AMD Radeon HD 8870M vs AMD Radeon E9550 MXM

VS

AMD Radeon HD 8870M

AMD Radeon E9550 MXM

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 8870M 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 5 months late

Boost Clock has increased by 63% (1266MHz vs 775MHz)

More VRAM (8GB vs 2GB)

Larger VRAM bandwidth (160.0GB/s vs 72.00GB/s)

1664 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 8870M

0.992 TFLOPS

Radeon E9550 MXM +488%

5.834 TFLOPS

Radeon HD 8870M

VS

Radeon E9550 MXM

Graphics Card

Apr 2013

Release Date

Sep 2016

Solar System

Generation

Embedded

Mobile

Type

Mobile

PCIe 3.0 x16

Bus Interface

MXM-B (3.0)

Clock Speeds

725 MHz

Base Clock

1120 MHz

775 MHz

Boost Clock

1266 MHz

1125 MHz

Memory Clock

1250 MHz

Memory

2GB

Memory Size

8GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

72.00GB/s

Bandwidth

160.0GB/s

Render Config

10

Compute Units

36

-

640

Shading Units

2304

40

TMUs

144

16

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

2 MB

-

Theoretical Performance

12.40 GPixel/s

Pixel Rate

40.51 GPixel/s

31.00 GTexel/s

Texture Rate

182.3 GTexel/s

-

FP16 (half)

5.834 TFLOPS

992.0 GFLOPS

FP32 (float)

5.834 TFLOPS

62.00 GFLOPS

FP64 (double)

364.6 GFLOPS

Board Design

Unknown

TDP

95W

-

Portable Device Dependent

Outputs

1x HDMI 2.0b 3x DisplayPort 1.4a

-

Power Connectors

None

Graphics Processor

Venus

GPU Name

Ellesmere

Venus XT (216-0846000)

GPU Variant

Ellesmere XT

GCN 1.0

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

28 nm

Process Size

14 nm

1.5 billion

Transistors

5.7 billion

123 mm²

Die Size

232 mm²

Graphics Features

12 (11_1)

DirectX

12 (12_0)

4.6

OpenGL

4.6

2.1 (1.2)

OpenCL

2.1

1.2.170

Vulkan

1.2

-

6.5 (5.1)

Shader Model

6.4

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