GeForce GT 640 and GeForce GTX 750 Ti OEM - video card comparison
GeForce GT 640
GeForce GTX 750 Ti OEM
Architecture
Kepler (2012−2018)
Kepler (2012−2018)
GPU code name
GK107
GK106
Market segment
Desktop
Desktop
Release date
June 2012
-
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
None
None
Boost clock speed
-
1098 MHz
Core clock speed
902 MHz
1033 MHz
Floating-point performance
692.7 gflops
-
Manufacturing process technology
28 nm
28 nm
Number of transistors
1,270 million
2,540 million
Pipelines / CUDA cores
384
960
Power consumption (TDP)
65 Watt
150 Watt
Texture fill rate
28.86
87.84
Memory type
DDR3
GDDR5
Maximum RAM amount
2 GB
2 GB
Memory bus width
128 Bit
256 Bit
Memory clock speed
1782 MHz
6 GB/s
Memory bandwidth
28.51 GB/s
192.3 GB/s
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
No outputs
HDMI
+
-
DirectX
12 (11_0)
12 (11_0)
CUDA
3.0
3.0
OpenCL
1.2
3.0
OpenGL
4.6
4.6
Shader Model
5.1
6.5 (5.1)
Vulkan
1.1.126
1.2.175