AMD Radeon E8950 vs AMD Radeon Pro 555

VS

AMD Radeon E8950

AMD Radeon Pro 555

We compared two Mobile platform GPUs: 8GB VRAM Radeon E8950 and 2GB VRAM Radeon Pro 555 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon E8950 's Advantages

Boost Clock1000MHz

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (192.0GB/s vs 81.60GB/s)

1280 additional rendering cores

AMD Radeon Pro 555 's Advantages

Released 1 years and 9 months late

Lower TDP (75W vs 95W)

Score

Benchmark

FP32 (float)

Radeon E8950 +213%

4.096 TFLOPS

Radeon Pro 555

1.306 TFLOPS

Radeon E8950

VS

Radeon Pro 555

Graphics Card

Sep 2015

Release Date

Jun 2017

Embedded

Generation

Radeon Pro Mac

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x8

Clock Speeds

735 MHz

Base Clock

-

1000 MHz

Boost Clock

-

1500 MHz

Memory Clock

1275 MHz

Memory

8GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

192.0GB/s

Bandwidth

81.60GB/s

Render Config

32

Compute Units

12

-

2048

Shading Units

768

128

TMUs

48

32

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

1024 KB

-

Theoretical Performance

32.00 GPixel/s

Pixel Rate

13.60 GPixel/s

128.0 GTexel/s

Texture Rate

40.80 GTexel/s

4.096 TFLOPS

FP16 (half)

1306 GFLOPS

4.096 TFLOPS

FP32 (float)

1306 GFLOPS

256.0 GFLOPS

FP64 (double)

81.60 GFLOPS

Board Design

95W

TDP

75W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Amethyst

GPU Name

Polaris 21

E8950

GPU Variant

Polaris 21 PRO

GCN 3.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

5 billion

Transistors

3 billion

366 mm²

Die Size

123 mm²

Graphics Features

12 (12_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.0

OpenCL

2.1

1.2

Vulkan

1.2

-

6.3

Shader Model

6.4

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