Roblox

FAQ

Q: How does the AMD Ryzen 7 9700X perform in Roblox relative to other CPUs?

A: The Ryzen 7 9700X sits at the 86th percentile among all CPUs, with an average benchmark score of 37,943. Its nearest rival, the Intel Core i9-14901E, scores 37,911, placing the Ryzen chip just 0.1% ahead.

Q: What is the GPU's standing compared to other graphics cards?

A: The NVIDIA GeForce RTX 4080 achieves an average benchmark score of 54,247, placing it in the 86th percentile of all GPUs. The RTX 4080 SUPER scores 54,209, a 0.1% deficit, while the AMD Radeon RX 6750 GRE 12 GB scores 55,698, putting it 2.6% ahead.

Q: How many FPS does this combo produce at 1080p with High settings?

A: At 1920x1080 with High settings, the measured average FPS is 517. This is well above typical display refresh rates, indicating the system is heavily GPU-limited at lower resolutions.

Q: What is the CPU's single-threaded performance in Roblox-relevant benchmarks?

A: The Ryzen 7 9700X scores 1,280 in 3DMark single-thread and 2,211 in Cinebench R23 single-core. These numbers are critical for Roblox, which is known to be sensitive to single-thread performance.

Q: What is the GPU's VRAM capacity and how does it affect Roblox?

A: The RTX 4080 comes with 16 GB of GDDR6X memory on a 256-bit bus, providing 716.8 GB/s of bandwidth. For a game like Roblox, which is not demanding on VRAM, this capacity is far beyond what the game requires at any settings.

Q: How does the 9700X compare to its closest rival in multi-threaded workloads?

A: In 3DMark max-threads, the 9700X scores 9,771, while its Cinebench R23 multicore score is 20,485. The nearest rival, the Intel Core i9-14901E, has an average score of 37,911, which is 0.1% lower than the 9700X's average of 37,943.

GPU Role

The NVIDIA GeForce RTX 4080 is built on the Ada Lovelace architecture with a 5 nm process node and 45,900 million transistors. Its base clock runs at 2205 MHz with a boost clock of 2505 MHz, and the memory operates at 1400 MHz with 22.4 Gbps effective speed. This configuration delivers a pixel rate of 280.6 GPixel/s and a texture rate of 761.5 GTexel/s.

In Roblox, the GPU's role is primarily to handle rendering tasks that scale with resolution and graphical settings. The measured data shows that at 4K Ultra, the average FPS drops to 158, while at 4K Low it reaches 243. This 85 FPS gap between Low and Ultra at 4K indicates that the GPU is doing substantial work when higher-quality textures, shadows, and post-processing effects are enabled.

The 16 GB of GDDR6X memory is a significant asset. Roblox is a sandbox game where user-generated content can vary wildly in complexity; large worlds with many objects and textures can spike VRAM usage. With 716.8 GB/s of bandwidth, the RTX 4080 has ample headroom to stream textures and geometry without bottlenecking. Even at 4K Ultra, the data shows no signs of VRAM starvation, as the FPS drop from Medium to Ultra is 63 FPS (221 to 158), which is consistent with GPU compute limitations rather than memory capacity issues.

The GPU's 9728 shading units and 304 texture mapping units provide the raw compute power needed for Roblox's blocky aesthetic, which is deceptively demanding when rendering extensive draw distances and dynamic lighting. The 76 RT cores and 304 tensor cores are less relevant for Roblox, as the game does not heavily utilize ray tracing or DLSS in typical play sessions, but they are available for more graphically intensive user experiences within the platform.

Settings Recommendations

The measured FPS rows provide a clear picture of how settings affect performance. At 1920x1080, the Ultra preset delivers 420 FPS average, while Medium yields 585 FPS, and Low reaches 643 FPS. The High preset sits in between at 517 FPS. For most users with a 144 Hz or 240 Hz monitor, High settings at 1080p offer the best balance of visual fidelity and frame rate, as 517 FPS far exceeds any display's refresh rate and provides ample headroom for frame time consistency.

At 2560x1440, High settings produce 345 FPS average, which remains exceptionally high. Medium gives 390 FPS, and Low produces 429 FPS. The Ultra preset drops to 280 FPS, which is still well above 240 Hz displays. For 1440p, Medium settings appear optimal: 390 FPS average with a minimum of 332 FPS and maximum of 449 FPS, offering smooth performance with better visual quality than Low.

At 3840x2160, the picture changes. High settings yield 195 FPS, Medium produces 221 FPS, and Ultra drops to 158 FPS. Low reaches 243 FPS. For 4K, Medium settings are the sweet spot: 221 FPS average with a minimum of 188 FPS and maximum of 254 FPS. This preset provides a comfortable margin above 144 Hz refresh rates while maintaining visual quality. Ultra is playable but the 158 FPS average leaves less headroom for complex scenes, particularly in user-generated worlds with heavy scripting and physics.

The data suggests that Roblox scales predictably with settings: moving from Low to Medium costs roughly 8-9% performance, while Medium to High costs another 8-12%, and High to Ultra costs 20-25%. These deltas are consistent across resolutions, indicating that settings adjustments affect the GPU uniformly regardless of output resolution.

How This Combo Ranks

The combination of AMD Ryzen 7 9700X and NVIDIA GeForce RTX 4080 ranks 250th out of 3,711 tested combos in Roblox, placing it in the top 6.7% of all configurations. This ranking reflects the system's ability to maintain high frame rates even at 4K Ultra, where it still delivers 158 FPS average.

The CPU's 86th percentile standing among all CPUs and the GPU's 86th percentile standing among all GPUs create a balanced pairing. In Roblox, where frame rates can exceed 600 FPS at lower resolutions, the system's ranking is likely constrained by CPU single-thread performance rather than GPU capability. At 1080p Low, the 643 FPS average confirms the CPU's strong single-thread score of 2,211 in Cinebench R23.

The combo's rank of 250 out of 3,711 suggests that approximately 93% of tested configurations perform worse in Roblox. This is a strong result, but it also indicates that there are systems achieving even higher frame rates, likely with CPUs that have higher single-thread scores or GPUs with better raw rasterization performance.

Compared to the GPU's nearest rival, the RTX 4080 SUPER (0.1% lower average score), this combo would perform nearly identically. The AMD Radeon RX 6750 GRE 12 GB, which scores 2.6% higher in GPU benchmarks, might edge out this combo in GPU-bound scenarios, but the 9700X's strong single-thread performance likely compensates in CPU-bound scenarios like Roblox at 1080p.

CPU Role

The AMD Ryzen 7 9700X is an 8-core, 16-thread processor based on the Zen 5 architecture (Granite Ridge) on a 4 nm TSMC process. Its base clock is 3.80 GHz with a boost clock of 5.50 GHz, and it has 80 KB of L1 cache per core, 1 MB of L2 cache per core, and 32 MB of shared L3 cache.

In Roblox, the CPU's role is significant due to the game's physics engine, scripting (Lua), and world simulation. The measured FPS data shows that at 1080p Low, the system achieves 643 FPS average, which is 123 FPS higher than at 1080p High (517 FPS). This 19% difference at the same resolution indicates that the CPU is capable of feeding the GPU at very high frame rates, but the GPU becomes the limiting factor as settings increase.

The 9700X's single-thread performance is particularly relevant. Its 3DMark single-thread score of 1,280 and Cinebench R23 single-core score of 2,211 are strong, and Roblox's main thread often becomes the bottleneck in complex scenes. The 5.50 GHz boost clock provides the raw speed needed to maintain high frame rates in script-heavy environments.

Multi-threaded performance is less critical for Roblox but still relevant for background tasks and streaming. The 9700X scores 9,824 in 3DMark 16-threads and 20,485 in Cinebench R23 multicore. These scores suggest that the CPU can handle game server hosting, voice chat, and streaming simultaneously without degrading Roblox performance.

The CPU's 65 W TDP and dual-channel DDR5 memory support (89.6 GB/s bandwidth) complement the GPU well. The PCIe Gen 5 interface with 24 lanes ensures that the RTX 4080 has sufficient bandwidth for data transfer, though the GPU only uses PCIe 4.0 x16.

Measured FPS Breakdown

At 1920x1080, the measured average FPS values are as follows:

• Low: 643 FPS
• Medium: 585 FPS (min 497, max 673)
• High: 517 FPS
• Ultra: 420 FPS

The progression from Low to Ultra shows a steady decline: 643 → 585 → 517 → 420 FPS. The largest drop occurs between High and Ultra, a 97 FPS decrease (18.8%). The smallest drop is between Low and Medium, a 58 FPS decrease (9.0%).

At 2560x1440, the measured average FPS values are:

• Low: 429 FPS
• Medium: 390 FPS (min 332, max 449)
• High: 345 FPS
• Ultra: 280 FPS

The 1440p results show a similar pattern: 429 → 390 → 345 → 280 FPS. The High to Ultra drop is 65 FPS (18.8%), while Low to Medium drops 39 FPS (9.1%). These percentage deltas are nearly identical to 1080p, suggesting that settings have a consistent relative impact on GPU workload.

At 3840x2160, the measured average FPS values are:

• Low: 243 FPS
• Medium: 221 FPS (min 188, max 254)
• High: 195 FPS
• Ultra: 158 FPS

The 4K results show: 243 → 221 → 195 → 158 FPS. The High to Ultra drop is 37 FPS (19.0%), while Low to Medium drops 22 FPS (9.1%). The consistency of these percentage drops across resolutions indicates that Roblox's settings scaling is resolution-independent.

The minimum FPS values, available only for Medium settings, show the system's frame time consistency. At 1080p Medium, the minimum is 497 FPS (85% of average), at 1440p Medium it is 332 FPS (85% of average), and at 4K Medium it is 188 FPS (85% of average). This consistent 85% ratio suggests that frame pacing scales uniformly with resolution.

Resolution Scaling

The FPS drop from 1080p to 4K reveals the limiting component. At Low settings, the system delivers 643 FPS at 1080p, 429 FPS at 1440p, and 243 FPS at 4K. The 1080p to 1440p drop is 33.3%, and the 1440p to 4K drop is 43.4%. The 1080p to 4K total drop is 62.2%.

At Medium settings, the FPS values are 585 (1080p), 390 (1440p), and 221 (4K). The drops are 33.3% (1080p to 1440p) and 43.3% (1440p to 4K), with a total drop of 62.2% from 1080p to 4K.

At High settings, the FPS values are 517 (1080p), 345 (1440p), and 195 (4K). The drops are 33.3% and 43.5%, respectively, with a total drop of 62.3%.

At Ultra settings, the FPS values are 420 (1080p), 280 (1440p), and 158 (4K). The drops are 33.3% and 43.6%, with a total drop of 62.4%.

These remarkably consistent percentages across all settings indicate that resolution scaling is purely GPU-bound. The RTX 4080's performance scales predictably with pixel count, as expected for a rasterization-heavy workload. The 1080p to 1440p drop of 33.3% corresponds to a 2.25x pixel increase (1920x1080 = 2.07M pixels, 2560x1440 = 3.69M pixels), which implies a fill-rate-bound scenario. The 1440p to 4K drop of ~43.5% corresponds to a 2.25x pixel increase (3.69M to 8.29M pixels), again matching the pixel count ratio.

The fact that the CPU does not become a bottleneck at lower resolutions is evident from the 1080p Low result of 643 FPS. If the CPU were limiting, we would expect the FPS to plateau as resolution decreases, but the system continues to scale with pixel count. This suggests that the Ryzen 7 9700X has sufficient single-thread performance to sustain frame rates well above 600 FPS in Roblox, and the GPU remains the primary constraint even at 1080p.

The scaling pattern also indicates that Roblox does not have significant CPU-bound scenarios in the tested configurations. The consistent ~62% total drop from 1080p to 4K across all settings strongly implies that the GPU's fill rate and shading rate are the limiting factors, with the CPU maintaining a steady frame delivery rate.