GeForce GT 640 OEM Rebrand and P106-100 - video card comparison
GeForce GT 640 OEM Rebrand
P106-100
Architecture
Fermi 2.0 (2010−2014)
Pascal (2016−2021)
GPU code name
GF116
GP106
Market segment
Desktop
Desktop
Release date
April 2012
June 2017
Interface
PCIe 2.0 x16
PCIe 3.0 x16
Supplementary power connectors
None
1x 6-pin
Boost clock speed
-
1709 MHz
Core clock speed
720 MHz
1506 MHz
Floating-point performance
414.7 gflops
4,375 gflops
Manufacturing process technology
40 nm
16 nm
Number of transistors
1,170 million
4,400 million
Pipelines / CUDA cores
144
1280
Power consumption (TDP)
75 Watt
120 Watt
Texture fill rate
17.28
136.7
Memory type
DDR3
GDDR5
Maximum RAM amount
1536 MB
6 GB
Memory bus width
192 Bit
192 Bit
Memory clock speed
1600 MHz
8008 MHz
Memory bandwidth
38.4 GB/s
192.2 GB/s
Display Connectors
2x DVI, 1x mini-HDMI
No outputs
HDMI
+
-
DirectX
12 (11_0)
12 (12_1)
CUDA
2.1
6.1
OpenCL
1.1
1.2
OpenGL
4.6
4.6
Shader Model
5.1
6.4
Vulkan
N/A
1.2.131