GeForce GT 640 and HD Graphics - video card comparison
Passmark - benchmark score GeForce GT 640 vs HD Graphics
GeForce GT 640
1209
HD Graphics
147
GeForce GT 640
HD Graphics
Architecture
Kepler (2012−2018)
Generation 7.0 (2012)
GPU code name
GK107
Ivy Bridge GT1
Market segment
Desktop
Desktop
Release date
June 2012
April 2012
Interface
PCIe 3.0 x16
PCIe 1.0 x16
Supplementary power connectors
None
-
Boost clock speed
-
1050 MHz
Core clock speed
902 MHz
166 MHz
Floating-point performance
692.7 gflops
15.6 gflops
Manufacturing process technology
28 nm
22 nm
Number of transistors
1,270 million
392 million
Pipelines / CUDA cores
384
48
Power consumption (TDP)
65 Watt
35 Watt
Texture fill rate
28.86
6.300
Memory type
DDR3
System Shared
Maximum RAM amount
2 GB
System Shared
Memory bus width
128 Bit
System Shared
Memory clock speed
1782 MHz
System Shared
Memory bandwidth
28.51 GB/s
-
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
No outputs
HDMI
+
-
DirectX
12 (11_0)
11.1 (11_0)
CUDA
3.0
-
OpenCL
1.2
1.2
OpenGL
4.6
4.0
Shader Model
5.1
5.0
Vulkan
1.1.126
1.1.80