Pentax
K-70
Weather-sealed APS-C DSLR with IBIS and AA filter simulator.
$649
Launch priceReleased Jun 2016
Sony
Alpha 7R VI
66.8MP stacked full-frame high-resolution body with 30fps bursts, 8K 30p, 4K 120p, and Sony's AI processing unit.
$4,499
Launch priceReleased Jun 2026
Alpha 7R VI is 10 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 7R VI
1 categories tied
Which would you choose?
TL;DR — Key differences
- BAlpha 7R VI has higher AF points / zones (759 vs 11)
- BAlpha 7R VI has higher RAW buffer depth (150 frames vs 10 frames)
- AK-70 has higher ISO max (native) (204,800 vs 32,000)
- BAlpha 7R VI has higher Max video bit rate (600 Mbps vs 150 Mbps)
- BAlpha 7R VI has higher EVF resolution (9,437,184 vs 2,360,000)
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 7R VI
133 × 97 × 83 mm
713 g (1.57 lb / 25.15 oz)
K-70 is 7mm narrower, 4mm shorter, and 9mm thinner than Alpha 7R VI.
K-70 is 25 g lighter than Alpha 7R VI.
Depth (front-to-back): 74mm K-70 · 83mm Alpha 7R VI
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 7R VI
133 × 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 7R VI
133 × 83 mm
Sensor size, to scale
K-70
23.5 × 15.6 mm · APS-C
367 mm² area
Alpha 7R VI
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 7R VI
✓ 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
Pre-Capture / Pre-Release
Only K-70 supports it
Weather sealing
Only K-70 supports it
EVF magnification
0.95 × vs 0.9 × — higher is better
Weight
688 g vs 713 g — lower is better
Reasons to choose
Alpha 7R VI
AF low-light limit
-6 EV vs -3 EV — lower is better
Dimensions (W×H×D mm)
Adds 132.7, 96.9, 82.9
Card types
Adds CFexpress Type A, SDXC UHS-II
AF points / zones
759 vs 11 — higher is better
RAW buffer depth
150 frames vs 10 frames — higher is better
Codecs
Adds XAVC HS, XAVC S, XAVC S-I…
Max video bit rate
600 Mbps vs 150 Mbps — higher is better
EVF resolution
9,437,184 vs 2,360,000 — 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
- ✓In-body stabilization (IBIS) — Both support in-body stabilization (ibis)
- ✓Wi-Fi — Both support wi-fi
- ✓Bluetooth — Both support bluetooth
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 7R VI
Pros
- ✓66.8MP stacked full-frame sensor
- ✓30fps blackout-free electronic burst
- ✓8K 30p and 4K 120p video
- ✓5-axis sensor-shift stabilization
- ✓9.44M-dot HDR OLED EVF
Cons
- –Very expensive
- –Large files demand fast cards and storage
- –8K workflow can be heavy
Decided which one is right for you?
Compare live prices for the K-70 and Alpha 7R VI at major authorized retailers.
Pentax K-70
Sony Alpha 7R VI
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 7R VI?
Alpha 7R VI scores 8.0/10 versus 4.5/10 for K-70 — 8K recording for future-proof footage.
What's the resolution difference between the K-70 and Alpha 7R VI?
K-70 is 24.2 MP and Alpha 7R VI is 66.8 MP, so the Alpha 7R VI captures more detail for cropping and large prints.
Do the K-70 and Alpha 7R VI have in-body image stabilization?
K-70 has 6-stop in-body image stabilization, while Alpha 7R VI has in-body image stabilization.
Which shoots faster bursts — the K-70 or the Alpha 7R VI?
K-70 reaches 15 fps electronic. Alpha 7R VI reaches 30 fps electronic.
What's the weight difference between the K-70 and Alpha 7R VI?
K-70 weighs 688 g and Alpha 7R VI weighs 713 g, so the K-70 is 25 g lighter.
Do the K-70 and Alpha 7R VI record 4K video?
K-70: 4K up to 60p. Alpha 7R VI: 8K (max), 4K up to 120p.
Are the K-70 and Alpha 7R VI weather sealed?
K-70: Yes. Alpha 7R VI: No.
How much does each cost?
K-70 launched at $649 and Alpha 7R VI at $4,499. The K-70 is $3,850 less.
Can't decide between two? Compare a third camera.
Add any camera to get a three-way K-70 vs Alpha 7R VI 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.