Rainbow Six Siege FPS on Core i9-10900X + GeForce RTX 5090

Rainbow Six Siege

This tactical shooter uses the AnvilNext 2.0 engine and features procedural environmental destruction, which can be taxing on the CPU. The Vulkan API helps older hardware maintain performance by better utilizing available resources. Siege is sensitive to RAM speed and latency. The HD Texture Pack can push VRAM usage over 6GB, so cards with 8GB or more are recommended for the best visual experience at 1080p or 1440p.

Rainbow Six Siege - FPS Estimates by Resolution

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

1080P
low493 FPS
medium394 FPS
high353 FPS
ultra292 FPS
1440P
low368 FPS
medium303 FPS
high281 FPS
ultra256 FPS
4K
low206 FPS
medium178 FPS
high157 FPS
ultra136 FPS

Performance Report

Rainbow Six Siege

GeForce RTX 5090 + Core i9-10900X
🎮Visual Experience

At 1080p, all quality settings exceed 292 FPS, suitable for 144Hz+ monitors. At 1440p, all settings exceed 256 FPS. At 4K, all settings exceed 136 FPS.

Official Requirements

The GeForce RTX 5090 is 625% above the recommended GPU (GeForce GTX 670) for Rainbow Six Siege. The Core i9-10900X is 239% above the recommended CPU (Core i5-2500K).

⚙️FPS Ceiling Analysis

The Core i9-10900X sets the FPS ceiling at all 1080p settings, all 1440p settings, all 4k settings, while the GeForce RTX 5090 still has headroom.

💰Value Analysis

Approximated average price on current market:

GeForce RTX 5090:$2700
Official Launch Price: $1999
Core i9-10900X:$425
Official Launch Price: $590

Combo price: $3125. At 1080p Ultra, this combo delivers 292 FPS, equivalent to 0.09 FPS per dollar.

ResolutionLowMediumHighUltra
1080p0.158 fps/$0.126 fps/$0.113 fps/$0.093 fps/$
1440p0.118 fps/$0.097 fps/$0.090 fps/$0.082 fps/$
4k0.066 fps/$0.057 fps/$0.050 fps/$0.044 fps/$

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

Performance Limiter Analysis

Core i9-10900X|GeForce RTX 5090

This section is based on estimated CPU/GPU FPS ceilings, not utilization percentages. Adjacent heavier settings are lightly stabilized to remove prediction jitter that would otherwise create impossible reversals.

📈Analysis

At 1080p low, the Core i9-10900X sets the ceiling at about 501 FPS, while the GeForce RTX 5090 could reach 843 FPS. In this scenario, the CPU limits the GPU potential by 41% (FPS gap: 342 FPS). Overall distribution: CPU limits 12/12 cells, GPU limits 0/12, balanced 0/12.

Verdict

CPU Limits GPU

Your Core i9-10900X is the limiting side in the heaviest mismatch. This means part of the GeForce RTX 5090 rendering potential remains unused in those settings.

🧩Detailed Breakdown
1080p (Full HD)
LowCPU Limits GPU 41%
MediumCPU Limits GPU 41%
HighCPU Limits GPU 41%
UltraCPU Limits GPU 41%
1440p (2K QHD)
LowCPU Limits GPU 41%
MediumCPU Limits GPU 41%
HighCPU Limits GPU 41%
UltraCPU Limits GPU 41%
4K (Ultra HD)
LowCPU Limits GPU 41%
MediumCPU Limits GPU 41%
HighCPU Limits GPU 41%
UltraCPU Limits GPU 41%
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 and then monotonic-smoothed across heavier presets and resolutions, not generic utilization heuristics.

Rainbow Six Siege 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 - Core i9-10900X
cpu icon
22,377
Your Score
MinimumCore i3-560
RecommendedCore i5-2500K
GPU - GeForce RTX 5090
gpu icon
38,867
Your Score
MinimumGeForce GTX 460
RecommendedGeForce GTX 670

Your CPU is 239% above and your GPU is 625% above the recommended specs. Ultra settings at 1080p, or High at 1440p/4K.

CPU

+239%vsrecommended

GPU

+625%vsrecommended

CPU

+890%vsminimum

GPU

+1608%vsminimum

Minimum Requirements
Video Card: GeForce GTX 460
Processor: Core i3-560
Memory: 6 GB
Disk Space: 61 GB
System: Windows 10 64-bit
Recommended Requirements
Video Card: GeForce GTX 670
Processor: Core i5-2500K
Memory: 8 GB
Disk Space: 61 GB (SSD)
System: Windows 10 64-bit

Frequently Asked Questions

1Can the Core i9-10900X and GeForce RTX 5090 run Rainbow Six Siege well?

Yes, the Core i9-10900X paired with the GeForce RTX 5090 can run Rainbow Six Siege smoothly up to 4k achieving around 136 FPS at Ultra quality. Your GPU is 625% above the recommended specs, and your CPU is 239% above the recommended requirements.

2Is there a more cost-effective setup to run Rainbow Six Siege?

This CPU + GPU combo costs approximately $3125 ($425 CPU + $2700 GPU). Since the CPU is the main limiting factor, investing in a stronger processor will improve your framerates and overall value. For example, the Ryzen 9 9950X is a great upgrade option for around $649 (Rank #4 for value).

3Which component should I upgrade first to improve Rainbow Six Siege performance?

For Rainbow Six Siege, upgrading the CPU would have the biggest impact on performance. The Core i9-10900X is currently the limiting factor — the GeForce RTX 5090 has extra headroom that a faster processor could take advantage of. This is especially noticeable at 1080p where CPU performance matters more. CPU-limited at: 1080p low, 1080p medium, 1080p high, 1080p ultra, 1440p low, 1440p medium, 1440p high, 1440p ultra, 4k low, 4k medium, 4k high, 4k ultra.

4Does this setup support Frame Generation for Rainbow Six Siege?

Rainbow Six Siege 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 Rainbow Six Siege?

Rainbow Six Siege requires at minimum a Core i3-560 (CPU) and GeForce GTX 460 (GPU) with 6 GB RAM and 61 GB storage. For the recommended experience, you need a Core i5-2500K and GeForce GTX 670 with 8 GB RAM. Your Core i9-10900X and GeForce RTX 5090 both exceed the recommended specs, so you're well-positioned for a great experience.

6How accurate are these Rainbow Six Siege FPS estimates for the Core i9-10900X and GeForce RTX 5090?

These Rainbow Six Siege 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.