RobloxFPS onXeon Platinum 8380&GeForce RTX 4090

Roblox

Scales from mobile devices to high-end PCs. The engine is lightweight and typically capped at 60 FPS. It requires a stable internet connection for asset streaming and a DX10 compatible GPU.

This game has a built-in FPS cap of 60 FPS

Roblox - FPS Estimates by Resolution

Actual FPS may vary based on RAM speed, background processes, and other system factors

1080P
low60 FPS
medium60 FPS
high60 FPS
ultra60 FPS
1440P
low60 FPS
medium60 FPS
high60 FPS
ultra60 FPS
4K
low60 FPS
medium60 FPS
high60 FPS
ultra60 FPS

Performance Report

Roblox

GeForce RTX 4090 + Xeon Platinum 8380
🎮Visual Experience

At 1080p, all quality settings exceed 259 FPS, suitable for 144Hz+ monitors. At 1440p, all settings exceed 237 FPS. At 4K, all settings exceed 185 FPS.

Official Requirements

The GeForce RTX 4090 is 843% above the recommended GPU (GeForce GTX 660) for Roblox. The Xeon Platinum 8380 is 2744% above the recommended CPU (Core 2 Duo).

⚙️FPS Ceiling Analysis

The Xeon Platinum 8380 sets the FPS ceiling at 1080p (low/medium/high), 1440p (low/medium/high), all 4k settings, while the GeForce RTX 4090 still has headroom. The FPS ceiling is closely matched at 1080p ultra, 1440p ultra.

💰Value Analysis

Approximated average price on current market:

GeForce RTX 4090:$1649(updated 2/6/2026)
Official Launch Price: $1599
Xeon Platinum 8380:$965(updated 2/11/2026)
Official Launch Price: $2010

Combo price: $2614. At 1080p Ultra, this combo delivers 259 FPS, equivalent to 0.1 FPS per dollar.

ResolutionLowMediumHighUltra
1080p0.152 fps/$0.127 fps/$0.128 fps/$0.099 fps/$
1440p0.122 fps/$0.107 fps/$0.112 fps/$0.091 fps/$
4k0.090 fps/$0.080 fps/$0.087 fps/$0.071 fps/$

* Table values represent FPS per Dollar (higher is better)

Performance Limiter Analysis

Xeon Platinum 8380|GeForce RTX 4090

This section is based on estimated CPU/GPU FPS ceilings, not utilization percentages.

📈Analysis

At 1080p medium, the Xeon Platinum 8380 sets the ceiling at about 317 FPS, while the GeForce RTX 4090 could reach 394 FPS. In this scenario, the CPU limits the GPU potential by 20% (FPS gap: 77 FPS). Overall distribution: CPU limits 10/12 cells, GPU limits 0/12, balanced 2/12.

Verdict

CPU Limits GPU

Your Xeon Platinum 8380 is the limiting side in the heaviest mismatch. This means part of the GeForce RTX 4090 rendering potential remains unused in those settings.

🧩Detailed Breakdown
1080p (Full HD)
LowCPU Limits GPU 12%
MediumCPU Limits GPU 20%
HighCPU Limits GPU 9%
UltraBalanced
1440p (2K QHD)
LowCPU Limits GPU 8%
MediumCPU Limits GPU 14%
HighCPU Limits GPU 8%
UltraBalanced
4K (Ultra HD)
LowCPU Limits GPU 6%
MediumCPU Limits GPU 17%
HighCPU Limits GPU 17%
UltraCPU Limits GPU 16%
Percentages show how much potential FPS of the stronger component is lost because the other component has a lower FPS ceiling.
🧠Methodology

We estimate the maximum FPS the processor can sustain and the maximum FPS the graphics card can sustain in each setting, then compare those limits directly.

Limit Factor formula: (stronger - weaker) / stronger. Example: if CPU ceiling is 200 FPS and GPU ceiling is 140 FPS, then GPU limits CPU by 30%.

CPU Limits GPU means the processor ceiling is lower. GPU Limits CPU means the graphics ceiling is lower. Balanced means the FPS ceilings are close enough that the gap is negligible.

A component can still be the FPS limiter without reaching 100% utilization. The displayed percentages are derived from FPS ceilings, not generic utilization heuristics.

Roblox Requirements Comparison

See how your processor and graphics card compare against the game official minimum and recommended system specs. The placement of your hardware is calculated using relative synthetic performance scores to help you gauge overall playability.

CPU - Xeon Platinum 8380
cpu icon
62,318
Your Score
MinimumCeleron D
RecommendedCore 2 Duo
GPU - GeForce RTX 4090
gpu icon
38,112
Your Score
MinimumGeForce 6600
RecommendedGeForce GTX 660

Your CPU is 2744% above and your GPU is 843% above the recommended specs. Ultra settings at 1080p, or High at 1440p/4K.

CPU

+2744%vsrecommended

GPU

+843%vsrecommended

CPU

+1977%vsminimum

GPU

+2422%vsminimum

Minimum Requirements
Video Card: GeForce 6600
Processor: Celeron D
Memory: 1 GB
Disk Space: 20 MB
System: Windows 10
Recommended Requirements
Video Card: GeForce GTX 660
Processor: Core 2 Duo
Memory: 4 GB
Disk Space: 1 GB
System: Windows 10

Frequently Asked Questions

1Can the Xeon Platinum 8380 and GeForce RTX 4090 run Roblox well?

Yes, the Xeon Platinum 8380 paired with the GeForce RTX 4090 can run Roblox smoothly up to 4k achieving around 185 FPS at Ultra quality. Your GPU is 843% above the recommended specs, and your CPU is 2744% above the recommended requirements.

2Is there a more cost-effective setup to run Roblox?

This CPU + GPU combo costs approximately $2614 ($965 CPU (Rank #296 Value) + $1649 GPU (Rank #77 Value)). Your Xeon Platinum 8380 provides phenomenal top-tier performance but at a premium enthusiast price. Since you are essentially at the ceiling of current hardware capabilities, there are no meaningful performance upgrades available. However, if you wanted a more cost-effective build that still delivers a great experience, you could theoretically step down to a high-end processor with a significantly better value rating. For example, the EPYC 9355P is a great upgrade option for around $2998 (Rank #287 for value).

3Which component should I upgrade first to improve Roblox performance?

Your Xeon Platinum 8380 is already an incredibly powerful processor. While it's technically the first component to hit its limit (which is completely normal in state-of-the-art builds), there is no meaningful upgrade path that would drastically improve your Roblox performance right now. CPU fully utilized at: 1080p low, 1080p medium, 1080p high, 1440p low, 1440p medium, 1440p high, 4k low, 4k medium, 4k high, 4k ultra.

4Does this setup support Frame Generation for Roblox?

Roblox does not currently support Frame Generation technologies like DLSS 3 or FSR 3. Your performance is based entirely on native rendering. If the game adds support in a future update, newer GPUs will benefit the most.

5What are the minimum and recommended specs for Roblox?

Roblox requires at minimum a Celeron D (CPU) and GeForce 6600 (GPU) with 1 GB RAM and 20 MB storage. For the recommended experience, you need a Core 2 Duo and GeForce GTX 660 with 4 GB RAM. Your Xeon Platinum 8380 and GeForce RTX 4090 both exceed the recommended specs, so you're well-positioned for a great experience.

6How accurate are these Roblox FPS estimates for the Xeon Platinum 8380 and GeForce RTX 4090?

These Roblox FPS results are not arbitrary numbers. They come from calculations informed by thousands of real gaming benchmarks, and the typical accuracy range is around 10% to 15%. That makes them far more useful than generic FPS calculators that simply invent values without a benchmark foundation. Actual in-game performance can still vary with drivers, updates, RAM configuration, cooling, and the exact scene being rendered.

Performance estimates are based on synthetic benchmarks and hardware capabilities.

Results may vary based on drivers, OS, and background processes.