GeForce GT 640 and GeForce GTX 1060 3 GB GP104 - video card comparison
GeForce GT 640
GeForce GTX 1060 3 GB GP104
Architecture
Kepler (2012−2018)
Pascal (2016−2021)
GPU code name
GK107
GP104
Market segment
Desktop
Desktop
Release date
June 2012
December 2016
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
None
1x 6-pin
Boost clock speed
-
1708 MHz
Core clock speed
902 MHz
1506 MHz
Floating-point performance
692.7 gflops
-
Manufacturing process technology
28 nm
16 nm
Number of transistors
1,270 million
7,200 million
Pipelines / CUDA cores
384
1152
Power consumption (TDP)
65 Watt
120 Watt
Texture fill rate
28.86
123.0
Memory type
DDR3
GDDR5
Maximum RAM amount
2 GB
3 GB
Memory bus width
128 Bit
192 Bit
Memory clock speed
1782 MHz
8008 MHz
Memory bandwidth
28.51 GB/s
192.2 GB/s
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
1x DVI, 1x HDMI, 3x DisplayPort
HDMI
+
+
DirectX
12 (11_0)
12 (12_1)
CUDA
3.0
6.1
OpenCL
1.2
1.2
OpenGL
4.6
4.6
Shader Model
5.1
6.4
Vulkan
1.1.126
1.2.131