ATI Mobility Radeon HD 5670 Mac Edition vs ATI Mobility Radeon HD 3450

VS

ATI Mobility Radeon HD 5670 Mac Edition

ATI Mobility Radeon HD 3450

We compared two Mobile platform GPUs: 512MB VRAM Mobility Radeon HD 5670 Mac Edition 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 5670 Mac Edition 's Advantages

Released 2 years and 3 months late

More VRAM (512GB vs 256GB)

Larger VRAM bandwidth (25.44GB/s vs 6.400GB/s)

360 additional rendering cores

Score

Benchmark

FP32 (float)

Mobility Radeon HD 5670 Mac Edition +1200%

0.52 TFLOPS

Mobility Radeon HD 3450

0.04 TFLOPS

Mobility Radeon HD 5670 Mac Edition

VS

Mobility Radeon HD 3450

Graphics Card

Apr 2010

Release Date

Jan 2008

Manhattan

Generation

M8x

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

MXM-II

Clock Speeds

-

795 MHz

Memory Clock

400 MHz

Memory

512MB

Memory Size

256MB

GDDR3

Memory Type

DDR2

128bit

Memory Bus

64bit

25.44GB/s

Bandwidth

6.400GB/s

Render Config

5

Compute Units

2

-

400

Shading Units

40

20

TMUs

4

8

ROPs

4

-

8 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

64 KB

-

Theoretical Performance

5.200 GPixel/s

Pixel Rate

2.000 GPixel/s

13.00 GTexel/s

Texture Rate

2.000 GTexel/s

-

520.0 GFLOPS

FP32 (float)

40.00 GFLOPS

-

Board Design

15W

TDP

Unknown

-

No outputs

Outputs

Portable Device Dependent

-

Graphics Processor

Madison

GPU Name

M82

Madison XT (216-0772003)

GPU Variant

M82-SCE XT (216-0707011)

TeraScale 2

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

0.627 billion

Transistors

0.181 billion

104 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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