AMD Radeon RX 580 Mobile vs AMD Radeon R9 M470X
GPU · Specs Compare
Graphics Card
Release Date
Apr 2017
May 2016
Generation
Mobility Radeon
Gem System
Type
Mobile
Mobile
Bus Interface
MXM-B (3.0)
PCIe 3.0 x16
Clock Speeds
Base Clock
1000 MHz
1000 MHz
Boost Clock
1077 MHz
1100 MHz
Memory Clock
2000 MHz
1200 MHz
Memory
Memory Size
8GB
4GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
128bit
Bandwidth
256.0GB/s
76.80GB/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
34.46 GPixel/s
17.60 GPixel/s
Texture Rate
155.1 GTexel/s
61.60 GTexel/s
FP16 (half)
4.963 TFLOPS
—
FP32 (float)
4.963 TFLOPS
1.971 TFLOPS
FP64 (double)
310.2 GFLOPS
123.2 GFLOPS
Graphics Processor
GPU Name
Polaris 20
Emerald
GPU Variant
Polaris 20M XT
Emerald XT
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
100W
Unknown
Outputs
No outputs
Portable Device Dependent
Power Connectors
None
—
Graphics Features
DirectX
12 (12_0)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
2.1
2.1
Vulkan
1.2
1.2.170
Shader Model
6.4
6.5
Benchmark
3DMark Time Spy
3,553
—
3DMark Time Spy Extreme
1,626
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.