AMD Radeon E9550 MXM vs AMD Radeon HD 7970M

VS

AMD Radeon E9550 MXM

AMD Radeon HD 7970M

We compared two Mobile platform GPUs: 8GB VRAM Radeon E9550 MXM and 2GB VRAM Radeon HD 7970M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon E9550 MXM 's Advantages

Released 4 years and 5 months late

Boost Clock1266MHz

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (160.0GB/s vs 153.6GB/s)

1024 additional rendering cores

Lower TDP (95W vs 100W)

Score

Benchmark

FP32 (float)

Radeon E9550 MXM +168%

5.834 TFLOPS

Radeon HD 7970M

2.176 TFLOPS

Radeon E9550 MXM

VS

Radeon HD 7970M

Graphics Card

Sep 2016

Release Date

Apr 2012

Embedded

Generation

London

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

MXM-B (3.0)

Clock Speeds

1120 MHz

Base Clock

-

1266 MHz

Boost Clock

-

1250 MHz

Memory Clock

1200 MHz

Memory

8GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

160.0GB/s

Bandwidth

153.6GB/s

Render Config

36

Compute Units

20

-

2304

Shading Units

1280

144

TMUs

80

32

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

2 MB

L2 Cache

512 KB

-

Theoretical Performance

40.51 GPixel/s

Pixel Rate

27.20 GPixel/s

182.3 GTexel/s

Texture Rate

68.00 GTexel/s

5.834 TFLOPS

FP16 (half)

-

5.834 TFLOPS

FP32 (float)

2.176 TFLOPS

364.6 GFLOPS

FP64 (double)

136.0 GFLOPS

Board Design

95W

TDP

100W

-

1x HDMI 2.0b 3x DisplayPort 1.4a

Outputs

No outputs

None

Power Connectors

None

Graphics Processor

Ellesmere

GPU Name

Wimbledon

Ellesmere XT

GPU Variant

Wimbledon XT (216-0836036)

GCN 4.0

Architecture

GCN 1.0

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

28 nm

5.7 billion

Transistors

2.8 billion

232 mm²

Die Size

212 mm²

Graphics Features

12 (12_0)

DirectX

12 (11_1)

4.6

OpenGL

4.6

2.1

OpenCL

1.2

Vulkan

1.2

-

6.4

Shader Model

5.1

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