AMD Radeon R9 M395 Mac Edition vs ATI Mobility Radeon HD 5870

VS

AMD Radeon R9 M395 Mac Edition

ATI Mobility Radeon HD 5870

We compared two Mobile platform GPUs: 2GB VRAM Radeon R9 M395 Mac Edition and 1024MB VRAM Mobility Radeon HD 5870 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M395 Mac Edition 's Advantages

Released 5 years and 4 months late

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (174.7GB/s vs 64.00GB/s)

992 additional rendering cores

ATI Mobility Radeon HD 5870 's Advantages

Lower TDP (50W vs 250W)

Score

Benchmark

FP32 (float)

Radeon R9 M395 Mac Edition +166%

2.989 TFLOPS

Mobility Radeon HD 5870

1.12 TFLOPS

Radeon R9 M395 Mac Edition

VS

Mobility Radeon HD 5870

Graphics Card

May 2015

Release Date

Jan 2010

Crystal System

Generation

Manhattan

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

MXM-B (3.0)

Clock Speeds

-

1365 MHz

Memory Clock

1000 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

174.7GB/s

Bandwidth

64.00GB/s

Render Config

28

Compute Units

10

-

1792

Shading Units

800

112

TMUs

40

32

ROPs

16

-

L1 Cache

8 KB (per CU)

-

L2 Cache

256 KB

-

Theoretical Performance

26.69 GPixel/s

Pixel Rate

11.20 GPixel/s

93.41 GTexel/s

Texture Rate

28.00 GTexel/s

-

2.989 TFLOPS

FP32 (float)

1120 GFLOPS

373.6 GFLOPS

FP64 (double)

-

Board Design

250W

TDP

50W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Amethyst

GPU Name

Broadway

Amethyst PRO (216-0872004)

GPU Variant

Broadway XT (216-0769008)

GCN 3.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

5 billion

Transistors

1.04 billion

366 mm²

Die Size

166 mm²

Graphics Features

12 (12_0)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

2.0

OpenCL

1.2

Vulkan

N/A

-

6.3

Shader Model

5.0

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