Doom

The AMD Ryzen 7 5800X3D and AMD Radeon RX 7900 XT combination delivers a formidable 1080p and 1440p experience in Doom, with 4K remaining highly playable. The data shows a system where the GPU is the primary scaling factor across resolutions, though the CPU’s large cache ensures the frame pacing remains consistently high. This pairing ranks in the top 20% of all tested configurations for this title, reflecting a balanced but GPU-leaning setup.

FAQ

Q: What is the overall ranking of this CPU and GPU combination in Doom?

A: The combo ranks 344th out of 1681 tested combinations, placing it in the top 20.5% of all systems benchmarked for this game. This high percentile indicates a very capable setup for this title.

Q: What is the best average FPS recorded at 1080p?

A: The highest average frame rate is 336.4 FPS, achieved at 1920x1080 with Low settings. Even at Ultra settings, the system maintains an average of 202.6 FPS at the same resolution.

Q: How large is the performance gap between 1080p and 4K at High settings?

A: The average frame rate drops from 250.7 FPS at 1920x1080 to 89.4 FPS at 3840x2160, a significant 64% reduction. This steep decline highlights the GPU as the primary bottleneck at higher resolutions.

Q: Does the CPU become a limiting factor at any tested resolution?

A: Benchmark results indicate the CPU is not a limiting factor. At 1080p Low, the GPU pushes 336.4 FPS, and the CPU’s 8 cores and 16 threads are sufficient to maintain this high throughput without creating a bottleneck.

Q: What is the GPU's percentile ranking compared to all other graphics cards?

A: The AMD Radeon RX 7900 XT has a percentile rank of 82, meaning it outperforms 82% of all GPUs in the database. Its performance is nearly identical to the NVIDIA GeForce RTX 5080 Mobile, with a deltaPct of 0.

Q: What is the CPU’s average benchmark score and how does it compare to its nearest rival?

A: The Ryzen 7 5800X3D has an average benchmark score of 26574. It is statistically tied with the AMD EPYC 8024P, which scores 26555, showing a deltaPct of just 0.1%.

GPU Role

The AMD Radeon RX 7900 XT is the defining component in this configuration’s performance scaling. Based on the RDNA 3.0 architecture with a Navi 31 chip, it features 20 GB of GDDR6 memory on a 320-bit bus, yielding a bandwidth of 800.0 GB/s. This substantial memory allocation and bandwidth ensure that texture streaming and high-resolution rendering are not starved for data.

Clock speeds are a key factor in the card's behavior. The GPU has a base clock of 1387 MHz, a game clock of 2025 MHz, and a boost clock of 2394 MHz. The difference between the game and boost clocks allows for dynamic performance headroom, which is evident in the frame rate variations across different settings. The card's raw compute power is substantial, with an FP32 throughput of 51.48 TFLOPS.

The data shows the GPU is the primary scaling factor. Moving from 2560x1440 High (162.8 FPS) to 3840x2160 High (89.4 FPS) results in a 45% performance drop. This is a classic sign of GPU-bound rendering, where the increased pixel count at 4K demands more from the shading units and ROPs. The card’s 192 ROPs and 459.6 GPixel/s pixel rate are tasked with filling those extra pixels. However, even at 4K Ultra, the card maintains an average of 73.8 FPS, proving it has enough headroom for a smooth experience in Doom.

CPU Role

The AMD Ryzen 7 5800X3D is a Zen 3 architecture processor based on the Vermeer codename, built on a 7 nm process. It provides 8 cores and 16 threads, with a base clock of 3.40 GHz and a boost clock of 4.50 GHz. The defining feature is its 96 MB of shared L3 cache, which is crucial for gaming workloads that rely on high-speed data access.

In this system, the CPU’s role is to feed the GPU with enough data to keep it saturated. The benchmark results indicate it does this exceptionally well. At 1920x1080 with Low settings, the CPU enables the GPU to reach an average of 336.4 FPS. This is a scenario where the CPU's strong single-thread and multi-thread performance, evidenced by its Cinebench R23 single-core score of 3397 and multi-core score of 24063, prevents any bottleneck.

The CPU’s 16 threads are more than sufficient for Doom’s engine. The data shows a linear progression in FPS as resolution decreases, which would not be the case if the CPU were limiting performance. If the CPU were the bottleneck, we would see similar FPS numbers at 1080p and 1440p. Instead, we see a clear jump from 162.8 FPS at 1440p High to 250.7 FPS at 1080p High, confirming the CPU is not holding the system back. The processor’s percentile rank of 83 against all CPUs reinforces that it is a high-performance part capable of keeping pace with the RX 7900 XT.

How This Combo Ranks

The combination of the Ryzen 7 5800X3D and RX 7900 XT achieves a rank of 344 out of 1681 tested combos in Doom. This places the system in the top 20% of all configurations, a strong showing for a pairing of an end-of-life CPU and GPU. The high ranking reflects the synergy between the CPU's massive cache and the GPU's raw rasterization power.

Looking at the components individually, the GPU’s average benchmark score of 38358 puts it in the 82nd percentile, closely matching the NVIDIA GeForce RTX 5080 Mobile (deltaPct of 0). The CPU’s average score of 26574 places it in the 83rd percentile, with its nearest rival, the AMD EPYC 8024P, being only 0.1% faster. When these two high-percentile parts are combined, the result is a system that performs exceptionally well in a fast-paced FPS like Doom.

The rank of 344 is likely influenced by the fact that Doom is a well-optimized title that can scale effectively with both CPU and GPU resources. While the combo is not in the top 100, it is far ahead of the median, demonstrating that this hardware pairing provides a high level of performance without requiring top-tier components from the current generation. The data confirms that this configuration is more than capable of delivering a high-refresh-rate experience at 1440p and a solid 4K experience.

Resolution Scaling

The measured FPS data reveals a clear and predictable scaling pattern across resolutions, with the GPU becoming increasingly dominant as pixel count rises. At 1080p, the system is heavily GPU-bound, with the CPU providing enough headroom for the GPU to stretch its legs. This is evident in the Low settings result of 336.4 FPS at 1920x1080, which drops to 219.1 FPS at 2560x1440, a 35% reduction, and then to 118.4 FPS at 3840x2160, a further 46% reduction.

The data suggests the limiting component transitions from a balanced load at 1080p to a clear GPU bottleneck at 4K. At 1080p, the CPU is likely the primary limiter, as the GPU is capable of producing frames faster than the CPU can issue draw calls. This is supported by the fact that the FPS difference between Low and Ultra settings at 1080p is 133.8 FPS (from 336.4 to 202.6), showing that the GPU has significant untapped potential that is being capped by the CPU at lower settings.

At 4K, the situation reverses. The GPU becomes the definitive bottleneck, and the CPU's influence diminishes. The FPS difference between Low and Ultra settings at 3840x2160 is 44.6 FPS (from 118.4 to 73.8). This smaller delta compared to 1080p indicates that the GPU is already working near its maximum capacity, and adjusting settings has a smaller relative impact. The 89.4 FPS average at 4K High is a strong result, demonstrating that this combo can handle demanding resolutions while maintaining a smooth frame rate, but the scaling curve makes it clear that the RX 7900 XT is the component that determines the ceiling at 4K.