AMD Radeon HD 8590M vs AMD Radeon R9 M395 Mac Edition

VS

AMD Radeon HD 8590M

AMD Radeon R9 M395 Mac Edition

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 8590M 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 HD 8590M 's Advantages

Boost Clock825MHz

AMD Radeon R9 M395 Mac Edition 's Advantages

Released 2 years and 2 months late

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (174.7GB/s vs 36.00GB/s)

1472 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8590M

0.528 TFLOPS

Radeon R9 M395 Mac Edition +466%

2.989 TFLOPS

Radeon HD 8590M

VS

Radeon R9 M395 Mac Edition

Graphics Card

Mar 2013

Release Date

May 2015

Solar System

Generation

Crystal System

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

MXM-B (3.0)

Clock Speeds

750 MHz

Base Clock

-

825 MHz

Boost Clock

-

1125 MHz

Memory Clock

1365 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

64bit

Memory Bus

256bit

36.00GB/s

Bandwidth

174.7GB/s

Render Config

5

Compute Units

28

-

320

Shading Units

1792

20

TMUs

112

8

ROPs

32

-

16 KB (per CU)

L1 Cache

-

128 KB

L2 Cache

-

Theoretical Performance

6.600 GPixel/s

Pixel Rate

26.69 GPixel/s

16.50 GTexel/s

Texture Rate

93.41 GTexel/s

-

528.0 GFLOPS

FP32 (float)

2.989 TFLOPS

33.00 GFLOPS

FP64 (double)

373.6 GFLOPS

Board Design

Unknown

TDP

250W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Sun

GPU Name

Amethyst

-

GPU Variant

Amethyst PRO (216-0872004)

GCN 1.0

Architecture

GCN 3.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

0.69 billion

Transistors

5 billion

56 mm²

Die Size

366 mm²

Graphics Features

12 (11_1)

DirectX

12 (12_0)

4.6

OpenGL

4.6

1.2

OpenCL

2.0

1.2

Vulkan

1.2

-

5.1

Shader Model

6.3

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