Canon G7 X Mark III vs Mark II: What Changed

The Canon PowerShot G7 X Mark III keeps the Mark II’s 20.1-megapixel 1.0-inch sensor size and 24–100mm equivalent f/1.8–2.8 lens, then changes the sensor design, processor, video and burst. It adds a stacked sensor, a DIGIC 8 processor, 4K video, a 3.5mm microphone input and a much faster burst. The main differences between the two are in video.

The Canon PowerShot G7 X Mark III in Black is the model to start with, and the full Canon range at PUSHAS sits one click away.

Sensor and processor

Both cameras use a 1.0-inch type sensor with about 20.1 effective megapixels. The difference is the construction. Canon lists the Mark III sensor as stacked CMOS, while the Mark II uses a back-illuminated CMOS design. TechRadar and Photography Blog both describe the stacked design as new for the Mark III.

The processor moves from DIGIC 7 in the Mark II to DIGIC 8 in the Mark III, according to Canon and Photography Blog.

Video: where the gap is widest

This is the real split. Canon lists the Mark II with Full HD (1920x1080) as its top video mode. TechRadar’s Mark II review confirms there is no 4K. The Mark III records 4K movies, and TechRadar reports 4K up to 30p with no crop, plus Full HD at up to 120 frames per second for slow motion.

The Mark III also adds a 3.5mm microphone input, listed by Canon and flagged as new by TechRadar.

On livestreaming, Canon lists YouTube live streaming for the Mark III but adds a caveat: cameras shipped from August 2025 omit the function, while earlier cameras can get it through optional firmware. TechRadar lists it as a new feature of the Mark III. Treat it as dependent on when the camera shipped and check Canon’s notes.

Lens and screen: largely the same

Canon lists both cameras with a 24–100mm equivalent lens at f/1.8–2.8, and TechRadar confirms the match in both reviews.

Both have a 3.0-inch tilting touchscreen of roughly 1,040,000 dots, per Canon. For the black and silver finishes, see Canon G7 X Mark III: black vs silver.

Burst and power

Canon lists continuous shooting of about 8 frames per second for the Mark II. For the Mark III it lists about 20 frames per second without autofocus, about 8 with autofocus (JPEG), and a 30 fps RAW Burst mode. TechRadar reports the same 20 fps and 8 fps with autofocus figures.

Canon rates the Mark III at about 265 shots per charge, and TechRadar gives the same figure. The two sources disagree on the Mark II battery figure, so no battery comparison is made here.

Spec comparison

Spec	G7 X Mark II	G7 X Mark III
Sensor	1.0-type back-illuminated CMOS, about 20.1MP	1.0-type stacked CMOS, about 20.1MP
Processor	DIGIC 7	DIGIC 8
Lens	24–100mm equivalent, f/1.8–2.8	24–100mm equivalent, f/1.8–2.8
Video	Full HD, no 4K	4K, plus Full HD up to 120 fps
Burst	About 8 fps	About 20 fps without AF, about 8 fps with AF
Microphone input	Not listed by Canon	3.5mm
Screen	3.0-inch tilting touchscreen	3.0-inch tilting touchscreen

Who each camera suits

The Mark II suits someone who needs Full HD video and no external microphone. The Mark III suits anyone who wants 4K, a mic input or the faster burst.

Who it is built for

If you want	Built for	Pick
4K video and a mic input	4K, 3.5mm mic input	G7 X Mark III
A faster burst	About 20 fps without AF	G7 X Mark III
The same lens and sensor size	24–100mm equivalent f/1.8–2.8, 1.0-inch type sensor	Either; both share the lens
Full HD video	Full HD, no 4K	G7 X Mark II

Live now at PUSHAS

Stock as of 17 October 2026. The Canon PowerShot G7 X Mark III is in stock in black and silver. Every camera is authenticated by hand, so you can shop with confidence. The live listing shows the current price. Start with the G7 X Mark III in Black.

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FAQ

Is the Canon G7 X Mark III better than the Mark II?

For video and burst shooting, yes: the Mark III adds 4K, a stacked sensor, DIGIC 8, a 3.5mm microphone input and a 20 fps burst without autofocus. For stills with the same 24–100mm equivalent f/1.8–2.8 lens, the two share the same pixel count and zoom range.

Does the G7 X Mark II shoot 4K?

No. Canon lists Full HD as the top video resolution for the G7 X Mark II, and TechRadar's review also notes no 4K. The Mark III records 4K.

Do the G7 X Mark II and Mark III have the same lens?

Yes. Both have a 24–100mm equivalent f/1.8–2.8 zoom lens.

Does the G7 X Mark III have a microphone input?

Yes. Canon lists a 3.5mm microphone input on the Mark III, and TechRadar describes it as new compared with the Mark II.

Can the G7 X Mark III livestream to YouTube?

Canon lists YouTube live streaming for the Mark III, but says cameras shipped from August 2025 omit it, while earlier cameras can add it with optional firmware. Check Canon's current notes for your camera.