Hearts of Iron IVFPS onXeon w5-3435X&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
low303 FPS
medium266 FPS
high200 FPS
ultra161 FPS
1440P
low287 FPS
medium251 FPS
high187 FPS
ultra135 FPS
4K
low232 FPS
medium186 FPS
high135 FPS
ultra99 FPS

Performance Report

Hearts of Iron IV

GeForce RTX 4090 + Xeon w5-3435X
🎮Visual Experience

At 1080p, all quality settings exceed 161 FPS, suitable for 144Hz+ monitors. At 1440p, all settings exceed 135 FPS. At 4K, all settings exceed 99 FPS.

Official Requirements

The GeForce RTX 4090 is 870% above the recommended GPU (GeForce GTX 570) for Hearts of Iron IV. The Xeon w5-3435X is 1671% above the recommended CPU (Core i5-750).

⚙️FPS Ceiling Analysis

The GeForce RTX 4090 sets the FPS ceiling at all 1080p settings, all 1440p settings, all 4k settings, while the Xeon w5-3435X still has additional frame-generation headroom.

💰Value Analysis

Approximated average price on current market:

GeForce RTX 4090:$1649(updated 2/6/2026)
Official Launch Price: $1599
Xeon w5-3435X:$163(updated 2/6/2026)
Official Launch Price: $1589

Combo price: $1812. At 1080p Ultra, this combo delivers 161 FPS, equivalent to 0.09 FPS per dollar.

ResolutionLowMediumHighUltra
1080p0.167 fps/$0.147 fps/$0.110 fps/$0.089 fps/$
1440p0.158 fps/$0.139 fps/$0.103 fps/$0.075 fps/$
4k0.128 fps/$0.103 fps/$0.075 fps/$0.055 fps/$

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

Performance Limiter Analysis

Xeon w5-3435X|GeForce RTX 4090

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

📈Analysis

At 1080p medium, the GeForce RTX 4090 sets the ceiling at about 117 FPS, while the Xeon w5-3435X has headroom up to 266 FPS. In this scenario, the GPU limits the CPU potential by 56% (FPS gap: 149 FPS). Overall distribution: GPU limits 12/12 cells, CPU limits 0/12, balanced 0/12.

Verdict

GPU Limits CPU

Your GeForce RTX 4090 is the limiting side in the heaviest mismatch. This means part of the Xeon w5-3435X frame-generation potential remains unused in those settings.

🧩Detailed Breakdown
1080p (Full HD)
LowGPU Limits CPU 55%
MediumGPU Limits CPU 56%
HighGPU Limits CPU 56%
UltraGPU Limits CPU 51%
1440p (2K QHD)
LowGPU Limits CPU 37%
MediumGPU Limits CPU 38%
HighGPU Limits CPU 41%
UltraGPU Limits CPU 34%
4K (Ultra HD)
LowGPU Limits CPU 13%
MediumGPU Limits CPU 16%
HighGPU Limits CPU 22%
UltraGPU Limits CPU 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.

📊Predicted Hardware Utilization for Xeon w5-3435X and GeForce RTX 4090

1080p (Full HD)

Low
CPU32% - 58%
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GPU3% - 12%
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Medium
CPU32% - 58%
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GPU3% - 12%
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High
CPU32% - 58%
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GPU3% - 12%
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Ultra
CPU32% - 58%
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GPU3% - 12%
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1440p (2K QHD)

Low
CPU29% - 58%
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GPU1% - 12%
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Medium
CPU29% - 58%
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GPU1% - 12%
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High
CPU29% - 58%
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GPU1% - 12%
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Ultra
CPU29% - 58%
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GPU1% - 12%
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4K (Ultra HD)

Low
CPU26% - 55%
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GPU9% - 22%
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Medium
CPU26% - 55%
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GPU9% - 22%
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High
CPU26% - 55%
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GPU9% - 22%
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Ultra
CPU26% - 55%
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GPU9% - 22%
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Performance Summary

The Xeon w5-3435X + GeForce RTX 4090 pairing runs this title with CPU utilization between 26% and 58% and GPU utilization between 1% and 22%. Xeon w5-3435X keeps significant headroom across presets, while GeForce RTX 4090 is utilized efficiently without persistent saturation. As resolution scales, average GPU load rises from 8% at 1080p to 16% at 4K, while CPU averages move from 45% to 40%.

Load Interpretation

Neither component is close to saturation: CPU tops out at 58% and GPU at 22%. This pattern suggests possible engine-side limits, an FPS cap, or workload constraints unrelated to raw hardware throughput. It also shows why low utilization does not automatically mean there is no FPS limiter.

Resolution Scaling

At 1080p, averages sit around CPU 45% and GPU 8%. At 1440p, that shifts to CPU 44% and GPU 6%, and at 4K it reaches CPU 40% and GPU 16%. This shows that workload scaling is present on both components, with stronger pressure on the GPU.

Optimal Settings Recommendation

4K (Ultra HD) Low is the most balanced preset based on this dataset. It runs around CPU 40% (26-55%) and GPU 16% (9-22%), which keeps GeForce RTX 4090 well utilized without constant max-out behavior while Xeon w5-3435X remains stable for consistent frame delivery.

Upgrade Insight

Current utilization does not show an urgent upgrade requirement for either component; the Xeon w5-3435X and GeForce RTX 4090 remain reasonably matched for this title.

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.

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 - Xeon w5-3435X
cpu icon
45,086
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 1671% above and your GPU is 870% above the recommended specs. Ultra settings at 1080p, or High at 1440p/4K.

CPU

+1671%vsrecommended

GPU

+870%vsrecommended

CPU

+1158%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 Xeon w5-3435X and GeForce RTX 4090 run Hearts of Iron IV well?

Yes, the Xeon w5-3435X paired with the GeForce RTX 4090 can run Hearts of Iron IV smoothly up to 4k achieving around 99 FPS at Ultra quality. Your GPU is 870% above the recommended specs, and your CPU is 1671% above the recommended requirements.

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

This CPU + GPU combo costs approximately $1812 ($163 CPU (Rank #313 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 low, 4k medium, 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 Xeon w5-3435X 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 Xeon w5-3435X 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.