AMD Radeon RX 580 vs AMD Radeon RX 580X Mobile
GPU Specs Compare
Graphics Card
Release Date
Apr 2017
Apr 2018
Generation
Polaris
Mobility Radeon
Type
Desktop
Mobile
Bus Interface
PCIe 3.0 x16
MXM-B (3.0)
Clock Speeds
Base Clock
1257 MHz
1000 MHz
Boost Clock
1340 MHz
1077 MHz
Memory Clock
2000 MHz
2000 MHz
Memory
Memory Size
8GB
8GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
256bit
Bandwidth
256.0GB/s
256.0GB/s
Render Config
Compute Units
36
36
Shading Units
2304
2304
TMUs
144
144
ROPs
32
32
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
2 MB
2 MB
Theoretical Performance
Pixel Rate
42.88 GPixel/s
34.46 GPixel/s
Texture Rate
193.0 GTexel/s
155.1 GTexel/s
FP16 (half)
6.175 TFLOPS
4.963 TFLOPS
FP32 (float)
6.175 TFLOPS
4.963 TFLOPS
FP64 (double)
385.9 GFLOPS
310.2 GFLOPS
Graphics Processor
GPU Name
Polaris 20
Polaris 20
GPU Variant
Polaris 20 XTX(215-0910038)
Polaris 20M XT
Architecture
GCN 4.0
GCN 4.0
Foundry
GlobalFoundries
GlobalFoundries
Process Size
14 nm
14 nm
Transistors
5.7 billion
5.7 billion
Die Size
232 mm²
232 mm²
Board Design
TDP
185W
100W
Suggested PSU
450 W
-
Outputs
1x HDMI 2.0b3x DisplayPort 1.4a
No outputs
Power Connectors
1x 8-pin
None
Graphics Features
DirectX
12 (12_0)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
2.1
2.1
Vulkan
1.3
1.2
Shader Model
6.7
6.4