Pentax
K-70
Weather-sealed APS-C DSLR with IBIS and AA filter simulator.
$649
Launch priceReleased Jun 2016
Sony
Alpha 1 II
50MP stacked flagship with 30fps RAW, 8K video, and Sony's fastest hybrid performance.
$6,499
Launch priceReleased Nov 2024
Alpha 1 II is 8.4 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
K-70
Wins
Alpha 1 II
2 categories tied
Which would you choose?
TL;DR — Key differences
- BAlpha 1 II has higher AF points / zones (759 vs 11)
- BAlpha 1 II has higher RAW buffer depth (200 frames vs 10 frames)
- AK-70 has higher ISO max (native) (204,800 vs 32,000)
- BAlpha 1 II has higher EVF resolution (9,437,184 vs 2,360,000)
- BAlpha 1 II has higher Resolution (50.1 MP vs 24.2 MP)
Key specs at a glance
Size and weight, to scale
📸 Snap this size diff to share
K-70
126 × 93 × 74 mm
688 g (1.52 lb / 24.27 oz)
Credit card
85.6 × 54 mm
for scale
Alpha 1 II
136 × 97 × 83 mm
743 g (1.64 lb / 26.21 oz)
K-70 is 11mm narrower, 4mm shorter, and 9mm thinner than Alpha 1 II.
K-70 is 55 g lighter than Alpha 1 II.
Depth (front-to-back): 74mm K-70 · 83mm Alpha 1 II
Back view, to scale
Width × Height — same proportions as the front of the body.
K-70
126 × 93 mm
Credit card
85.6 × 54 mm
Alpha 1 II
136 × 97 mm
Top view, to scale
Width × Depth (front-to-back) — see which body is chunkier on the table.
K-70
126 × 74 mm
Credit card
85.6 × 54 mm
Alpha 1 II
136 × 83 mm
Sensor size, to scale
K-70
23.5 × 15.6 mm · APS-C
367 mm² area
Alpha 1 II
35.9 × 24 mm · Full Frame
862 mm² area
2.3× larger sensor area = shallower depth of field and better low-light performance.
Lens ecosystem
Native lens selection
K-70
Pentax K
70+
native lenses available
Alpha 1 II
✓ more lensesSony E
350+
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
K-70
Dimensions (W×H×D mm)
Adds 125.5, 93, 74
Card types
Adds SD, SDHC, SDXC
ISO max (native)
204,800 vs 32,000 — higher is better
Subject recognition
Adds Vehicle
Weight
688 g vs 743 g — lower is better
AF frame coverage
100 % vs 94 % — higher is better
EVF magnification
0.95 × vs 0.9 × — higher is better
Reasons to choose
Alpha 1 II
AF low-light limit
-4 EV vs -3 EV — lower is better
Dimensions (W×H×D mm)
Adds 136.1, 96.9, 82.9
Card types
Adds CFexpress Type A, SD UHS-II
AF points / zones
759 vs 11 — higher is better
RAW buffer depth
200 frames vs 10 frames — higher is better
Codecs
Adds XAVC HS, XAVC S, XAVC S-I…
EVF resolution
9,437,184 vs 2,360,000 — higher is better
Resolution
50.1 MP vs 24.2 MP — higher is better
Both cameras share
- ✓ISO min (native) — 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
- ✓Max video bit rate — Both 150 Mbps
- ✓In-body stabilization (IBIS) — Both support in-body stabilization (ibis)
Pros & cons at a glance
Editorially curated highlights and trade-offs.
K-70
Pros
- ✓Weather sealed entry
- ✓IBIS in DSLR
- ✓Unique features
Cons
- –DSLR
- –24MP dated
- –Limited video
Alpha 1 II
Pros
- ✓50MP stacked sensor
- ✓30fps blackout-free burst
- ✓8K 30p video
- ✓Best Sony AF
Cons
- –Very expensive
- –Complex menus
- –Large files
Decided which one is right for you?
Compare live prices for the K-70 and Alpha 1 II at major authorized retailers.
Pentax K-70
Sony Alpha 1 II
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 video, K-70 or Alpha 1 II?
Alpha 1 II scores 9.5/10 versus 4.5/10 for K-70 — 8K recording for future-proof footage.
What's the resolution difference between the K-70 and Alpha 1 II?
K-70 is 24.2 MP and Alpha 1 II is 50.1 MP, so the Alpha 1 II captures more detail for cropping and large prints.
Do the K-70 and Alpha 1 II have in-body image stabilization?
K-70 has 6-stop in-body image stabilization, while Alpha 1 II has 8.5-stop in-body image stabilization.
Which shoots faster bursts — the K-70 or the Alpha 1 II?
K-70 reaches 15 fps electronic. Alpha 1 II reaches 30 fps electronic.
What's the weight difference between the K-70 and Alpha 1 II?
K-70 weighs 688 g and Alpha 1 II weighs 743 g, so the K-70 is 55 g lighter.
Do the K-70 and Alpha 1 II record 4K video?
K-70: 4K up to 60p. Alpha 1 II: 8K (max), 4K up to 120p.
Are the K-70 and Alpha 1 II weather sealed?
K-70: Yes. Alpha 1 II: Yes.
How much does each cost?
K-70 launched at $649 and Alpha 1 II at $6,499. The K-70 is $5,850 less.
Can't decide between two? Compare a third camera.
Add any camera to get a three-way K-70 vs Alpha 1 II vs X comparison.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed July 2026.
Product images courtesy of Pentax and Sony press materials.