GeForce 945A and Radeon 550X - video card comparison
Passmark - benchmark score GeForce 945A vs Radeon 550X
GeForce 945A
1908
Radeon 550X
1472
GeForce 945A
Radeon 550X
Architecture
Maxwell (2014−2018)
GCN 4.0 (2016−2020)
GPU code name
GM108
Lexa
Market segment
Desktop
Desktop
Release date
March 2015
March 2019
Interface
PCIe 3.0 x8
PCIe 3.0 x8
Supplementary power connectors
-
None
Boost clock speed
1189 MHz
1218 MHz
Core clock speed
1072 MHz
1082 MHz
Floating-point performance
903.2 gflops
-
Manufacturing process technology
28 nm
14 nm
Number of transistors
-
2,200 million
Pipelines / CUDA cores
384
512
Power consumption (TDP)
33 Watt
50 Watt
Texture fill rate
28.54
38.98
Memory type
GDDR5
GDDR5
Maximum RAM amount
1 GB
2 GB
Memory bus width
64 Bit
128 Bit
Memory clock speed
5012 MHz
7000 MHz
Memory bandwidth
40.1 GB/s
112.0 GB/s
Display Connectors
No outputs
1x DVI, 1x HDMI, 1x DisplayPort
HDMI
-
+
DirectX
12 (11_0)
12 (12_0)
CUDA
5.0
-
OpenCL
1.2
2.0
OpenGL
4.6
4.6
Shader Model
5.1
6.4
Vulkan
1.1.126
1.2.131