Fortnite

# FAQ

Q: How does the AMD Ryzen 7 3700X + Intel Arc B390 combo rank among all tested combinations in Fortnite?

A: This combo ranks 2417th out of 2740 tested combos, placing it in the bottom 12% of all configurations. The data indicates this pairing sits well below the median performer, with the GPU percentile versus all GPUs at just 9th percentile.

Q: What is the best average FPS this combo achieves in Fortnite?

A: The highest measured average FPS is 115, achieved at 1920x1080 resolution with Low settings. The second-best result is 81 FPS at 1920x1080 with Medium settings, showing a steep drop-off as visual quality increases.

Q: How much performance difference exists between Low and Ultra settings at 1080p?

A: At 1920x1080, the combo delivers 115 FPS on Low but only 41 FPS on Ultra. That represents a 64% reduction in average frame rate when moving from the lowest to the highest preset, indicating the GPU struggles significantly with the game's maximum visual fidelity.

Q: What are the key specifications of the Intel Arc B390 GPU in this combo?

A: The Intel Arc B390 is built on the Xe3-LPG architecture (Panther Lake chip) using a 3 nm process from Intel. It has 1536 shading units, 48 TMUs, 24 ROPs, and 12 ray tracing cores. The boost clock reaches 2500 MHz with a base clock of 300 MHz, and it carries a 80 W TDP as an integrated graphics solution (IGP).

Q: How does the CPU's multi-threaded performance compare to its nearest rivals?

A: The Ryzen 7 3700X has an average benchmark score of 34260, which places it 0.1% ahead of the AMD Ryzen AI 7 350 (34222) and the AMD EPYC 4244P (34220). It trails the Intel Core i5-13450HX (34333) by 0.2% and leads the Intel Core Ultra 7 165H (34083) by 0.5%.

Q: Does the GPU have dedicated VRAM?

A: No. The Intel Arc B390 uses System Shared memory for both its memory size and type. The memory bus width is also System Shared, and bandwidth is labeled as System Dependent, meaning performance relies entirely on the system's main memory configuration.

# How This Combo Ranks

The comboRankInGame data places this AMD Ryzen 7 3700X + Intel Arc B390 pairing at position 2417 out of 2740 tested combinations. That percentile placement — roughly the 88th worst of all tested combos — reveals a fundamental imbalance in this configuration. The CPU is a relatively strong performer, sitting at the 84th percentile versus all CPUs, while the GPU languishes at the 9th percentile versus all GPUs. This enormous gap between processor capability and graphics capability dictates the entire performance profile in Fortnite.

The rank of 2417 out of 2740 means that only about 323 combos tested worse than this one. For a competitive battle royale title like Fortnite, where frame rates directly impact gameplay responsiveness, this ranking places the combo firmly in the lower tier of playable experiences. The data suggests that the Intel Arc B390 is the clear bottleneck — the CPU has far more headroom than the GPU can utilize, and the measured FPS numbers across all resolutions and settings reflect this constraint.

Interestingly, the CPU's nearest rivals in average benchmark score are a mix of mobile and desktop parts: the AMD Ryzen AI 7 350 (34222) and Intel Core Ultra 7 165H (34083) are modern mobile processors, while the AMD EPYC 4244P (34220) and Intel Core i5-13450HX (34333) serve server and laptop segments respectively. The Ryzen 7 3700X's position at 34260 places it right in the middle of this group, underscoring that the CPU's 8 cores and 16 threads remain competitive even against much newer designs — but that strength is wasted when paired with a GPU that ranks in the single digits percentile-wise.

# GPU Role

The Intel Arc B390 is the dominant limiting factor in this combo. Its 3DMark Steel Nomad DX12 score of 1482 places it in the 9th percentile versus all GPUs, with nearest rivals including the NVIDIA GeForce GT 520MX (1463, 1.3% slower), GeForce 800M (1460, 1.5% slower), GT 625 OEM (1446, 2.5% slower), and GT 710 (1443, 2.7% slower). These are all entry-level or legacy parts, which contextualizes the Arc B390's position as an integrated graphics solution rather than a discrete gaming GPU.

The GPU's memory configuration is System Shared, meaning there is no dedicated VRAM. The memory type, bus width, and bandwidth are all system-dependent, which means Fortnite's texture streaming and frame buffering rely on the host system's DDR4 memory bandwidth (51.2 GB/s for the Ryzen 7 3700X). This shared-memory architecture is typical for integrated graphics but severely constrains gaming performance, particularly at higher resolutions where larger framebuffers are needed.

Clock speeds show a boost clock of 2500 MHz with a base of 300 MHz, a wide dynamic range that suggests aggressive power management. The 80 W TDP for an IGP is notable — it is higher than typical integrated graphics, but the performance ceiling remains low. The GPU has 1536 shading units, 48 TMUs, and 24 ROPs, with a pixel rate of 60.00 GPixel/s and texture rate of 120.0 GTexel/s. The FP32 throughput is 7.680 TFLOPS, and FP16 is 15.36 TFLOPS with a 2:1 ratio. These compute figures, while not trivial on paper, translate to the measured FPS being consistently low across Fortnite's settings.

The GPU supports DirectX 12 Ultimate (12_2), OpenGL 4.6, and Vulkan 1.4, meaning it can technically run modern graphical features. However, the measured data shows that even at 1080p Low settings, the combo only reaches 115 FPS average, and at 4K Ultra it falls to 14 FPS. The ray tracing cores (12 of them) exist but are unlikely to provide playable performance in Fortnite's RT modes given the overall GPU throughput limitations.

# Measured FPS Breakdown

At 1920x1080, the combo delivers its best results. Low settings produce an average of 115 FPS, which is the only clearly playable result for competitive Fortnite. Medium settings drop to 81 FPS average, with a minimum of 69 FPS and maximum of 93 FPS — still acceptable for casual play but below the high-refresh territory many players target. High settings fall to 63 FPS average, and Ultra plummets to 41 FPS average. The spread from 115 to 41 FPS across presets demonstrates how sensitive this GPU is to graphical load.

At 2560x1440, performance degrades substantially. Low settings yield 73 FPS average, which remains playable but is a 37% drop from the 1080p Low result. Medium settings average 51 FPS (minimum 44, maximum 59), High settings drop to 40 FPS, and Ultra falls to 26 FPS. The 1440p results show that even Low settings barely maintain 60+ FPS, and any quality increase pushes the experience into sub-60 territory.

At 3840x2160, the combo struggles to maintain playability. Low settings average 39 FPS, Medium averages 27 FPS (minimum 23, maximum 31), High averages 21 FPS, and Ultra drops to 14 FPS. None of these 4K results reach the 60 FPS threshold commonly considered smooth for gaming. The data shows a clear pattern: this GPU cannot handle 4K Fortnite at any preset, and even 1440p requires Low settings for a stable experience.

The minimum and maximum FPS values are only recorded for Medium settings across all resolutions. At 1080p Medium, the range is 69-93 FPS; at 1440p Medium, it is 44-59 FPS; at 4K Medium, it is 23-31 FPS. This narrow range at each resolution suggests the GPU is consistently pegged near its limit rather than exhibiting frame-time spikes, which is typical of a hardware-bound scenario.

# Settings Recommendations

Based on the measured FPS data, the optimal experience for this combo depends heavily on the user's display resolution and performance priorities. At 1920x1080, Low settings at 115 FPS average is the only preset that provides a genuine competitive advantage, clearing the 100+ FPS threshold that many Fortnite players seek. Medium settings at 81 FPS is the best balance of visual quality and performance if the player can tolerate a lower frame rate. High at 63 FPS is borderline, and Ultra at 41 FPS is not recommended for any gameplay scenario — it sacrifices too much responsiveness for visual gains that the GPU cannot meaningfully deliver.

At 2560x1440, Low settings at 73 FPS is the only recommended preset. The jump to Medium at 51 FPS crosses below the 60 FPS threshold, which introduces noticeable input latency increases for a fast-paced game like Fortnite. High at 40 FPS and Ultra at 26 FPS are not viable for active play; they would be better suited for screenshot purposes or observing static scenes.

At 3840x2160, no preset achieves 60 FPS. Low at 39 FPS is the least objectionable, but even this is marginal. Players with 4K displays would be better served by lowering the resolution to 1440p or 1080p in the game's settings, as the data shows that resolution scaling has a far greater impact on performance than preset selection.

The overall recommendation is to run Fortnite at 1920x1080 with Low settings for competitive play, or Medium settings if visual fidelity matters more than maximum frame rate. The 69-93 FPS range at 1080p Medium provides a stable experience that remains above the minimum threshold for playable Fortnite, though the 115 FPS at Low represents the only result that approaches high-refresh-rate territory.

# CPU Role

The AMD Ryzen 7 3700X provides 8 cores and 16 threads based on the Zen 2 architecture (Matisse codename) built on TSMC's 7 nm process. Base clock is 3.60 GHz with a boost clock of 4.40 GHz, and the TDP is rated at 65 W. The CPU supports DDR4 memory with dual-channel configuration and a memory bandwidth of 51.2 GB/s. It uses the AMD Socket AM4 platform with PCIe Gen 4 and 24 lanes from the CPU.

In synthetic benchmarks, the 3700X shows strong multi-threaded performance. Cinebench R15 multicore scores 2092, while single-core scores 204. Geekbench results are 8899 multicore and 1593 single-core. Passmark tests show a multithread score of 22458, single-thread of 2656, integer math at 66399, floating-point math at 39005, and physics at 1181. The CPU's average benchmark score is 34260, placing it at the 84th percentile versus all CPUs.

The nearest rivals' deltaPct values are all within 0.5% of the 3700X's average score, which indicates that the CPU is performing at a level comparable to much newer processors. The AMD Ryzen AI 7 350 is 0.1% slower, the EPYC 4244P is 0.1% slower, the Core i5-13450HX is 0.2% faster, and the Core Ultra 7 165H is 0.5% slower. This tight clustering suggests that the 3700X, despite being from the 3000 series, has not fallen significantly behind modern mid-range options in raw compute capability.

For Fortnite specifically, the CPU's 8-core/16-thread configuration and 32 MB of L3 cache provide ample processing power for the game's physics, building mechanics, and network code. The measured FPS data shows that at 1080p Low, the combo reaches 115 FPS, but the GPU's limitations prevent higher frame rates. The CPU is not the bottleneck here — the 9th percentile GPU clearly is. If paired with a stronger GPU, the 3700X would likely support significantly higher frame rates given its benchmark position relative to CPUs that typically drive 200+ FPS in esports titles.

# Resolution Scaling

The measured FPS data across resolutions reveals how the combo scales with pixel count. At Low settings, the progression is 115 FPS at 1080p, 73 FPS at 1440p, and 39 FPS at 4K. That represents a 37% drop from 1080p to 1440p, and a further 47% drop from 1440p to 4K. The cumulative drop from 1080p to 4K is 66%, meaning the GPU loses two-thirds of its frame rate when pixel count quadruples.

At Medium settings, the scaling is 81 FPS (1080p), 51 FPS (1440p), and 27 FPS (4K). The 1440p result is 63% of the 1080p score, and the 4K result is 53% of the 1440p score. At High settings, the progression is 63 FPS, 40 FPS, and 21 FPS, showing similar proportional drops. At Ultra, it goes from 41 FPS to 26 FPS to 14 FPS.

The pattern across all settings shows that resolution scaling is roughly linear with pixel count, which indicates that the GPU is the limiting component. If the CPU were the bottleneck, we would expect to see smaller FPS differences between resolutions at lower settings, since the CPU workload stays constant while GPU workload increases. Instead, the consistent proportional drops suggest that the Intel Arc B390 is saturated at every resolution and setting combination.

The data implies that players using this combo should prioritize resolution over quality settings. Dropping from 4K to 1080p at Low settings yields a 195% FPS increase (from 39 to 115 FPS), whereas moving from Ultra to Low at 1080p only yields a 180% increase (from 41 to 115 FPS). The resolution scaling indicates that the System Shared memory architecture and the GPU's low compute throughput (7.680 TFLOPS FP32) are the primary constraints, and reducing pixel count directly alleviates the memory bandwidth pressure more effectively than reducing graphical effects.