (4K UHD):

• Low: 117 FPS average
• Medium: 79 FPS average, 67 FPS minimum, 90 FPS maximum
• High: 66 FPS average
• Ultra: 50 FPS average

The progression from Low to Ultra shows a steep drop. Moving from Low to Medium costs 32.5% of the frame rate. From Medium to High, another 16.5% is lost. High to Ultra costs an additional 24.2%. The Medium preset records a minimum of 67 FPS, which is only 1 FPS above the High average, indicating that Medium maintains more consistent frame delivery than the average values suggest.

2560x1440 (1440p):

• Low: 198 FPS average
• Medium: 133 FPS average, 113 FPS minimum, 153 FPS maximum
• High: 112 FPS average
• Ultra: 85 FPS average

At 1440p, Low reaches nearly 200 FPS, which suits competitive play. Medium provides a 133 FPS average with a 113 FPS floor, making it the most balanced option. High drops to 112 FPS, and Ultra falls to 85 FPS. The delta between Medium and High is 15.8%, while High to Ultra is 24.1%. The Medium preset's recorded range, 113 to 153 FPS, shows a 35.4% spread, which reflects Rust's variable scene complexity.

1920x1080 (1080p):

• Low: 272 FPS average
• Medium: 193 FPS average, 164 FPS minimum, 222 FPS maximum
• High: 163 FPS average
• Ultra: 124 FPS average

At 1080p, the CPU becomes more influential. Low reaches 272 FPS, indicating that the Ryzen 9 9900X3D's single-thread and multi-thread capabilities can push very high frame rates when the GPU is not the bottleneck. Medium delivers 193 FPS with a 164 FPS minimum, and High runs at 163 FPS. Ultra drops to 124 FPS. The gap between Medium and High is 15.5%, and between High and Ultra is 23.9%. The Medium preset's maximum of 222 FPS shows that the combo can exceed 200 FPS in less demanding scenes.

FAQ

Q: Does the RTX 4080 bottleneck the Ryzen 9 9900X3D in Rust at 1080p?

A: The data suggests the CPU is not the limiting factor at 1080p Low, where the combo reaches 272 FPS. However, at 1080p Ultra, the GPU limits performance to 124 FPS. The CPU's 12 cores and 24 threads, along with 128 MB of L3 cache, provide ample headroom for Rust's simulation logic, but the GPU's rendering workload becomes the constraint at higher presets.

Q: Is the 16 GB VRAM sufficient for Rust at 4K?

A: Yes, the 16 GB GDDR6X memory is not the bottleneck in these measurements. At 4K High, the combo averages 66 FPS, and the 716.8 GB/s bandwidth supports high-resolution textures. The limiting factor at 4K is the GPU's compute throughput, not its memory capacity.

Q: How does this combo compare to the RTX 4080 SUPER in overall GPU benchmarks?

A: The RTX 4080 scores 54,247 in average benchmark score, while the RTX 4080 SUPER scores 54,209. The delta is 0.1%, meaning the two GPUs are effectively identical in general benchmark performance. In Rust, the measured FPS comes from this specific RTX 4080, and the SUPER variant would likely produce nearly the same results.

Q: What is the best preset for consistent frame times at 1440p?

A: Medium is the best choice. It produces a 133 FPS average with a 113 FPS minimum and 153 FPS maximum. The recorded minimum and maximum values provide confidence in frame pacing. High has a 112 FPS average but lacks recorded minimum and maximum data, which suggests less stable performance.

Q: How does the Ryzen 9 9900X3D's multi-thread performance affect Rust?

A: The CPU's Cinebench R23 multicore score of 47,737 and Geekbench multicore score of 22,884 indicate strong multi-thread capability. Rust benefits from multiple cores for entity updates and server-side simulation. The 3D V-Cache, 128 MB L3, helps with the game's frequent memory access patterns, as evidenced by the high 1080p Low result of 272 FPS.

Q: Does the combo exceed 200 FPS in any measured configuration?

A: Yes, at 1920x1080 Low, the average FPS is 272. At 2560x1440 Low, it reaches 198 FPS, just below 200. The 1080p Medium maximum is 222 FPS. These results show the combo's capability when GPU load is reduced, allowing the CPU to drive high frame rates.

CPU Role

The AMD Ryzen 9 9900X3D is a 12-core, 24-thread processor based on Zen 5 architecture, codenamed Granite Ridge. It operates on the AMD Socket AM5 platform with a base clock of 4.40 GHz and a boost clock of 5.50 GHz. The 128 MB L3 cache is the defining feature for Rust, as the game's procedural world generation and entity tracking rely heavily on cache residency. The CPU's TDP is 120 W, and it supports DDR5 memory in dual-channel configuration with 89.6 GB/s bandwidth.

The CPU benchmarks show strong performance across single and multi-thread tests. Cinebench R23 scores 6,739 single-core and 47,737 multi-core. Geekbench scores 3,041 single-core and 22,884 multi-core. Passmark multithread reaches 56,154. These figures place the CPU at the 91st percentile among all processors in the database. Its nearest rivals include the Intel Core Ultra 5 245KF, which scores 55,093 with a -0.6% delta, and the Intel Core Ultra 5 245K at 54,053 with a +1.3% delta. The Ryzen 9 9900X3D's average benchmark score is 54,762.

In Rust, the CPU's role is pronounced at lower resolutions. At 1080p Low, the combo achieves 272 FPS, which is 132.5% higher than at 4K Low (117 FPS). This difference highlights the CPU's ability to feed the GPU with enough frames when rendering resolution is low. The 3D V-Cache specifically helps Rust's random memory access patterns, where the game checks many entities and structures each frame. The 128 MB L3 cache absorbs these accesses more effectively than a standard cache hierarchy.

At 4K Ultra, the combo drops to 50 FPS, indicating that the GPU is the primary constraint. The CPU still delivers necessary simulation updates, but the GPU's shading workload dominates. The measured data shows that the CPU can sustain high frame rates, as evidenced by 272 FPS at 1080p Low, but the RTX 4080 cannot match that throughput at higher resolutions and presets.

The CPU's 24 threads handle Rust's multithreaded server simulation well. The Passmark physics score of 5,340 and floating point math score of 119,622 show strong computational throughput. The data compression score of 685,074 and encryption score of 33,282 indicate the CPU's general processing capability, which applies to Rust's network and world-state management. The 4 nm process node from TSMC, with 16,630 million transistors across two 70.6 mm² dies, provides the efficiency to maintain boost clocks under sustained load.

The Ryzen 9 9900X3D's single-thread performance, measured at 6,739 in Cinebench R23, is critical for Rust's main thread. Many game updates run on a single thread, and this CPU's 5.50 GHz boost clock helps maintain low frame times. The 3DMark 2-thread score of 2,512 and single-thread score of 1,269 reflect this capability. In Rust, where base building and inventory management often create single-thread bottlenecks, this CPU excels.

The combination of 12 cores and the large L3 cache makes this CPU well-suited for Rust's hybrid workload: some tasks are single-threaded, while others scale across cores. The data shows that at 1080p, the combo reaches 163 FPS at High settings, which is 23.5% higher than at 1440p High (112 FPS). This scaling indicates that the CPU can push frame rates higher when the GPU has less work per pixel. The 3D V-Cache provides an advantage over non-X3D CPUs, as Rust's cache miss penalties are significant due to the vast number of world entities.

The CPU's memory support for DDR5 at 89.6 GB/s bandwidth ensures that the cache misses that do occur are resolved quickly. The dual-channel configuration is standard, and the ECC support adds reliability for long gaming sessions. The PCIe Gen 5 interface with 24 lanes provides ample bandwidth for the RTX 4080, which uses PCIe 4.0 x16, and leaves room for storage devices.

In summary, the Ryzen 9 9900X3D carries the combo at lower resolutions and less demanding presets. Its 128 MB L3 cache and 5.50 GHz boost clock directly benefit Rust's simulation-heavy gameplay. The GPU takes over as the bottleneck at 4K and Ultra settings, where the RTX 4080's 48.74 TFLOPS compute cannot keep pace with the CPU's frame generation capability. This combo ranks 178th out of 3,723 because the CPU is exceptional for Rust, and the GPU is sufficient for most settings, though not for the absolute highest at 4K.