AMD Radeon R9 M395 Mac Edition vs AMD Radeon HD 7470A

VS

AMD Radeon R9 M395 Mac Edition

AMD Radeon HD 7470A

We compared two Mobile platform GPUs: 2GB VRAM Radeon R9 M395 Mac Edition and 512MB VRAM Radeon HD 7470A 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 3 years and 4 months late

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (174.7GB/s vs 12.80GB/s)

1632 additional rendering cores

AMD Radeon HD 7470A 's Advantages

Lower TDP (25W vs 250W)

Score

Benchmark

FP32 (float)

Radeon R9 M395 Mac Edition +1394%

2.989 TFLOPS

Radeon HD 7470A

0.2 TFLOPS

Radeon R9 M395 Mac Edition

VS

Radeon HD 7470A

Graphics Card

May 2015

Release Date

Jan 2012

Crystal System

Generation

All-In-One

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

MXM-A (3.0)

Clock Speeds

-

1365 MHz

Memory Clock

800 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

64bit

174.7GB/s

Bandwidth

12.80GB/s

Render Config

28

Compute Units

2

-

1792

Shading Units

160

112

TMUs

8

32

ROPs

4

-

L1 Cache

8 KB (per CU)

-

L2 Cache

128 KB

-

Theoretical Performance

26.69 GPixel/s

Pixel Rate

2.500 GPixel/s

93.41 GTexel/s

Texture Rate

5.000 GTexel/s

-

2.989 TFLOPS

FP32 (float)

200.0 GFLOPS

373.6 GFLOPS

FP64 (double)

-

Board Design

250W

TDP

25W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Amethyst

GPU Name

Caicos

Amethyst PRO (216-0872004)

GPU Variant

-

GCN 3.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

5 billion

Transistors

0.37 billion

366 mm²

Die Size

67 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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