Main
Model
Price
Advantages
launch
Announced
Body type
Camera subcategory
Sensor
Effective pixels
Max resolution
Sensor size
Sensor type
Image ratio w:h
Other resolutions
Sensor photo detectors
Image
ISO
White balance presets
Custom white balance
Image stabilization
Uncompressed format
JPEG quality levels
Photography features
Minimum shutter speed
Maximum shutter speed
Aperture priority
Shutter priority
Built-in flash
Flash range
External flash
Flash modes
Continuous drive
Self-timer
Exposure compensation
Screen / viewfinder
Screen size
Screen dots
Touch screen
Live view
Viewfinder type
Videography features
Resolutions
Optics & Focus
Focal length (equiv.)
Optical zoom
Maximum aperture
Autofocus
Digital zoom
Manual focus
Normal focus range
Macro focus range
Number of focus points
Physical
Weight (inc. batteries)
Dimensions
Environmentally sealed
Battery
Battery details
Storage
Storage types
Storage included
Connectivity
USB
HDMI
Remote control
Other features
Orientation sensor
Timelapse recording
Samples
Videos
Summary
The Canon PowerShot G7 maximum resolution of 3648 x 2736 pixels (10 megapixels) is better than the PowerShot G1 maximum resolution of 2048 x 1536 pixels (3 megapixels). The Canon PowerShot G7 offers a wider ISO range of 100-1600 than 100-400 ISO range of the PowerShot G1. Such ISO range allow you to produce good quality photos in more difficult conditions. The Canon PowerShot G7 has more number of white balance presets - 6. This specification gives the photographer more control over colour. The Canon PowerShot G7 provides image stabilization which will help the camera owner to produce sharp pictures when he or she has naturally shaky hands. The PowerShot G7 offers better 6x optical zoom.
The Canon PowerShot G7 provides better minimum (15 seconds) and fastest (1/2500 second) shutter speeds.
The PowerShot G7 weighs 380g which is 110g less than the weight of the PowerShot G1.
Taking into account the above differences the Canon PowerShot G7 is the best choice. Get the lowest price on Amazon.