Version comparison

CS4

CS3

Revolutionary image editing

Adjustments panel

yes

no

Masks panel

yes

no

Nondestructive editing

Smart Objects

yes

yes

Smart Filters

yes

yes

Professional colour and tone control

Industry-leading color correction

yes

yes

Black-and-white conversion

yes

yes

Channel Mixer

yes

yes

32-bit high dynamic range (HDR) support

yes

yes

Intelligent image editing and enhancement

Content-Aware Scaling

yes

no

Richer painting and drawing toolset

yes

yes

Expert retouching

yes

yes

Vanishing Point

yes

yes

Advanced compositing

Extended depth of field

yes

no

360-degree panoramas

yes

yes

Auto-alignment of layers

yes

yes

Auto-blending of images

yes

yes

Flexible layers

yes

yes

Quick Selection tool

yes

yes

Efficient and flexible work environment

Fluid canvas rotation

yes

no

Smoother panning and zooming

yes

no

N-up and multiple document view

yes

no

Multi-Touch support on Mac laptops

yes

no

Profiles to support the color-blind

yes

no

Higher performance on very large images (Windows only)

yes

yes

Efficient file management with Adobe Bridge CS4

yes

yes

More powerful printing options

yes

yes

Panel management

yes

yes

Customized workspaces

yes

yes

One-click color adjustment

yes

yes

Streamlined workflow

Better raw image processing

yes

yes

Improved Adobe Photoshop Lightroom® workflow

yes

yes

Broad file format support

yes

yes

Adobe PDF file support

yes

yes

Automated production

yes

yes

History panel and Edit History log

yes

yes

Mobile device support

yes

yes

High-resolution web display

yes

yes