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Videocard Benchmarks

Over 800,000 Video Cards Benchmarked

Radeon HD 7660D vs GeForce GT 640

The values for the video cards below are determined from thousands of PerformanceTest benchmark results and are updated daily.

  • The first section will show basic information for each Video Card selected.
  • The first graph shows the G3D Mark values of each Videocard selected.
  • The second graph, if price data is available, will shows the value for money, in terms of the G3DMark per dollar.
×Radeon HD 7660D×GeForce GT 640+ ADD
PriceSearch Online$109.991
Bus InterfaceUNB/MCPCIe 3.0 x16
GPU ClassDesktopDesktop
Core Clock760,800 MHz900 MHz
Memory ClockNA2891 MHz
Maximum Memory SupportedNA24096 MB
DirectX11.011.0
OpenGL4.44.5
Max TDP100W65W
First Seen on ChartQ2 2012Q4 2011
# of Samples16394639
Average Results (% diff. to max in group)
DirectX 914 FPS (-43.4%)24 FPS
DirectX 102 FPS (-49.5%)4 FPS
DirectX 115 FPS (-46.9%)10 FPS
DirectX 12NA5 FPS
GPU Compute328 Ops/Sec (-47.2%)622 Ops/Sec
G2D Rating178 (-39.0%)292
G3D Rating504
(-57.2%)
1179
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.
2 - Information not available. Do you know? Notify Us.
G3D Mark Rating
As of 28th of March 2024 - Higher results represent better performance
GeForce GT 640
1,179
Radeon HD 7660D
504
Value (G3D Mark / $Price)
As of 28th of March 2024 - Higher results represent better value
GeForce GT 640
10.72
Radeon HD 7660D
NA