GeForce GT 640 OEM Rebrand and GMA - video card comparison
GeForce GT 640 OEM Rebrand
GMA
Architecture
Fermi 2.0 (2010−2014)
PowerVR SGX545 (2008−2010)
GPU code name
GF116
Cloverview
Market segment
Desktop
Desktop
Release date
April 2012
May 2010
Interface
PCIe 2.0 x16
PCIe 1.0 x16
Supplementary power connectors
None
-
Core clock speed
720 MHz
533 MHz
Floating-point performance
414.7 gflops
-
Manufacturing process technology
40 nm
32 nm
Number of transistors
1,170 million
-
Pipelines / CUDA cores
144
-
Power consumption (TDP)
75 Watt
-
Texture fill rate
17.28
1.066
Memory type
DDR3
System Shared
Maximum RAM amount
1536 MB
System Shared
Memory bus width
192 Bit
System Shared
Memory clock speed
1600 MHz
System Shared
Memory bandwidth
38.4 GB/s
-
Display Connectors
2x DVI, 1x mini-HDMI
No outputs
HDMI
+
-
DirectX
12 (11_0)
9.0c
CUDA
2.1
-
OpenCL
1.1
N/A
OpenGL
4.6
ES 2.0
Shader Model
5.1
3.0
Vulkan
N/A
N/A