GeForce GTX 645 OEM and P106M - video card comparison
GeForce GTX 645 OEM
P106M
Architecture
Kepler (2012−2018)
Pascal (2016−2021)
GPU code name
GK106
GP106
Market segment
Desktop
Laptop
Release date
April 2013
January 2019
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
None
None
Core clock speed
824 MHz
1291 MHz
Floating-point performance
949.2 gflops
-
Manufacturing process technology
28 nm
16 nm
Number of transistors
2,540 million
4,400 million
Pipelines / CUDA cores
576
1152
Power consumption (TDP)
65 Watt
75 Watt
Texture fill rate
39.55
92.95
Memory type
GDDR5
GDDR5
Maximum RAM amount
1 GB
4 GB
Memory bus width
128 Bit
128 Bit
Memory clock speed
4000 MHz
6 GB/s
Memory bandwidth
64 GB/s
96.13 GB/s
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
No outputs
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