Radeon RX 570 and Radeon R9 255 OEM - video card comparison
Radeon RX 570
Radeon R9 255 OEM
Architecture
Polaris (2016−2019)
GCN 1.0 (2012−2020)
GPU code name
Polaris 20 Ellesmere
Cape Verde
Market segment
Desktop
Desktop
Release date
April 2017
December 2013
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
1x 6-pin
1x 6-pin
Boost clock speed
1244 MHz
930 MHz
Core clock speed
1168 MHz
900 MHz
Floating-point performance
5,095 gflops
952.3 gflops
Manufacturing process technology
14 nm
28 nm
Number of transistors
5,700 million
1,500 million
Pipelines / CUDA cores
2048
512
Power consumption (TDP)
120 Watt
65 Watt
Texture fill rate
159.2
29.76
Memory type
GDDR5
GDDR5
Maximum RAM amount
8 GB
2 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
7000 MHz
4600 MHz
Memory bandwidth
224.0 GB/s
73.6 GB/s
Shared memory
-
-
Display Connectors
1x DVI, 1x HDMI, 3x DisplayPort
No outputs
HDMI
+
-
DirectX
12 (12_0)
12 (11_1)
OpenCL
2.0
1.2
OpenGL
4.6
4.6
Shader Model
6.4
5.1
Vulkan
+
1.2.131
FreeSync
+
-