AMD Radeon HD 6670A vs ATI Mobility Radeon HD 5670 Mac Edition

VS

AMD Radeon HD 6670A

ATI Mobility Radeon HD 5670 Mac Edition

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 6670A and 512MB VRAM Mobility Radeon HD 5670 Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6670A 's Advantages

Released 1 years late

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (64.00GB/s vs 25.44GB/s)

80 additional rendering cores

ATI Mobility Radeon HD 5670 Mac Edition 's Advantages

Lower TDP (15W vs 45W)

Score

Benchmark

FP32 (float)

Radeon HD 6670A +10%

0.576 TFLOPS

Mobility Radeon HD 5670 Mac Edition

0.52 TFLOPS

Radeon HD 6670A

VS

Mobility Radeon HD 5670 Mac Edition

Graphics Card

Apr 2011

Release Date

Apr 2010

All-In-One

Generation

Manhattan

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1000 MHz

Memory Clock

795 MHz

Memory

1024MB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

128bit

64.00GB/s

Bandwidth

25.44GB/s

Render Config

6

Compute Units

5

-

480

Shading Units

400

24

TMUs

20

8

ROPs

8

-

8 KB (per CU)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

4.800 GPixel/s

Pixel Rate

5.200 GPixel/s

14.40 GTexel/s

Texture Rate

13.00 GTexel/s

-

576.0 GFLOPS

FP32 (float)

520.0 GFLOPS

-

Board Design

45W

TDP

15W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Turks

GPU Name

Madison

Turks XT (215-0803000)

GPU Variant

Madison XT (216-0772003)

TeraScale 2

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.716 billion

Transistors

0.627 billion

118 mm²

Die Size

104 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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