Roblox

# Roblox with AMD Ryzen 9 7900X + NVIDIA GeForce RTX 5090 D

This combination of the 12-core AMD Ryzen 9 7900X and the flagship NVIDIA GeForce RTX 5090 D delivers exceptional performance in Roblox, ranking first out of 3,711 tested configurations. The data shows a system capable of triple-digit frame rates even at 4K Ultra settings, with the pairing demonstrating remarkable scaling across resolutions and quality presets.

FAQ

Q: What is the highest average frame rate recorded for this combo?

A: The maximum average FPS observed is 776 at 1080p with Low settings. This drops to 507 FPS at the same resolution when Ultra settings are enabled, showing the significant impact of quality presets even on a high-end system.

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

A: The Ryzen 9 7900X scores 53,288 on average, placing it 0.2% ahead of the AMD EPYC 7313P (53,206) and 0.6% ahead of the Intel Xeon 634 (52,974). It trails the Intel Core i7-14700F by 0.6% (53,620) and the Intel Xeon Phi 7290 by 0.3% (53,469).

Q: What is the GPU's percentile ranking among all tested graphics cards?

A: The RTX 5090 D sits in the 92nd percentile of all GPUs tested, with an average benchmark score of 77,712. Its closest rival, the AMD Radeon RX 6650M XT, scores 76,904 (1.1% lower), while the Radeon RX 6850M XT scores 78,940 (1.6% higher).

Q: What memory configuration does the GPU use?

A: The RTX 5090 D features 32 GB of GDDR7 memory on a 512-bit bus, delivering 1.79 TB/s of bandwidth. The memory clock runs at 1750 MHz with 28 Gbps effective speed.

Q: How does frame rate scale from 1080p to 4K at Ultra settings?

A: At Ultra, the average FPS drops from 507 at 1080p to 338 at 1440p (a 33.3% decrease), then further to 191 at 4K (a 43.5% decrease from 1440p). This represents a total reduction of 62.3% from 1080p to 4K.

Q: What is the combo's overall rank in Roblox?

A: This specific CPU-GPU combination ranks first out of 3,711 tested combos for Roblox, making it the top-performing configuration in the database for this game.

GPU Role

The NVIDIA GeForce RTX 5090 D plays a dominant role in Roblox's performance, with its massive 32 GB GDDR7 memory pool proving more than sufficient for any scenario the game can present. The GPU's 512-bit memory bus and 1.79 TB/s bandwidth ensure that texture streaming and draw calls never become bottlenecks, even at 4K resolution where memory pressure is highest.

Clock speeds on this Blackwell 2.0 architecture GPU run at 2017 MHz base and 2407 MHz boost, with 21,760 shading units available for geometry and pixel processing. The 176 ROPs deliver a pixel rate of 423.6 GPixel/s, which explains why the card can maintain such high frame rates in a game like Roblox that relies heavily on simple geometry and fill-rate-bound rendering.

The GPU's 104.8 TFLOPS of FP32 compute and 1,636.8 GTexel/s texture rate suggest that the card is vastly overprovisioned for Roblox's rendering demands. This is reflected in the benchmark data: at 1080p Low settings, the system achieves 776 FPS average, indicating that the CPU is likely the limiting factor at lower resolutions and settings, while the GPU remains underutilized.

The 170 RT cores and 680 tensor cores on this card are largely irrelevant for Roblox's current rendering pipeline, which does not appear to leverage ray tracing or AI-accelerated features in the measured results. The GPU's DirectX 12 Ultimate support and Vulkan 1.4 compatibility ensure forward compatibility, but the measured performance suggests Roblox is primarily a rasterization workload.

Resolution Scaling

The measured FPS data reveals a clear pattern of GPU-bound scaling as resolution increases, though the system remains exceptionally fast at every setting. At Low settings, frame rates drop from 776 FPS at 1080p to 518 FPS at 1440p (a 33.2% decrease), then to 293 FPS at 4K (a 43.4% decrease from 1440p). This steep drop-off indicates that the GPU is becoming increasingly load-bound as pixel count rises.

Medium settings show a similar trend: 706 FPS at 1080p, 471 FPS at 1440p (33.3% lower), and 267 FPS at 4K (43.3% lower). The consistency of these percentage drops across Low and Medium suggests that the bottleneck shifts smoothly from CPU-limited at low resolutions to GPU-limited at higher ones, with no sudden cliffs in performance.

High settings follow the same pattern: 625 FPS at 1080p, 417 FPS at 1440p (33.3% lower), and 236 FPS at 4K (43.4% lower). The near-identical scaling percentages across Low, Medium, and High indicate that resolution is the primary factor driving performance changes, not the quality preset itself.

Ultra settings show the most dramatic resolution scaling: 507 FPS at 1080p, 338 FPS at 1440p (33.3% lower), and 191 FPS at 4K (43.5% lower). The fact that scaling percentages remain consistent even at Ultra suggests that the added shader complexity scales uniformly with pixel count, confirming that Roblox's rendering workload is largely fill-rate limited at higher resolutions.

The 4K-to-1080p ratio at every preset hovers around 2.6x to 2.7x performance difference, which is close to the theoretical 4x pixel count difference but not equal. This indicates that some efficiency gains occur at higher resolutions due to better GPU utilization, though the system remains severely over-powered for this game at any resolution.

How This Combo Ranks

This configuration achieves the top rank of 1 out of 3,711 tested combos for Roblox, placing it above every other CPU-GPU pairing in the database. The combination of the Ryzen 9 7900X's strong single-thread performance and the RTX 5090 D's massive rasterization throughput proves ideal for Roblox's particular workload characteristics.

The CPU's 91st percentile ranking among all processors (average score 53,288) and the GPU's 92nd percentile ranking (average score 77,712) combine to create a system that outperforms both components' individual standings. This synergy suggests that Roblox benefits disproportionately from having top-tier hardware in both roles, rather than being bottlenecked by either component.

The Ryzen 9 7900X's nearest rivals in CPU benchmarks all score within 0.6% of each other, indicating that the processor's 12 cores and 24 threads provide competitive performance without being the standout factor. The GPU, meanwhile, shows slightly more variance among its nearest rivals, with the Tesla P100 PCIe 16 GB scoring 2.4% higher in average benchmark scores.

In game-specific performance, the measured FPS results show that this combo maintains frame rates well above display refresh rates even at 4K Ultra (191 FPS average), meaning the system never dips below what would be considered playable on any current monitor. The ranking of 1st out of 3,711 combos confirms that no other tested configuration delivers higher frame rates in Roblox.

Settings Recommendations

For 1080p displays, the data shows that even Ultra settings (507 FPS average) provide frame rates far beyond what any monitor can display, making the choice of preset purely a visual preference. Low settings at 776 FPS offer no practical benefit over Ultra unless the user is chasing maximum frame rates for competitive play, but the 53.1% FPS increase from Ultra to Low comes at a significant visual quality cost.

At 1440p, the system maintains 338 FPS at Ultra and 518 FPS at Low, again exceeding the refresh rate capabilities of all current gaming monitors. The Medium preset at 471 FPS with a minimum of 401 FPS provides a good balance of visual quality and performance headroom, though the high minimum frame rates across all presets suggest that stuttering is not a concern at this resolution.

For 4K gaming, Ultra settings deliver 191 FPS average, which remains above the 120-144 Hz refresh rates common on high-end 4K monitors. The Medium preset at 267 FPS (minimum 227 FPS) offers a substantial 39.8% performance increase over Ultra while likely providing most of the visual benefits, making it the recommended choice for users who prioritize frame rate stability.

Given that the minimum FPS data is only available for Medium settings (227 FPS at 4K, 401 FPS at 1440p, 600 FPS at 1080p), this preset appears to offer the best-documented consistency. The lack of min/max data for other presets makes direct comparison difficult, but the Medium preset's recorded minimums suggest excellent frame pacing. For most users, the Ultra preset at 1440p or the Medium preset at 4K will provide the best experience, balancing visual fidelity with the high frame rates that Roblox's engine can deliver.

Measured FPS Breakdown

At 1080p, the system delivers exceptional performance across all presets. Low settings produce 776 FPS average, Medium settings achieve 706 FPS with a minimum of 600 FPS and maximum of 812 FPS, High settings reach 625 FPS, and Ultra settings maintain 507 FPS. The gap between Low and Ultra represents a 34.7% performance difference, indicating that quality presets have a measurable but modest impact at this resolution.

Moving to 1440p, frame rates remain extremely high. Low settings yield 518 FPS average, Medium settings deliver 471 FPS (minimum 401 FPS, maximum 542 FPS), High settings achieve 417 FPS, and Ultra settings sustain 338 FPS. The scaling from 1080p shows a consistent 32-33% reduction across all presets, confirming that resolution, not settings, is the primary determinant of performance at this level.

At 4K, the system still maintains triple-digit frame rates across all presets. Low settings produce 293 FPS average, Medium settings deliver 267 FPS (minimum 227 FPS, maximum 307 FPS), High settings achieve 236 FPS, and Ultra settings sustain 191 FPS. The step from 1440p to 4K incurs a 43-44% performance penalty, which is slightly less than the pixel count difference would suggest, indicating some efficiency gains at higher resolutions.

The Medium preset is the only one with complete min/max data at all three resolutions, providing the most detailed picture of frame pacing. At 1080p, the 600-812 FPS range shows a 212 FPS spread; at 1440p, the 401-542 FPS range shows a 141 FPS spread; and at 4K, the 227-307 FPS range shows an 80 FPS spread. This narrowing range at higher resolutions suggests that GPU load becomes more consistent as the bottleneck shifts fully to the graphics card.

The overall trend across all resolutions shows that this combination is massively over-powered for Roblox, with even the most demanding configuration (4K Ultra at 191 FPS) delivering frame rates that exceed the refresh rate of virtually all consumer displays. The system's rank of 1st among 3,711 combos confirms its status as the definitive top performer for this game, with no other tested configuration able to match its combination of CPU throughput and GPU rasterization power.