AMD Radeon HD 6770M Mac Edition vs AMD Radeon HD 7730M

VS

AMD Radeon HD 6770M Mac Edition

AMD Radeon HD 7730M

We compared two Mobile platform GPUs: 512MB VRAM Radeon HD 6770M Mac Edition and 2GB VRAM Radeon HD 7730M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6770M Mac Edition 's Advantages

Larger VRAM bandwidth (57.60GB/s vs 28.80GB/s)

AMD Radeon HD 7730M 's Advantages

Released 1 years and 3 months late

Boost Clock675MHz

More VRAM (2GB vs 512GB)

32 additional rendering cores

Lower TDP (25W vs 35W)

Score

Benchmark

FP32 (float)

Radeon HD 6770M Mac Edition

0.696 TFLOPS

Radeon HD 7730M

0.691 TFLOPS

Radeon HD 6770M Mac Edition

VS

Radeon HD 7730M

Graphics Card

Jan 2011

Release Date

Apr 2012

Vancouver

Generation

London

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

575 MHz

-

Boost Clock

675 MHz

900 MHz

Memory Clock

900 MHz

Memory

512MB

Memory Size

2GB

GDDR5

Memory Type

DDR3

128bit

Memory Bus

128bit

57.60GB/s

Bandwidth

28.80GB/s

Render Config

6

Compute Units

8

-

480

Shading Units

512

24

TMUs

32

8

ROPs

16

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

5.800 GPixel/s

Pixel Rate

10.80 GPixel/s

17.40 GTexel/s

Texture Rate

21.60 GTexel/s

-

696.0 GFLOPS

FP32 (float)

691.2 GFLOPS

-

FP64 (double)

43.20 GFLOPS

Board Design

35W

TDP

25W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Whistler

GPU Name

Chelsea

Whistler XT (216-0810001)

GPU Variant

Chelsea LE (216-0834065)

TeraScale 2

Architecture

GCN 1.0

TSMC

Foundry

TSMC

40 nm

Process Size

28 nm

0.716 billion

Transistors

1.5 billion

104 mm²

Die Size

123 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (11_1)

4.4

OpenGL

4.6

1.2

OpenCL

1.2

N/A

Vulkan

1.2

-

5.0

Shader Model

5.1

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