GeForce GT 640 and GRID K1 - video card comparison
Passmark - benchmark score GeForce GT 640 vs GRID K1
GeForce GT 640
1210
GRID K1
670
GeForce GT 640
GRID K1
Architecture
Kepler (2012−2018)
Kepler (2012−2018)
GPU code name
GK107
GK107
Market segment
Desktop
Workstation
Release date
June 2012
March 2013
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
None
1x 6-pin
Core clock speed
902 MHz
850 MHz
Floating-point performance
692.7 gflops
4x 326.4 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
1,270 million
1,270 million
Pipelines / CUDA cores
384
192
Power consumption (TDP)
65 Watt
130 Watt
Texture fill rate
28.86
13.60
Memory type
DDR3
DDR3
Maximum RAM amount
2 GB
4 GB
Memory bus width
128 Bit
128 Bit
Memory clock speed
1782 MHz
1782 MHz
Memory bandwidth
28.51 GB/s
28.51 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
1.2
OpenGL
4.6
4.6
Shader Model
5.1
5.1
Vulkan
1.1.126
1.1.126