Fujifilm
X100
The original fixed-lens premium compact that launched the X100 line and Fujifilm's modern revival.
$1,199
Launch priceReleased Feb 2011

Leica
Q3
Full-frame fixed 28mm f/1.7 premium compact for documentary and travel.
$5,995
Launch priceReleased May 2023
Q3 is 12.3 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
X100
Wins
Q3
3 categories tied
Which would you choose?
TL;DR — Key differences
- BQ3 has higher Resolution (60.3 MP vs 12.3 MP)
- BQ3 has higher ISO max (native) (100,000 vs 25,600)
- BQ3 has lower ISO min (native) (50 vs 100)
- AX100 has higher Card slots (2 vs 1)
- AX100 has higher Battery life (CIPA) (640 shots vs 350 shots)
Key specs at a glance
Size and weight, to scale
📸 Snap this size diff to shareX100
127 × 74 × 54 mm
445 g (0.98 lb / 15.70 oz)

Credit card
85.6 × 54 mm
for scale

Q3
130 × 80 × 92 mm
743 g (1.64 lb / 26.21 oz)
X100 is 4mm narrower, 6mm shorter, and 38mm thinner than Q3.
X100 is 298 g lighter than Q3.
Depth (front-to-back): 54mm X100 · 92mm Q3
Back view, to scale
Width × Height — same proportions as the front of the body.
X100
127 × 74 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.
X100
127 × 54 mm

Credit card
85.6 × 54 mm

Q3
130 × 92 mm
Sensor size, to scale
X100
23.6 × 15.8 mm · APS-C
373 mm² area
Q3
36 × 24 mm · Full Frame
864 mm² area
2.3× 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
X100
Dimensions (W×H×D mm)
Adds 126.5, 74.4, 53.9
AA filter
Only X100 supports it
Subject recognition
Adds Bird, Vehicle
Pre-Capture / Pre-Release
Only X100 supports it
In-body stabilization (IBIS)
Only X100 supports it
Card slots
2 vs 1 — higher is better
Microphone jack (3.5mm)
Only X100 supports it
Headphone jack (3.5mm)
Only X100 supports it
Reasons to choose
Q3
Dimensions (W×H×D mm)
Adds 130, 80, 92
Resolution
60.3 MP vs 12.3 MP — higher is better
ISO max (native)
100,000 vs 25,600 — higher is better
ISO min (native)
50 vs 100 — lower is better
Subject recognition
Adds Face, Eye
Weather sealing
Only Q3 supports it
Codecs
Adds ProRes
Both cameras share
- ✓Eye AF — Both support eye af
- ✓Animal / bird AF — Both support animal / bird af
- ✓Burst (electronic) — Both 15 fps
- ✓4K max frame rate — Both 60 fps
- ✓Max video bit rate — Both 150 Mbps
- ✓Touchscreen — Both support touchscreen
Pros & cons at a glance
Editorially curated highlights and trade-offs.
X100
Pros
- ✓Historic X100 origin
- ✓Hybrid viewfinder debut
- ✓Classic design
- ✓APS-C in compact
Cons
- –12MP very dated
- –Slow AF
- –No 4K
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 X100 and Q3 at major authorized retailers.
Fujifilm X100
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, X100 or Q3?
Q3 scores 8.0/10 versus 2.0/10 for X100 — 60.3MP — massive detail for large prints.
What's the resolution difference between the X100 and Q3?
X100 is 12.3 MP and Q3 is 60.3 MP, so the Q3 captures more detail for cropping and large prints.
Do the X100 and Q3 have in-body image stabilization?
X100 has 6-stop in-body image stabilization, while Q3 does not have IBIS.
Which shoots faster bursts — the X100 or the Q3?
X100 reaches 15 fps electronic. Q3 reaches 15 fps electronic.
What's the weight difference between the X100 and Q3?
X100 weighs 445 g and Q3 weighs 743 g, so the X100 is 298 g lighter.
Do the X100 and Q3 record 4K video?
X100: 4K up to 60p. Q3: 8K (max), 4K up to 60p.
Are the X100 and Q3 weather sealed?
X100: No. Q3: Yes.
Which has better battery life?
Rated battery life is 640 shots (CIPA) for the X100 and 350 shots for the Q3, giving the X100 the edge.
How much does each cost?
X100 launched at $1,199 and Q3 at $5,995. The X100 is $4,796 less.
Can't decide between two? Compare a third camera.
Add any camera to get a three-way X100 vs Q3 vs X comparison.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed June 2026.
Product images courtesy of Fujifilm and Leica press materials.