Radeon HD 3450 and GeForce GTX 745 OEM - video card comparison
Radeon HD 3450
GeForce GTX 745 OEM
Architecture
TeraScale (2005−2013)
Maxwell (2014−2018)
GPU code name
RV620
GM107
Market segment
Desktop
Desktop
Release date
December 2007
February 2014
Interface
PCIe 2.0 x16
PCIe 3.0 x16
Supplementary power connectors
None
None
Core clock speed
600 MHz
1033 MHz
Floating-point performance
48 gflops
793.3 gflops
Manufacturing process technology
55 nm
28 nm
Number of transistors
181 million
1,870 million
Pipelines / CUDA cores
40
384
Power consumption (TDP)
25 Watt
55 Watt
Texture fill rate
2.400
24.79
Memory type
DDR2
DDR3
Maximum RAM amount
256 MB
4 GB
Memory bus width
64 Bit
128 Bit
Memory clock speed
1000 MHz
1800 MHz
Memory bandwidth
8 GB/s
28.8 GB/s
Display Connectors
1x DVI, 1x VGA, 1x S-Video
1x DVI, 1x HDMI, 1x VGA
HDMI
-
+
DirectX
10.1 (10_1)
12 (11_0)
CUDA
-
5.0
OpenCL
N/A
1.2
OpenGL
3.3
4.6
Shader Model
4.1
5.1
Vulkan
N/A
1.1.126