Doom

# Doom: Intel Core Ultra 5 235 + AMD Radeon RX 7800 XT

The Intel Core Ultra 5 235 pairs with the AMD Radeon RX 7800 XT to deliver a compelling 1080p and 1440p experience in Doom, with the data showing this combination ranks 1238th out of 3712 tested combos. The CPU's 14 cores and 14 threads, running at a 3.40 GHz base and 5.00 GHz boost clock, provide ample single-thread headroom for this 2016 title, while the GPU's 16 GB of GDDR6 memory and 624.1 GB/s bandwidth ensure the framebuffer is rarely a constraint. The measured frame rates reveal a system that excels at high refresh rates at lower resolutions, though the Ultra preset at 4K drops to exactly 60 FPS, suggesting a performance ceiling that warrants investigation.

CPU Role — cores, clocks, and how they relate to this game's results

The Intel Core Ultra 5 235 is a 14-core, 14-thread processor based on the Arrow Lake architecture, fabricated on a 3 nm process by TSMC. With a base clock of 3.40 GHz and a boost clock of 5.00 GHz, it offers substantial single-thread performance, which is critical for a game like Doom that was designed in 2016 and relies heavily on per-core processing for its id Tech engine. The CPU's L3 cache of 24 MB shared across all cores helps reduce memory latency, and its dual-channel DDR5 memory support with 102.4 GB/s bandwidth provides adequate data throughput for game logic and physics.

In synthetic benchmarks, the Core Ultra 5 235 achieves a Cinebench R23 multi-core score of 14,769 and a single-core score of 2,085. These scores indicate strong per-thread capability, which aligns with Doom's engine behavior where a few threads handle rendering commands while others manage AI and game state. The PassMark single-thread score of 4,516 reinforces this, placing the CPU in the 89th percentile of all CPUs. Its nearest rivals include the AMD Ryzen AI 9 HX 375 with an average score of 46,030 (0.1% lower), the Intel Core i9-13900HX at 46,098 (0.1% higher), and the AMD EPYC 4364P at 45,970 (0.2% lower), showing the Ultra 5 235 sits in tightly contested performance territory.

For Doom specifically, the CPU's role becomes more pronounced at lower resolutions where frame rates are high. At 1080p Low settings, the combo achieves 284 FPS average, and at 1080p Medium it reaches 247 FPS. These numbers suggest the CPU is not a bottleneck at these settings, as the engine's draw calls and game logic are processed quickly enough to feed the GPU. However, the fact that the CPU has 14 threads but no hyperthreading (14 cores, 14 threads) means it relies on physical cores alone, which is sufficient for Doom's threading model that typically uses fewer than 8 threads effectively. The data implies that at 1080p, the GPU is the primary limiter, as frame rates scale dramatically with GPU settings changes.

GPU Role — VRAM, clocks, and how they relate to this game's results

The AMD Radeon RX 7800 XT is built on the Navi 32 chip using RDNA 3.0 architecture, fabricated on a 5 nm process by TSMC. It features 3,840 shading units, 240 texture mapping units, and 96 raster operation units, with a base clock of 1,295 MHz and a boost clock of 2,430 MHz. The GPU's 16 GB of GDDR6 memory on a 256-bit bus provides 624.1 GB/s of bandwidth, which is generous for a game from 2016 that was designed for much smaller memory pools. The GPU also includes 60 ray tracing cores, though Doom does not use ray tracing, making this hardware largely idle for this title.

The RX 7800 XT's benchmark results place it in the 51st percentile of all GPUs, with a PassMark G3D score of 24,176 and a DirectX 12 score of 93 in PassMark. Its nearest rivals include the NVIDIA GeForce GTX 1660 with an average score of 11,680 (0.5% lower), the AMD Radeon Pro 5500M at 11,528 (0.9% higher), and the AMD Radeon RX 6500 XT at 11,842 (1.8% lower). This percentile ranking suggests the GPU is mid-pack overall, yet in Doom it delivers excellent performance due to the game's optimization for AMD hardware.

The GPU's role becomes critical at 4K resolution. At 3840x2160 with High settings, the combo averages 73 FPS, but this drops to 60 FPS at Ultra settings. The 16 GB VRAM is never a concern—even at 4K Ultra, the memory footprint of Doom is well below 16 GB—so the performance drop between High and Ultra at 4K is likely due to shading complexity and fill-rate demands. The GPU's pixel rate of 233.3 GPixel/s and texture rate of 583.2 GTexel/s are sufficient for 1080p and 1440p, but at 4K Ultra, the additional texture filtering and post-processing effects push the rendering pipeline to its limits.

Resolution Scaling — how FPS drops from 1080p to 4K and what it says about the limiting component

The measured frame rates across resolutions reveal a clear scaling pattern that identifies the GPU as the primary bottleneck at higher resolutions. At 1080p High, the combo delivers 209 FPS, which drops to 135 FPS at 1440p High (a 35.4% reduction) and then to 73 FPS at 4K High (a 45.9% reduction from 1440p). This scaling aligns with the increase in pixel count: 1440p has 1.78 times the pixels of 1080p, and 4K has 2.25 times the pixels of 1440p. The frame rate drops are slightly less than the pixel count increases, suggesting some GPU headroom is being consumed but not entirely saturated.

Looking at Low settings, the scaling is even more revealing. At 1080p Low, the combo achieves 284 FPS, at 1440p Low it drops to 184 FPS (a 35.2% reduction), and at 4K Low it reaches 99 FPS (a 46.2% reduction from 1440p). The consistency of these percentage drops across settings indicates that resolution scaling is uniform, and the GPU is the limiting factor at all resolutions above 1080p. At 1080p Low, the 284 FPS average suggests the CPU may start to become a factor, as this frame rate approaches the practical limit for many game engines' draw call processing.

The Ultra preset shows the steepest scaling curve. At 1080p Ultra, the combo achieves 171 FPS, at 1440p Ultra it drops to 110 FPS (a 35.7% reduction), and at 4K Ultra it falls to 60 FPS (a 45.5% reduction from 1440p). This consistent ~35% drop from 1080p to 1440p and ~45% drop from 1440p to 4K across all settings strongly indicates that the GPU's rendering throughput is the dominant constraint. The CPU's performance remains sufficient even at 1080p Ultra, as the 171 FPS result shows no sign of CPU-induced throttling.

How This Combo Ranks — use comboRankInGame vs other tested combos

The Intel Core Ultra 5 235 paired with the AMD Radeon RX 7800 XT ranks 1238th out of 3,712 tested combinations in Doom. This places the combo in the 66.6th percentile of all tested configurations, meaning it outperforms roughly two-thirds of all combinations while being surpassed by the top third. This ranking is noteworthy given the GPU's modest 51st percentile standing among all GPUs, suggesting that Doom's optimization for AMD hardware boosts this particular pairing above what the GPU's general benchmark scores might predict.

The rank also reflects the balance between the CPU and GPU. The CPU's 89th percentile standing is significantly higher than the GPU's 51st percentile, indicating that the CPU is not the limiting factor in this combo. In fact, the data suggests the CPU has substantial headroom that could support a more powerful GPU if the user were to upgrade. The rank of 1238 implies that many combos with more powerful GPUs but weaker CPUs achieve lower frame rates in Doom, which underscores the game's sensitivity to single-thread performance—a strength of the Core Ultra 5 235 with its 5.00 GHz boost clock.

Compared to other combos in the database, this pairing sits in the upper-middle tier for Doom specifically. The fact that the GPU's nearest rivals in general benchmarks include older cards like the GTX 1660 and RX 6500 XT, yet this combo still ranks relatively high, indicates that the RX 7800 XT's architecture and driver optimization for the Vulkan API (which Doom uses) provide a significant advantage in this title. The combo's rank also suggests that users seeking higher positions would need to pair the CPU with a higher-tier GPU, as the current GPU is the performance ceiling.

Settings Recommendations — which preset gives the best experience per the measured rows

Based on the measured FPS data, the High preset at 1440p offers the best balance of visual fidelity and performance. At 2560x1440 with High settings, the combo achieves an average of 135 FPS, which is well above the 60 FPS threshold for smooth gameplay and provides headroom for demanding scenes. The jump from High to Ultra at 1440p costs 25 FPS (from 135 to 110), which is a significant 18.5% performance penalty for what is typically a marginal visual improvement in Doom. Conversely, dropping from High to Medium at 1440p gains 25 FPS (from 135 to 160), but the visual quality reduction is noticeable.

For 4K gaming, the High preset at 73 FPS is the only viable option above 60 FPS. The Ultra preset at 4K drops to exactly 60 FPS, which is playable but leaves no headroom for frame-time spikes, and the Medium preset at 87 FPS offers only a modest improvement over High. The Low preset at 4K achieves 99 FPS but sacrifices too much visual detail for the resolution. Therefore, 4K High is recommended for users with 4K displays, as it provides a stable framerate while maintaining acceptable visual quality.

At 1080p, the High preset at 209 FPS is the sweet spot for high-refresh-rate monitors. The Ultra preset at 171 FPS is also viable for 144Hz displays, but the Medium preset at 247 FPS and Low preset at 284 FPS are better suited for 240Hz+ monitors. Given that Doom is a fast-paced FPS, prioritizing frame rate over visual fidelity is often preferable, making the Medium preset at 1080p (247 FPS) an attractive option for competitive play. However, for single-player immersion, 1080p Ultra at 171 FPS provides a compelling experience with minimal compromise.

Measured FPS Breakdown — resolution by resolution, settings by settings, exact numbers

At 1920x1080, the combo delivers its highest frame rates. The Low preset averages 284 FPS, the Medium preset averages 247 FPS with a minimum of 210 and maximum of 284, the High preset averages 209 FPS, and the Ultra preset averages 171 FPS. The spread from Low to Ultra is 113 FPS, representing a 39.8% performance drop when maxing out settings. The Medium preset's minimum of 210 FPS indicates that even under heavy load, the combo never drops below 210 FPS at 1080p, which is excellent for maintaining smooth gameplay.

At 2560x1440, the performance remains strong but shows a clear step down. The Low preset averages 184 FPS, the Medium preset averages 160 FPS with a minimum of 136 and maximum of 184, the High preset averages 135 FPS, and the Ultra preset averages 110 FPS. The gap between Low and Ultra at 1440p is 74 FPS, a 40.2% reduction. The Medium preset's minimum of 136 FPS means the combo stays above 136 FPS even in demanding scenes at 1440p Medium, which is still comfortably above the 60 FPS standard.

At 3840x2160, the performance becomes more constrained. The Low preset averages 99 FPS, the Medium preset averages 87 FPS with a minimum of 74 and maximum of 100, the High preset averages 73 FPS, and the Ultra preset averages 60 FPS. The drop from Low to Ultra at 4K is 39 FPS, a 39.4% reduction. The Medium preset's minimum of 74 FPS indicates that at 4K Medium, the combo maintains playable frame rates, but the Ultra preset's 60 FPS average offers no headroom for frame-time spikes, which could result in noticeable stuttering during intense combat sequences.

FAQ

Q: What is the best resolution to play Doom with this combo?

A: Based on the measured data, 1440p High offers the best balance at 135 FPS average, providing high visual quality with ample performance headroom. At 1080p, the High preset at 209 FPS is excellent for high-refresh monitors, while 4K is limited to High settings at 73 FPS for playable performance.

Q: How much performance is lost when moving from 1080p to 4K?

A: At High settings, the average FPS drops from 209 at 1080p to 135 at 1440p (a 35.4% reduction) and then to 73 at 4K (a 45.9% reduction from 1440p). At Ultra settings, the drop is from 171 at 1080p to 110 at 1440p (35.7% reduction) and then to 60 at 4K (45.5% reduction).

Q: Is the CPU or GPU the limiting factor in this combo?

A: The data indicates the GPU is the primary bottleneck at all resolutions above 1080p. The CPU's 89th percentile ranking and 5.00 GHz boost clock ensure it can feed the GPU adequately, as evidenced by the consistent FPS scaling patterns across resolutions that align with pixel count increases.

Q: Can this combo handle 4K Ultra settings in Doom?

A: Yes, but barely. The measured average FPS at 4K Ultra is exactly 60 FPS, which is playable but leaves no headroom for frame-time spikes. For a more stable experience, 4K High at 73 FPS is recommended.

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

A: This combo ranks 1238th out of 3,712 tested combinations in Doom, placing it in the 66.6th percentile. This is higher than the GPU's 51st percentile ranking among all GPUs, indicating the CPU-GPU pairing is well-optimized for this title.

Q: What is the minimum FPS recorded for this combo?

A: The only settings with recorded minimum FPS values are Medium presets: 210 FPS at 1080p, 136 FPS at 1440p, and 74 FPS at 4K. Other presets did not report minimum FPS values in the measured data.