GeForce GT 640 Rev. 2 and Tesla P40 - video card comparison
GeForce GT 640 Rev. 2
Tesla P40
Architecture
Kepler 2.0 (2013−2015)
Pascal (2016−2021)
GPU code name
GK208
GP102
Market segment
Desktop
Workstation
Release date
May 2013
September 2016
Interface
PCIe 2.0 x8
PCIe 3.0 x16
Supplementary power connectors
None
8-pin EPS
Boost clock speed
-
1531 MHz
Core clock speed
1046 MHz
1303 MHz
Floating-point performance
803.3 gflops
11,758 gflops
Manufacturing process technology
28 nm
16 nm
Number of transistors
915 million
11,800 million
Pipelines / CUDA cores
384
3840
Power consumption (TDP)
49 Watt
250 Watt
Texture fill rate
33.47
367.4
Memory type
GDDR5
GDDR5
Maximum RAM amount
1 GB
24 GB
Memory bus width
64 Bit
384 Bit
Memory clock speed
5008 MHz
7.2 GB/s
Memory bandwidth
40.06 GB/s
347.1 GB/s
Display Connectors
1x DVI, 1x HDMI, 1x VGA
No outputs
HDMI
+
-
DirectX
12 (11_0)
12 (12_1)
CUDA
3.5
6.1
OpenCL
1.2
3.0
OpenGL
4.6
4.6
Shader Model
5.1
6.7
Vulkan
1.1.126
1.3