AMD Radeon Pro 555X vs AMD FirePro M8900

VS

AMD Radeon Pro 555X

AMD FirePro M8900

We compared two Mobile platform GPUs: 4GB VRAM Radeon Pro 555X and 2GB VRAM FirePro M8900 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro 555X 's Advantages

Released 7 years and 3 months late

More VRAM (4GB vs 2GB)

AMD FirePro M8900 's Advantages

Larger VRAM bandwidth (115.2GB/s vs 94.08GB/s)

192 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon Pro 555X +6%

1.393 TFLOPS

FirePro M8900

1.306 TFLOPS

Radeon Pro 555X

VS

FirePro M8900

Graphics Card

Jul 2018

Release Date

Apr 2011

Radeon Pro Mac

Generation

FirePro Mobile

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

MXM-B (3.0)

Clock Speeds

-

1470 MHz

Memory Clock

900 MHz

Memory

4GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

94.08GB/s

Bandwidth

115.2GB/s

Render Config

12

Compute Units

12

-

768

Shading Units

960

48

TMUs

48

16

ROPs

32

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

1024 KB

L2 Cache

512 KB

-

Theoretical Performance

14.51 GPixel/s

Pixel Rate

21.76 GPixel/s

43.54 GTexel/s

Texture Rate

32.64 GTexel/s

1393 GFLOPS

FP16 (half)

-

1393 GFLOPS

FP32 (float)

1306 GFLOPS

87.07 GFLOPS

FP64 (double)

-

Board Design

75W

TDP

75W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Polaris 21

GPU Name

Blackcomb

Polaris 21 PRO

GPU Variant

Blackcomb XT GL

GCN 4.0

Architecture

TeraScale 2

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

40 nm

3 billion

Transistors

1.7 billion

123 mm²

Die Size

212 mm²

Graphics Features

12 (12_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.1

OpenCL

1.2

Vulkan

N/A

-

6.4

Shader Model

5.0

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