Fujifilm
X100VI
Fixed-lens premium compact with 40MP X-Trans and classic street photography design.
$1,599
Launch priceReleased Feb 2024
Pentax
K-S2
Compact weather-sealed APS-C DSLR with 20MP sensor, AA filter simulator, and built-in Wi-Fi.
$799
Launch priceReleased Feb 2015
X100VI is 9 years newer.
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Wins
X100VI
Wins
K-S2
4 categories tied
Which would you choose?
TL;DR — Key differences
- AX100VI has higher AF points / zones (425 vs 101)
- BK-S2 has higher Battery life (CIPA) (640 shots vs 310 shots)
- AX100VI has higher Resolution (40.2 MP vs 20.1 MP)
- BK-S2 has higher ISO max (native) (25,600 vs 12,800)
- BK-S2 has higher Card slots (2 vs 1)
Key specs at a glance
Size and weight, to scale
📸 Snap this size diff to share
X100VI
128 × 75 × 55 mm
521 g (1.15 lb / 18.38 oz)
Credit card
85.6 × 54 mm
for scale
K-S2
123 × 91 × 77 mm
678 g (1.49 lb / 23.92 oz)
X100VI is 17mm shorter and 22mm thinner than K-S2 but it is also 6mm wider.
X100VI is 157 g lighter than K-S2.
Depth (front-to-back): 55mm X100VI · 77mm K-S2
Back view, to scale
Width × Height — same proportions as the front of the body.
X100VI
128 × 75 mm
Credit card
85.6 × 54 mm
K-S2
123 × 91 mm
Top view, to scale
Width × Depth (front-to-back) — see which body is chunkier on the table.
X100VI
128 × 55 mm
Credit card
85.6 × 54 mm
K-S2
123 × 77 mm
Sensor size, to scale
X100VI
23.5 × 15.7 mm · APS-C
369 mm² area
K-S2
23.5 × 15.6 mm · APS-C
367 mm² area
Lens ecosystem
Native lens selection
X100VI: mount data unavailable
K-S2
✓ more lensesPentax K
70+
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
X100VI
Dimensions (W×H×D mm)
Adds 128, 74.8, 55.3
Card types
Adds SD UHS-I
AF points / zones
425 vs 101 — higher is better
Subject recognition
Adds Automobile, Motorcycle/Bike, Airplane…
Resolution
40.2 MP vs 20.1 MP — higher is better
EVF resolution
3,690,000 vs 2,360,000 — higher is better
Burst (electronic)
20 fps vs 15 fps — higher is better
Max video bit rate
200 Mbps vs 150 Mbps — higher is better
Reasons to choose
K-S2
Dimensions (W×H×D mm)
Adds 122.5, 91.4, 76.9
Card types
Adds SD UHS-II
Battery life (CIPA)
640 shots vs 310 shots — higher is better
AA filter
Only K-S2 supports it
ISO max (native)
25,600 vs 12,800 — higher is better
Subject recognition
Adds Human, Vehicle
Card slots
2 vs 1 — higher is better
Headphone jack (3.5mm)
Only K-S2 supports it
Both cameras share
- ✓AF frame coverage — Both 100 %
- ✓Eye AF — Both support eye af
- ✓Animal / bird AF — Both support animal / bird af
- ✓Burst (mechanical) — Both 6 fps
- ✓Pre-Capture / Pre-Release — Both support pre-capture / pre-release
- ✓4K max frame rate — Both 60 fps
Pros & cons at a glance
Editorially curated highlights and trade-offs.
X100VI
Pros
- ✓Unique fixed 23mm lens
- ✓40MP sensor
- ✓Film simulations
- ✓Compact street camera
Cons
- –Fixed lens only
- –No interchangeable lenses
- –Premium price
K-S2
Pros
- ✓Weather sealed
- ✓Compact DSLR
- ✓AA filter simulator
- ✓Wi-Fi
Cons
- –20MP dated
- –No IBIS
- –DSLR niche
Decided which one is right for you?
Compare live prices for the X100VI and K-S2 at major authorized retailers.
Fujifilm X100VI
Pentax K-S2
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Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for portraits, X100VI or K-S2?
X100VI scores 7.5/10 versus 5.5/10 for K-S2 — 40.2MP — excellent for large prints and crops.
What's the resolution difference between the X100VI and K-S2?
X100VI is 40.2 MP and K-S2 is 20.1 MP, so the X100VI captures more detail for cropping and large prints.
Do the X100VI and K-S2 have in-body image stabilization?
X100VI has 6-stop in-body image stabilization, while K-S2 has 6-stop in-body image stabilization.
Which shoots faster bursts — the X100VI or the K-S2?
X100VI reaches 20 fps electronic. K-S2 reaches 15 fps electronic.
What's the weight difference between the X100VI and K-S2?
X100VI weighs 521 g and K-S2 weighs 678 g, so the X100VI is 157 g lighter.
Do the X100VI and K-S2 record 4K video?
X100VI: 4K up to 60p. K-S2: 4K up to 60p.
Are the X100VI and K-S2 weather sealed?
X100VI: Yes. K-S2: Yes.
Which has better battery life?
Rated battery life is 310 shots (CIPA) for the X100VI and 640 shots for the K-S2, giving the K-S2 the edge.
How much does each cost?
X100VI launched at $1,599 and K-S2 at $799. The K-S2 is $800 less.
Can't decide between two? Compare a third camera.
Add any camera to get a three-way X100VI vs K-S2 vs X comparison.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed June 2026.
Product images courtesy of Fujifilm and Pentax press materials.