AMD Radeon HD 6770M Mac Edition vs ATI Mobility Radeon HD 5770

VS

AMD Radeon HD 6770M Mac Edition

ATI Mobility Radeon HD 5770

We compared two Mobile platform GPUs: 512MB VRAM Radeon HD 6770M Mac Edition and 1024MB VRAM Mobility Radeon HD 5770 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

Released 1 years late

Larger VRAM bandwidth (57.60GB/s vs 51.20GB/s)

80 additional rendering cores

ATI Mobility Radeon HD 5770 's Advantages

More VRAM (1024GB vs 512GB)

Lower TDP (30W vs 35W)

Score

Benchmark

FP32 (float)

Radeon HD 6770M Mac Edition +33%

0.696 TFLOPS

Mobility Radeon HD 5770

0.52 TFLOPS

Radeon HD 6770M Mac Edition

VS

Mobility Radeon HD 5770

Graphics Card

Jan 2011

Release Date

Jan 2010

Vancouver

Generation

Manhattan

Mobile

Type

Mobile

MXM-A (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

900 MHz

Memory Clock

800 MHz

Memory

512MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

57.60GB/s

Bandwidth

51.20GB/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

5.800 GPixel/s

Pixel Rate

5.200 GPixel/s

17.40 GTexel/s

Texture Rate

13.00 GTexel/s

-

696.0 GFLOPS

FP32 (float)

520.0 GFLOPS

-

Board Design

35W

TDP

30W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Whistler

GPU Name

Madison

Whistler XT (216-0810001)

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

104 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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