AMD FX-6300vsAMD Mobility Radeon HD 3870 X2 (Mobile) 2 MB
Bottleneck at 1440P
Gaming performance • Analyzed on July 31, 2026
AMD FX-6300
Processor
AMD Mobility Radeon HD 3870 X2 (Mobile) 2 MB
Graphics Card
Why This Bottleneck Occurs
At 1440p resolution for gaming, the AMD FX-6300 creates a significant bottleneck (26%) when paired with the AMD Mobility Radeon HD 3870 X2 (Mobile) 2 MB. The CPU cannot feed data to the GPU fast enough, meaning the AMD Mobility Radeon HD 3870 X2 (Mobile) 2 MB 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 Mobility Radeon HD 3870 X2 (Mobile) 2 MB at 1440P. Based on our benchmark scores, At 1440p resolution for gaming, the AMD FX-6300 creates a significant bottleneck (26%) when paired with the AMD Mobility Radeon HD 3870 X2 (Mobile) 2 MB. The CPU cannot feed data to the GPU fast enough, meaning the AMD Mobility Radeon HD 3870 X2 (Mobile) 2 MB 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 Mobility Radeon HD 3870 X2 (Mobile) 2 MB.
Ensure your CPU is not thermally throttling — check cooling solution and temps.
Enabling XMP/EXPO for your RAM can help improve CPU-bound scenarios.
Other Resolutions
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