AMD Radeon HD 6950M vs AMD Radeon R9 M395 Mac Edition

VS

AMD Radeon HD 6950M

AMD Radeon R9 M395 Mac Edition

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6950M and 2GB VRAM Radeon R9 M395 Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6950M 's Advantages

Lower TDP (50W vs 250W)

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

Score

Benchmark

FP32 (float)

Radeon HD 6950M

1.114 TFLOPS

Radeon R9 M395 Mac Edition +168%

2.989 TFLOPS

Radeon HD 6950M

VS

Radeon R9 M395 Mac Edition

Graphics Card

Jan 2011

Release Date

May 2015

Vancouver

Generation

Crystal System

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

MXM-B (3.0)

Clock Speeds

-

900 MHz

Memory Clock

1365 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

115.2GB/s

Bandwidth

174.7GB/s

Render Config

12

Compute Units

28

-

960

Shading Units

1792

48

TMUs

112

32

ROPs

32

-

8 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

-

Theoretical Performance

18.56 GPixel/s

Pixel Rate

26.69 GPixel/s

27.84 GTexel/s

Texture Rate

93.41 GTexel/s

-

1114 GFLOPS

FP32 (float)

2.989 TFLOPS

-

FP64 (double)

373.6 GFLOPS

Board Design

50W

TDP

250W

-

No outputs

Outputs

No outputs

-

Power Connectors

None

Graphics Processor

Blackcomb

GPU Name

Amethyst

Blackcomb PRO

GPU Variant

Amethyst PRO (216-0872004)

TeraScale 2

Architecture

GCN 3.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.7 billion

Transistors

5 billion

212 mm²

Die Size

366 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (12_0)

4.4

OpenGL

4.6

1.2

OpenCL

2.0

N/A

Vulkan

1.2

-

5.0

Shader Model

6.3

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