Doom

The Intel Core Ultra 7 265K paired with the NVIDIA GeForce RTX 5090 lands at rank 49 out of 3712 tested combos in Doom, placing it comfortably in the top 1.3% of all configurations measured. This is a dominant position that reflects the synergy between a high-end 2024 processor and a flagship 2025 graphics card, though the data shows the GPU is doing most of the heavy lifting in this particular title. The combo's percentile ranking against all CPUs at 94 and all GPUs at 92 confirms that both components are operating near the top of their respective classes, but the measured frame rates reveal where each part's contribution matters most.

How This Combo Ranks

The rank of 49 out of 3712 combos is exceptional, but it is not the absolute top spot. The delta between this pairing and the very best configurations is driven primarily by CPU choice, since the RTX 5090 is already near the ceiling of what Doom can utilize. When looking at the CPU's nearest rivals, the Intel Core Ultra 7 265K posts an average benchmark score of 70879, which is just 0.2% behind the Intel Xeon 6511P (71051) and 0.7% behind the Intel Xeon Platinum 8270 (71370). More tellingly, it beats the Intel Core i7-14700KF (70163) by 1% and the AMD Ryzen 7 9700F (69996) by 1.3%. These are tight margins, suggesting that the gap between top-tier CPUs is small enough that the GPU becomes the primary differentiator in frame rates.

In Doom specifically, the data shows that this combo is not bottlenecked in a way that would push it higher in the rankings. The game's Vulkan-based engine scales well with raw GPU throughput, and the RTX 5090's 104.8 TFLOPS of FP32 performance provides enormous headroom. However, the rank suggests that a handful of combos with even faster CPUs (likely those with higher single-thread performance) edge out this pairing at lower resolutions where CPU overhead matters more. At 1920x1080 with Low settings, the combo hits 454 FPS average, which is impressive but still leaves room for faster configurations. The practical takeaway is that this is a top-tier combo for Doom, and the only meaningful upgrades would come from pairing the RTX 5090 with a CPU that has a higher single-core score than the 265K's 2020 in Cinebench R23.

GPU Role

The RTX 5090 is the undisputed star of this combo in Doom, and its specifications explain why. The GPU comes with 32 GB of GDDR7 memory on a 512-bit bus, delivering 1.79 TB/s of bandwidth. That memory capacity is far beyond what Doom needs, but the bandwidth is critical for high-resolution texture streaming. The card's base clock of 2017 MHz and boost clock of 2407 MHz are high, and with 21760 shading units, it can process geometry and pixels at a rate that keeps frame times low even at 4K. The 176 ROPs and 680 TMUs ensure that fill-rate limits are rarely hit, and the pixel rate of 423.6 GPixel/s is more than sufficient for the game's visual effects.

In the measured data, the GPU's dominance is clear when comparing settings at the same resolution. At 3840x2160, dropping from Ultra to High nets a 21 FPS improvement (96 to 117), but dropping from High to Medium nets another 22 FPS (117 to 139). The jump from Medium to Low is even larger at 20 FPS (139 to 159), showing that the GPU scales almost linearly with settings reduction at 4K. This indicates that the RTX 5090 is fully utilized at 4K, and the frame rate differences are driven by pixel shader workload rather than any CPU limitation. The GPU's 92nd percentile ranking versus all GPUs reinforces that it is one of the fastest cards available, and its average benchmark score of 79842 is only 0.3% behind the NVIDIA Tesla P100 PCIe 16 GB (79605) and 0.6% behind the Tesla P100 PCIe 12 GB (79396), while comfortably ahead of the AMD Radeon RX 6850M XT by 1.1%.

Settings Recommendations

The measured FPS data provides a clear picture of which settings preset offers the best balance of visual quality and performance for this combo. At 3840x2160, Ultra runs at 96 FPS average, which is playable but leaves little headroom for dips in intense combat scenes. High runs at 117 FPS, which is a 22% improvement over Ultra and is the sweet spot for 4K gaming on a 120 Hz display. Medium runs at 139 FPS, which is better for 144 Hz panels but sacrifices some visual fidelity. Low runs at 159 FPS, which is excellent for competitive play but makes the game look noticeably worse.

At 2560x1440, the recommendation shifts to Ultra. The combo hits 177 FPS average at Ultra, which is well above the 144 Hz refresh rate that most 1440p monitors offer. High runs at 216 FPS, Medium at 256 FPS, and Low at 294 FPS, but the visual improvements from Ultra are worth the performance cost since the frame rate remains high. At 1920x1080, the data shows that Ultra runs at 273 FPS, which is still extremely high, but High at 334 FPS and Medium at 396 FPS are better for 240 Hz or 360 Hz esports displays. The best recommendation across all resolutions is to use High settings at 4K, Ultra at 1440p, and High at 1080p unless you have a very high refresh rate monitor that benefits from the extra frames.

Measured FPS Breakdown

At 3840x2160, the combo delivers an average of 96 FPS on Ultra, 117 FPS on High, 139 FPS on Medium, and 159 FPS on Low. The Medium preset has the only recorded minimum and maximum FPS values in the entire dataset, with a min of 118 and a max of 160, indicating a variance of 42 FPS. This suggests that Medium at 4K can dip below 120 FPS in heavy scenes, which is worth noting for players targeting a locked 120 Hz experience. The jump from Ultra to High is 21 FPS (21.9% improvement), while High to Medium is 22 FPS (18.8% improvement), and Medium to Low is 20 FPS (14.4% improvement). The diminishing returns as settings drop suggest that the GPU is scaling well with workload reductions.

At 2560x1440, the numbers are significantly higher. Ultra averages 177 FPS, High averages 216 FPS, Medium averages 256 FPS, and Low averages 294 FPS. The Medium preset again shows the only min/max data, with a min of 218 and a max of 295, a variance of 77 FPS. The percentage improvements are similar to 4K: Ultra to High is 39 FPS (22.0%), High to Medium is 40 FPS (18.5%), and Medium to Low is 38 FPS (14.8%). This consistency across resolutions indicates that the RTX 5090's performance scaling is predictable and that the CPU is not introducing any variable bottlenecks here.

At 1920x1080, the combo reaches its highest frame rates. Ultra averages 273 FPS, High averages 334 FPS, Medium averages 396 FPS, and Low averages 454 FPS. The Medium preset once again has the only min/max data, with a min of 336 and a max of 455, a variance of 119 FPS. The jump from Ultra to High is 61 FPS (22.3%), High to Medium is 62 FPS (18.6%), and Medium to Low is 58 FPS (14.6%). The consistent 18-22% improvement from dropping one settings tier, and the consistent 14-15% improvement from dropping the last tier, suggests that the game's settings presets have a predictable impact on the GPU workload. The 1080p numbers are high enough that the CPU's role becomes more apparent, but the 265K's 20 cores and 5.50 GHz boost clock keep up without issue.

FAQ

Q: What is the best resolution for this combo in Doom?

A: Based on the measured data, 2560x1440 at Ultra settings (177 FPS average) provides the best balance of visual quality and performance, as it exceeds 144 Hz refresh rates while maintaining high fidelity. At 4K, High settings (117 FPS) are recommended for 120 Hz displays.

Q: How much of a performance drop is there from High to Ultra settings?

A: Across all three resolutions, dropping from High to Ultra costs roughly 22% of the frame rate. Specifically, the average FPS drops from 117 to 96 at 4K, from 216 to 177 at 1440p, and from 334 to 273 at 1080p.

Q: Does the RTX 5090's 32 GB of VRAM matter for Doom?

A: Doom does not require that much memory, but the 1.79 TB/s bandwidth from the 512-bit bus ensures texture streaming is never a bottleneck. The VRAM capacity is overkill for this game, but it future-proofs the system for other titles.

Q: Is the CPU holding back the GPU at 1080p?

A: The data shows 454 FPS average at 1080p Low settings, which is extremely high. The CPU's 5.50 GHz boost clock and 20 threads are sufficient to feed the GPU, and the 265K's nearest rivals are within 1.3% in average score, so no meaningful bottleneck exists.

Q: What is the minimum FPS recorded in the measured data?

A: The only minimum FPS values recorded are for Medium settings: 118 FPS at 4K, 218 FPS at 1440p, and 336 FPS at 1080p. No minimums are listed for Low, High, or Ultra presets.

Q: How does this combo compare to the top-ranked configurations?

A: With a rank of 49 out of 3712 combos, this pairing is in the top 1.3% of tested systems. The CPU's average benchmark score of 70879 is within 0.7% of its closest rivals, so the ranking gap is likely due to CPUs with higher single-thread performance.

CPU Role

The Intel Core Ultra 7 265K plays a supporting but essential role in this combo's Doom performance. With 20 cores and 20 threads, it provides ample parallel processing power, though Doom's engine is not heavily threaded. The base clock of 3.90 GHz and boost clock of 5.50 GHz are high, and the 30 MB of shared L3 cache helps with game data access. The CPU's single-core performance, as measured by a Cinebench R23 score of 2020, is strong but not the absolute highest available. This matters at lower resolutions where frame rates exceed 300 FPS, as the CPU must process draw calls and game logic quickly enough to keep the GPU fed.

The CPU's benchmark results show a well-rounded profile. In Cinebench R23 multicore, it scores 35850, which is excellent for productivity but not directly relevant to gaming. The Geekbench single-core score of 2713 and multicore score of 23085 confirm that the 265K is a fast processor, but its nearest rivals tell a more nuanced story. The Intel Xeon 6511P scores 71051 (0.2% higher), the Intel Xeon Platinum 8270 scores 71370 (0.7% higher), the Intel Core i7-14700KF scores 70163 (1.0% lower), and the AMD Ryzen 7 9700F scores 69996 (1.3% lower). These narrow margins indicate that the 265K is competitive but not class-leading in raw CPU throughput.

In Doom specifically, the CPU's role is most evident at 1920x1080, where the combo hits 273 FPS on Ultra and 454 FPS on Low. These frame rates are high enough that CPU overhead becomes a factor, but the 265K's performance is sufficient to avoid becoming a bottleneck. The fact that the frame rate scales consistently with settings changes at all resolutions (roughly 22% improvement from Ultra to High) suggests that the GPU is the limiting factor, not the CPU. The CPU's 94th percentile ranking versus all CPUs indicates it is faster than most processors on the market, and its 125W TDP is reasonable for the performance it delivers. The launch MSRP of $394 positions it as a high-end desktop part, and its 3 nm process node from TSMC with 17,800 million transistors on a 243 mm² die gives it efficiency headroom. For Doom, the 265K is more than enough, and the data shows that the RTX 5090 is the component that determines the experience at every resolution and settings preset.