Radeon RX 580 and Radeon R9 280X2 - video card comparison
Radeon RX 580
Radeon R9 280X2
Architecture
Polaris (2016−2019)
GCN 1.0 (2012−2020)
GPU code name
Polaris 20
Tahiti
Market segment
Desktop
Desktop
Release date
April 2017
-
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
1x 8-pin
3x 8-pin
Boost clock speed
1340 MHz
1000 MHz
Core clock speed
1257 MHz
-
Floating-point performance
6,175 gflops
-
Manufacturing process technology
14 nm
28 nm
Number of transistors
5,700 million
4,313 million
Pipelines / CUDA cores
2304
2048
Power consumption (TDP)
185 Watt
375 Watt
Texture fill rate
193.0
128.0
Memory type
GDDR5
GDDR5
Maximum RAM amount
8 GB
3 GB
Memory bus width
256 Bit
384 Bit
Memory clock speed
8000 MHz
6 GB/s
Memory bandwidth
256.0 GB/s
288.0 GB/s
Display Connectors
1x HDMI, 3x DisplayPort
6x mini-DisplayPort 1.2
HDMI
+
-
DirectX
12 (12_0)
12 (11_1)
OpenCL
2.0
2.1 (1.2)
OpenGL
4.6
4.6
Shader Model
6.4
6.5 (5.1)
Vulkan
1.2.131
1.2.170