AMD Radeon R9 M395 Mac Edition vs ATI Mobility Radeon HD 3850 X2

VS

AMD Radeon R9 M395 Mac Edition

ATI Mobility Radeon HD 3850 X2

We compared two Mobile platform GPUs: 2GB VRAM Radeon R9 M395 Mac Edition and 512MB VRAM Mobility Radeon HD 3850 X2 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 6 years and 11 months late

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (174.7GB/s vs 48.00GB/s)

1472 additional rendering cores

ATI Mobility Radeon HD 3850 X2 's Advantages

Lower TDP (70W vs 250W)

Score

Benchmark

FP32 (float)

Radeon R9 M395 Mac Edition +705%

2.989 TFLOPS

Mobility Radeon HD 3850 X2

0.371 TFLOPS

Radeon R9 M395 Mac Edition

VS

Mobility Radeon HD 3850 X2

Graphics Card

May 2015

Release Date

Jun 2008

Crystal System

Generation

M8x

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1365 MHz

Memory Clock

750 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

256bit

174.7GB/s

Bandwidth

48.00GB/s

Render Config

28

Compute Units

4

-

1792

Shading Units

320

112

TMUs

16

32

ROPs

16

-

L2 Cache

256 KB

-

Theoretical Performance

26.69 GPixel/s

Pixel Rate

9.280 GPixel/s

93.41 GTexel/s

Texture Rate

9.280 GTexel/s

-

2.989 TFLOPS

FP32 (float)

371.2 GFLOPS

373.6 GFLOPS

FP64 (double)

74.24 GFLOPS

Board Design

250W

TDP

70W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Amethyst

GPU Name

M88

Amethyst PRO (216-0872004)

GPU Variant

-

GCN 3.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

5 billion

Transistors

0.666 billion

366 mm²

Die Size

192 mm²

Graphics Features

12 (12_0)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

2.0

OpenCL

N/A

1.2

Vulkan

N/A

-

6.3

Shader Model

4.1

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