Radeon RX 580 and Radeon HD 5450 PCI - video card comparison
Radeon RX 580
Radeon HD 5450 PCI
Architecture
Polaris (2016−2019)
TeraScale 2 (2009−2015)
GPU code name
Polaris 20
Cedar
Market segment
Desktop
Desktop
Release date
April 2017
February 2010
Interface
PCIe 3.0 x16
PCI
Supplementary power connectors
1x 8-pin
None
Boost clock speed
1340 MHz
-
Core clock speed
1257 MHz
650 MHz
Floating-point performance
6,175 gflops
104 gflops
Manufacturing process technology
14 nm
40 nm
Number of transistors
5,700 million
292 million
Pipelines / CUDA cores
2304
80
Power consumption (TDP)
185 Watt
19 Watt
Texture fill rate
193.0
5.200
Memory type
GDDR5
DDR2
Maximum RAM amount
8 GB
512 MB
Memory bus width
256 Bit
64 Bit
Memory clock speed
8000 MHz
666 MHz
Memory bandwidth
256.0 GB/s
5.328 GB/s
Display Connectors
1x HDMI, 3x DisplayPort
1x DVI, 1x HDMI
HDMI
+
+
DirectX
12 (12_0)
11.2 (11_0)
OpenCL
2.0
1.2
OpenGL
4.6
4.4
Shader Model
6.4
5.0
Vulkan
1.2.131
N/A