AMD Radeon HD 6870M vs AMD Radeon E9550 MXM

VS

AMD Radeon HD 6870M AMD Radeon E9550 MXM

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6870M 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 6870M 's Advantages

Lower TDP (50W vs 95W)

AMD Radeon E9550 MXM 's Advantages

Released 5 years and 8 months late

Boost Clock1266MHz

More VRAM (8GB vs 1GB)

Larger VRAM bandwidth (160.0GB/s vs 64.00GB/s)

1504 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6870M

1.08 TFLOPS

Radeon E9550 MXM +440%

5.834 TFLOPS

Radeon HD 6870M

VS

Radeon E9550 MXM

Graphics Card

Jan 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

1000 MHz

Memory Clock

1250 MHz

Memory

1024MB

Memory Size

8GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

256bit

64.00GB/s

Bandwidth

160.0GB/s

Render Config

-

SM Count

-

10

Compute Units

36

800

Shading Units

2304

40

TMUs

144

16

ROPs

32

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

2 MB

Theoretical Performance

10.80 GPixel/s

Pixel Rate

40.51 GPixel/s

27.00 GTexel/s

Texture Rate

182.3 GTexel/s

-

FP16 (half)

5.834 TFLOPS

1080 GFLOPS

FP32 (float)

5.834 TFLOPS

-

FP64 (double)

364.6 GFLOPS

Graphics Processor

Granville

GPU Name

Ellesmere

Granville XT (216-0769024)

GPU Variant

Ellesmere XT

TeraScale 2

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

40 nm

Process Size

14 nm

1.04 billion

Transistors

5.7 billion

166 mm²

Die Size

232 mm²

Board Design

50W

TDP

95W

-

Suggested PSU

-

No outputs

Outputs

1x HDMI 2.0b 3x DisplayPort 1.4a

-

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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