Doom

The AMD Ryzen 5 7500X3D paired with the AMD Radeon RX 6600 XT delivers a compelling 1080p experience in Doom, but the data reveals a significant shift in system behavior as resolution increases. The measured FPS numbers show a classic pattern where the GPU becomes the dominant constraint at higher resolutions, while the CPU's strengths are best showcased at 1080p. This analysis breaks down the measured performance across all tested presets and resolutions, interpreting what the scores mean for the overall system balance.

Resolution Scaling

The measured data shows a steep and consistent performance drop as resolution scales from 1920x1080 to 3840x2160. At High settings, the average FPS falls from 141 at 1080p to 91 at 1440p, and finally to 49 at 4K. This represents a 35% reduction when moving from 1080p to 1440p, and a further 46% reduction moving from 1440p to 4K. The pattern is similar across all settings, indicating that the rendering load is scaling predictably with pixel count.

The most telling detail is the Low settings curve. At 1080p Low, the system produces 192 average FPS, but this drops to 124 at 1440p and 67 at 4K. The fact that even the least demanding preset cannot maintain high frame rates at 4K strongly suggests that the AMD Radeon RX 6600 XT is the limiting component at that resolution. If the CPU were the bottleneck, we would expect the Low preset scores to remain relatively flat across resolutions, as the CPU workload does not change much with resolution. Instead, the FPS nearly halves from 1080p to 4K even at Low, pointing directly at the GPU's pixel-pushing capabilities as the ceiling.

This behavior implies that at 1080p, the system is likely balanced, with the CPU able to feed the GPU adequately. As resolution increases, the GPU's fill rate and memory bandwidth become the primary constraints. The data suggests that the sweet spot for this combo is firmly in the 1080p to 1440p range, where the GPU can still deliver playable frame rates without being overwhelmed. The 4K results, particularly the 40 FPS average at Ultra settings, indicate that the RX 6600 XT is not suited for this game at that resolution with high visual fidelity.

GPU Role

The AMD Radeon RX 6600 XT is built on the RDNA 2.0 architecture and features 8 GB of GDDR6 memory on a 128-bit bus, providing 256.0 GB/s of bandwidth. The card's clocks are listed with a base of 1968 MHz, a game clock of 2359 MHz, and a boost clock of 2589 MHz. These specifications are crucial for understanding the game's performance, as Doom is a fast-paced FPS that relies heavily on both raw throughput and memory bandwidth.

The GPU's benchmark scores show it sits at the 70th percentile versus all GPUs, with an average benchmark score of 24442. Its nearest rivals in the database include the NVIDIA GeForce GTX 1630 (0.7% faster) and the Intel Arc A350M (0.8% slower), which helps contextualize its raw compute power. However, the measured FPS in Doom suggests that the game is particularly sensitive to the GPU's specific strengths or weaknesses.

The 8 GB VRAM capacity is a key factor at higher resolutions. At 4K Ultra, the system averages only 40 FPS, which is the lowest score in the entire measured set. This could be related to the game exceeding the VRAM buffer, causing stutters or texture thrashing, although the data shows a min FPS of 50 at 4K Medium and 67 at 4K Low, suggesting the card can still operate without catastrophic failure. The consistent drop from Medium to Ultra at all resolutions—from 59 to 40 at 4K, 108 to 75 at 1440p, and 167 to 115 at 1080p—indicates that the higher preset demands more from the GPU's compute units and memory system.

The clock speeds play a significant role in the 1080p results. The boost clock of 2589 MHz likely allows the GPU to maintain high utilization when the CPU can keep up, resulting in the 192 FPS average at Low settings. However, the relative performance versus its rivals in the database does not fully predict its in-game behavior. The GTX 1630 and RTX 2080 SUPER (1.1% faster) are cited as close competitors in synthetic benchmarks, but the RX 6600 XT's real-world Doom performance is what matters here. The data shows that the GPU is capable of high frame rates at 1080p but struggles to maintain playable levels at 4K, making its role as the primary bottleneck at high resolutions apparent.

CPU Role

The AMD Ryzen 5 7500X3D is a 6-core, 12-thread processor based on the Zen 4 Raphael architecture, with a base clock of 4.00 GHz and a boost clock of 4.50 GHz. It features a substantial 96 MB of shared L3 cache, which is a hallmark of the X3D series designed to improve gaming performance. The CPU's benchmark scores place it at the 89th percentile versus all CPUs, with an average benchmark score of 44573.

Its nearest rivals include the Intel Core Ultra X9 388H (0.2% faster), the Intel Core i9-13950HX (0.5% faster), and the Intel Core i5-14600 (0.7% slower). These are all high-end desktop or mobile processors, indicating that the 7500X3D sits in a competitive position in terms of raw processing power. The single-thread score of 3494 and multithread score of 25047 provide context for how it handles the game's logic and physics.

In Doom, the CPU's role is most evident at 1080p. The fact that the system achieves 192 FPS at Low settings and 141 FPS at High settings at 1080p suggests that the CPU is not the limiting factor at this resolution. The high L3 cache likely helps with the game's asset streaming and draw call processing, allowing the GPU to be fully utilized. However, the data does not show a dramatic difference between Low and High settings at 1080p (192 vs 141 FPS), implying that the CPU can handle the increased draw calls without major penalties.

The CPU's importance diminishes as resolution increases. At 4K, the FPS is nearly identical in pattern to the GPU's limits, regardless of CPU load. This indicates that the CPU is not bottlenecking the system at higher resolutions; it is waiting on the GPU. The 7500X3D's 6 cores and 12 threads are sufficient to feed the RX 6600 XT at 1080p and 1440p, but the GPU's performance ceiling is reached before the CPU's potential is fully taxed. The data suggests that this CPU is overqualified for the GPU at 4K, but well-matched at 1080p where high refresh rates are achievable.

Settings Recommendations

Based on the measured FPS rows, the optimal settings depend on the target resolution and desired frame rate. For a 1080p display, the data shows that High settings provide an average of 141 FPS, which is excellent for smooth gameplay on a high-refresh monitor. The Ultra preset drops to 115 FPS, which is still playable but represents a significant visual quality increase for only a 18% performance loss. For competitive play, Low settings at 192 FPS is the best option, but High offers a better balance of visuals and speed.

At 1440p, the High preset delivers 91 FPS, which is a solid target for most gamers. The Medium preset provides 108 FPS, which could be preferable for those seeking higher frame rates. The Ultra preset at 75 FPS is playable but may feel less responsive in fast-paced scenarios. The data suggests avoiding Ultra at 1440p if frame rate consistency is a priority.

At 4K, the results are less favorable. The High preset averages only 49 FPS, which is below the 60 FPS threshold for smooth gameplay. The Medium preset at 59 FPS is borderline, while Low at 67 FPS is the only preset that achieves a playable average. The Ultra preset at 40 FPS is not recommended for any serious gameplay. Therefore, for 4K, the recommendation is to use Low settings if the resolution is a hard requirement, or to lower the resolution to 1440p for a better experience.

The data implies that the best overall experience for this combo is at 1080p with High settings, offering a high frame rate without sacrificing too much visual fidelity. For 1440p, Medium or High are viable, but users should temper expectations for Ultra. The measured min FPS values for Medium settings (142 at 1080p, 92 at 1440p, 50 at 4K) provide a floor for frame pacing, ensuring that the experience remains consistent.

FAQ

Q: Can this system run Doom at 4K with playable frame rates?

A: The data shows that at 4K, the highest average FPS is 67 on Low settings. Medium settings average 59 FPS, and High averages 49 FPS. Ultra averages 40 FPS. Only Low settings approach a consistently playable level, while higher presets may result in dips below 60 FPS.

Q: What is the best settings preset for 1080p gaming?

A: At 1920x1080, the High preset delivers an average of 141 FPS, which offers a smooth experience with good visuals. The Ultra preset at 115 FPS is also viable, but the performance cost may not be worth the visual gain for all users. Low settings at 192 FPS are best for maximum frame rates.

Q: Is the CPU or GPU the bottleneck at 1440p?

A: The benchmark results suggest the GPU is the primary limiting factor at 1440p. The FPS drops from 124 at Low to 75 at Ultra, showing a clear scaling with GPU load. The CPU's performance is likely sufficient to feed the GPU, as the frame rate is not constant across settings.

Q: How does this combo rank compared to other tested systems?

A: The combo rank for this game is 2080 out of 2930 tested combos. This places it in the lower-middle range of all tested systems, indicating that while it is not top-tier, it still delivers acceptable performance in certain configurations.

Q: Does the 8 GB VRAM limit performance at 4K?

A: The data shows a significant drop at 4K, with the Ultra preset averaging only 40 FPS. While the 8 GB VRAM is likely a factor, the overall GPU compute and bandwidth limitations of the RX 6600 XT are more probable causes, as even Low settings only reach 67 FPS.

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

A: At 1920x1080, the High preset averages 141 FPS, while the Ultra preset averages 115 FPS. This is a difference of 26 FPS, or roughly 18% lower performance for Ultra. The min FPS is only provided for Medium (142), so frame time consistency for High and Ultra is not directly measured.

Measured FPS Breakdown

The measured FPS data is presented for three resolutions and four settings, providing a clear picture of performance scaling.

1920x1080 (1080p)

• Low: 192 average FPS
• Medium: 167 average FPS (min 142, max 192)
• High: 141 average FPS
• Ultra: 115 average FPS

2560x1440 (1440p)

• Low: 124 average FPS
• Medium: 108 average FPS (min 92, max 124)
• High: 91 average FPS
• Ultra: 75 average FPS

3840x2160 (4K)

• Low: 67 average FPS
• Medium: 59 average FPS (min 50, max 67)
• High: 49 average FPS
• Ultra: 40 average FPS

The data shows a consistent trend: each step from Low to Ultra reduces the average FPS by a similar margin across all resolutions. The min FPS data for Medium settings shows that the frame rate can dip significantly lower than the average, with a 25 FPS difference at 1080p (142 min vs 167 avg) and a 9 FPS difference at 4K (50 min vs 59 avg). This suggests that Medium settings provide a stable frame pacing relative to the average, but the absolute floor is still relatively low at higher resolutions.

The lack of min FPS data for Low, High, and Ultra presets makes it difficult to assess frame time consistency for those settings, but the average values are sufficient to gauge overall performance. The 1080p Low result of 192 FPS is the highest measured score, while the 4K Ultra result of 40 FPS is the lowest, highlighting the wide performance envelope of this system.

How This Combo Ranks

The AMD Ryzen 5 7500X3D + AMD Radeon RX 6600 XT combination holds a rank of 2080 out of 2930 tested combos for Doom. This places it in the 71st percentile of all tested systems, meaning roughly 29% of tested combos perform worse, while 71% perform better. This rank is a holistic score that considers all measured FPS across resolutions and settings, not just a single configuration.

Given that the combo's GPU percentile is 70 and the CPU percentile is 89, the overall rank suggests that the GPU is dragging the system's average performance down. The CPU is a high-performing part for gaming, but the GPU cannot fully capitalize on its strength at higher resolutions. The nearest rival GPUs in the database—such as the GTX 1630 and RTX 2080 SUPER—have similar synthetic scores, but their in-game performance may differ, impacting the combo's final rank.

The rank of 2080 indicates that there are many other combinations that achieve higher frame rates in Doom, likely with more powerful GPUs. However, the data shows that this combo is well-suited for 1080p high-refresh gaming, where it can deliver over 140 FPS on High settings. The rank should be interpreted as a measure of overall capability across all tested scenarios, not a judgment of its performance at a specific resolution. For users targeting 1080p, this combo is competitive, but for 4K, it falls short of the top performers.