AMD Radeon R9 M395 Mac Edition vs AMD Radeon R7 M260X

VS

AMD Radeon R9 M395 Mac Edition

AMD Radeon R7 M260X

We compared two Mobile platform GPUs: 2GB VRAM Radeon R9 M395 Mac Edition and 1024MB VRAM Radeon R7 M260X 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

More VRAM (2GB vs 1024GB)

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

1408 additional rendering cores

AMD Radeon R7 M260X 's Advantages

Released 7 months late

Boost Clock715MHz

Score

Benchmark

FP32 (float)

Radeon R9 M395 Mac Edition +444%

2.989 TFLOPS

Radeon R7 M260X

0.549 TFLOPS

Radeon R9 M395 Mac Edition

VS

Radeon R7 M260X

Graphics Card

May 2015

Release Date

Dec 2015

Crystal System

Generation

Gem System

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

620 MHz

-

Boost Clock

715 MHz

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

6

-

1792

Shading Units

384

112

TMUs

24

32

ROPs

8

-

L1 Cache

16 KB (per CU)

-

L2 Cache

256 KB

-

Theoretical Performance

26.69 GPixel/s

Pixel Rate

5.720 GPixel/s

93.41 GTexel/s

Texture Rate

17.16 GTexel/s

-

2.989 TFLOPS

FP32 (float)

549.1 GFLOPS

373.6 GFLOPS

FP64 (double)

-

Board Design

250W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

None

Graphics Processor

Amethyst

GPU Name

Opal

Amethyst PRO (216-0872004)

GPU Variant

Opal PRO

GCN 3.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

5 billion

Transistors

0.95 billion

366 mm²

Die Size

77 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.0

OpenCL

2.1 (1.2)

1.2

Vulkan

1.2.170

-

6.3

Shader Model

6.5 (5.1)

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