TerrariaFPS onCore i9-13900K&GeForce RTX 4090

Terraria

A classic 2D sandbox. While generally light, heavy boss fights and fluid physics can slow down older CPUs. It requires Shader Model 2.0 support.

This game has a built-in FPS cap of 60 FPS

Terraria - FPS Estimates by Resolution

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

1080P
low60 FPS
medium60 FPS
high59 FPS
ultra58 FPS
1440P
low60 FPS
medium60 FPS
high60 FPS
ultra60 FPS
4K
low60 FPS
medium60 FPS
high60 FPS
ultra60 FPS

Performance Report

Terraria

GeForce RTX 4090 + Core i9-13900K
🎮Visual Experience

At 1080p, frame rates range from 58 to 60 FPS depending on quality settings. At 1440p, all settings exceed 61 FPS. At 4K, all settings exceed 60 FPS.

Official Requirements

The GeForce RTX 4090 is 6804% above the recommended GPU (GeForce 9600 GT) for Terraria. The Core i9-13900K is 2564% above the recommended CPU (Core 2 Duo).

AI Acceleration

Terraria supports: AFMF. This game does not have native DLSS 3 or FSR 3 Frame Generation support. AFMF is AMD-exclusive and not compatible with GeForce RTX 4090.

⚙️FPS Ceiling Analysis

The Core i9-13900K sets the FPS ceiling at 1080p ultra, while the GeForce RTX 4090 still has headroom. The FPS ceiling is closely matched at 1080p (low/medium/high), all 1440p settings, all 4k settings.

💰Value Analysis

Approximated average price on current market:

GeForce RTX 4090:$1649(updated 2/6/2026)
Official Launch Price: $1599
Core i9-13900K:$500(updated 2/6/2026)
Official Launch Price: $599

Combo price: $2149. At 1080p Ultra, this combo delivers 58 FPS, equivalent to 0.03 FPS per dollar.

ResolutionLowMediumHighUltra
1080p0.028 fps/$0.028 fps/$0.027 fps/$0.027 fps/$
1440p0.028 fps/$0.028 fps/$0.028 fps/$0.028 fps/$
4k0.028 fps/$0.028 fps/$0.028 fps/$0.028 fps/$

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

Performance Limiter Analysis

Core i9-13900K|GeForce RTX 4090

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

📈Analysis

At 1080p ultra, the Core i9-13900K sets the ceiling at about 65 FPS, while the GeForce RTX 4090 could reach 74 FPS. In this scenario, the CPU limits the GPU potential by 12% (FPS gap: 9 FPS). Overall distribution: CPU limits 1/12 cells, GPU limits 0/12, balanced 11/12.

Verdict

Well Balanced

The Core i9-13900K and GeForce RTX 4090 stay close in effective frame-generation ceiling across most presets, so neither side consistently suppresses the other by a large margin.

🧩Detailed Breakdown
1080p (Full HD)
LowBalanced
MediumBalanced
HighBalanced
UltraCPU Limits GPU 12%
1440p (2K QHD)
LowBalanced
MediumBalanced
HighBalanced
UltraBalanced
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.

A component can still be the FPS limiter without reaching 100% utilization. The displayed percentages are derived from FPS ceilings, not generic utilization heuristics.

Terraria 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 i9-13900K
cpu icon
58,373
Your Score
MinimumPentium 4
RecommendedCore 2 Duo
GPU - GeForce RTX 4090
gpu icon
38,112
Your Score
MinimumGeForce FX 5900
RecommendedGeForce 9600 GT

Your CPU is 2564% above and your GPU is 6804% above the recommended specs. Ultra settings at 1080p, or High at 1440p/4K.

CPU

+2564%vsrecommended

GPU

+6804%vsrecommended

CPU

+1846%vsminimum

GPU

+2422%vsminimum

Minimum Requirements
Video Card: GeForce FX 5900
Processor: Pentium 4
Memory: 2.5 GB
Disk Space: 200 MB
System: Windows 7
Recommended Requirements
Video Card: GeForce 9600 GT
Processor: Core 2 Duo
Memory: 4 GB
Disk Space: 200 MB
System: Windows 10

Frequently Asked Questions

1Can the Core i9-13900K and GeForce RTX 4090 run Terraria well?

Yes, the Core i9-13900K paired with the GeForce RTX 4090 can run Terraria smoothly up to 4k achieving around 60 FPS at Ultra quality. Your GPU is 6804% above the recommended specs, and your CPU is 2564% above the recommended requirements.

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

This CPU + GPU combo costs approximately $2149 ($500 CPU (Rank #141 Value) + $1649 GPU (Rank #77 Value)). Your Core i9-13900K 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 processor with a significantly better value rating. For example, the Ryzen Threadripper 7970X is a great upgrade option for around $2499 (Rank #354 for value).

3Which component should I upgrade first to improve Terraria performance?

Your Core i9-13900K is already an incredibly powerful processor. While it's technically the first component to hit its limit (which is completely normal in state-of-the-art builds), there is no meaningful upgrade path that would drastically improve your Terraria performance right now. CPU fully utilized at: 1080p ultra.

4Does this setup support Frame Generation for Terraria?

Terraria currently only supports AFMF (AMD Fluid Motion Frames) for frame generation, which is an AMD-exclusive technology. Because you are using an NVIDIA GPU, you cannot use Frame Generation for this specific game.

5What are the minimum and recommended specs for Terraria?

Terraria requires at minimum a Pentium 4 (CPU) and GeForce FX 5900 (GPU) with 2.5 GB RAM and 200 MB storage. For the recommended experience, you need a Core 2 Duo and GeForce 9600 GT with 4 GB RAM. Your Core i9-13900K and GeForce RTX 4090 both exceed the recommended specs, so you're well-positioned for a great experience.

6How accurate are these Terraria FPS estimates for the Core i9-13900K and GeForce RTX 4090?

These Terraria 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.