ATI Mobility Radeon HD 5850 Mac Edition vs AMD Radeon HD 6770M Mac Edition

VS

ATI Mobility Radeon HD 5850 Mac Edition

AMD Radeon HD 6770M Mac Edition

We compared two Mobile platform GPUs: 1024MB VRAM Mobility Radeon HD 5850 Mac Edition and 512MB VRAM Radeon HD 6770M Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Mobility Radeon HD 5850 Mac Edition 's Advantages

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (64.00GB/s vs 57.60GB/s)

320 additional rendering cores

Lower TDP (30W vs 35W)

AMD Radeon HD 6770M Mac Edition 's Advantages

Released 1 years late

Score

Benchmark

FP32 (float)

Mobility Radeon HD 5850 Mac Edition +44%

1.005 TFLOPS

Radeon HD 6770M Mac Edition

0.696 TFLOPS

Mobility Radeon HD 5850 Mac Edition

VS

Radeon HD 6770M Mac Edition

Graphics Card

Jan 2010

Release Date

Jan 2011

Manhattan

Generation

Vancouver

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

MXM-A (3.0)

Clock Speeds

-

1000 MHz

Memory Clock

900 MHz

Memory

1024MB

Memory Size

512MB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

128bit

64.00GB/s

Bandwidth

57.60GB/s

Render Config

10

Compute Units

6

-

800

Shading Units

480

40

TMUs

24

16

ROPs

8

-

8 KB (per CU)

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

256 KB

-

Theoretical Performance

10.05 GPixel/s

Pixel Rate

5.800 GPixel/s

25.12 GTexel/s

Texture Rate

17.40 GTexel/s

-

1005 GFLOPS

FP32 (float)

696.0 GFLOPS

-

Board Design

30W

TDP

35W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Broadway

GPU Name

Whistler

Broadway PRO (216-0769024)

GPU Variant

Whistler XT (216-0810001)

TeraScale 2

Architecture

TeraScale 2

TSMC

Foundry

TSMC

40 nm

Process Size

40 nm

1.04 billion

Transistors

0.716 billion

166 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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