AMD Radeon HD 6750M Mac Edition vs AMD Radeon HD 7470A

VS

AMD Radeon HD 6750M Mac Edition

AMD Radeon HD 7470A

We compared two Mobile platform GPUs: 512MB VRAM Radeon HD 6750M Mac Edition and 512MB VRAM Radeon HD 7470A to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6750M Mac Edition 's Advantages

Larger VRAM bandwidth (50.82GB/s vs 12.80GB/s)

320 additional rendering cores

AMD Radeon HD 7470A 's Advantages

Released 9 months late

Lower TDP (25W vs 35W)

Score

Benchmark

FP32 (float)

Radeon HD 6750M Mac Edition +187%

0.574 TFLOPS

Radeon HD 7470A

0.2 TFLOPS

Radeon HD 6750M Mac Edition

VS

Radeon HD 7470A

Graphics Card

Apr 2011

Release Date

Jan 2012

Vancouver

Generation

All-In-One

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

MXM-A (3.0)

Clock Speeds

-

794 MHz

Memory Clock

800 MHz

Memory

512MB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

64bit

50.82GB/s

Bandwidth

12.80GB/s

Render Config

6

Compute Units

2

-

480

Shading Units

160

24

TMUs

8

ROPs

4

-

8 KB (per CU)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

128 KB

-

Theoretical Performance

4.784 GPixel/s

Pixel Rate

2.500 GPixel/s

14.35 GTexel/s

Texture Rate

5.000 GTexel/s

-

574.1 GFLOPS

FP32 (float)

200.0 GFLOPS

-

Board Design

35W

TDP

25W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Whistler

GPU Name

Caicos

Whistler PRO (216-0810005)

GPU Variant

-

TeraScale 2

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

0.716 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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