AMD Radeon HD 6850M vs ATI Mobility Radeon HD 3470

VS

AMD Radeon HD 6850M ATI Mobility Radeon HD 3470

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6850M and 256MB VRAM Mobility Radeon HD 3470 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6850M 's Advantages

Released 3 years late

More VRAM (1024GB vs 256GB)

Larger VRAM bandwidth (25.60GB/s vs 6.400GB/s)

760 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6850M +1900%

1.08 TFLOPS

Mobility Radeon HD 3470

0.054 TFLOPS

Radeon HD 6850M

VS

Mobility Radeon HD 3470

Graphics Card

Jan 2011

Release Date

Jan 2008

Vancouver

Generation

M8x

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

MXM-II

Clock Speeds

-

Base Clock

-

Boost Clock

-

800 MHz

Memory Clock

400 MHz

Memory

1024MB

Memory Size

256MB

GDDR3

Memory Type

DDR2

128bit

Memory Bus

64bit

25.60GB/s

Bandwidth

6.400GB/s

Render Config

-

SM Count

-

10

Compute Units

2

800

Shading Units

40

TMUs

4

16

ROPs

4

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

64 KB

Theoretical Performance

10.80 GPixel/s

Pixel Rate

2.720 GPixel/s

27.00 GTexel/s

Texture Rate

2.720 GTexel/s

-

FP16 (half)

-

1080 GFLOPS

FP32 (float)

54.40 GFLOPS

-

FP64 (double)

-

Graphics Processor

Granville

GPU Name

M82

Granville PRO

GPU Variant

M82-ME XT (216-0707009)

TeraScale 2

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

1.04 billion

Transistors

0.181 billion

166 mm²

Die Size

67 mm²

Board Design

50W

TDP

Unknown

-

Suggested PSU

-

No outputs

Outputs

Portable Device Dependent

-

Power Connectors

-

Graphics Features

11.2 (11_0)

DirectX

10.1

4.4

OpenGL

3.3

1.2

OpenCL

N/A

Vulkan

N/A

-

CUDA

-

5.0

Shader Model

4.1

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