AMD Radeon Pro 580X vs AMD Radeon R9 M395 Mac Edition

VS

AMD Radeon Pro 580X AMD Radeon R9 M395 Mac Edition

We compared two Mobile platform GPUs: 8GB VRAM Radeon Pro 580X and 2GB VRAM Radeon R9 M395 Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon Pro 580X 's Advantages

Released 3 years and 10 months late

Boost Clock1200MHz

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (218.9GB/s vs 174.7GB/s)

512 additional rendering cores

Lower TDP (185W vs 250W)

Score

Benchmark

FP32 (float)

Radeon Pro 580X +85%

5.53 TFLOPS

Radeon R9 M395 Mac Edition

2.989 TFLOPS

Radeon Pro 580X

VS

Radeon R9 M395 Mac Edition

Graphics Card

Mar 2019

Release Date

May 2015

Radeon Pro Mac

Generation

Crystal System

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

1100 MHz

Base Clock

-

1200 MHz

Boost Clock

-

1710 MHz

Memory Clock

1365 MHz

Memory

8GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

218.9GB/s

Bandwidth

174.7GB/s

Render Config

-

SM Count

-

36

Compute Units

28

2304

Shading Units

1792

144

TMUs

112

32

ROPs

32

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

-

2 MB

L2 Cache

-

Theoretical Performance

38.40 GPixel/s

Pixel Rate

26.69 GPixel/s

172.8 GTexel/s

Texture Rate

93.41 GTexel/s

5.530 TFLOPS

FP16 (half)

-

5.530 TFLOPS

FP32 (float)

2.989 TFLOPS

345.6 GFLOPS

FP64 (double)

373.6 GFLOPS

Graphics Processor

Ellesmere

GPU Name

Amethyst

Ellesmere XTA (216-0886220)

GPU Variant

Amethyst PRO (216-0872004)

GCN 4.0

Architecture

GCN 3.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

5.7 billion

Transistors

5 billion

232 mm²

Die Size

366 mm²

Board Design

185W

TDP

250W

-

Suggested PSU

-

2x HDMI 2.0b

Outputs

No outputs

None

Power Connectors

None

Graphics Features

12 (12_0)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1

OpenCL

2.0

1.2

Vulkan

1.2

-

CUDA

-

6.4

Shader Model

6.3

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