AMD Radeon E8860 vs AMD Radeon Pro 555X

VS

AMD Radeon E8860

AMD Radeon Pro 555X

We compared two Mobile platform GPUs: 2GB VRAM Radeon E8860 and 4GB VRAM Radeon Pro 555X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon E8860 's Advantages

Boost Clock625MHz

Lower TDP (37W vs 75W)

AMD Radeon Pro 555X 's Advantages

Released 4 years and 6 months late

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (94.08GB/s vs 72.00GB/s)

128 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon E8860

0.8 TFLOPS

Radeon Pro 555X +74%

1.393 TFLOPS

Radeon E8860

VS

Radeon Pro 555X

Graphics Card

Jan 2014

Release Date

Jul 2018

Embedded

Generation

Radeon Pro Mac

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

575 MHz

Base Clock

-

625 MHz

Boost Clock

-

1125 MHz

Memory Clock

1470 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

72.00GB/s

Bandwidth

94.08GB/s

Render Config

10

Compute Units

12

-

640

Shading Units

768

40

TMUs

48

16

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

1024 KB

-

Theoretical Performance

10.00 GPixel/s

Pixel Rate

14.51 GPixel/s

25.00 GTexel/s

Texture Rate

43.54 GTexel/s

-

FP16 (half)

1393 GFLOPS

800.0 GFLOPS

FP32 (float)

1393 GFLOPS

50.00 GFLOPS

FP64 (double)

87.07 GFLOPS

Board Design

37W

TDP

75W

-

1x VGA

Outputs

No outputs

1x 6-pin + 1x 8-pin

Power Connectors

None

Graphics Processor

Venus

GPU Name

Polaris 21

Venus MCM

GPU Variant

Polaris 21 PRO

GCN 1.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

1.5 billion

Transistors

3 billion

123 mm²

Die Size

123 mm²

Graphics Features

12 (11_1)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1 (1.2)

OpenCL

2.1

1.2.170

Vulkan

1.2

-

6.5 (5.1)

Shader Model

6.4

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