Radeon HD 6390 and Radeon RX 570X - video card comparison
Radeon HD 6390
Radeon RX 570X
Architecture
TeraScale 2 (2009−2015)
GCN 4.0 (2016−2020)
GPU code name
Redwood
Polaris 20
Market segment
Desktop
Desktop
Release date
July 2011
April 2018
Interface
PCIe 2.0 x16
PCIe 3.0 x16
Supplementary power connectors
None
1x 6-pin
Boost clock speed
-
1244 MHz
Core clock speed
550 MHz
1168 MHz
Floating-point performance
352.0 gflops
5,095 gflops
Manufacturing process technology
40 nm
14 nm
Number of transistors
627 million
5,700 million
Pipelines / CUDA cores
320
2048
Power consumption (TDP)
39 Watt
120 Watt
Texture fill rate
8.800
159.2
Memory type
DDR2
GDDR5
Maximum RAM amount
1 GB
8 GB
Memory bus width
128 Bit
256 Bit
Memory clock speed
1000 MHz
7000 MHz
Memory bandwidth
16 GB/s
224.0 GB/s
Display Connectors
1x DVI, 1x HDMI, 1x VGA
1x DVI, 1x HDMI, 3x DisplayPort
HDMI
+
+
DirectX
11.2 (11_0)
12 (12_0)
OpenCL
1.2
2.0
OpenGL
4.4
4.6
Shader Model
5.0
6.4
Vulkan
N/A
1.2.131