AMD Radeon RX 580 vs AMD Radeon R9 M280X
GPU · Specs Compare
Graphics Card
Release Date
Apr 2017
Feb 2015
Generation
Polaris
Gem System
Type
Desktop
Mobile
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1257 MHz
900 MHz
Boost Clock
1340 MHz
1000 MHz
Memory Clock
2000 MHz
1375 MHz
Memory
Memory Size
8GB
4GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
128bit
Bandwidth
256.0GB/s
88.00GB/s
Render Config
Compute Units
36
14
Shading Units
2304
896
TMUs
144
56
ROPs
32
16
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
2 MB
256 KB
Theoretical Performance
Pixel Rate
42.88 GPixel/s
16.00 GPixel/s
Texture Rate
193.0 GTexel/s
56.00 GTexel/s
FP16 (half)
6.175 TFLOPS
—
FP32 (float)
6.175 TFLOPS
1.792 TFLOPS
FP64 (double)
385.9 GFLOPS
112.0 GFLOPS
Graphics Processor
GPU Name
Polaris 20
Saturn
GPU Variant
Polaris 20 XTX(215-0910038)
Saturn XT(216-0843024)
Architecture
GCN 4.0
GCN 2.0
Foundry
GlobalFoundries
TSMC
Process Size
14 nm
28 nm
Transistors
5.7 billion
2.08 billion
Die Size
232 mm²
160 mm²
Board Design
TDP
185W
Unknown
Suggested PSU
450 W
—
Outputs
1x HDMI 2.0b3x DisplayPort 1.4a
Portable Device Dependent
Power Connectors
1x 8-pin
—
Graphics Features
DirectX
12 (12_0)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
2.1
2.1
Vulkan
1.3
1.2.170
Shader Model
6.7
6.5
▲ Specs Compare
Data sourced from official specifications and benchmark tests.