Bottleneck Analysis

AMD Ryzen 7 3800XvsAMD Radeon R9 390X
Bottleneck at 4K

Gaming performance • Analyzed on June 19, 2026

2%Excellent
CPU Bottleneck
AMD Ryzen 7 3800X
AMD Radeon R9 390X
Resolution
4K
Purpose
Gaming

AMD Ryzen 7 3800X

Processor

AMD Radeon R9 390X

Graphics Card

Why This Bottleneck Occurs

At 4k resolution for gaming, the AMD Ryzen 7 3800X creates a minimal bottleneck (2%) when paired with the AMD Radeon R9 390X. The CPU cannot feed data to the GPU fast enough, meaning the AMD Radeon R9 390X is not being fully utilized. While 4K reduces CPU dependency, the performance gap between these components still causes a noticeable imbalance.

Detailed Performance Analysis

This is a programmatic analysis of the AMD Ryzen 7 3800X and AMD Radeon R9 390X at 4K. Based on our benchmark scores, At 4k resolution for gaming, the AMD Ryzen 7 3800X creates a minimal bottleneck (2%) when paired with the AMD Radeon R9 390X. The CPU cannot feed data to the GPU fast enough, meaning the AMD Radeon R9 390X is not being fully utilized. While 4K reduces CPU dependency, the performance gap between these components still causes a noticeable imbalance.

Upgrade Suggestions

This is an excellent, well-balanced build. No urgent upgrades needed.

Both the AMD Ryzen 7 3800X and AMD Radeon R9 390X complement each other well at 4k.

Compare Another Setup

Other Resolutions

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