Canon PowerShot G3 X Detailed Review

Canon PowerShot G3 X

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In additional PowerShot G3 X was introduced by Canon in June 2015. It belongs to the enthusiast Compacts category.

Canon is well-known and shouldn’t require further introduction, please see our manufacturer’s page for more digital cameras by Canon.

Brand Canon
Category Compact
Date 06/2015
Sensor Properties

Also PowerShot G3 X has a 1″ CMOS sensor with size of 13 x 9 mm² (0.52″ x 0.35″).

Picture of PowerShot G3 X’s sensor compared to popular format.

Infographic: PowerShot G3 X comparing sensor sizes

The 1-Euro coin has a diameter of 23.25mm.

The PowerShot G3 X’s sensor has resolution of 20 megapixel.

Format 1″
Sensor area 13.20 x 8.80mm²
(0.52″ x 0.35″)
Resolution (physical) 20.90 megapixel
Resolution (effective) 20.20 megapixel
Pixel size 5.81 µm²
Sensor cleaning
RAW support
Continuous 6 frames/second
Focal length (min) 24mm
Focal length (max) 600mm
Aperture (max) 2.8
Aperture (min) 5.6
Viewfinder Properties

The PowerShot G3 X does not come with a built-in viewfinder. The camera’s display is used to compose the photo. That can be cumbersome in broad daylight.


The PowerShot G3 X’s shutter speed varies from 1/2000s to 30s.

The highest shutter speed of the Canon is just 1/2000s. That’s no longer state of the art and may cause problems in challenging light conditions.

Max. shutter speed 1/2000s
Min. shutter speed 30s
Sensitivity Properties

The PowerShot G3 X’s sensitivity goes from 125 ISO und 12800 ISO, a very useful and practical range.

Min. sensitivity 125 ISO
Max. sensitivity 12800 ISO
Exposure Modes

The PowerShot G3 X supports all general exposure modes.

The Canon allows spot exposure for the difficult occasion.

Center weight
Auto Focus Properties

The PowerShot G3 X’s auto focus processor uses 31 AF points (or sensors). A basic rule of thumb says that the more AF points you have, the better. More AF points mean a better chance to have a point at the location of interest in a scene, a big plus in challenging situations (e.g. with low contrast subjects).

Manual focus is also possible with the Canon, a plus in tricky situations or for some creative freedom.

Type TTL
AF points 31
Manual focusing
Flash Specs

The PowerShot G3 X has a built-in flash with a diapason of up to 7m (23 ft.). That range will fit for almost all occasion.

Range 6.80m
(23 ft.)
Hot shoe
Display Specs
PowerShot G3 X display and touch screen

The PowerShot G3 X features a monitor with a diagonal of 80.00mm (3.1 in.) and a resolution of c. 1.62 megapixel. A resonable value that will make it easy to evaluate images directly in-camera.

The camera’s display is articulated, a plus for selfies and other challenging situations.

The PowerShot G3 X’s monitor can work as a touch screen, just like a smartphone. That can be very useful, for example to pick AF points, but keep in mind that touch screens usually don’t work when wearing gloves.

Display characteristics at a glance:

Type LCD
Size 80.00mm (diagonal)
(3.1 in.)
Resolution 1.62 megapixel
Touch screen
Video Specs

PowerShot G3 X video supported the resolution with 1920 x 1080 pixel.

Also the camera is equipped with an external microphone.

Canon PowerShot G3 X Video parameters:

Max. resolution 1920 x 1080 pixel
…with frame rates 24 frames/second
25 frames/second
30 frames/second
50 frames/second
60 frames/second
External microphone
Connectivity & Wireless Specs

The PowerShot G3 X has Wifi connectivity already built-in. Use Wifi to transfer images to a smartphone or computer and to remote control the camera. With NFC, camera and smartphone can be paired without the need for passwords.

Connect the Canon to a monitor or TV set over HDMI.

The Canon supports USB 2.0.

Connection parameters:

Remote (wired)
Remote (infrared)
HDMI (standard)
HDMI (mini)
HDMI (micro)
USB 2.0
USB 3.0
USB Micro
USB Mini

The camera supports SD HC and SD XC cards.

Memory cards characteristics:

Slots 1
Memory cards SD

The Canon PowerShot G3 X has a NB-10L LiIon battery. The battery provides a shooting life of 300 shots. It`s enough for one day or more.

The battery can be charged over USB while in camera. Very useful, especially on vacation when most people bring a USB charger for their smartphone anyway.

The PowerShot G3 X’s battery battery parameters:

Type NB-10L LiIon
In-camera charging
Battery life 300 photos

The Canon PowerShot G3 X’s dimensions are 123.3 x 76.5 x 105.3mm³. (4.9″ x 3.0″ x 4.1″). This includes the lens. The camera’s weight is a reasonable 733 grams (23.6 oz.), lens included.

Here is front and top view of the PowerShot G3 X:

Canon PowerShot G3 X Dimensions (Width / Height)
Canon PowerShot G3 X Dimensions (Width / Depth)
Dimensions Comparison

To put the size of the camera in context, here it is next to a typical ID card (c. 86mm x 55mm, about the size of a credit card).

The PowerShot G3 X is not much bigger:

Canon PowerShot G3 X size comparison

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