AMD Radeon HD 6990M Rebrand vs ATI Mobility Radeon HD 3450

VS

AMD Radeon HD 6990M Rebrand ATI Mobility Radeon HD 3450

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6990M Rebrand and 256MB VRAM Mobility Radeon HD 3450 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)

Radeon HD 6990M Rebrand +3100%

1.28 TFLOPS

Mobility Radeon HD 3450

0.04 TFLOPS

Radeon HD 6990M Rebrand

VS

Mobility Radeon HD 3450

Graphics Card

Jul 2011

Release Date

Jan 2008

Vancouver

Generation

M8x

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

MXM-II

Clock Speeds

-

Base Clock

-

Boost Clock

-

1100 MHz

Memory Clock

400 MHz

Memory

1024MB

Memory Size

256MB

GDDR5

Memory Type

DDR2

128bit

Memory Bus

64bit

70.40GB/s

Bandwidth

6.400GB/s

Render Config

-

SM Count

-

14

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

12.80 GPixel/s

Pixel Rate

2.000 GPixel/s

32.00 GTexel/s

Texture Rate

2.000 GTexel/s

-

FP16 (half)

-

1280 GFLOPS

FP32 (float)

40.00 GFLOPS

-

FP64 (double)

-

Graphics Processor

Broadway

GPU Name

M82

Broadway XTX

GPU Variant

M82-SCE XT (216-0707011)

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

100W

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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