AMD Radeon RX 560 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 x8
MXM-B (3.0)
Clock Speeds
Base Clock
1175 MHz
1000 MHz
Boost Clock
1275 MHz
1077 MHz
Memory Clock
1750 MHz
2000 MHz
Memory
Memory Size
4GB
8GB
Memory Type
GDDR5
GDDR5
Memory Bus
128bit
256bit
Bandwidth
112.0GB/s
256.0GB/s
Render Config
Compute Units
16
36
Shading Units
1024
2304
TMUs
64
144
ROPs
16
32
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
1024 KB
2 MB
Theoretical Performance
Pixel Rate
20.40 GPixel/s
34.46 GPixel/s
Texture Rate
81.60 GTexel/s
155.1 GTexel/s
FP16 (half)
2.611 TFLOPS
4.963 TFLOPS
FP32 (float)
2.611 TFLOPS
4.963 TFLOPS
FP64 (double)
163.2 GFLOPS
310.2 GFLOPS
Graphics Processor
GPU Name
Polaris 21
Polaris 20
GPU Variant
Polaris 21 XT(215-0908004)
Polaris 20M XT
Architecture
GCN 4.0
GCN 4.0
Foundry
GlobalFoundries
GlobalFoundries
Process Size
14 nm
14 nm
Transistors
3 billion
5.7 billion
Die Size
123 mm²
232 mm²
Board Design
TDP
75W
100W
Suggested PSU
250 W
-
Outputs
1x DVI1x HDMI 2.0b1x DisplayPort 1.4a
No outputs
Power Connectors
None
None
Graphics Features
DirectX
12 (12_0)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
2.1
2.1
Vulkan
1.2
1.2
Shader Model
6.4
6.4
📊 Benchmark
3DMark Time Spy
1,855
-
3DMark Time Spy Extreme
799
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