Doom

The AMD Ryzen 9 5900X paired with the AMD Radeon RX 7600 XT delivers a robust performance profile in Doom, with results that scale predictably across resolutions and settings. This analysis breaks down the measured data to show exactly where this combo excels and where its limitations appear.

FAQ

Q: What is the highest average frame rate this combo achieves in Doom?

A: The highest recorded average is 202 FPS at 1920x1080 with Low settings, which is also the ceiling for the minimum FPS recorded at that resolution (149 FPS at Medium settings).

Q: How does the CPU's single-threaded performance compare to its multicore results?

A: The Ryzen 9 5900X scores 3,469 in Passmark single-thread tests and 39,002 in Passmark multithread tests, with a 3dmark single-thread score of 941 versus a max-threads score of 10,075. The multicore advantage is substantial, but the single-thread score is what drives gaming performance.

Q: What is the combo's rank among all tested combinations in Doom?

A: This specific combo ranks 2346 out of 3712 total tested combinations, placing it in the lower-middle portion of the overall rankings for this game.

Q: Does the GPU have enough VRAM for 4K gaming in Doom?

A: The RX 7600 XT features 16 GB of GDDR6 memory on a 128-bit bus with 288.0 GB/s bandwidth. At 3840x2160 the measured average FPS ranges from 43 (Ultra) to 71 (Low), indicating the memory capacity is sufficient, as the bottleneck shifts to compute performance at higher settings.

Q: What is the difference between the CPU's average benchmark score and its nearest rival?

A: The Ryzen 9 5900X has an average benchmark score of 41,376, which is only 0.3% above the Intel Core Ultra 7 366H (41,263) and 0.4% above both the Intel Core Ultra 7 356H (41,215) and AMD Ryzen AI 5 PRO 440 (41,208).

Q: How does the GPU's average score compare to its closest competitor?

A: The RX 7600 XT averages 17,083 across benchmark tests, sitting 0.3% above the NVIDIA GeForce GTX 690 (17,037) and 0.4% above the AMD Radeon HD 7970M (17,019), while trailing the NVIDIA GeForce RTX 3070 (17,208) by 0.7%.

CPU Role

The AMD Ryzen 9 5900X brings 12 cores and 24 threads to this pairing, built on the Zen 3 architecture with a 7 nm process. Its base clock of 3.70 GHz boosts up to 4.80 GHz, and the 64 MB of L3 cache provides ample headroom for game logic and physics calculations. The CPU's percentile ranking of 87 places it well above average among all tested processors, suggesting it should not be the primary constraint in most gaming workloads.

In Doom, the CPU's contribution becomes most evident at lower resolutions where frame rates climb substantially. At 1920x1080, the measured FPS reaches 148 on High settings and 202 on Low, which are high enough numbers that the processor's single-thread performance (3,469 in Passmark single-thread, 941 in 3dmark single-thread) is clearly sufficient for this title. The 3dmark 16-thread score of 9,075 and max-threads score of 10,075 indicate strong multi-core capability, but Doom does not appear to heavily tax more than a few cores at these frame rates.

The CPU's memory bandwidth of 51.2 GB/s over dual-channel DDR4 is modest by modern standards, yet the data shows no obvious starvation issues. The 105 W TDP and active production status confirm this is a mature, well-supported part. When comparing to its nearest rivals, the 5900X edges out the Intel Core Ultra 7 366H by only 0.3% in average benchmark score, making the CPU performance tier essentially equivalent to those newer mobile processors.

GPU Role

The AMD Radeon RX 7600 XT is built on the RDNA 3.0 architecture with the Navi 33 chip on a 6 nm process. It operates with a base clock of 1980 MHz, a game clock of 2470 MHz, and a boost clock of 2755 MHz. The 16 GB of GDDR6 memory on a 128-bit bus delivers 288.0 GB/s of bandwidth, which is substantial for this class of card. With 2048 shading units, 128 texture mapping units, and 64 ROPs, the GPU has a theoretical FP32 performance of 22.57 TFLOPS.

This GPU sits at the 60th percentile among all tested GPUs, which is a solid but not exceptional position. Its average benchmark score of 17,083 places it just 0.3% above the NVIDIA GeForce GTX 690 and 0.4% above the AMD Radeon HD 7970M, while falling 0.7% short of the NVIDIA GeForce RTX 3070. These margins are narrow, meaning the RX 7600 XT performs in a tight competitive band around these cards.

In Doom specifically, the GPU's role becomes dominant at higher resolutions. At 3840x2160, average FPS drops to 43 on Ultra settings, which is a clear indication that the GPU's compute resources are the limiting factor at 4K. The 16 GB VRAM is never a constraint, as even the highest settings at 4K do not show memory-related performance collapses. The GPU's 60th percentile ranking suggests it should handle 1440p gaming comfortably, and the measured data confirms this with 96 FPS on High at 2560x1440.

Measured FPS Breakdown

At 1920x1080, the combo delivers its strongest results. Low settings produce 202 average FPS, Medium yields 176, High reaches 148, and Ultra drops to 121. The Medium setting records a minimum FPS of 149 and a maximum of 202, showing the frame time consistency at this resolution.

Moving to 2560x1440, performance remains strong but decreases noticeably. Low settings average 130 FPS, Medium averages 114, High averages 96, and Ultra averages 78. At Medium settings, the minimum FPS is 97 and the maximum is 131, which mirrors the spread seen at 1080p but at lower absolute numbers.

At 3840x2160, the results show a significant step down. Low settings average 71 FPS, Medium averages 62, High averages 52, and Ultra averages 43. The Medium preset at 4K records a minimum of 52 FPS and a maximum of 71 FPS, which is the only resolution where the minimum FPS drops below 60 for this settings tier.

The pattern across all resolutions is consistent: Low settings always yield the highest frame rates, followed by Medium, then High, with Ultra as the most demanding preset. The gap between Low and Ultra widens as resolution increases, from an 81 FPS difference at 1080p (202 vs 121) to a 28 FPS difference at 4K (71 vs 43).

Resolution Scaling

The transition from 1920x1080 to 2560x1440 reduces average FPS by roughly 25-35% depending on settings. For High settings, the drop is from 148 to 96 FPS (a 35% decrease), while Low settings fall from 202 to 130 FPS (a 36% decrease). This consistent reduction suggests the GPU is becoming more heavily loaded as pixel count increases, but the CPU is still keeping up.

The jump from 2560x1440 to 3840x2160 produces a more dramatic decline. High settings drop from 96 to 52 FPS (a 46% decrease), and Low settings drop from 130 to 71 FPS (a 45% decrease). This steeper falloff indicates that at 4K, the GPU is now the clear limiting component, as the pixel throughput demands exceed what the RX 7600 XT can sustain at high frame rates.

The scaling pattern reveals that at 1080p, the combo is likely CPU-bound or at least balanced, since even Low settings cannot push past 202 FPS. At 4K, the GPU is unequivocally the bottleneck, with Ultra settings struggling to maintain 43 FPS. The 16 GB VRAM and 288.0 GB/s bandwidth are sufficient, but the GPU's 22.57 TFLOPS of compute power is the ceiling at higher resolutions.

Settings Recommendations

For 1920x1080 gaming, Ultra settings at 121 average FPS provide the best visual experience while still maintaining smooth gameplay. The 121 FPS figure is well above the 60 FPS threshold, and the GPU has enough headroom that frame pacing should remain consistent. Players prioritizing maximum frame rates could drop to Low for 202 FPS, but the visual compromise is significant for only an 81 FPS gain.

At 2560x1440, High settings at 96 average FPS represent the optimal balance. Ultra drops to 78 FPS, which is still playable, but the 18 FPS penalty for the highest preset may not justify the visual improvement. Low settings at 130 FPS are excessive for most displays, and Medium at 114 FPS offers a middle ground for those with high refresh rate monitors.

For 3840x2160, the recommendation is Low settings to maintain 71 average FPS. Medium at 62 FPS is acceptable, but High at 52 FPS and Ultra at 43 FPS fall below the 60 FPS target that most gamers consider the baseline for smooth play. The data suggests that 4K gaming with this combo requires accepting either Low or Medium settings to avoid noticeable frame rate drops.

How This Combo Ranks

This combination of AMD Ryzen 9 5900X and AMD Radeon RX 7600 XT ranks 2346 out of 3712 tested combos in Doom, placing it in the 37th percentile of all configurations. This ranking is lower than the individual component percentiles (CPU at 87, GPU at 60) might suggest, indicating that the pairing is not optimally balanced for this specific game.

The CPU's strong benchmark scores do not translate into proportionally high in-game performance, which reinforces the conclusion that Doom's frame rates are primarily GPU-limited, especially at higher resolutions. The GPU's 60th percentile ranking is the more relevant reference point for understanding this combo's position, and the 2346 rank aligns more closely with GPU performance than CPU performance.

The narrow margins between the RX 7600 XT and its nearest GPU rivals (0.3% above the GTX 690, 0.4% above the HD 7970M) suggest that swapping to any of those cards would produce nearly identical results in Doom. Conversely, the CPU's rivals are also within 0.5% of its average score, meaning neither component has a decisive advantage over its direct competition. The 2346 rank reflects a mid-pack GPU paired with an upper-tier CPU, resulting in a combo that performs adequately but does not stand out among the 3,712 tested configurations.