AMD Radeon R9 M395 Mac Edition vs AMD Radeon HD 6970M

VS

AMD Radeon R9 M395 Mac Edition

AMD Radeon HD 6970M

We compared two Mobile platform GPUs: 2GB VRAM Radeon R9 M395 Mac Edition and 1024MB VRAM Radeon HD 6970M 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 4 years and 4 months late

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (174.7GB/s vs 115.2GB/s)

832 additional rendering cores

AMD Radeon HD 6970M 's Advantages

Lower TDP (75W vs 250W)

Score

Benchmark

FP32 (float)

Radeon R9 M395 Mac Edition +128%

2.989 TFLOPS

Radeon HD 6970M

1.306 TFLOPS

Radeon R9 M395 Mac Edition

VS

Radeon HD 6970M

Graphics Card

May 2015

Release Date

Jan 2011

Crystal System

Generation

Vancouver

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

MXM-B (3.0)

Clock Speeds

-

1365 MHz

Memory Clock

900 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

174.7GB/s

Bandwidth

115.2GB/s

Render Config

28

Compute Units

12

-

1792

Shading Units

960

112

TMUs

48

32

ROPs

32

-

L1 Cache

8 KB (per CU)

-

L2 Cache

512 KB

-

Theoretical Performance

26.69 GPixel/s

Pixel Rate

21.76 GPixel/s

93.41 GTexel/s

Texture Rate

32.64 GTexel/s

-

2.989 TFLOPS

FP32 (float)

1306 GFLOPS

373.6 GFLOPS

FP64 (double)

-

Board Design

250W

TDP

75W

-

No outputs

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Amethyst

GPU Name

Blackcomb

Amethyst PRO (216-0872004)

GPU Variant

Blackcomb XT (216-0811000)

GCN 3.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

5 billion

Transistors

1.7 billion

366 mm²

Die Size

212 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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