
GeForce 945A and Radeon R7 450 OEM - video card comparison
GeForce 945A
Radeon R7 450 OEM
Architecture
Maxwell (2014−2018)
GCN 1.0 (2012−2020)
GPU code name
GM108
Cape Verde
Market segment
Desktop
Desktop
Release date
March 2015
June 2016
Interface
PCIe 3.0 x8
PCIe 3.0 x16
Supplementary power connectors
-
None
Boost clock speed
1189 MHz
-
Core clock speed
1072 MHz
925 MHz
Floating-point performance
903.2 gflops
947.2 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
-
1,500 million
Pipelines / CUDA cores
384
512
Power consumption (TDP)
33 Watt
65 Watt
Texture fill rate
28.54
29.60
Memory type
GDDR5
GDDR5
Maximum RAM amount
1 GB
2 GB
Memory bus width
64 Bit
128 Bit
Memory clock speed
5012 MHz
4.5 GB/s
Memory bandwidth
40.1 GB/s
72 GB/s
Display Connectors
No outputs
1x DVI, 1x HDMI 1.4a, 1x DisplayPort 1.2
HDMI
-
+
DirectX
12 (11_0)
12 (11_1)
CUDA
5.0
-
OpenCL
1.2
2.1 (1.2)
OpenGL
4.6
4.6
Shader Model
5.1
6.5 (5.1)
Vulkan
1.1.126
1.2.170