Feex·GPU
Comparison

AMD FireStream 9250 vs NVIDIA GeForce GT 640

In the PassMark G3D benchmark the AMD FireStream 9250 scores 1,165 against 1,162 for the NVIDIA GeForce GT 640, making it effectively tied with the NVIDIA GeForce GT 640.

The NVIDIA GeForce GT 640 carries more video memory (4 GB against 1 GB), which matters at higher resolutions and for larger workloads.

The NVIDIA GeForce GT 640 draws less board power (65 W against 150 W).

Measured as benchmark score per watt, the NVIDIA GeForce GT 640 is the more efficient of the two (17.9 against 7.8 points per watt).

Comparing 8 specifications that differ between these two cards. Coverage: 7/10 recorded for the AMD FireStream 9250, 9/10 for the NVIDIA GeForce GT 640. Fields neither card records are omitted; fields only one records are shown as "Not recorded".

Specifications compared

AMD FireStream 9250 NVIDIA GeForce GT 640
Shading unitsNot recorded384
Base clockNot recorded902 MHz
Memory size1 GB4 GB
Memory typeGDDR3DDR3
Memory bus widthNot recorded128-bit
Memory bandwidth63.6 GB/s28.5 GB/s
Board power150 W65 W
Process node55 nm28 nm
ArchitectureTeraScale 1Kepler
Launch date2008-06-162012-04-24
PassMark G3D1,1651,162