GeForce GT 630 and GeForce GT 645 OEM - video card comparison
GeForce GT 630
GeForce GT 645 OEM
Architecture
Fermi (2010−2014)
Fermi 2.0 (2010−2014)
GPU code name
GF108
GF114
Market segment
Desktop
Desktop
Release date
May 2012
April 2012
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
None
-
Core clock speed
810 MHz
776 MHz
Floating-point performance
311.0 gflops
894.0 gflops
Manufacturing process technology
40 nm
40 nm
Number of transistors
585 million
1,950 million
Pipelines / CUDA cores
96
288
Power consumption (TDP)
65 Watt
102 Watt
Texture fill rate
12.96
37.25
Memory type
DDR3
GDDR5
Maximum RAM amount
2 GB
1 GB
Memory bus width
128 Bit
192 Bit
Memory clock speed
1800 MHz
3828 MHz
Memory bandwidth
28.8 GB/s
91.87 GB/s
Display Connectors
1x DVI, 1x HDMI, 1x VGA
2x DVI, 1x mini-HDMI
HDMI
+
+
DirectX
12 (11_0)
12 (11_0)
CUDA
2.1
2.1
OpenCL
1.1
1.1
OpenGL
4.6
4.6
Shader Model
5.1
5.1
Vulkan
N/A
N/A