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AMD logo Radeon HD 7990
versus
AMD logo Radeon RX 640

AMD Radeon HD 7990 logo AMD Radeon RX 640 logo
General information Radeon HD 7990 Radeon RX 640
Launched Q2 2013 Q1 2020
Used in Desktop Desktop
Factory AMD AMD
Memory 3072 MB 25 % 4096 MB 0 %
Core Clock 950 MHz 12.2 % 1082 MHz 0 %
DirectX DirectX 11.2 DirectX 12
OpenGL OpenGL 4.4 OpenGL 4.6
Thermal Design Power (TDP) 375 W 0 % 50 W 86.7 %
Performance Radeon HD 7990 Radeon RX 640
Overall Score 37921 0 % 22468 40.8 %
Future Proof 26 % 63.4 % 71 % 0 %
Benchmark Score 14380 0 % 5048 64.9 %
2D Benchmark Score 765.2 0 % 340.7 55.5 %
Average DirectX performance 41.6 FPS 0 % 17 FPS 59.2 %
DirectX 9 performance 60.6 FPS 0 % 35.8 FPS 40.9 %
DirectX 10 performance 33.1 FPS 0 % 6.9 FPS 79.1 %
DirectX 11 performance 51.6 FPS 0 % 14.1 FPS 72.6 %
DirectX 12 performance 21.1 FPS 0 % 11.1 FPS 47.4 %
Graphic card computing 3478.4 operations/s 0 % 847.7 operations/s 75.6 %

Comparison of average FPS

Comparison of average FPS count by settings on resolution 1920 × 1080 (FHD (1080p)) for Radeon HD 7990, Radeon RX 640.

Average frames per second Radeon HD 7990 Radeon RX 640
Screen resolution: 1920 × 1080 pixels   Change
Ultra settings 81.0 FPS 41.0 FPS
High settings 145.9 FPS 73.8 FPS
Medium settings 175.0 FPS 88.6 FPS
Low settings 245.0 FPS 124.0 FPS
Difference 0 % 49.4 %

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, Radeon RX 640.

Grand Theft Auto V Radeon HD 7990 Radeon RX 640
Screen resolution: 1920 × 1080 pixels   Change
Ultra settings 62.8 FPS 36.3 FPS
High settings 113.0 FPS 65.3 FPS
Medium settings 135.6 FPS 78.4 FPS
Low settings 189.8 FPS 109.8 FPS
Difference 0 % 42.2 %
Configuration Settings
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