AMD Radeon R9 M380 Mac Edition vs AMD Radeon Pro 555X

VS

AMD Radeon R9 M380 Mac Edition

AMD Radeon Pro 555X

We compared two Mobile platform GPUs: 2GB VRAM Radeon R9 M380 Mac Edition 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 R9 M380 Mac Edition 's Advantages

Boost Clock1021MHz

Larger VRAM bandwidth (100.4GB/s vs 94.08GB/s)

AMD Radeon Pro 555X 's Advantages

Released 3 years and 2 months late

More VRAM (4GB vs 2GB)

Score

Benchmark

FP32 (float)

Radeon R9 M380 Mac Edition +12%

1.568 TFLOPS

Radeon Pro 555X

1.393 TFLOPS

Radeon R9 M380 Mac Edition

VS

Radeon Pro 555X

Graphics Card

May 2015

Release Date

Jul 2018

Gem System

Generation

Radeon Pro Mac

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

900 MHz

Base Clock

-

1021 MHz

Boost Clock

-

1568 MHz

Memory Clock

1470 MHz

Memory

2GB

Memory Size

4GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

100.4GB/s

Bandwidth

94.08GB/s

Render Config

12

Compute Units

12

-

768

Shading Units

768

48

TMUs

48

16

ROPs

16

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

1024 KB

-

Theoretical Performance

16.34 GPixel/s

Pixel Rate

14.51 GPixel/s

49.01 GTexel/s

Texture Rate

43.54 GTexel/s

-

FP16 (half)

1393 GFLOPS

1.568 TFLOPS

FP32 (float)

1393 GFLOPS

98.02 GFLOPS

FP64 (double)

87.07 GFLOPS

Board Design

Unknown

TDP

75W

-

Portable Device Dependent

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Strato

GPU Name

Polaris 21

Strato PRO

GPU Variant

Polaris 21 PRO

GCN 2.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

2.08 billion

Transistors

3 billion

160 mm²

Die Size

123 mm²

Graphics Features

12 (12_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1

OpenCL

2.1

1.2.170

Vulkan

1.2

-

6.5

Shader Model

6.4

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