ATI Mobility Radeon HD 5670 Mac Edition vs AMD Radeon HD 6450A

VS

ATI Mobility Radeon HD 5670 Mac Edition

AMD Radeon HD 6450A

We compared two Mobile platform GPUs: 512MB VRAM Mobility Radeon HD 5670 Mac Edition and 512MB VRAM Radeon HD 6450A 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

Larger VRAM bandwidth (25.44GB/s vs 8.528GB/s)

240 additional rendering cores

Lower TDP (15W vs 25W)

AMD Radeon HD 6450A 's Advantages

Released 1 years late

Score

Benchmark

FP32 (float)

Mobility Radeon HD 5670 Mac Edition +160%

0.52 TFLOPS

Radeon HD 6450A

0.2 TFLOPS

Mobility Radeon HD 5670 Mac Edition

VS

Radeon HD 6450A

Graphics Card

Apr 2010

Release Date

Apr 2011

Manhattan

Generation

All-In-One

Mobile

Type

Mobile

PCIe 2.0 x16

Bus Interface

MXM-A (3.0)

Clock Speeds

-

795 MHz

Memory Clock

533 MHz

Memory

512MB

Memory Size

512MB

GDDR3

Memory Type

DDR3

128bit

Memory Bus

64bit

25.44GB/s

Bandwidth

8.528GB/s

Render Config

5

Compute Units

2

-

400

Shading Units

160

20

TMUs

8

ROPs

4

-

8 KB (per CU)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

128 KB

-

Theoretical Performance

5.200 GPixel/s

Pixel Rate

2.500 GPixel/s

13.00 GTexel/s

Texture Rate

5.000 GTexel/s

-

520.0 GFLOPS

FP32 (float)

200.0 GFLOPS

-

Board Design

15W

TDP

25W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Madison

GPU Name

Caicos

Madison XT (216-0772003)

GPU Variant

-

TeraScale 2

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.627 billion

Transistors

0.37 billion

104 mm²

Die Size

67 mm²

Graphics Features

11.2 (11_0)

DirectX

11.2 (11_0)

4.4

OpenGL

4.4

1.2

OpenCL

1.2

N/A

Vulkan

N/A

-

5.0

Shader Model

5.0

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