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 7 IV
33MP hybrid all-rounder with 10-bit 4K 60p and AI-powered subject tracking.
$2,499
Launch priceReleased Oct 2021
Alpha 7 IV is 2.3 years newer.
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Wins
PowerShot G7 X Mark III
Wins
Alpha 7 IV
1 categories tied
Which would you choose?
TL;DR — Key differences
- BAlpha 7 IV has higher AF points / zones (759 vs 0)
- BAlpha 7 IV has higher RAW buffer depth (828 frames vs 0 frames)
- BAlpha 7 IV has higher IBIS effectiveness (5.5 stops vs 0 stops)
- BAlpha 7 IV has higher Max video bit rate (600 Mbps vs 120 Mbps)
- BAlpha 7 IV has higher ISO max (native) (51,200 vs 12,800)
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 7 IV
131 × 96 × 80 mm
658 g (1.45 lb / 23.21 oz)
PowerShot G7 X Mark III is 26mm narrower, 36mm shorter, and 38mm thinner than Alpha 7 IV.
PowerShot G7 X Mark III is 354 g lighter than Alpha 7 IV.
Depth (front-to-back): 41mm PowerShot G7 X Mark III · 80mm Alpha 7 IV
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 7 IV
131 × 96 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 7 IV
131 × 80 mm
Sensor size, to scale
PowerShot G7 X Mark III
13.2 × 8.8 mm · 1″
116 mm² area
Alpha 7 IV
35.9 × 23.9 mm · Full Frame
858 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 7 IV
✓ 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 658 g — lower is better
Burst (mechanical)
20 fps vs 10 fps — higher is better
Burst (electronic)
20 fps vs 10 fps — higher is better
Reasons to choose
Alpha 7 IV
AF points / zones
759 vs 0 — higher is better
RAW buffer depth
828 frames vs 0 frames — higher is better
IBIS effectiveness
5.5 stops vs 0 stops — higher is better
Dimensions (W×H×D mm)
Adds 131.3, 96.4, 79.8
Card types
Adds CFexpress Type A, SD UHS-II
Subject recognition
Adds Animal, Bird, Insect…
Max video bit rate
600 Mbps vs 120 Mbps — higher is better
Codecs
Adds XAVC HS, XAVC S, XAVC S-I…
Both cameras share
- ✓AA filter — Both support aa filter
- ✓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)
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 7 IV
Pros
- ✓33MP — more detail for cropping and print
- ✓10-bit 4K 60p (Super35 crop) / 4K 30p full-frame
- ✓Full-size HDMI port
- ✓759 phase-detect AF points
Cons
- –4K 60p requires Super35 crop
- –10fps burst lags behind R6 II at 40fps
- –Complex menu system
Decided which one is right for you?
Compare live prices for the PowerShot G7 X Mark III and Alpha 7 IV at major authorized retailers.
Canon PowerShot G7 X Mark III
Sony Alpha 7 IV
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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 7 IV?
Alpha 7 IV scores 7.5/10 versus 0.0/10 for PowerShot G7 X Mark III — 33MP — ample resolution.
What's the resolution difference between the PowerShot G7 X Mark III and Alpha 7 IV?
PowerShot G7 X Mark III is 20.1 MP and Alpha 7 IV is 33 MP, so the Alpha 7 IV captures more detail for cropping and large prints.
Do the PowerShot G7 X Mark III and Alpha 7 IV have in-body image stabilization?
PowerShot G7 X Mark III does not have IBIS, while Alpha 7 IV has 5.5-stop in-body image stabilization.
Which shoots faster bursts — the PowerShot G7 X Mark III or the Alpha 7 IV?
PowerShot G7 X Mark III reaches 20 fps electronic. Alpha 7 IV reaches 10 fps electronic.
What's the weight difference between the PowerShot G7 X Mark III and Alpha 7 IV?
PowerShot G7 X Mark III weighs 304 g and Alpha 7 IV weighs 658 g, so the PowerShot G7 X Mark III is 354 g lighter.
Do the PowerShot G7 X Mark III and Alpha 7 IV record 4K video?
PowerShot G7 X Mark III: 4K up to 30p. Alpha 7 IV: 4K up to 60p.
Are the PowerShot G7 X Mark III and Alpha 7 IV weather sealed?
PowerShot G7 X Mark III: No. Alpha 7 IV: Yes.
Which has better battery life?
Rated battery life is 235 shots (CIPA) for the PowerShot G7 X Mark III and 580 shots for the Alpha 7 IV, giving the Alpha 7 IV the edge.
How much does each cost?
PowerShot G7 X Mark III launched at $749 and Alpha 7 IV at $2,499. The PowerShot G7 X Mark III is $1,750 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 7 IV 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.