Canon
PowerShot G7 X Mark III
Pocket 1-inch compact with a 24–100mm f/1.8–2.8 zoom, 4K video, Dual Pixel AF, and live streaming — a classic vlog/travel camera.
$749
Launch priceReleased Jul 2019
Sony
Alpha 7R VI
66.8MP stacked full-frame high-resolution body with 30fps bursts, 8K 30p, 4K 120p, and Sony's AI processing unit.
$4,499
Launch priceReleased Jun 2026
Alpha 7R VI is 6.9 years newer.
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Wins
PowerShot G7 X Mark III
Wins
Alpha 7R VI
Which would you choose?
TL;DR — Key differences
- BAlpha 7R VI has higher AF points / zones (759 vs 0)
- BAlpha 7R VI has higher RAW buffer depth (150 frames vs 0 frames)
- BAlpha 7R VI has higher Max video bit rate (600 Mbps vs 120 Mbps)
- BAlpha 7R VI has higher 4K max frame rate (120 fps vs 30 fps)
- BAlpha 7R VI has higher Resolution (66.8 MP vs 20.1 MP)
Key specs at a glance
Size and weight, to scale
📸 Snap this size diff to sharePowerShot G7 X Mark III
105 × 61 × 41 mm
304 g (0.67 lb / 10.72 oz)
Credit card
85.6 × 54 mm
for scale
Alpha 7R VI
133 × 97 × 83 mm
713 g (1.57 lb / 25.15 oz)
PowerShot G7 X Mark III is 28mm narrower, 36mm shorter, and 42mm thinner than Alpha 7R VI.
PowerShot G7 X Mark III is 409 g lighter than Alpha 7R VI.
Depth (front-to-back): 41mm PowerShot G7 X Mark III · 83mm Alpha 7R VI
Back view, to scale
Width × Height — same proportions as the front of the body.
PowerShot G7 X Mark III
105 × 61 mm
Credit card
85.6 × 54 mm
Alpha 7R VI
133 × 97 mm
Top view, to scale
Width × Depth (front-to-back) — see which body is chunkier on the table.
PowerShot G7 X Mark III
105 × 41 mm
Credit card
85.6 × 54 mm
Alpha 7R VI
133 × 83 mm
Sensor size, to scale
PowerShot G7 X Mark III
13.2 × 8.8 mm · 1″
116 mm² area
Alpha 7R VI
35.9 × 24 mm · Full Frame
862 mm² area
7.4× larger sensor area = shallower depth of field and better low-light performance.
Lens ecosystem
Native lens selection
PowerShot G7 X Mark III: mount data unavailable
Alpha 7R VI
✓ more lensesSony E
350+
native lenses available
Counts include current first-party and major third-party native autofocus lenses.
Use-case scoring
Which one for what?
Algorithmic scores from verified specs · 10 = best in class
Why pick one over the other
Reasons to choose
PowerShot G7 X Mark III
Dimensions (W×H×D mm)
Adds 105, 60.9, 41.4
Card types
Adds SD UHS-I
Weight
304 g vs 713 g — lower is better
AA filter
Only PowerShot G7 X Mark III supports it
Reasons to choose
Alpha 7R VI
AF low-light limit
-6 EV vs -4 EV — lower is better
AF points / zones
759 vs 0 — higher is better
RAW buffer depth
150 frames vs 0 frames — higher is better
Dimensions (W×H×D mm)
Adds 132.7, 96.9, 82.9
Card types
Adds CFexpress Type A, SDXC UHS-II
Subject recognition
Adds Animal, Bird, Eye…
Max video bit rate
600 Mbps vs 120 Mbps — higher is better
Codecs
Adds XAVC HS, XAVC S, XAVC S-I…
Both cameras share
- ✓Eye AF — Both support eye af
- ✓Touchscreen — Both support touchscreen
- ✓Wi-Fi — Both support wi-fi
- ✓Bluetooth — Both support bluetooth
- ✓Microphone jack (3.5mm) — Both support microphone jack (3.5mm)
- ✓Headphone jack (3.5mm) — Both support headphone jack (3.5mm)
Pros & cons at a glance
Editorially curated highlights and trade-offs.
PowerShot G7 X Mark III
Pros
- ✓1-inch stacked 20.1MP sensor
- ✓24–100mm equivalent zoom (4.2×)
- ✓4K 30p and Full HD 120p
- ✓Dual Pixel CMOS AF
- ✓Live streaming support
Cons
- –Tilt-only screen (not fully articulating)
- –4K limited to 30fps
- –AF weaker than Sony ZV-1 for video
- –No built-in ND filter
Alpha 7R VI
Pros
- ✓66.8MP stacked full-frame sensor
- ✓30fps blackout-free electronic burst
- ✓8K 30p and 4K 120p video
- ✓5-axis sensor-shift stabilization
- ✓9.44M-dot HDR OLED EVF
Cons
- –Very expensive
- –Large files demand fast cards and storage
- –8K workflow can be heavy
Decided which one is right for you?
Compare live prices for the PowerShot G7 X Mark III and Alpha 7R VI at major authorized retailers.
Canon PowerShot G7 X Mark III
Sony Alpha 7R VI
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Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for landscape, PowerShot G7 X Mark III or Alpha 7R VI?
Alpha 7R VI scores 7.5/10 versus 0.0/10 for PowerShot G7 X Mark III — 66.8MP — massive detail for large prints.
What's the resolution difference between the PowerShot G7 X Mark III and Alpha 7R VI?
PowerShot G7 X Mark III is 20.1 MP and Alpha 7R VI is 66.8 MP, so the Alpha 7R VI captures more detail for cropping and large prints.
Do the PowerShot G7 X Mark III and Alpha 7R VI have in-body image stabilization?
PowerShot G7 X Mark III does not have IBIS, while Alpha 7R VI has in-body image stabilization.
Which shoots faster bursts — the PowerShot G7 X Mark III or the Alpha 7R VI?
PowerShot G7 X Mark III reaches 20 fps electronic. Alpha 7R VI reaches 30 fps electronic.
What's the weight difference between the PowerShot G7 X Mark III and Alpha 7R VI?
PowerShot G7 X Mark III weighs 304 g and Alpha 7R VI weighs 713 g, so the PowerShot G7 X Mark III is 409 g lighter.
Do the PowerShot G7 X Mark III and Alpha 7R VI record 4K video?
PowerShot G7 X Mark III: 4K up to 30p. Alpha 7R VI: 8K (max), 4K up to 120p.
Are the PowerShot G7 X Mark III and Alpha 7R VI weather sealed?
PowerShot G7 X Mark III: No. Alpha 7R VI: No.
Which has better battery life?
Rated battery life is 235 shots (CIPA) for the PowerShot G7 X Mark III and 600 shots for the Alpha 7R VI, giving the Alpha 7R VI the edge.
How much does each cost?
PowerShot G7 X Mark III launched at $749 and Alpha 7R VI at $4,499. The PowerShot G7 X Mark III is $3,750 less.
Can't decide between two? Compare a third camera.
Add any camera to get a three-way PowerShot G7 X Mark III vs Alpha 7R VI vs X comparison.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed June 2026.
Product images courtesy of Canon and Sony press materials.