ATI Mobility Radeon HD 5830 vs ATI Mobility Radeon HD 3450

VS

ATI Mobility Radeon HD 5830

ATI Mobility Radeon HD 3450

We compared two Mobile platform GPUs: 1024MB VRAM Mobility Radeon HD 5830 and 256MB VRAM Mobility Radeon HD 3450 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Mobility Radeon HD 5830 's Advantages

Released 2 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)

Mobility Radeon HD 5830 +1900%

0.8 TFLOPS

Mobility Radeon HD 3450

0.04 TFLOPS

Mobility Radeon HD 5830

VS

Mobility Radeon HD 3450

Graphics Card

Jan 2010

Release Date

Jan 2008

Manhattan

Generation

M8x

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

MXM-II

Clock Speeds

-

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

10

Compute Units

2

-

800

Shading Units

40

TMUs

4

16

ROPs

4

-

8 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

64 KB

-

Theoretical Performance

8.000 GPixel/s

Pixel Rate

2.000 GPixel/s

20.00 GTexel/s

Texture Rate

2.000 GTexel/s

-

800.0 GFLOPS

FP32 (float)

40.00 GFLOPS

-

Board Design

24W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Graphics Processor

Broadway

GPU Name

M82

Broadway LE

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

Graphics Features

11.2 (11_0)

DirectX

10.1

4.4

OpenGL

3.3

1.2

OpenCL

N/A

Vulkan

N/A

-

5.0

Shader Model

4.1

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