AMD Radeon RX 580 Mobile vs AMD Radeon E8950
GPU · Specs Compare
Graphics Card
Release Date
Apr 2017
Sep 2015
Generation
Mobility Radeon
Embedded
Type
Mobile
Mobile
Bus Interface
MXM-B (3.0)
MXM-B (3.0)
Clock Speeds
Base Clock
1000 MHz
735 MHz
Boost Clock
1077 MHz
1000 MHz
Memory Clock
2000 MHz
1500 MHz
Memory
Memory Size
8GB
8GB
Memory Type
GDDR5
GDDR5
Memory Bus
256bit
256bit
Bandwidth
256.0GB/s
192.0GB/s
Render Config
Compute Units
36
32
Shading Units
2304
2048
TMUs
144
128
ROPs
32
32
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
2 MB
512 KB
Theoretical Performance
Pixel Rate
34.46 GPixel/s
32.00 GPixel/s
Texture Rate
155.1 GTexel/s
128.0 GTexel/s
FP16 (half)
4.963 TFLOPS
4.096 TFLOPS
FP32 (float)
4.963 TFLOPS
4.096 TFLOPS
FP64 (double)
310.2 GFLOPS
256.0 GFLOPS
Graphics Processor
GPU Name
Polaris 20
Amethyst
GPU Variant
Polaris 20M XT
E8950
Architecture
GCN 4.0
GCN 3.0
Foundry
GlobalFoundries
TSMC
Process Size
14 nm
28 nm
Transistors
5.7 billion
5 billion
Die Size
232 mm²
366 mm²
Board Design
TDP
100W
95W
Outputs
No outputs
No outputs
Power Connectors
None
None
Graphics Features
DirectX
12 (12_0)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
2.1
2.0
Vulkan
1.2
1.2
Shader Model
6.4
6.3
Benchmark
3DMark Time Spy
3,553
—
3DMark Time Spy Extreme
1,626
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.