Radeon R7 450 OEM and GeForce GTX 745 OEM - video card comparison
Radeon R7 450 OEM
GeForce GTX 745 OEM
Architecture
GCN 1.0 (2012−2020)
Maxwell (2014−2018)
GPU code name
Cape Verde
GM107
Market segment
Desktop
Desktop
Release date
June 2016
February 2014
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
None
None
Core clock speed
925 MHz
1033 MHz
Floating-point performance
947.2 gflops
793.3 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
1,500 million
1,870 million
Pipelines / CUDA cores
512
384
Power consumption (TDP)
65 Watt
55 Watt
Texture fill rate
29.60
24.79
Memory type
GDDR5
DDR3
Maximum RAM amount
2 GB
4 GB
Memory bus width
128 Bit
128 Bit
Memory clock speed
4.5 GB/s
1800 MHz
Memory bandwidth
72 GB/s
28.8 GB/s
Display Connectors
1x DVI, 1x HDMI 1.4a, 1x DisplayPort 1.2
1x DVI, 1x HDMI, 1x VGA
HDMI
+
+
DirectX
12 (11_1)
12 (11_0)
CUDA
-
5.0
OpenCL
2.1 (1.2)
1.2
OpenGL
4.6
4.6
Shader Model
6.5 (5.1)
5.1
Vulkan
1.2.170
1.1.126