AMD Radeon R9 M295X Mac Edition vs AMD Radeon HD 6950M

VS

AMD Radeon R9 M295X Mac Edition

AMD Radeon HD 6950M

We compared two Mobile platform GPUs: 4GB VRAM Radeon R9 M295X Mac Edition and 1024MB VRAM Radeon HD 6950M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R9 M295X Mac Edition 's Advantages

Released 3 years and 10 months late

More VRAM (4GB vs 1024GB)

Larger VRAM bandwidth (174.3GB/s vs 115.2GB/s)

1088 additional rendering cores

AMD Radeon HD 6950M 's Advantages

Lower TDP (50W vs 250W)

Score

Benchmark

FP32 (float)

Radeon R9 M295X Mac Edition +212%

3.482 TFLOPS

Radeon HD 6950M

1.114 TFLOPS

Radeon R9 M295X Mac Edition

VS

Radeon HD 6950M

Graphics Card

Nov 2014

Release Date

Jan 2011

Crystal System

Generation

Vancouver

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

MXM-B (3.0)

Clock Speeds

-

1362 MHz

Memory Clock

900 MHz

Memory

4GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

174.3GB/s

Bandwidth

115.2GB/s

Render Config

32

Compute Units

12

-

2048

Shading Units

960

128

TMUs

48

32

ROPs

32

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

512 KB

L2 Cache

512 KB

-

Theoretical Performance

27.20 GPixel/s

Pixel Rate

18.56 GPixel/s

108.8 GTexel/s

Texture Rate

27.84 GTexel/s

3.482 TFLOPS

FP16 (half)

-

3.482 TFLOPS

FP32 (float)

1114 GFLOPS

217.6 GFLOPS

FP64 (double)

-

Board Design

250W

TDP

50W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Amethyst

GPU Name

Blackcomb

Amethyst XT

GPU Variant

Blackcomb PRO

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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