Hearts of Iron IVFPS onRyzen 7 3800X&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
low246 FPS
medium215 FPS
high155 FPS
ultra124 FPS
1440P
low253 FPS
medium217 FPS
high156 FPS
ultra120 FPS
4K
low188 FPS
medium152 FPS
high104 FPS
ultra80 FPS

Performance Report

Hearts of Iron IV

GeForce RTX 4090 + Ryzen 7 3800X
🎮Visual Experience

At 1080p, all quality settings exceed 124 FPS. At 1440p, all settings exceed 120 FPS. At 4K, all settings exceed 80 FPS.

Official Requirements

The GeForce RTX 4090 is 870% above the recommended GPU (GeForce GTX 570) for Hearts of Iron IV. The Ryzen 7 3800X is 804% above the recommended CPU (Core i5-750).

⚙️Bottleneck Analysis

The GeForce RTX 4090 determines the performance ceiling at all 1080p settings, all 1440p settings, executing at maximum capacity. The system is well balanced at all 4k settings.

💰Value Analysis

Approximated average price on current market:

GeForce RTX 4090:$1649(updated 2/6/2026)
Official Launch Price: $1599
Ryzen 7 3800X:$140(updated 2/6/2026)
Official Launch Price: $399

Combo price: $1789. At 1080p Ultra, this combo delivers 124 FPS, equivalent to 0.07 FPS per dollar.

ResolutionLowMediumHighUltra
1080p0.138 fps/$0.120 fps/$0.087 fps/$0.069 fps/$
1440p0.141 fps/$0.121 fps/$0.087 fps/$0.067 fps/$
4k0.105 fps/$0.085 fps/$0.058 fps/$0.045 fps/$

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

Performance Limiter Analysis

Ryzen 7 3800X|GeForce RTX 4090
📈Analysis

At 1080p high, the GeForce RTX 4090 sets the ceiling at about 121 FPS, while the Ryzen 7 3800X has headroom up to 145 FPS. In this scenario, the GPU limits the CPU potential by 17% (FPS gap: 24 FPS). Overall distribution: GPU limits 8/12 cells, CPU limits 0/12, balanced 4/12.

Verdict

GPU Limits CPU

Your GeForce RTX 4090 is the limiting side in the heaviest mismatch. This means part of the Ryzen 7 3800X frame-generation potential remains unused in those settings.

🧩Detailed Breakdown
1080p (Full HD)
LowGPU Limits CPU 14%
MediumGPU Limits CPU 14%
HighGPU Limits CPU 17%
UltraGPU Limits CPU 9%
1440p (2K QHD)
LowGPU Limits CPU 15%
MediumGPU Limits CPU 13%
HighGPU Limits CPU 17%
UltraGPU Limits CPU 11%
4K (Ultra HD)
LowBalanced
MediumBalanced
HighBalanced
UltraBalanced
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.

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 7 3800X
cpu icon
23,008
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 804% above and your GPU is 870% above the recommended specs. Ultra settings at 1080p, or High at 1440p/4K.

CPU

+804%vsrecommended

GPU

+870%vsrecommended

CPU

+542%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 7 3800X and GeForce RTX 4090 run Hearts of Iron IV well?

Yes, the Ryzen 7 3800X paired with the GeForce RTX 4090 can run Hearts of Iron IV smoothly up to 4k achieving around 80 FPS at Ultra quality. Your GPU is 870% above the recommended specs, and your CPU is 804% above the recommended requirements.

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

This CPU + GPU combo costs approximately $1789 ($140 CPU (Rank #36 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.

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 7 3800X 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 7 3800X 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.