Dota 2FPS onPentium SU4100&GeForce RTX 4090

Dota 2

Dota 2 moved to the Source 2 engine well before CS2. The 'New Frontiers' update expanded the map by 40%, increasing the load on CPU and memory. Unlike LoL, Dota 2 uses more complex models and lighting. It benefits significantly from the Vulkan API, which distributes load better across CPU cores, though it still relies heavily on main core performance. For stable performance in chaotic 5v5 fights, 16GB of RAM is highly recommended.

Dota 2 - FPS Estimates by Resolution

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

1080P
low17 FPS
medium17 FPS
high17 FPS
ultra17 FPS
1440P
low17 FPS
medium17 FPS
high17 FPS
ultra17 FPS
4K
low17 FPS
medium17 FPS
high17 FPS
ultra17 FPS

Performance Report

Dota 2

GeForce RTX 4090 + Pentium SU4100
🎮Visual Experience

At 1080p, performance runs at around 17 FPS. At 1440p, performance is around 17 FPS. At 4K, performance is around 17 FPS.

Official Requirements

The GeForce RTX 4090 is 521% above the recommended GPU (GeForce GTX 960) for Dota 2. The Pentium SU4100 is 34% below minimum CPU requirement.

⚙️FPS Ceiling Analysis

The Pentium SU4100 sets the FPS ceiling at all 1080p settings, all 1440p settings, all 4k settings, while the GeForce RTX 4090 still has headroom.

💰Value Analysis

Approximated average price on current market:

GeForce RTX 4090:$1649(updated 2/6/2026)
Official Launch Price: $1599
Pentium SU4100:$15(updated 2/10/2026)
Official Launch Price: $289

Combo price: $1664. At 1080p Ultra, this combo delivers 17 FPS, equivalent to 0.01 FPS per dollar.

ResolutionLowMediumHighUltra
1080p0.010 fps/$0.010 fps/$0.010 fps/$0.010 fps/$
1440p0.010 fps/$0.010 fps/$0.010 fps/$0.010 fps/$
4k0.010 fps/$0.010 fps/$0.010 fps/$0.010 fps/$

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

Performance Limiter Analysis

Pentium SU4100|GeForce RTX 4090

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

📈Analysis

At 1080p low, the Pentium SU4100 sets the ceiling at about 17 FPS, while the GeForce RTX 4090 could reach 456 FPS. In this scenario, the CPU limits the GPU potential by 96% (FPS gap: 439 FPS). Overall distribution: CPU limits 12/12 cells, GPU limits 0/12, balanced 0/12.

Verdict

CPU Limits GPU

Your Pentium SU4100 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 96%
MediumCPU Limits GPU 96%
HighCPU Limits GPU 96%
UltraCPU Limits GPU 95%
1440p (2K QHD)
LowCPU Limits GPU 96%
MediumCPU Limits GPU 96%
HighCPU Limits GPU 96%
UltraCPU Limits GPU 95%
4K (Ultra HD)
LowCPU Limits GPU 95%
MediumCPU Limits GPU 95%
HighCPU Limits GPU 95%
UltraCPU Limits GPU 93%
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.

📊Predicted Hardware Utilization for Pentium SU4100 and GeForce RTX 4090

1080p (Full HD)

Low
CPU89% - 92%
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GPU46% - 55%
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Medium
CPU89% - 92%
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GPU46% - 55%
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High
CPU89% - 92%
<>
GPU46% - 55%
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Ultra
CPU88% - 94%
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GPU56% - 59%
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1440p (2K QHD)

Low
CPU89% - 92%
<>
GPU46% - 55%
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Medium
CPU89% - 92%
<>
GPU46% - 55%
<>
High
CPU89% - 92%
<>
GPU46% - 55%
<>
Ultra
CPU89% - 100%
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GPU58% - 61%
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4K (Ultra HD)

Low
CPU89% - 92%
<>
GPU46% - 54%
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Medium
CPU89% - 92%
<>
GPU46% - 54%
<>
High
CPU89% - 92%
<>
GPU46% - 54%
<>
Ultra
CPU89% - 100%
<>
GPU58% - 60%
<>

Performance Summary

The Pentium SU4100 + GeForce RTX 4090 pairing runs this title with CPU utilization between 88% and 100% and GPU utilization between 46% and 61%. Pentium SU4100 reaches high load in heavier scenarios, while GeForce RTX 4090 is utilized efficiently without persistent saturation. As resolution scales, average GPU load rises from 52% at 1080p to 52% at 4K, while CPU averages move from 90% to 91%.

Load Interpretation

From a utilization perspective, this is a CPU-heavy load profile. At 1440p (2K QHD) Ultra, the Pentium SU4100 reaches 94% average load (89-100%), while the GeForce RTX 4090 remains comparatively lower at 60% (58-61%). This points to heavier CPU-side frame preparation work, but utilization alone does not define the FPS limiter.

Resolution Scaling

At 1080p, averages sit around CPU 90% and GPU 52%. At 1440p, that shifts to CPU 91% and GPU 53%, and at 4K it reaches CPU 91% and GPU 52%. This shows that workload scaling is limited, which can indicate engine-side constraints.

Optimal Settings Recommendation

1080p (Full HD) Ultra is the most balanced preset based on this dataset. It runs around CPU 91% (88-94%) and GPU 58% (56-59%), which keeps GeForce RTX 4090 well utilized without constant max-out behavior while Pentium SU4100 remains stable for consistent frame delivery.

Upgrade Insight

Upgrade priority should be the CPU. The Pentium SU4100 reaches 94% average load at 1440p (2K QHD) Ultra while the GeForce RTX 4090 remains comparatively underutilized, so a faster processor would improve frame-time consistency and top-end FPS.

Understanding Hardware Utilization: These percentages represent how much of your component's maximum processing power is actively being used during gameplay. They describe hardware load, but they do not directly tell you which component sets the FPS ceiling.

Important: a CPU or GPU can still be the FPS limiter without reaching 100% utilization. Two processors can both show 40% usage and still deliver very different frame rates, depending on per-core speed, cache, engine threading, driver overhead, and frame preparation efficiency.

  • High GPU Load: You typically want to see High GPU Utilization (90%+) and moderate CPU usage when visual settings are heavy. This indicates the graphics pipeline is under strong load, but the exact FPS limiter should still be confirmed by the FPS ceiling analysis.
  • High CPU Load: If you see High CPU Utilization (85%+) paired with lower GPU utilization, the processor is handling a disproportionate share of frame preparation and game logic. That can point to CPU-side pressure, but it should not be treated as a direct replacement for FPS ceiling analysis.
  • Low CPU and GPU Load: If both CPU and GPU utilization are relatively low, it means the hardware is waiting on something else. This could be a game engine limitation, poorly optimized code, or an artificial framerate cap like VSync holding performance back. It does not mean both parts are equally fast in FPS terms.

Data generated by our Machine Learning engine trained on real-world benchmarks. Shows the approximate average utilization at each setting.

Dota 2 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 - Pentium SU4100
cpu icon
685
Your Score
MinimumCore 2 Duo E7400
RecommendedCore i5-2500K
GPU - GeForce RTX 4090
gpu icon
38,112
Your Score
MinimumGeForce 8600 GT
RecommendedGeForce GTX 960

Your hardware is below minimum requirements. CPU is the limiting factor (34% below minimum). Expect performance issues. Low settings recommended.

CPU

-89%vsrecommended

GPU

+521%vsrecommended

CPU

-34%vsminimum

GPU

+13367%vsminimum

Minimum Requirements
Video Card: GeForce 8600 GT
Processor: Core 2 Duo E7400
Memory: 4 GB
Disk Space: 60 GB
System: Windows 7
Recommended Requirements
Video Card: GeForce GTX 960
Processor: Core i5-2500K
Memory: 8 GB
Disk Space: 60 GB (SSD)
System: Windows 10 64-bit

Frequently Asked Questions

1Can the Pentium SU4100 and GeForce RTX 4090 run Dota 2 well?

The Pentium SU4100 and GeForce RTX 4090 will struggle to run Dota 2 at smooth framerates. At 1080p Ultra, you can expect around 17 FPS which is classified as "struggling". Consider lowering settings or upgrading your hardware.

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

This CPU + GPU combo costs approximately $1664 ($15 CPU + $1649 GPU (Rank #77 Value)). 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 7845HX is a great upgrade option (Rank #1 for value).

3Which component should I upgrade first to improve Dota 2 performance?

For Dota 2, upgrading the CPU would have the biggest impact on performance. The Pentium SU4100 is currently the limiting factor — the GeForce RTX 4090 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 Dota 2?

Dota 2 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 Dota 2?

Dota 2 requires at minimum a Core 2 Duo E7400 (CPU) and GeForce 8600 GT (GPU) with 4 GB RAM and 60 GB storage. For the recommended experience, you need a Core i5-2500K and GeForce GTX 960 with 8 GB RAM. Your hardware falls below the minimum requirements for this game, which may result in poor performance.

6How accurate are these Dota 2 FPS estimates for the Pentium SU4100 and GeForce RTX 4090?

These Dota 2 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.