ATI Mobility Radeon HD 3470 vs AMD Radeon HD 6990M Rebrand

VS

ATI Mobility Radeon HD 3470

AMD Radeon HD 6990M Rebrand

We compared two Mobile platform GPUs: 256MB VRAM Mobility Radeon HD 3470 and 1024MB VRAM Radeon HD 6990M Rebrand to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6990M Rebrand 's Advantages

Released 3 years and 6 months late

More VRAM (1024GB vs 256GB)

Larger VRAM bandwidth (70.40GB/s vs 6.400GB/s)

760 additional rendering cores

Score

Benchmark

FP32 (float)

Mobility Radeon HD 3470

0.054 TFLOPS

Radeon HD 6990M Rebrand +2270%

1.28 TFLOPS

Mobility Radeon HD 3470

VS

Radeon HD 6990M Rebrand

Graphics Card

Jan 2008

Release Date

Jul 2011

M8x

Generation

Vancouver

Mobile

Type

Mobile

MXM-II

Bus Interface

MXM-B (3.0)

Clock Speeds

-

400 MHz

Memory Clock

1100 MHz

Memory

256MB

Memory Size

1024MB

DDR2

Memory Type

GDDR5

64bit

Memory Bus

128bit

6.400GB/s

Bandwidth

70.40GB/s

Render Config

2

Compute Units

14

-

40

Shading Units

800

4

TMUs

40

4

ROPs

16

-

L1 Cache

8 KB (per CU)

64 KB

L2 Cache

256 KB

-

Theoretical Performance

2.720 GPixel/s

Pixel Rate

12.80 GPixel/s

2.720 GTexel/s

Texture Rate

32.00 GTexel/s

-

54.40 GFLOPS

FP32 (float)

1280 GFLOPS

-

Board Design

Unknown

TDP

100W

-

Portable Device Dependent

Outputs

No outputs

-

Graphics Processor

M82

GPU Name

Broadway

M82-ME XT (216-0707009)

GPU Variant

Broadway XTX

TeraScale

Architecture

TeraScale 2

TSMC

Foundry

TSMC

55 nm

Process Size

40 nm

0.181 billion

Transistors

1.04 billion

67 mm²

Die Size

166 mm²

Graphics Features

10.1

DirectX

11.2 (11_0)

3.3

OpenGL

4.4

N/A

OpenCL

1.2

N/A

Vulkan

N/A

-

4.1

Shader Model

5.0

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