GeForce GT 705 OEM and GeForce GTX 645 OEM - video card comparison
GeForce GT 705 OEM
GeForce GTX 645 OEM
Architecture
Fermi 2.0 (2010−2014)
Kepler (2012−2018)
GPU code name
GF119
GK106
Market segment
Desktop
Desktop
Release date
March 2014
April 2013
Interface
PCIe 2.0 x16
PCIe 3.0 x16
Supplementary power connectors
-
None
Core clock speed
874 MHz
824 MHz
Floating-point performance
167.8 gflops
949.2 gflops
Manufacturing process technology
40 nm
28 nm
Number of transistors
292 million
2,540 million
Pipelines / CUDA cores
48
576
Power consumption (TDP)
29 Watt
65 Watt
Texture fill rate
6.992
39.55
Memory type
DDR3
GDDR5
Maximum RAM amount
1 GB
1 GB
Memory bus width
64 Bit
128 Bit
Memory clock speed
1650 MHz
4000 MHz
Memory bandwidth
13.2 GB/s
64 GB/s
Display Connectors
1x DVI, 1x HDMI, 1x VGA
1x DVI, 1x HDMI, 1x DisplayPort
HDMI
+
+
DirectX
12 (11_0)
12 (11_0)
CUDA
2.1
3.0
OpenCL
1.1
1.2
OpenGL
4.6
4.6
Shader Model
5.1
5.1
Vulkan
N/A
1.1.126