Doom

The AMD Ryzen 5 5600G and AMD Radeon RX 6600 XT combination delivers playable frame rates across the board in Doom, but the performance curve reveals a system that is clearly constrained by its graphics card at higher resolutions. This pairing produces a 194.2 FPS average at 1080p Low settings, which drops to 116.6 FPS at 1080p Ultra, indicating a substantial performance envelope that favors high-refresh-rate 1080p gaming. The data shows a system capable of smooth gameplay, though the scaling pattern suggests the CPU has more headroom than the GPU can utilize at 4K.

Resolution Scaling

The measured FPS data shows a predictable decline as resolution increases, but the rate of that decline tells a clear story about where the bottleneck lies. At 1080p with High settings, the combo produces 139 FPS, which drops to 91.8 FPS at 1440p and further to 49.9 FPS at 4K. This represents a 64.1% reduction in frame rate from 1080p to 4K, a steep drop that indicates the GPU is the limiting component once pixel count rises.

The gap between Low and Ultra settings widens dramatically at higher resolutions. At 1080p, the spread between Low (194.2 FPS) and Ultra (116.6 FPS) is 77.6 FPS, or roughly 40% performance lost to quality settings. At 1440p, that spread narrows to 48.4 FPS (124.8 FPS Low versus 76.4 FPS Ultra), and at 4K it compresses further to 27.8 FPS (67.6 FPS Low versus 39.8 FPS Ultra). This compression at higher resolutions is the classic signature of a GPU-bound scenario, where the rasterization workload dominates and quality settings have diminishing impact on the final frame rate.

The 4K results deserve particular attention. At 4K Ultra, the combo manages only 39.8 FPS, which falls below the 60 FPS threshold that most players consider the minimum for a fast-paced FPS like Doom. Even at 4K Low, the 67.6 FPS average is workable but leaves little headroom for demanding scenes. The 1440p results are the sweet spot for this pairing, with High settings delivering 91.8 FPS and even Ultra maintaining 76.4 FPS, both comfortably above playable thresholds. At 1080p, the system excels, with every settings tier exceeding 116 FPS, making this an excellent choice for competitive play on 144Hz monitors.

GPU Role

The Radeon RX 6600 XT sits at the center of this performance story, and its specifications explain much of the observed behavior. The GPU features 8 GB of GDDR6 memory on a 128-bit bus, providing 256.0 GB/s of bandwidth. For Doom, a 2016 title with moderate texture requirements, 8 GB proves sufficient even at 4K Ultra, where the 39.8 FPS result is more likely limited by raw compute power than memory capacity.

Clock speeds are aggressive, with a base clock of 1968 MHz and a boost clock of 2589 MHz, while the game clock sits at 2359 MHz. The GPU's 2048 shading units and 64 ROPs deliver a pixel rate of 165.7 GPixel/s and texture rate of 331.4 GTexel/s, figures that support the 1080p performance but struggle to maintain pace at 4K. The FP32 throughput of 10.60 TFLOPS provides context for the 4K Ultra result: 39.8 FPS indicates the GPU is fully saturated at that workload.

In the broader benchmark landscape, this GPU holds a percentile rank of 71 against all GPUs, with an average benchmark score of 27985. Its nearest rival is the NVIDIA GeForce GTX 980 Ti, which scores 27956 (a 0.1% delta), while the NVIDIA GeForce RTX 3070 scores 28238 (-0.9% delta). These figures place the RX 6600 XT in the upper-midrange tier, capable of handling 1080p and 1440p gaming with ease but not designed for 4K Ultra in demanding titles. The 71st percentile ranking confirms that while this GPU outperforms a majority of the field, it operates well below the top-tier cards that would be needed for consistent 4K high-refresh gameplay.

FAQ

Q: Can this combo run Doom at 60 FPS in 4K?

A: Only at Low settings, where it averages 67.6 FPS. At Medium it drops to 59.7 FPS, and at High it falls to 49.9 FPS. Ultra settings produce 39.8 FPS, which is below the 60 FPS threshold.

Q: What is the best resolution for this pairing?

A: The data shows 1440p as the optimal balance. At High settings it delivers 91.8 FPS, and even Ultra maintains 76.4 FPS, both well above playable thresholds while providing better image quality than 1080p.

Q: How much performance is lost moving from 1080p to 1440p?

A: At High settings, the frame rate drops from 139 FPS at 1080p to 91.8 FPS at 1440p, a 33.9% reduction. At Ultra settings, the drop is from 116.6 FPS to 76.4 FPS, a 34.5% reduction.

Q: Does the RX 6600 XT have enough VRAM for Doom?

A: Yes. The 8 GB of GDDR6 memory is sufficient for all tested settings, including 4K Ultra. The performance bottlenecks observed at 4K are attributable to compute limitations rather than memory capacity.

Q: How does the RX 6600 XT compare to the RTX 3070?

A: The RX 6600 XT has an average benchmark score of 27985, while the RTX 3070 scores 28238, a delta of -0.9%. This indicates the two cards are closely matched in overall performance, with the RTX 3070 holding a slight edge.

Q: Is the CPU holding back performance in Doom?

A: The scaling pattern suggests the CPU is not the primary constraint. The Ryzen 5 5600G's benchmarks show strong multi-threaded performance, and the steep FPS drops at higher resolutions indicate GPU-bound operation rather than CPU limitations.

How This Combo Ranks

This specific combination of AMD Ryzen 5 5600G and AMD Radeon RX 6600 XT ranks 1166 out of 1681 tested combos in Doom, placing it in the 30.7th percentile of all system pairings. This rank reflects the midrange positioning of both components; the system outperforms roughly 30% of tested configurations but falls behind the majority of high-end pairings.

The ranking is consistent with the individual component percentiles. The CPU holds a 78th percentile rank against all processors, while the GPU sits at the 71st percentile. When combined, the system's overall performance in Doom lands below what those individual percentiles might suggest, which indicates that the game is sensitive to the GPU's limitations at higher resolutions. The combo rank of 1166 out of 1681 means there are 515 tested configurations that perform worse in this specific title, but also 1165 that perform better.

The gap between the combo's rank and the component percentiles highlights Doom's scaling characteristics. The game rewards GPU compute heavily at 4K, and the RX 6600 XT's midrange position limits the system's ability to climb the ranks. At 1080p, the system would likely rank higher due to the CPU's strong single-threaded performance, but the aggregate ranking across all tested scenarios places it firmly in the middle of the pack.

CPU Role

The AMD Ryzen 5 5600G provides the computational foundation for this system, and its specifications are well-suited to Doom's engine. With 6 cores and 12 threads based on the Zen 3 architecture, the CPU operates at a base clock of 3.90 GHz and a boost clock of 4.40 GHz. This configuration delivers strong single-threaded performance, which is crucial for a game like Doom that relies heavily on draw call processing and physics calculations.

The CPU's benchmark results confirm its capability. In Cinebench R23, it scores 16758 in multi-core and 2365 in single-core tests, while 3DMark max threads produces 5455. The PassMark multi-thread score of 19717 further validates its throughput. These figures place the CPU at the 78th percentile of all processors, with an average benchmark score of 19983. Its nearest rivals include the Intel Core i7-11800H at 20024 (a -0.2% delta) and the AMD EPYC 7713P at 20024 (-0.2% delta), showing that the 5600G punches well above its price class in raw compute.

In Doom specifically, the CPU's role is evident in the 1080p results. At 1080p Low, the system achieves 194.2 FPS, which is a frame rate that requires strong single-threaded performance to maintain. The boost clock of 4.40 GHz provides the necessary responsiveness, while the 16 MB of L3 cache helps with game data locality. The fact that the frame rate remains above 116 FPS even at 1080p Ultra indicates the CPU has sufficient headroom to feed the GPU at lower resolutions, but the steep drop at 4K confirms that the GPU becomes the limiting factor beyond 1080p. The 65W TDP and 7nm process node also mean this CPU runs efficiently, allowing the system to sustain high clock speeds without thermal throttling, which benefits consistent frame delivery in fast-paced scenarios.