AMD Radeon HD 8970M vs AMD Radeon E9550 MXM

VS

AMD Radeon HD 8970M

AMD Radeon E9550 MXM

We compared two Mobile platform GPUs: 4GB VRAM Radeon HD 8970M 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 E9550 MXM 's Advantages

Released 3 years and 4 months late

Boost Clock has increased by 41% (1266MHz vs 900MHz)

More VRAM (8GB vs 4GB)

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

1024 additional rendering cores

Lower TDP (95W vs 100W)

Score

Benchmark

FP32 (float)

Radeon HD 8970M

2.304 TFLOPS

Radeon E9550 MXM +153%

5.834 TFLOPS

Radeon HD 8970M

VS

Radeon E9550 MXM

Graphics Card

May 2013

Release Date

Sep 2016

Solar System

Generation

Embedded

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

850 MHz

Base Clock

1120 MHz

900 MHz

Boost Clock

1266 MHz

1200 MHz

Memory Clock

1250 MHz

Memory

4GB

Memory Size

8GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

256bit

153.6GB/s

Bandwidth

160.0GB/s

Render Config

20

Compute Units

36

-

1280

Shading Units

2304

80

TMUs

144

32

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

2 MB

-

Theoretical Performance

28.80 GPixel/s

Pixel Rate

40.51 GPixel/s

72.00 GTexel/s

Texture Rate

182.3 GTexel/s

-

FP16 (half)

5.834 TFLOPS

2.304 TFLOPS

FP32 (float)

5.834 TFLOPS

144.0 GFLOPS

FP64 (double)

364.6 GFLOPS

Board Design

100W

TDP

95W

-

No outputs

Outputs

1x HDMI 2.0b 3x DisplayPort 1.4a

-

Power Connectors

None

Graphics Processor

Neptune

GPU Name

Ellesmere

Neptune XT (216-0847000)

GPU Variant

Ellesmere XT

GCN 1.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

2.8 billion

Transistors

5.7 billion

212 mm²

Die Size

232 mm²

Graphics Features

12 (11_1)

DirectX

12 (12_0)

4.6

OpenGL

4.6

1.2

OpenCL

2.1

1.2

Vulkan

1.2

-

5.1

Shader Model

6.4

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