AMD Radeon HD 6870M vs ATI Mobility Radeon HD 550v

VS

AMD Radeon HD 6870M

ATI Mobility Radeon HD 550v

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6870M and 1024MB VRAM Mobility Radeon HD 550v to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6870M 's Advantages

Released 8 months late

Larger VRAM bandwidth (64.00GB/s vs 19.20GB/s)

480 additional rendering cores

ATI Mobility Radeon HD 550v 's Advantages

Lower TDP (10W vs 50W)

Score

Benchmark

FP32 (float)

Radeon HD 6870M +275%

1.08 TFLOPS

Mobility Radeon HD 550v

0.288 TFLOPS

Radeon HD 6870M

VS

Mobility Radeon HD 550v

Graphics Card

Jan 2011

Release Date

May 2010

Vancouver

Generation

M9x

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1000 MHz

Memory Clock

600 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

128bit

64.00GB/s

Bandwidth

19.20GB/s

Render Config

10

Compute Units

4

-

800

Shading Units

320

40

TMUs

32

16

ROPs

8

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

128 KB

-

Theoretical Performance

10.80 GPixel/s

Pixel Rate

3.600 GPixel/s

27.00 GTexel/s

Texture Rate

14.40 GTexel/s

-

1080 GFLOPS

FP32 (float)

288.0 GFLOPS

-

Board Design

50W

TDP

10W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Granville

GPU Name

M96

Granville XT (216-0769024)

GPU Variant

-

TeraScale 2

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

1.04 billion

Transistors

0.514 billion

166 mm²

Die Size

146 mm²

Graphics Features

11.2 (11_0)

DirectX

10.1 (10_1)

4.4

OpenGL

3.3

1.2

OpenCL

1.1

N/A

Vulkan

N/A

-

5.0

Shader Model

4.1

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