AMD FX-6300vsAMD Radeon R9 390
Bottleneck at 1440P
Gaming performance • Analyzed on June 19, 2026
AMD FX-6300
Processor
AMD Radeon R9 390
Graphics Card
Why This Bottleneck Occurs
At 1440p resolution for gaming, the AMD FX-6300 creates a significant bottleneck (39%) when paired with the AMD Radeon R9 390. The CPU cannot feed data to the GPU fast enough, meaning the AMD Radeon R9 390 is not being fully utilized. At 1440p, the workload is more balanced, but the CPU is still the limiting factor in this pairing.
Detailed Performance Analysis
This is a programmatic analysis of the AMD FX-6300 and AMD Radeon R9 390 at 1440P. Based on our benchmark scores, At 1440p resolution for gaming, the AMD FX-6300 creates a significant bottleneck (39%) when paired with the AMD Radeon R9 390. The CPU cannot feed data to the GPU fast enough, meaning the AMD Radeon R9 390 is not being fully utilized. At 1440p, the workload is more balanced, but the CPU is still the limiting factor in this pairing.
Upgrade Suggestions
Consider upgrading the AMD FX-6300 to a higher-tier processor to better match the AMD Radeon R9 390.
Ensure your CPU is not thermally throttling — check cooling solution and temps.
Enabling XMP/EXPO for your RAM can help improve CPU-bound scenarios.