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
8 categories tied
Which would you choose?
TL;DR — Key differences
- AX2D II 100C has higher ISO max (native) (51,200 vs 25,600)
- AX2D II 100C has higher Resolution (100 MP vs 51.4 MP)
- AX2D II 100C has higher RAW buffer depth (200 frames vs 120 frames)
- AX2D II 100C has lower Weight (895 g vs 1470 g)
- AX2D II 100C has higher EVF resolution (5,760,000 vs 3,690,000)
Key specs at a glance
Size and weight, to scale
📸 Snap this size diff to shareX2D II 100C
150 × 104 × 77 mm
895 g (1.97 lb / 31.57 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 6mm narrower, 13mm shorter, and 46mm thinner than 645Z.
X2D II 100C is 575 g lighter than 645Z.
Depth (front-to-back): 77mm X2D II 100C · 123mm 645Z
Sensor size, to scale
X2D II 100C
43.8 × 32.9 mm · Medium Format
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
Dimensions (W×H×D mm)
Adds 150, 104, 77
ISO max (native)
51,200 vs 25,600 — higher is better
Card types
Adds CFexpress Type B
Resolution
100 MP vs 51.4 MP — higher is better
RAW buffer depth
200 frames vs 120 frames — higher is better
Weight
895 g vs 1470 g — lower is better
EVF resolution
5,760,000 vs 3,690,000 — higher is better
Burst (mechanical)
12 fps vs 8 fps — higher is better
Reasons to choose
645Z
AF low-light limit
-3 EV vs -2 EV — lower is better
Dimensions (W×H×D mm)
Adds 156, 117, 123
AA filter
Only 645Z supports it
Battery life (CIPA)
640 shots vs 520 shots — higher is better
Both cameras share
- ✓ISO min (native) — Both 64
- ✓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 sports, X2D II 100C or 645Z?
X2D II 100C scores 8.0/10 versus 6.5/10 for 645Z — 30fps burst — pro-level action capture.
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 895 g and 645Z weighs 1470 g, so the X2D II 100C is 575 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 520 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 June 2026.