AMD Radeon RX 580X Mobile vs AMD Radeon E8860

VS

AMD Radeon RX 580X Mobile AMD Radeon E8860

We compared two Mobile platform GPUs: 8GB VRAM Radeon RX 580X Mobile and 2GB VRAM Radeon E8860 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon RX 580X Mobile 's Advantages

Released 4 years and 3 months late

Boost Clock has increased by 72% (1077MHz vs 625MHz)

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (256.0GB/s vs 72.00GB/s)

1664 additional rendering cores

AMD Radeon E8860 's Advantages

Lower TDP (37W vs 100W)

Score

Benchmark

FP32 (float)

Radeon RX 580X Mobile +520%

4.963 TFLOPS

Radeon E8860

0.8 TFLOPS

Radeon RX 580X Mobile

VS

Radeon E8860

Graphics Card

Apr 2018

Release Date

Jan 2014

Mobility Radeon

Generation

Embedded

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x16

Clock Speeds

1000 MHz

Base Clock

575 MHz

1077 MHz

Boost Clock

625 MHz

2000 MHz

Memory Clock

1125 MHz

Memory

8GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

256.0GB/s

Bandwidth

72.00GB/s

Render Config

-

SM Count

-

36

Compute Units

10

2304

Shading Units

640

144

TMUs

40

32

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

256 KB

Theoretical Performance

34.46 GPixel/s

Pixel Rate

10.00 GPixel/s

155.1 GTexel/s

Texture Rate

25.00 GTexel/s

4.963 TFLOPS

FP16 (half)

-

4.963 TFLOPS

FP32 (float)

800.0 GFLOPS

310.2 GFLOPS

FP64 (double)

50.00 GFLOPS

Graphics Processor

Polaris 20

GPU Name

Venus

Polaris 20M XT

GPU Variant

Venus MCM

GCN 4.0

Architecture

GCN 1.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

5.7 billion

Transistors

1.5 billion

232 mm²

Die Size

123 mm²

Board Design

100W

TDP

37W

-

Suggested PSU

-

No outputs

Outputs

1x VGA

None

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Features

12 (12_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1

OpenCL

2.1 (1.2)

1.2

Vulkan

1.2.170

-

CUDA

-

6.4

Shader Model

6.5 (5.1)

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