Doom

Resolution Scaling

The measured FPS data for Doom with the Intel Core i5-12400F and Intel Arc B580 shows a clear and predictable progression as resolution increases. At 1920x1080 with High settings, the combo produces an average of 134 FPS. Moving to 2560x1440 High drops the average to 89.4 FPS, a reduction of roughly one-third. At 3840x2160 High, the average falls further to 50.1 FPS. This scaling pattern indicates that the system transitions from being CPU-bound at lower resolutions to increasingly GPU-bound as pixel count rises.

The delta between Low and Ultra settings at each resolution is telling. At 1080p, the spread from Low (186.6 FPS) to Ultra (112.1 FPS) is approximately 74 FPS, demonstrating significant headroom in the GPU even at the highest settings. At 1440p, the spread narrows to about 47 FPS between Low (120.2 FPS) and Ultra (72.9 FPS). At 4K, the spread compresses further to roughly 26 FPS between Low (67 FPS) and Ultra (41.1 FPS). This compression at higher resolutions is the classic signature of a GPU-limited scenario, where the render load dominates and the CPU's influence on frame rate diminishes.

The 4K results deserve closer scrutiny. At 3840x2160, even Low settings yield only 67 FPS average, which is below the 70 FPS threshold many users consider smooth for fast-paced action. Ultra at this resolution produces 41.1 FPS, which is playable but far from ideal for a competitive FPS. The data suggests that 4K gaming with this pairing is possible but requires accepting lower quality presets to maintain acceptable frame rates.

Conversely, 1080p appears to be where this combo flourishes. The 134 FPS average at High settings and 186.6 FPS at Low indicate substantial headroom, suggesting the GPU is not the limiting factor at this resolution. The i5-12400F's six cores and twelve threads, combined with its boost clock of 4.40 GHz, appear sufficient to keep the Arc B580 fed at 1080p. This is further supported by the fact that the 1080p Medium result (159.1 FPS) is still far above the 1440p High result (89.4 FPS), indicating that resolution, not settings, is the primary driver of performance changes.

GPU Role

The Intel Arc B580 brings a substantial feature set to Doom, a title known for its id Tech 6 engine and demanding Vulkan rendering path. The GPU's 12 GB of GDDR6 memory on a 192-bit bus provides 456.0 GB/s of bandwidth, which is more than sufficient for the texture loads typical of this game. The core configuration includes 2560 shading units, 160 texture mapping units, and 80 render output units, with pixel rate rated at 213.6 GPixel/s and texture rate at 427.2 GTexel/s.

Clock behavior is unusual for this card: base and boost clocks are identical at 2670 MHz, meaning the GPU runs at a fixed frequency under load. Memory operates at 2375 MHz, translating to 19 Gbps effective. The FP32 throughput of 13.67 TFLOPS places this card in a competitive position for 1080p and 1440p gaming. The GPU's percentile rank of 66 among all tested GPUs, with an average benchmark score of 23021, puts it in the upper-middle tier. Its nearest rival, the NVIDIA GeForce RTX 4060, scores 23181, a delta of -0.7%, meaning the Arc B580 is essentially on par with that card in aggregate benchmarks.

In Doom specifically, the GPU's role becomes dominant at 1440p and 4K. The 1440p High result of 89.4 FPS and 4K High result of 50.1 FPS reflect the raw rendering capability of the Arc B580. The jump from 1440p High to 4K High represents a 44% reduction in frame rate, which aligns with the roughly 2.25x increase in pixel count—indicating that the GPU is the primary bottleneck at these resolutions. The DirectX 12 benchmark score of 76 from PassMark suggests that the card handles DX12 titles competently, and Doom's Vulkan API support likely leverages the hardware well.

At 1080p, the GPU's role is less constraining. The fact that Ultra at 1080p (112.1 FPS) is higher than High at 1440p (89.4 FPS) confirms that pixel count, not settings complexity, is the primary limiter. The 12 GB VRAM is never likely to be a constraint at any tested resolution for this title, given Doom's 2016 release and relatively modest texture requirements.

CPU Role

The Intel Core i5-12400F is a six-core, twelve-thread processor based on Alder Lake architecture, fabricated on Intel's 10 nm process. Its base clock of 2.50 GHz and boost clock of 4.40 GHz provide solid single-thread performance, which is critical for game logic and draw call processing. The 18 MB of shared L3 cache and 1.25 MB L2 per core help with data locality in scenarios like Doom's fast-paced level streaming.

CPU benchmark data shows strong multithreaded capability: Cinebench R23 multicore scores 16518, and 3DMark max threads scores 5912. Single-thread performance is equally respectable, with Cinebench R23 single-core at 2332 and 3DMark single-thread at 909. The processor's average benchmark score of 19221 places it at the 77th percentile among all CPUs, with its nearest rival being the Intel Core i7-8700K at 19210, a delta of just 0.1%—essentially identical performance.

In Doom, the CPU's role is most apparent at 1080p. The 186.6 FPS average at Low settings suggests that even at this modest quality preset, the CPU can drive frame rates well above what most displays can show. The fact that 1080p Low (186.6 FPS) is 55% higher than 1440p Low (120.2 FPS) indicates that at 1080p, the CPU is not the limiting factor—rather, it's the GPU's pixel throughput that caps performance. The 3DMark 2-thread score of 1699 and 4-thread score of 3067 suggest that the CPU has ample headroom for the lightly threaded game logic typical of id Tech 6.

At 1440p and 4K, the CPU's influence wanes. The consistent frame rate drops as resolution increases, with no anomalous spikes or stutters that would indicate CPU bottlenecks. The i5-12400F's 65 W TDP and 20 PCIe Gen 5 lanes (CPU only) provide a solid platform foundation, though the GPU's PCIe 4.0 x8 interface is the relevant connection for this pairing. The CPU's 163 mm² die size and Alder Lake-S codename align with its mainstream positioning.

How This Combo Ranks

In the global database of tested CPU-GPU combinations, this pairing of Intel Core i5-12400F and Intel Arc B580 achieves a rank of 1292 out of 1681 tested combos. This places it in the lower-mid range of all configurations, which may seem surprising given the individual component performance. However, this rank reflects the aggregate across all tested games and workloads, not just Doom. The GPU's 66th percentile and CPU's 77th percentile positioning suggest that while each component is above average, the combination does not reach the upper echelons of performance.

For Doom specifically, the measured FPS results tell a more nuanced story. At 1080p High, the 134 FPS average is strong for a modern pairing. The 4K Ultra result of 41.1 FPS is modest but not catastrophic. The rank of 1292 indicates that many other combos deliver higher frame rates across the test suite, but this does not diminish the fact that this pairing handles Doom competently at 1080p and 1440p.

The nearest rival data for the GPU shows that the Arc B580 is within 1.3% of the NVIDIA GeForce RTX 4060 Mobile in aggregate scores, and within 0.7% of the desktop RTX 4060. This suggests that in games where the Arc B580's drivers are well-optimized, it can trade blows with NVIDIA's mainstream offering. The CPU's nearest rivals, including the Ryzen 5 7533HS and EPYC 7773X, are within 1.3% of its average score, indicating that the i5-12400F sits in a crowded performance band.

Settings Recommendations

Based on the measured FPS rows, the optimal settings for this combo depend heavily on target resolution and desired frame rate. At 1920x1080, all settings presets are viable. Ultra averages 112.1 FPS, which is smooth for most displays. High at 134 FPS provides additional headroom for competitive play. Medium at 159.1 FPS and Low at 186.6 FPS are excessive for most monitors but useful for high-refresh-rate displays. For 1080p, High is the recommended balance, delivering 134 FPS while maintaining visual quality.

At 2560x1440, the choices narrow. High yields 89.4 FPS, which is adequate for most gamers. Medium produces 104.1 FPS, offering a meaningful improvement with presumably minor visual trade-offs. Ultra drops to 72.9 FPS, which is still playable but approaches the lower bound for fast action. Low at 120.2 FPS is the highest frame rate but sacrifices visual fidelity. For 1440p, Medium is the recommended preset, providing 104.1 FPS, which balances smoothness and image quality.

At 3840x2160, the situation is constrained. Low averages 67 FPS, which is acceptable but not ideal. Medium at 53.3 FPS is playable for slower-paced sections but may feel sluggish in combat. High at 50.1 FPS and Ultra at 41.1 FPS fall below the 60 FPS threshold typically desired for FPS titles. For 4K, Low is the only setting that approaches playable frame rates, and even then, 67 FPS is below the ideal. Users prioritizing 4K should consider lowering resolution to 1440p and using Medium or High for a superior experience.

The data shows a clear pattern: this combo excels at 1080p with High settings, delivers solid 1440p performance with Medium, and struggles at 4K regardless of preset. The 89.4 FPS at 1440p High offers the best balance of visual quality and performance for most users, making it the standout configuration in the measured data.