Doom

Resolution Scaling

The measured frame rates across the three resolutions paint a clear picture of where the performance ceiling lies for this AMD Ryzen 5 5600F and Intel Arc B390 combination. At 1080p with Low settings, the combo produces 107 FPS average, which drops to 69 FPS at 1440p and further down to 37 FPS at 4K. That represents a 65% reduction in frame rate from 1080p to 4K at Low settings, a steep decline that indicates the GPU is the primary scaling factor as pixel count increases.

The pattern holds across other settings presets. At High settings, the frame rate falls from 78 FPS at 1080p to 51 FPS at 1440p, then to 28 FPS at 4K. The Medium preset shows a similar trajectory: 93 FPS at 1080p, 60 FPS at 1440p, and 33 FPS at 4K. The Ultra preset, which is the most demanding configuration measured, starts at 64 FPS at 1080p and drops to 41 FPS at 1440p, finally reaching just 22 FPS at 4K.

The resolution scaling behavior suggests that this game, Doom, is heavily GPU-bound at higher resolutions with this particular hardware pairing. The frame rate drops are proportionally larger than what would be expected if the CPU were the limiting factor, since the Ryzen 5 5600F with its 6 cores and 12 threads should maintain consistent performance across resolution changes if it were the bottleneck. Instead, the data shows that moving from 1440p to 4K nearly halves the frame rate at every settings preset, which is characteristic of a GPU struggling with pixel throughput.

At 1080p, the gap between Low and Ultra settings is 43 FPS (107 versus 64), while at 4K that gap shrinks to 15 FPS (37 versus 22). This compression of the settings delta at higher resolutions further confirms that the Intel Arc B390 is the constraining component, as the GPU's raw rendering capacity becomes the dominant factor when pixel count rises, leaving less headroom for settings-driven performance differences.

Settings Recommendations

The measured data provides a clear hierarchy of playability across the four settings presets. At 1080p, the Low preset delivers 107 FPS, which is the highest frame rate recorded for this combo in any configuration. The Medium preset offers 93 FPS, representing a 13% reduction from Low but still well within smooth gameplay territory. High drops to 78 FPS, and Ultra falls to 64 FPS. For players prioritizing frame rate at 1080p, the Low preset is the obvious choice, though Medium provides a substantial visual upgrade for a modest 14 FPS penalty.

At 1440p, the situation becomes more nuanced. The Low preset achieves 69 FPS, which is the only configuration at this resolution that clears the 60 FPS threshold. Medium sits at 60 FPS exactly, making it a viable option for those who want better visuals while maintaining playable performance. High drops to 51 FPS, and Ultra falls to 41 FPS. The data suggests that 1440p Medium is the sweet spot for this resolution, as it delivers the same frame rate as the 1080p Ultra preset while offering higher pixel density.

For 4K, the measured results are uniformly below playable thresholds. The best result is 37 FPS at Low settings, with Medium at 33 FPS, High at 28 FPS, and Ultra at 22 FPS. None of these configurations reach the 60 FPS target that competitive FPS players typically seek, and even the 30 FPS minimum for console-like playability is only achieved at Low and Medium settings. The 4K Medium preset records a minimum frame rate of 28 FPS, which means there will be noticeable dips below the average in demanding scenes.

The optimal experience per the measured rows is 1080p Low at 107 FPS for maximum smoothness, or 1080p Medium at 93 FPS for a balance of visual quality and responsiveness. At 1440p, the Low preset at 69 FPS is the recommended choice for maintaining high frame rates, while 4K should be avoided entirely for serious gameplay given the sub-40 FPS results across all settings.

GPU Role

The Intel Arc B390 is an integrated graphics solution based on the Xe3-LPG architecture, built on Intel's 3 nm process node. Its clock speeds are listed with a base of 300 MHz and a boost of 2500 MHz, which represents an 8.3x multiplier between base and boost operation. The GPU features 1536 shading units, 48 texture mapping units, and 24 raster output pipelines, along with 12 ray tracing cores.

A critical aspect of this GPU's configuration is its memory subsystem. The B390 uses system shared memory, meaning there is no dedicated VRAM on the graphics processor itself. The memory type is listed as "System Shared," the bus width is "System Shared," and the bandwidth is described as "System Dependent." This architecture means the GPU's performance is heavily influenced by the system's RAM speed and the efficiency of the shared memory controller, which can introduce latency and bandwidth limitations compared to discrete GPUs with dedicated VRAM.

The GPU's raw compute capabilities are modest, with an FP32 throughput of 7.680 TFLOPS and a texture rate of 120.0 GTexel/s. The pixel rate is rated at 60.00 GPixel/s. In the 3DMark Steel Nomad DX12 benchmark, the B390 scored 1482 points, placing it in the 9th percentile of all GPUs. Its nearest rivals in benchmark scores are the NVIDIA GeForce GT 520MX at 1463 points (1.3% higher), the NVIDIA GeForce 800M at 1460 points (1.5% higher), the NVIDIA GeForce GT 625 OEM at 1446 points (2.5% higher), and the NVIDIA GeForce GT 710 at 1443 points (2.7% higher). This places the B390 in the company of very low-end discrete GPUs from previous generations.

These benchmark results align with the measured FPS data in Doom. The GPU's limited pixel throughput and shared memory bandwidth explain why the frame rates drop so dramatically as resolution increases. At 4K, the GPU is clearly overwhelmed, unable to maintain even 40 FPS at the lowest settings. The 22 FPS result at 4K Ultra is particularly telling, as it represents the GPU's absolute limit when pushed with maximum rendering load.

How This Combo Ranks

The combination of the AMD Ryzen 5 5600F and Intel Arc B390 ranks 2580 out of 2930 tested combos in Doom. This places the pairing in the bottom 12% of all configurations tested, reflecting the GPU's limited performance capabilities. The rank is heavily influenced by the B390's integrated graphics nature, as the CPU in this pairing is far more capable than the GPU.

The Ryzen 5 5600F itself has an average benchmark score of 36945, placing it in the 85th percentile of all CPUs. Its nearest rivals include the Intel Core Ultra 5 225 at 36938 points (0% delta), the AMD Ryzen 5 5500X3D at 37018 points (-0.2% delta), the AMD Ryzen AI 7 PRO 450 at 37093 points (-0.4% delta), and the Intel Core i9-12900T at 37112 points (-0.5% delta). This CPU is clearly a solid mid-range processor that should not bottleneck most gaming workloads.

However, the GPU's percentile ranking tells a different story. At the 9th percentile, the B390 is among the weakest graphics solutions in the benchmark database. The combination of a 85th percentile CPU with a 9th percentile GPU creates a severely imbalanced system where the graphics card holds back the entire platform. In Doom, this imbalance manifests as the CPU sitting idle while the GPU struggles to render frames, particularly at higher resolutions.

The combo rank of 2580 out of 2930 suggests that most other tested configurations deliver better performance in this game. The data indicates that the B390's integrated nature and shared memory architecture are severe handicaps for a demanding FPS title like Doom, even though the game was designed with scalability in mind. Players with this combo would need to significantly lower resolution and settings to achieve acceptable frame rates.

CPU Role

The AMD Ryzen 5 5600F is a 6-core, 12-thread processor based on the Zen 3 architecture, codenamed Vermeer. It operates with a base clock of 3.00 GHz and a boost clock of 4.00 GHz, manufactured on TSMC's 7 nm process node with 4,150 million transistors on a 74 mm² die. The CPU supports DDR4 memory with dual-channel configuration and a bandwidth of 51.2 GB/s, and it uses the AMD Socket AM4 platform.

In synthetic benchmarks, the 5600F demonstrates solid multi-threaded performance with a Passmark multithread score of 19236 and a single-thread score of 2872. Its integer math score is 59339, floating point math is 34548, and data compression is 232836. These scores indicate a capable processor that handles both gaming and productivity workloads well. The 32 MB of shared L3 cache is particularly beneficial for gaming, as it reduces memory latency for frequently accessed data.

However, in this specific Doom configuration, the CPU's role is largely secondary to the GPU's limitations. The measured frame rates at 1080p Low (107 FPS) suggest that the CPU is capable of feeding frames at a reasonable rate, but the GPU cannot maintain that performance as resolution increases. The CPU's cores and threads are not the bottleneck in this system; rather, the B390's rendering throughput is the limiting factor.

The CPU's 65 W TDP and unlocked multiplier indicate that it is an efficient, overclockable processor. Its 85th percentile ranking among all CPUs confirms that it is above average in overall performance. For Doom specifically, the CPU's 6 cores and 12 threads are more than sufficient for the game's engine, which is known for being well-optimized across a range of hardware. The data shows that upgrading the GPU while keeping this CPU would likely yield substantial frame rate improvements, as the CPU has ample headroom to drive a more powerful graphics card.

Measured FPS Breakdown

At 1920x1080, the measured average frame rates are 107 FPS at Low settings, 93 FPS at Medium, 78 FPS at High, and 64 FPS at Ultra. The Medium preset shows a minimum of 79 FPS and a maximum of 107 FPS, indicating that frame times are stable with only modest variation. The 43 FPS spread between Low and Ultra at 1080p demonstrates that the GPU has enough headroom at this resolution to respond to settings changes meaningfully.

At 2560x1440, the average frame rates are 69 FPS at Low, 60 FPS at Medium, 51 FPS at High, and 41 FPS at Ultra. The Medium preset records a minimum of 51 FPS and a maximum of 69 FPS, showing that even the average frame rate at this setting sits right at the 60 FPS threshold, with dips below it during demanding scenes. The drop from 1080p to 1440p at Low settings is 38 FPS, representing a 35% reduction.

At 3840x2160, the average frame rates are 37 FPS at Low, 33 FPS at Medium, 28 FPS at High, and 22 FPS at Ultra. The Medium preset shows a minimum of 28 FPS and a maximum of 37 FPS, meaning that even the best-case frame time at this resolution falls below 40 FPS. The Ultra preset at 22 FPS is the worst result measured, making 4K gameplay impractical with this combo.

The data reveals a consistent pattern: each settings tier at a given resolution costs roughly 10-15 FPS compared to the next tier down. The resolution scaling is equally consistent, with each step from 1080p to 1440p to 4K reducing frame rates by approximately 30-40% at the same settings. The measured FPS breakdown confirms that this combo is best suited for 1080p gaming, with acceptable performance at Medium settings and above, while 1440p is marginal and 4K is not viable for smooth gameplay.