GeForce GT 640 and GeForce 6700 XL - video card comparison
Passmark - benchmark score GeForce GT 640 vs GeForce 6700 XL
GeForce GT 640
1210
GeForce 6700 XL
98
GeForce GT 640
GeForce 6700 XL
Architecture
Kepler (2012−2018)
Curie (2003−2013)
GPU code name
GK107
NV43 A2
Market segment
Desktop
Desktop
Release date
June 2012
November 2004
Interface
PCIe 3.0 x16
PCIe 1.0 x16
Supplementary power connectors
None
1x 6-pin
Core clock speed
902 MHz
525 MHz
Floating-point performance
692.7 gflops
-
Manufacturing process technology
28 nm
110 nm
Number of transistors
1,270 million
146 million
Pipelines / CUDA cores
384
-
Power consumption (TDP)
65 Watt
-
Texture fill rate
28.86
4.200
Memory type
DDR3
GDDR3
Maximum RAM amount
2 GB
128 MB
Memory bus width
128 Bit
128 Bit
Memory clock speed
1782 MHz
1100 MHz
Memory bandwidth
28.51 GB/s
17.6 GB/s
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
1x DVI, 1x VGA
HDMI
+
-
DirectX
12 (11_0)
9.0c (9_3)
CUDA
3.0
-
OpenCL
1.2
N/A
OpenGL
4.6
2.1
Shader Model
5.1
3.0
Vulkan
1.1.126
N/A