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
Leica
Q3
Full-frame fixed 28mm f/1.7 premium compact for documentary and travel.
$5,995
Launch priceReleased May 2023
Q3 is 3.9 years newer.
Affiliate disclosure: As an Amazon Associate, Cameraegg earns from qualifying purchases. Cameraegg may also earn commission from B&H links, at no extra cost to you.
Wins
PowerShot G7 X Mark III
Wins
Q3
1 categories tied
Which would you choose?
TL;DR — Key differences
- BQ3 has higher ISO max (native) (100,000 vs 12,800)
- APowerShot G7 X Mark III has higher Burst (mechanical) (20 fps vs 4 fps)
- BQ3 has higher Resolution (60.3 MP vs 20.1 MP)
- BQ3 has lower ISO min (native) (50 vs 125)
- APowerShot G7 X Mark III has lower Weight (304 g vs 743 g)
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
Q3
130 × 80 × 92 mm
743 g (1.64 lb / 26.21 oz)
PowerShot G7 X Mark III is 25mm narrower, 19mm shorter, and 51mm thinner than Q3.
PowerShot G7 X Mark III is 439 g lighter than Q3.
Depth (front-to-back): 41mm PowerShot G7 X Mark III · 92mm Q3
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
Q3
130 × 80 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
Q3
130 × 92 mm
Sensor size, to scale
PowerShot G7 X Mark III
13.2 × 8.8 mm · 1″
116 mm² area
Q3
36 × 24 mm · Full Frame
864 mm² area
7.4× larger sensor area = shallower depth of field and better low-light performance.
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
Burst (mechanical)
20 fps vs 4 fps — higher is better
Weight
304 g vs 743 g — lower is better
AA filter
Only PowerShot G7 X Mark III supports it
Microphone jack (3.5mm)
Only PowerShot G7 X Mark III supports it
Headphone jack (3.5mm)
Only PowerShot G7 X Mark III supports it
Burst (electronic)
20 fps vs 15 fps — higher is better
Reasons to choose
Q3
Dimensions (W×H×D mm)
Adds 130, 80, 92
Card types
Adds SD UHS-II
ISO max (native)
100,000 vs 12,800 — higher is better
Subject recognition
Adds Face, Eye, Animal
Resolution
60.3 MP vs 20.1 MP — higher is better
Codecs
Adds H.265, ProRes
ISO min (native)
50 vs 125 — lower is better
Animal / bird AF
Only Q3 supports it
Both cameras share
- ✓Eye AF — Both support eye af
- ✓Card slots — Both 1
- ✓Touchscreen — Both support touchscreen
- ✓Wi-Fi — Both support wi-fi
- ✓Bluetooth — Both support bluetooth
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
Q3
Pros
- ✓60MP full-frame
- ✓Summilux 28mm lens
- ✓Built like a tank
- ✓Unique aesthetic
Cons
- –Fixed lens
- –Very expensive
- –No interchangeable system
Decided which one is right for you?
Compare live prices for the PowerShot G7 X Mark III and Q3 at major authorized retailers.
Canon PowerShot G7 X Mark III
Affiliate disclosure: As an Amazon Associate, Cameraegg earns from qualifying purchases. Cameraegg may also earn commission from B&H links, at no extra cost to you.
Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for landscape, PowerShot G7 X Mark III or Q3?
Q3 scores 8.0/10 versus 0.0/10 for PowerShot G7 X Mark III — 60.3MP — massive detail for large prints.
What's the resolution difference between the PowerShot G7 X Mark III and Q3?
PowerShot G7 X Mark III is 20.1 MP and Q3 is 60.3 MP, so the Q3 captures more detail for cropping and large prints.
How does stabilization compare between the PowerShot G7 X Mark III and Q3?
PowerShot G7 X Mark III does not have IBIS, while Q3 does not have IBIS.
Which shoots faster bursts — the PowerShot G7 X Mark III or the Q3?
PowerShot G7 X Mark III reaches 20 fps electronic. Q3 reaches 15 fps electronic.
What's the weight difference between the PowerShot G7 X Mark III and Q3?
PowerShot G7 X Mark III weighs 304 g and Q3 weighs 743 g, so the PowerShot G7 X Mark III is 439 g lighter.
Do the PowerShot G7 X Mark III and Q3 record 4K video?
PowerShot G7 X Mark III: 4K up to 30p. Q3: 8K (max), 4K up to 60p.
Are the PowerShot G7 X Mark III and Q3 weather sealed?
PowerShot G7 X Mark III: No. Q3: Yes.
Which has better battery life?
Rated battery life is 235 shots (CIPA) for the PowerShot G7 X Mark III and 350 shots for the Q3, giving the Q3 the edge.
How much does each cost?
PowerShot G7 X Mark III launched at $749 and Q3 at $5,995. The PowerShot G7 X Mark III is $5,246 less.
Can't decide between two? Compare a third camera.
Add any camera to get a three-way PowerShot G7 X Mark III vs Q3 vs X comparison.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed June 2026.
Product images courtesy of Canon and Leica press materials.