AMD Radeon R9 M290X vs AMD Radeon Pro 555

VS

AMD Radeon R9 M290X

AMD Radeon Pro 555

We compared two Mobile platform GPUs: 4GB VRAM Radeon R9 M290X 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 R9 M290X 's Advantages

Boost Clock900MHz

More VRAM (4GB vs 2GB)

Larger VRAM bandwidth (153.6GB/s vs 81.60GB/s)

512 additional rendering cores

AMD Radeon Pro 555 's Advantages

Released 3 years and 5 months late

Lower TDP (75W vs 100W)

Score

Benchmark

FP32 (float)

Radeon R9 M290X +76%

2.304 TFLOPS

Radeon Pro 555

1.306 TFLOPS

Radeon R9 M290X

VS

Radeon Pro 555

Graphics Card

Jan 2014

Release Date

Jun 2017

Crystal System

Generation

Radeon Pro Mac

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

850 MHz

Base Clock

-

900 MHz

Boost Clock

-

1200 MHz

Memory Clock

1275 MHz

Memory

4GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

153.6GB/s

Bandwidth

81.60GB/s

Render Config

20

Compute Units

12

-

1280

Shading Units

768

80

TMUs

48

32

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

1024 KB

-

Theoretical Performance

28.80 GPixel/s

Pixel Rate

13.60 GPixel/s

72.00 GTexel/s

Texture Rate

40.80 GTexel/s

-

FP16 (half)

1306 GFLOPS

2.304 TFLOPS

FP32 (float)

1306 GFLOPS

144.0 GFLOPS

FP64 (double)

81.60 GFLOPS

Board Design

100W

TDP

75W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Neptune

GPU Name

Polaris 21

Neptune XT (216-0847000)

GPU Variant

Polaris 21 PRO

GCN 1.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

2.8 billion

Transistors

3 billion

212 mm²

Die Size

123 mm²

Graphics Features

12 (11_1)

DirectX

12 (12_0)

4.6

OpenGL

4.6

1.2

OpenCL

2.1

1.2

Vulkan

1.2

-

5.1

Shader Model

6.4

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