ATI Mobility Radeon HD 5850 Mac Edition vs ATI Mobility Radeon HD 4650

VS

ATI Mobility Radeon HD 5850 Mac Edition

ATI Mobility Radeon HD 4650

We compared two Mobile platform GPUs: 1024MB VRAM Mobility Radeon HD 5850 Mac Edition and 512MB VRAM Mobility Radeon HD 4650 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

Released 1 years late

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (64.00GB/s vs 19.20GB/s)

480 additional rendering cores

Lower TDP (30W vs 35W)

Score

Benchmark

FP32 (float)

Mobility Radeon HD 5850 Mac Edition +214%

1.005 TFLOPS

Mobility Radeon HD 4650

0.32 TFLOPS

Mobility Radeon HD 5850 Mac Edition

VS

Mobility Radeon HD 4650

Graphics Card

Jan 2010

Release Date

Jan 2009

Manhattan

Generation

M9x

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1000 MHz

Memory Clock

600 MHz

Memory

1024MB

Memory Size

512MB

GDDR5

Memory Type

DDR2

128bit

Memory Bus

128bit

64.00GB/s

Bandwidth

19.20GB/s

Render Config

10

Compute Units

4

-

800

Shading Units

320

40

TMUs

32

16

ROPs

8

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

128 KB

-

Theoretical Performance

10.05 GPixel/s

Pixel Rate

4.000 GPixel/s

25.12 GTexel/s

Texture Rate

16.00 GTexel/s

-

1005 GFLOPS

FP32 (float)

320.0 GFLOPS

-

Board Design

30W

TDP

35W

-

No outputs

Outputs

No outputs

-

Graphics Processor

Broadway

GPU Name

M96

Broadway PRO (216-0769024)

GPU Variant

-

TeraScale 2

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

1.04 billion

Transistors

0.514 billion

166 mm²

Die Size

146 mm²

Graphics Features

11.2 (11_0)

DirectX

10.1 (10_1)

4.4

OpenGL

3.3

1.2

OpenCL

1.1

N/A

Vulkan

N/A

-

5.0

Shader Model

4.1

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