Fujifilm
X100S
Second-generation X100 with 16MP X-Trans sensor and fixed 35mm-equivalent lens.
$1,299
Launch priceReleased Jan 2013
Leica
Q3
Full-frame fixed 28mm f/1.7 premium compact for documentary and travel.
$5,995
Launch priceReleased May 2023
Q3 is 10.4 years newer.
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Wins
X100S
Wins
Q3
1 categories tied
Which would you choose?
TL;DR — Key differences
- BQ3 has higher ISO max (native) (100,000 vs 6,400)
- BQ3 has higher Max video bit rate (150 Mbps vs 36 Mbps)
- BQ3 has lower ISO min (native) (50 vs 200)
- BQ3 has higher Resolution (60.3 MP vs 16.3 MP)
- BQ3 has higher Burst (electronic) (15 fps vs 6 fps)
Key specs at a glance
Size and weight, to scale
📸 Snap this size diff to shareX100S
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)
X100S is 4mm narrower, 6mm shorter, and 38mm thinner than Q3.
X100S is 298 g lighter than Q3.
Depth (front-to-back): 54mm X100S · 92mm Q3
Back view, to scale
Width × Height — same proportions as the front of the body.
X100S
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.
X100S
127 × 54 mm
Credit card
85.6 × 54 mm
Q3
130 × 92 mm
Sensor size, to scale
X100S
23.6 × 15.6 mm · APS-C
368 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
X100S
Dimensions (W×H×D mm)
Adds 126.5, 74.4, 53.9
Card types
Adds SD UHS-I
Weight
445 g vs 743 g — lower is better
Burst (mechanical)
6 fps vs 4 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 6,400 — higher is better
Max video bit rate
150 Mbps vs 36 Mbps — higher is better
ISO min (native)
50 vs 200 — lower is better
Subject recognition
Adds Face, Eye, Animal
Resolution
60.3 MP vs 16.3 MP — higher is better
Codecs
Adds H.265, ProRes
Both cameras share
- ✓Eye AF — Both support eye af
- ✓Card slots — Both 1
- ✓Touchscreen — Both support touchscreen
Pros & cons at a glance
Editorially curated highlights and trade-offs.
X100S
Pros
- ✓Classic fixed-lens design
- ✓X-Trans sensor
- ✓Hybrid viewfinder
Cons
- –Very old AF
- –No 4K
- –Fixed screen
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 X100S and Q3 at major authorized retailers.
Fujifilm X100S
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Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for landscape, X100S or Q3?
Q3 scores 8.0/10 versus 0.0/10 for X100S — 60.3MP — massive detail for large prints.
What's the resolution difference between the X100S and Q3?
X100S is 16.3 MP and Q3 is 60.3 MP, so the Q3 captures more detail for cropping and large prints.
How does stabilization compare between the X100S and Q3?
X100S does not have IBIS, while Q3 does not have IBIS.
Which shoots faster bursts — the X100S or the Q3?
X100S reaches 6 fps electronic. Q3 reaches 15 fps electronic.
What's the weight difference between the X100S and Q3?
X100S weighs 445 g and Q3 weighs 743 g, so the X100S is 298 g lighter.
Do the X100S and Q3 record 4K video?
X100S: Full HD. Q3: 8K (max), 4K up to 60p.
Are the X100S and Q3 weather sealed?
X100S: No. Q3: Yes.
Which has better battery life?
Rated battery life is 330 shots (CIPA) for the X100S and 350 shots for the Q3, giving the Q3 the edge.
How much does each cost?
X100S launched at $1,299 and Q3 at $5,995. The X100S is $4,696 less.
Can't decide between two? Compare a third camera.
Add any camera to get a three-way X100S vs Q3 vs X comparison.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed July 2026.
Product images courtesy of Fujifilm and Leica press materials.