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AMD logo Radeon HD 7990
versus
NVIDIA logo GeForce GT 645

AMD Radeon HD 7990 logo NVIDIA GeForce GT 645 logo
General information Radeon HD 7990 GeForce GT 645
Launched Q2 2013 Q4 2012
Used in Desktop Desktop
Factory AMD NVIDIA
Memory 3072 MB 0 %
Performance Radeon HD 7990 GeForce GT 645
Overall Score 37921 0 % 22765 40 %
Future Proof 26 % 0 % 23 % 11.5 %
Benchmark Score 14380 0 % 5183 64 %
2D Benchmark Score 765.2 0 % 441.7 42.3 %
Average DirectX performance 41.6 FPS 0 % 16.5 FPS 60.4 %
DirectX 9 performance 60.6 FPS 0 % 32.8 FPS 45.8 %
DirectX 10 performance 33.1 FPS 0 % 6 FPS 82 %
DirectX 11 performance 51.6 FPS 0 % 16.1 FPS 68.9 %
DirectX 12 performance 21.1 FPS 0 % 11.1 FPS 47.4 %
Graphic card computing 3478.4 operations/s 0 % 720.1 operations/s 79.3 %

Comparison of average FPS

Comparison of average FPS count by settings on resolution 1920 × 1080 (FHD (1080p)) for Radeon HD 7990, GeForce GT 645.

Average frames per second Radeon HD 7990 GeForce GT 645
Screen resolution: 1920 × 1080 pixels   Change
Ultra settings 81.0 FPS 41.8 FPS
High settings 145.9 FPS 75.2 FPS
Medium settings 175.0 FPS 90.2 FPS
Low settings 245.0 FPS 126.3 FPS
Difference 0 % 48.4 %

Grand Theft Auto V Frames per second

Comparison of FPS count by settings on resolution 1920 × 1080 (FHD (1080p)) in game Grand Theft Auto V for Radeon HD 7990, GeForce GT 645.

Grand Theft Auto V Radeon HD 7990 GeForce GT 645
Screen resolution: 1920 × 1080 pixels   Change
Ultra settings 62.8 FPS 36.8 FPS
High settings 113.0 FPS 66.3 FPS
Medium settings 135.6 FPS 79.5 FPS
Low settings 189.8 FPS 111.3 FPS
Difference 0 % 41.4 %
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