GeForce GTX 645 OEM and XGI Volari 8600 XT - video card comparison
GeForce GTX 645 OEM
XGI Volari 8600 XT
Architecture
Kepler (2012−2018)
XG4 (2003−2005)
GPU code name
GK106
XG45
Market segment
Desktop
Desktop
Release date
April 2013
-
Interface
PCIe 3.0 x16
PCIe 1.0 x16
Supplementary power connectors
None
-
Core clock speed
824 MHz
450 MHz
Floating-point performance
949.2 gflops
-
Manufacturing process technology
28 nm
110 nm
Number of transistors
2,540 million
-
Pipelines / CUDA cores
576
-
Power consumption (TDP)
65 Watt
-
Texture fill rate
39.55
3.600
Memory type
GDDR5
GDDR3
Maximum RAM amount
1 GB
256 MB
Memory bus width
128 Bit
128 Bit
Memory clock speed
4000 MHz
900 MBps
Memory bandwidth
64 GB/s
14.4 GB/s
Display Connectors
1x DVI, 1x HDMI, 1x DisplayPort
1x DVI, 1x VGA, 1x S-Video
HDMI
+
-
DirectX
12 (11_0)
9.0c
CUDA
3.0
-
OpenCL
1.2
N/A
OpenGL
4.6
2.1
Shader Model
5.1
3.0
Vulkan
1.1.126
N/A