AMD Radeon HD 6950M vs AMD Radeon R9 M380 Mac Edition

VS

AMD Radeon HD 6950M

AMD Radeon R9 M380 Mac Edition

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6950M and 2GB VRAM Radeon R9 M380 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

Larger VRAM bandwidth (115.2GB/s vs 100.4GB/s)

192 additional rendering cores

AMD Radeon R9 M380 Mac Edition 's Advantages

Released 4 years and 4 months late

Boost Clock1021MHz

More VRAM (2GB vs 1024GB)

Score

Benchmark

FP32 (float)

Radeon HD 6950M

1.114 TFLOPS

Radeon R9 M380 Mac Edition +40%

1.568 TFLOPS

Radeon HD 6950M

VS

Radeon R9 M380 Mac Edition

Graphics Card

Jan 2011

Release Date

May 2015

Vancouver

Generation

Gem System

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

900 MHz

-

Boost Clock

1021 MHz

900 MHz

Memory Clock

1568 MHz

Memory

1024MB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

115.2GB/s

Bandwidth

100.4GB/s

Render Config

12

Compute Units

12

-

960

Shading Units

768

48

TMUs

48

32

ROPs

16

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

256 KB

-

Theoretical Performance

18.56 GPixel/s

Pixel Rate

16.34 GPixel/s

27.84 GTexel/s

Texture Rate

49.01 GTexel/s

-

1114 GFLOPS

FP32 (float)

1.568 TFLOPS

-

FP64 (double)

98.02 GFLOPS

Board Design

50W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Graphics Processor

Blackcomb

GPU Name

Strato

Blackcomb PRO

GPU Variant

Strato PRO

TeraScale 2

Architecture

GCN 2.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

1.7 billion

Transistors

2.08 billion

212 mm²

Die Size

160 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (12_0)

4.4

OpenGL

4.6

1.2

OpenCL

2.1

N/A

Vulkan

1.2.170

-

5.0

Shader Model

6.5

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