Hasselblad
X2D II 100C
Second-gen 100MP medium format flagship with faster AF, improved IBIS, and Hasselblad Natural Colour.
$8,499
Launch priceReleased Sep 2025
Pentax
645Z
51MP medium format DSLR that made digital MF accessible — still prized for landscape and studio.
$8,499
Launch priceReleased Apr 2014
X2D II 100C is 11.3 years newer.
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Wins
X2D II 100C
Wins
645Z
6 categories tied
Which would you choose?
TL;DR — Key differences
- AX2D II 100C has higher AF points / zones (425 vs 101)
- B645Z has higher Burst (mechanical) (8 fps vs 3 fps)
- B645Z has higher Card slots (2 vs 1)
- AX2D II 100C has higher Resolution (100 MP vs 51.4 MP)
- AX2D II 100C has lower Weight (840 g vs 1470 g)
Key specs at a glance
Size and weight, to scale
📸 Snap this size diff to share
X2D II 100C
149 × 106 × 75 mm
840 g (1.85 lb / 29.63 oz)
Credit card
85.6 × 54 mm
for scale
645Z
156 × 117 × 123 mm
1470 g (3.24 lb / 51.85 oz)
X2D II 100C is 8mm narrower, 11mm shorter, and 48mm thinner than 645Z.
X2D II 100C is 630 g lighter than 645Z.
Depth (front-to-back): 75mm X2D II 100C · 123mm 645Z
Back view, to scale
Width × Height — same proportions as the front of the body.
X2D II 100C
149 × 106 mm
Credit card
85.6 × 54 mm
645Z
156 × 117 mm
Top view, to scale
Width × Depth (front-to-back) — see which body is chunkier on the table.
X2D II 100C
149 × 75 mm
Credit card
85.6 × 54 mm
645Z
156 × 123 mm
Sensor size, to scale
X2D II 100C
43.8 × 32.9 mm · Full Frame
1441 mm² area
645Z
43.8 × 32.8 mm · Medium Format
1437 mm² area
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
X2D II 100C
Subject recognition
Adds Animals, People, Vehicles
Dimensions (W×H×D mm)
Adds 148.5, 106, 75
Card types
Adds CFexpress Type B
AF points / zones
425 vs 101 — higher is better
Resolution
100 MP vs 51.4 MP — higher is better
Weight
840 g vs 1470 g — lower is better
RAW buffer depth
200 frames vs 120 frames — higher is better
EVF resolution
5,760,000 vs 3,690,000 — higher is better
Reasons to choose
645Z
AF low-light limit
-3 EV vs -2 EV — lower is better
Subject recognition
Adds Human, Animal, Bird…
Dimensions (W×H×D mm)
Adds 156, 117, 123
Card types
Adds SD UHS-II
Burst (mechanical)
8 fps vs 3 fps — higher is better
AA filter
Only 645Z supports it
Card slots
2 vs 1 — higher is better
Battery life (CIPA)
640 shots vs 466 shots — higher is better
Both cameras share
- ✓ISO max (native) — Both 25,600
- ✓AF frame coverage — Both 100 %
- ✓Eye AF — Both support eye af
- ✓Animal / bird AF — Both support animal / bird af
- ✓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.
X2D II 100C
Pros
- ✓100MP medium format
- ✓7-stop IBIS
- ✓Faster AF than X2D
- ✓Stunning color science
Cons
- –Very expensive
- –Large files
- –Not for action
645Z
Pros
- ✓51MP medium format
- ✓CMOS sensor
- ✓Pentax color
- ✓Relatively affordable MF
Cons
- –Huge body
- –Slow operation
- –Limited lens line vs Hasselblad
Decided which one is right for you?
Compare live prices for the X2D II 100C and 645Z at major authorized retailers.
Hasselblad X2D II 100C
Pentax 645Z
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Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for wildlife, X2D II 100C or 645Z?
645Z scores 9.0/10 versus 5.5/10 for X2D II 100C — 20fps burst captures fleeting moments.
What's the resolution difference between the X2D II 100C and 645Z?
X2D II 100C is 100 MP and 645Z is 51.4 MP, so the X2D II 100C captures more detail for cropping and large prints.
Do the X2D II 100C and 645Z have in-body image stabilization?
X2D II 100C has 7-stop in-body image stabilization, while 645Z has 7-stop in-body image stabilization.
Which shoots faster bursts — the X2D II 100C or the 645Z?
X2D II 100C reaches 30 fps electronic. 645Z reaches 20 fps electronic.
What's the weight difference between the X2D II 100C and 645Z?
X2D II 100C weighs 840 g and 645Z weighs 1470 g, so the X2D II 100C is 630 g lighter.
Do the X2D II 100C and 645Z record 4K video?
X2D II 100C: 4K up to 60p. 645Z: 4K up to 60p.
Are the X2D II 100C and 645Z weather sealed?
X2D II 100C: Yes. 645Z: Yes.
Which has better battery life?
Rated battery life is 466 shots (CIPA) for the X2D II 100C and 640 shots for the 645Z, giving the 645Z the edge.
How much does each cost?
Both launched at $8,499.
Can't decide between two? Compare a third camera.
Add any camera to get a three-way X2D II 100C vs 645Z vs X comparison.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed July 2026.
Product images courtesy of Hasselblad and Pentax press materials.