Radeon RX 570 and Radeon HD 5450 PCIe x1 - video card comparison
Radeon RX 570
Radeon HD 5450 PCIe x1
Architecture
Polaris (2016−2019)
TeraScale 2 (2009−2015)
GPU code name
Polaris 20 Ellesmere
Cedar
Market segment
Desktop
Desktop
Release date
April 2017
February 2010
Interface
PCIe 3.0 x16
PCIe 2.0 x1
Supplementary power connectors
1x 6-pin
-
Boost clock speed
1244 MHz
-
Core clock speed
1168 MHz
650 MHz
Floating-point performance
5,095 gflops
104 gflops
Manufacturing process technology
14 nm
40 nm
Number of transistors
5,700 million
292 million
Pipelines / CUDA cores
2048
80
Power consumption (TDP)
120 Watt
19 Watt
Texture fill rate
159.2
5.200
Memory type
GDDR5
DDR3
Maximum RAM amount
8 GB
512 MB
Memory bus width
256 Bit
64 Bit
Memory clock speed
7000 MHz
1000 MHz
Memory bandwidth
224.0 GB/s
8 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 3x DisplayPort
1x DVI, 1x HDMI, 1x VGA
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
+
N/A
FreeSync
+
-