Radeon R9 390 X2 and Radeon RX 570 - video card comparison
Radeon R9 390 X2
Radeon RX 570
Architecture
GCN 2.0 (2013−2017)
Polaris (2016−2019)
GPU code name
Grenada
Polaris 20 Ellesmere
Market segment
Desktop
Desktop
Release date
September 2015
April 2017
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
4x 8-pin
1x 6-pin
Boost clock speed
-
1244 MHz
Core clock speed
1000 MHz
1168 MHz
Floating-point performance
2x 5,120 gflops
5,095 gflops
Manufacturing process technology
28 nm
14 nm
Number of transistors
6,200 million
5,700 million
Pipelines / CUDA cores
2560
2048
Power consumption (TDP)
580 Watt
120 Watt
Texture fill rate
160.0
159.2
Memory type
GDDR5
GDDR5
Maximum RAM amount
8 GB
8 GB
Memory bus width
512 Bit
256 Bit
Memory clock speed
5400 MHz
7000 MHz
Memory bandwidth
345.6 GB/s
224.0 GB/s
Shared memory
-
-
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
1x DVI, 1x HDMI, 3x DisplayPort
HDMI
+
+
DirectX
12 (12_0)
12 (12_0)
OpenCL
2.0
2.0
OpenGL
4.6
4.6
Shader Model
6.3
6.4
Vulkan
1.2.131
+
FreeSync
-
+