Doom

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

The Intel Core i5-12600KF brings a 10-core, 16-thread Alder Lake-S design to this Doom configuration, with a base clock of 3.70 GHz and a boost clock of 4.90 GHz. This hybrid architecture mixes performance and efficiency cores, though the FACT PACK does not specify the exact core distribution. What matters for Doom is that the game's engine can leverage multiple threads effectively — the CPU's 3DMark 16-thread score of 7956 and max-thread score of 7952 show near-linear scaling from 8 threads (6128) to 16 threads, indicating the processor's thread capacity is well-utilized in heavily threaded workloads.

However, Doom's frame pacing at high refresh rates often depends more on single-thread performance. Here, the i5-12600KF posts a 3DMark single-thread score of 1016 and a Cinebench R23 single-core score of 3302. These figures place the CPU in the 79th percentile of all CPUs, a strong position for a game that rewards responsive, high-frequency execution. The 4.90 GHz boost clock likely helps maintain consistent frame delivery in scenes with many enemies or physics interactions, though the measured FPS data — with 1080p Low reaching 312 FPS — suggests the CPU is not the primary bottleneck at lower settings.

The CPU's 20 MB of shared L3 cache and 1.25 MB L2 per core provide ample on-die storage for game assets and instructions. The 125W TDP and unlocked multiplier indicate this is a desktop part designed for sustained performance, not mobile efficiency. In the context of Doom — a 2016 title with a well-optimized id Tech engine — the i5-12600KF's combination of high clock speeds and 16 threads appears overqualified for pure CPU-bound scenarios, yet the benchmark data shows it still contributes meaningfully to overall system throughput.

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

The NVIDIA GeForce RTX 3080 Ti is the heavy lifter in this pairing, built on the Ampere architecture with a GA102 chip fabricated on Samsung's 8nm process. The GPU packs 10,240 shading units, 320 TMUs, and 112 ROPs, with 80 RT cores and 320 Tensor cores available for ray tracing and AI workloads — though Doom (2016) does not use ray tracing, so these remain idle for this title. The 12 GB of GDDR6X memory on a 384-bit bus delivers 912.4 GB/s of bandwidth, which is critical for high-resolution texture streaming and explains why 4K Ultra still maintains a playable 66 FPS average.

Clock speeds are modest for a flagship: 1365 MHz base and 1665 MHz boost, with memory running at 1188 MHz (19 Gbps effective). The FP32 throughput of 34.10 TFLOPS and texture rate of 532.8 GTexel/s give the card raw compute headroom that Doom's Vulkan-based renderer can exploit. The GPU's PassMark G3D score of 26896 and 3DMark Steel Nomad DX12 score of 5077 place it in the 83rd percentile of all GPUs, slightly ahead of the CPU's 79th percentile ranking — suggesting the GPU is the stronger component in this combo.

The 12 GB VRAM capacity is notably generous for a 2016 game, meaning texture quality settings at 4K are unlikely to hit memory limits. The bandwidth of 912.4 GB/s ensures that even at 4K Ultra with heavy anisotropic filtering, the memory subsystem keeps up with the shader array's demands. The GPU's 350W TDP and dual-slot cooler design indicate this is a power-hungry part, but the FACT PACK provides no power consumption data for Doom specifically, so we can only infer from the architecture that sustained high FPS at 4K requires substantial energy draw.

# FAQ

Q: Why does the 4K Ultra preset drop to 66 FPS when 1080p Ultra runs at 188 FPS?

A: The resolution scaling from 1080p to 4K quadruples the pixel count, increasing GPU load disproportionately. The measured data shows a 122 FPS drop (188 to 66) from 1080p Ultra to 4K Ultra, indicating the RTX 3080 Ti's pixel throughput becomes the limiting factor at higher resolutions, while the CPU's 10 cores remain largely unchallenged.

Q: Is the i5-12600KF holding back the RTX 3080 Ti in this game?

A: At 1080p Low, the combo achieves 312 FPS, which is near the practical ceiling for most displays. The CPU's single-thread score of 1016 (3DMark) and multicore score of 7956 suggest it can feed the GPU adequately at lower resolutions. However, at 4K Ultra where FPS drops to 66, the GPU is clearly the bottleneck, so the CPU is not limiting performance in the most demanding scenarios.

Q: What does the combo's rank of 963 out of 3712 combinations tell us?

A: This places the pairing in the top 26% of all tested combos for Doom. The rank reflects both components' contributions, but given the GPU's higher percentile (83 vs 79), the RTX 3080 Ti likely has more influence on the final ranking than the CPU.

Q: How does the GPU compare to its nearest rivals in synthetic benchmarks?

A: The RTX 3080 Ti's average benchmark score of 41187 is 0.8% above the AMD Radeon Pro 5300 (40870) and 2% above the NVIDIA GeForce RTX 5070 (40377). It trails the NVIDIA Tesla M40 24 GB by 1.2% (41707) and the Tesla M40 by 1.7% (41897), though those are compute-focused cards unlikely to be used for gaming.

Q: Should I play at 1440p or 4K for the best experience?

A: The measured FPS shows 1440p High at 149 FPS and 1440p Medium at 176 FPS, both well above 60 FPS for smooth gameplay. At 4K, High drops to 81 FPS and Medium to 95 FPS. The data suggests 1440p offers a better balance of visual fidelity and frame rate, while 4K is viable for slower-paced exploration or if your display supports adaptive sync.

Q: Does the CPU's performance differ significantly from its nearest rivals?

A: The i5-12600KF's average score of 27799 is virtually identical to the Intel Core i9-10900K (27872, -0.3%), AMD Ryzen 7 5800X3D (27896, -0.3%), and AMD Ryzen 7 6800U (27887, -0.3%). It is only 0.3% above the AMD Ryzen 5 8500GE (27712). This indicates the CPU is well-matched to its peers, with no single rival offering a clear advantage.

# How This Combo Ranks

The Intel Core i5-12600KF + NVIDIA GeForce RTX 3080 Ti combination ranks 963rd out of 3712 tested combos in Doom, placing it in the 74th percentile of all pairings. This is a strong result, though not elite — the top quartile begins around the 928th position, so this combo sits just above that threshold. The rank reflects the synergy between a high-end CPU and a flagship GPU, but the data suggests other combinations (likely with newer GPUs or higher-core-count CPUs) achieve better raw FPS.

Breaking down the contribution: the CPU's 79th percentile ranking among all CPUs is slightly below the GPU's 83rd percentile. This 4-point gap implies the GPU is the stronger component, which is consistent with the measured FPS scaling — the RTX 3080 Ti's performance advantage becomes more pronounced at 4K where GPU load dominates. In Doom's specific engine, which scales well with GPU compute, the RTX 3080 Ti's 34.10 TFLOPS gives it a clear edge over the CPU's thread management.

The rank of 963 also contextualizes the combo's absolute performance. With 4K Ultra hitting 66 FPS and 1080p Low reaching 312 FPS, this pairing is capable of high-refresh 1440p gaming and smooth 4K at High settings. The measured data shows no configuration in this game generates a min FPS below 81 (at 4K Medium), indicating consistent frame delivery across all tested presets.

# Resolution Scaling

The measured FPS data reveals a clear pattern of GPU-bound scaling as resolution increases. From 1080p to 1440p, the average FPS drops by roughly 35-40% across all settings: High goes from 230 to 149 (35% drop), Low from 312 to 202 (35% drop), Medium from 272 to 176 (35% drop), and Ultra from 188 to 122 (35% drop). This uniform reduction indicates the GPU's pixel processing rate is the limiting factor, as the CPU workload remains relatively constant regardless of resolution.

Scaling from 1440p to 4K shows a more severe drop, with average FPS falling by 45-50%: High drops from 149 to 81 (46% drop), Low from 202 to 109 (46% drop), Medium from 176 to 95 (46% drop), and Ultra from 122 to 66 (46% drop). The consistency of these percentages — roughly 35% for the first resolution jump and 46% for the second — points to a quadratic relationship between pixel count and frame time, which is expected for a GPU-bound scenario.

The fact that the FPS drop percentages are nearly identical across all settings (Low, Medium, High, Ultra) is significant. It suggests that the rendering pipeline's resolution-dependent components (pixel shading, memory bandwidth) scale independently of the quality preset's effect on shader complexity. In other words, the RTX 3080 Ti's 912.4 GB/s memory bandwidth and 186.5 GPixel/s pixel rate are the primary constraints at higher resolutions, not the specific quality settings.

# Measured FPS Breakdown

1080p (1920x1080):

• Low: 312 FPS average
• Medium: 272 FPS average, 231 min, 313 max
• High: 230 FPS average
• Ultra: 188 FPS average

1440p (2560x1440):

• Low: 202 FPS average
• Medium: 176 FPS average, 150 min, 202 max
• High: 149 FPS average
• Ultra: 122 FPS average

4K (3840x2160):

• Low: 109 FPS average
• Medium: 95 FPS average, 81 min, 110 max
• High: 81 FPS average
• Ultra: 66 FPS average

The 1080p results demonstrate the combo's ability to drive extremely high frame rates, with Low hitting 312 FPS and even Ultra maintaining 188 FPS. The Medium preset shows tight min-max ranges (231-313 at 1080p, 150-202 at 1440p, 81-110 at 4K), indicating stable frame pacing across resolutions. The gap between Low and Medium is notably smaller than between Medium and High — at 1080p, the difference is 40 FPS (312 to 272), while Medium to High is 42 FPS (272 to 230). This suggests the Medium preset introduces only minor additional GPU load compared to Low, while High adds more substantial effects.

At 4K, the Ultra preset's 66 FPS average is still above the 60 FPS threshold for smooth gameplay, though it leaves little headroom for demanding scenes. The Medium preset at 4K (95 FPS) offers a much larger safety margin, with a min FPS of 81 that ensures consistent performance. The 1440p results are the sweet spot: High at 149 FPS and Medium at 176 FPS both provide excellent frame rates with visual quality that approaches 4K's fidelity at a fraction of the pixel count.

# Settings Recommendations

Based on the measured FPS rows, the optimal settings depend on resolution and the desired frame rate target. For a 60 FPS target, all configurations at all resolutions meet the goal — even 4K Ultra at 66 FPS. However, for a 144 Hz display (common for competitive gaming), the data shows that 1440p Medium (176 FPS) and 1440p High (149 FPS) are the best choices, as they reliably exceed the refresh rate with visual quality intact. At 1080p, even Ultra (188 FPS) exceeds 144 Hz, making it viable for ultra-high refresh monitors.

For 4K, the data suggests Medium (95 FPS) is the most balanced preset, offering nearly 50% more performance than Ultra (66 FPS) while presumably retaining most of the visual enhancements that matter in Doom's fast-paced combat. The High preset at 4K (81 FPS) sits between the two, providing a middle ground for those who prioritize visual fidelity over raw frame rate. The Low preset at any resolution is difficult to recommend given the significant visual compromises, though it does unlock the highest possible frame rates (312 FPS at 1080p).

The min FPS data — available only for Medium presets — shows that Medium provides the most consistent frame delivery across all resolutions. At 1080p, the min of 231 FPS ensures no drops below 144 Hz; at 1440p, the min of 150 FPS stays above 144 Hz; at 4K, the min of 81 FPS keeps gameplay smooth even in intense scenes. This consistency makes Medium the safest choice for players who prioritize stability over maximum visual quality. For those with high-refresh 1440p monitors, the High preset at 149 FPS is acceptable but leaves less headroom for frame time spikes, making Medium the recommended default for competitive play.