GeForce GTX 645 OEM and GK106 - video card comparison
GeForce GTX 645 OEM
GK106
Architecture
Kepler (2012−2018)
Kepler (2012−2018)
GPU code name
GK106
GK106
Market segment
Desktop
Desktop
Release date
April 2013
-
Interface
PCIe 3.0 x16
-
Supplementary power connectors
None
-
Core clock speed
824 MHz
-
Floating-point performance
949.2 gflops
-
Manufacturing process technology
28 nm
28 nm
Number of transistors
2,540 million
2,540 million
Pipelines / CUDA cores
576
960
Power consumption (TDP)
65 Watt
-
Texture fill rate
39.55
-
Memory type
GDDR5
-
Maximum RAM amount
1 GB
-
Memory bus width
128 Bit
-
Memory clock speed
4000 MHz
-
Memory bandwidth
64 GB/s
-
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
-
HDMI
+
-
DirectX
12 (11_0)
12 (11_0)
CUDA
3.0
3.0
OpenCL
1.2
3.0
OpenGL
4.6
4.6
Shader Model
5.1
6.5 (5.1)
Vulkan
1.1.126
1.2.175
NVENC
-
1st Gen
PureVideo HD
-
VP5