AMD Radeon HD 6970M Mac Edition vs AMD Radeon E9550 MXM

VS

AMD Radeon HD 6970M Mac Edition AMD Radeon E9550 MXM

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 6970M Mac Edition and 8GB VRAM Radeon E9550 MXM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6970M Mac Edition 's Advantages

Lower TDP (75W vs 95W)

AMD Radeon E9550 MXM 's Advantages

Released 5 years and 1 months late

Boost Clock1266MHz

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (160.0GB/s vs 115.2GB/s)

1344 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6970M Mac Edition

1.306 TFLOPS

Radeon E9550 MXM +346%

5.834 TFLOPS

Radeon HD 6970M Mac Edition

VS

Radeon E9550 MXM

Graphics Card

Aug 2011

Release Date

Sep 2016

Vancouver

Generation

Embedded

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

MXM-B (3.0)

Clock Speeds

-

Base Clock

1120 MHz

-

Boost Clock

1266 MHz

900 MHz

Memory Clock

1250 MHz

Memory

2GB

Memory Size

8GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

115.2GB/s

Bandwidth

160.0GB/s

Render Config

-

SM Count

-

12

Compute Units

36

960

Shading Units

2304

48

TMUs

144

32

ROPs

32

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

2 MB

Theoretical Performance

21.76 GPixel/s

Pixel Rate

40.51 GPixel/s

32.64 GTexel/s

Texture Rate

182.3 GTexel/s

-

FP16 (half)

5.834 TFLOPS

1306 GFLOPS

FP32 (float)

5.834 TFLOPS

-

FP64 (double)

364.6 GFLOPS

Graphics Processor

Blackcomb

GPU Name

Ellesmere

Blackcomb XT (216-0811000)

GPU Variant

Ellesmere XT

TeraScale 2

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

40 nm

Process Size

14 nm

1.7 billion

Transistors

5.7 billion

212 mm²

Die Size

232 mm²

Board Design

75W

TDP

95W

-

Suggested PSU

-

No outputs

Outputs

1x HDMI 2.0b 3x DisplayPort 1.4a

None

Power Connectors

None

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

-

CUDA

-

5.0

Shader Model

6.4

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