Hearts of Iron IVFPS onRyzen 9 5900X&GeForce RTX 4090

Hearts of Iron IV

Known to slow down in the late game due to the exponential number of unit calculations. Single-core CPU speed is the most important factor for performance.

Hearts of Iron IV - FPS Estimates by Resolution

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

1080P
low233 FPS
medium219 FPS
high162 FPS
ultra135 FPS
1440P
low256 FPS
medium236 FPS
high175 FPS
ultra139 FPS
4K
low199 FPS
medium173 FPS
high121 FPS
ultra96 FPS

Performance Report

Hearts of Iron IV

GeForce RTX 4090 + Ryzen 9 5900X
🎮Visual Experience

At 1080p, all quality settings exceed 135 FPS. At 1440p, all settings exceed 139 FPS. At 4K, all settings exceed 96 FPS.

Official Requirements

The GeForce RTX 4090 is 870% above the recommended GPU (GeForce GTX 570) for Hearts of Iron IV. The Ryzen 9 5900X is 1430% above the recommended CPU (Core i5-750).

⚙️Bottleneck Analysis

The GeForce RTX 4090 determines the performance ceiling at all 1080p settings, all 1440p settings, 4k (high/ultra), executing at maximum capacity. The system is well balanced at 4k (low/medium).

💰Value Analysis

Approximated average price on current market:

GeForce RTX 4090:$1649(updated 2/6/2026)
Official Launch Price: $1599
Ryzen 9 5900X:$350(updated 2/6/2026)
Official Launch Price: $549

Combo price: $1999. At 1080p Ultra, this combo delivers 135 FPS, equivalent to 0.07 FPS per dollar.

ResolutionLowMediumHighUltra
1080p0.117 fps/$0.110 fps/$0.081 fps/$0.068 fps/$
1440p0.128 fps/$0.118 fps/$0.088 fps/$0.070 fps/$
4k0.100 fps/$0.087 fps/$0.061 fps/$0.048 fps/$

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

Performance Limiter Analysis

Ryzen 9 5900X|GeForce RTX 4090
📈Analysis

At 1440p high, the GeForce RTX 4090 sets the ceiling at about 133 FPS, while the Ryzen 9 5900X has headroom up to 168 FPS. In this scenario, the GPU limits the CPU potential by 21% (FPS gap: 35 FPS). Overall distribution: GPU limits 10/12 cells, CPU limits 0/12, balanced 2/12.

Verdict

GPU Limits CPU

Your GeForce RTX 4090 is the limiting side in the heaviest mismatch. This means part of the Ryzen 9 5900X frame-generation potential remains unused in those settings.

🧩Detailed Breakdown
1080p (Full HD)
LowGPU Limits CPU 8%
MediumGPU Limits CPU 14%
HighGPU Limits CPU 19%
UltraGPU Limits CPU 15%
1440p (2K QHD)
LowGPU Limits CPU 10%
MediumGPU Limits CPU 14%
HighGPU Limits CPU 21%
UltraGPU Limits CPU 17%
4K (Ultra HD)
LowBalanced
MediumBalanced
HighGPU Limits CPU 10%
UltraGPU Limits CPU 9%
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.

The displayed percentages are derived from FPS ceilings, not generic utilization heuristics.

📊Predicted Hardware Utilization for Ryzen 9 5900X and GeForce RTX 4090

1080p (Full HD)

Low
CPU33% - 61%
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GPU7% - 17%
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Medium
CPU33% - 61%
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GPU7% - 17%
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High
CPU33% - 61%
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GPU7% - 17%
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Ultra
CPU33% - 61%
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GPU7% - 17%
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1440p (2K QHD)

Low
CPU30% - 60%
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GPU5% - 16%
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Medium
CPU30% - 60%
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GPU5% - 16%
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High
CPU30% - 60%
<>
GPU5% - 16%
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Ultra
CPU30% - 60%
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GPU5% - 16%
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4K (Ultra HD)

Low
CPU30% - 59%
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GPU10% - 23%
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Medium
CPU30% - 59%
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GPU10% - 23%
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High
CPU30% - 59%
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GPU10% - 23%
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Ultra
CPU30% - 59%
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GPU10% - 23%
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Performance Summary

The Ryzen 9 5900X + GeForce RTX 4090 pairing runs this title with CPU utilization between 30% and 61% and GPU utilization between 5% and 23%. Ryzen 9 5900X keeps significant headroom across presets, while GeForce RTX 4090 is utilized efficiently without persistent saturation. As resolution scales, average GPU load rises from 12% at 1080p to 16% at 4K, while CPU averages move from 47% to 44%.

Bottleneck Analysis

The utilization pattern is relatively balanced. The GeForce RTX 4090 reaches 16% average at its highest-load preset, while the Ryzen 9 5900X peaks at 47% average, with no single component consistently acting as a hard bottleneck.

Resolution Scaling

At 1080p, averages sit around CPU 47% and GPU 12%. At 1440p, that shifts to CPU 45% and GPU 10%, and at 4K it reaches CPU 44% and GPU 16%. This shows that workload scaling is limited, which can indicate engine-side constraints.

Optimal Settings Recommendation

4K (Ultra HD) Low is the most balanced preset based on this dataset. It runs around CPU 44% (30-59%) and GPU 16% (10-23%), which keeps GeForce RTX 4090 well utilized without constant max-out behavior while Ryzen 9 5900X remains stable for consistent frame delivery.

Upgrade Insight

Current utilization does not show an urgent upgrade requirement for either component; the Ryzen 9 5900X and GeForce RTX 4090 remain reasonably matched for this title.

Understanding Hardware Utilization & Bottlenecks: These percentages represent how much of your component's maximum processing power is actively being used during gameplay. This is the key to identifying performance bottlenecks in any system.

  • The Ideal Scenario (GPU Bottleneck): You typically want to see High GPU Utilization (90%+) and moderate CPU usage. This indicates your system is successfully pushing out graphics as fast as it can, without being held back by the CPU.
  • CPU Bottleneck: If you see High CPU Utilization (85%+) paired with lower GPU utilization, the CPU is struggling to compute game logic and prepare frames fast enough. The GPU sits waiting, often resulting in stuttering, inconsistent frame times, and lower overall FPS.
  • Engine Limits or Capped FPS: 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.

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

Hearts of Iron IV 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 - Ryzen 9 5900X
cpu icon
38,955
Your Score
MinimumCore 2 Quad Q9400
RecommendedCore i5-750
GPU - GeForce RTX 4090
gpu icon
38,112
Your Score
MinimumGeForce GTX 470
RecommendedGeForce GTX 570

Your CPU is 1430% above and your GPU is 870% above the recommended specs. Ultra settings at 1080p, or High at 1440p/4K.

CPU

+1430%vsrecommended

GPU

+870%vsrecommended

CPU

+987%vsminimum

GPU

+1112%vsminimum

Minimum Requirements
Video Card: GeForce GTX 470
Memory: 4 GB
Disk Space: 2 GB
System: Windows 7 64-bit
Recommended Requirements
Video Card: GeForce GTX 570
Processor: Core i5-750
Memory: 4 GB
Disk Space: 2 GB
System: Windows 10 64-bit

Frequently Asked Questions

1Can the Ryzen 9 5900X and GeForce RTX 4090 run Hearts of Iron IV well?

Yes, the Ryzen 9 5900X paired with the GeForce RTX 4090 can run Hearts of Iron IV smoothly up to 4k achieving around 96 FPS at Ultra quality. Your GPU is 870% above the recommended specs, and your CPU is 1430% above the recommended requirements.

2Is there a more cost-effective setup to run Hearts of Iron IV?

This CPU + GPU combo costs approximately $1999 ($350 CPU (Rank #156 Value) + $1649 GPU (Rank #77 Value)). Your GeForce RTX 4090 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 card with a significantly better value rating.

3Which component should I upgrade first to improve Hearts of Iron IV performance?

Your GeForce RTX 4090 is already a top-tier graphics card. While it's technically the limiting factor here (which means you are fully utilizing your GPU's visual horsepower exactly as intended), there is no meaningful upgrade path that would drastically improve your Hearts of Iron IV performance right now. GPU fully utilized at: 1080p low, 1080p medium, 1080p high, 1080p ultra, 1440p low, 1440p medium, 1440p high, 1440p ultra, 4k high, 4k ultra.

4Does this setup support Frame Generation for Hearts of Iron IV?

Hearts of Iron IV 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 Hearts of Iron IV?

Hearts of Iron IV requires at minimum a Core 2 Quad Q9400 (CPU) and GeForce GTX 470 (GPU) with 4 GB RAM and 2 GB storage. For the recommended experience, you need a Core i5-750 and GeForce GTX 570 with 4 GB RAM. Your Ryzen 9 5900X and GeForce RTX 4090 both exceed the recommended specs, so you're well-positioned for a great experience.

6How accurate are these Hearts of Iron IV FPS estimates for the Ryzen 9 5900X and GeForce RTX 4090?

These Hearts of Iron IV 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.