Sony
Alpha 6600
APS-C with IBIS and huge NP-FZ100 battery in a compact body.
$1,399
Released Oct 2019
Sony
Alpha 7R VI
66.8MP fully-stacked full-frame high-resolution body with 30fps bursts, 8K 30p, 4K 120p, and Sony's new BIONZ XR2 engine.
$4,499
Released Jun 2026
Alpha 7R VI is 6.7 years newer.
Wins
Alpha 6600
Wins
Alpha 7R VI
2 categories tied
TL;DR — Key differences
- BAlpha 7R VI has higher 4K max frame rate (120 fps vs 30 fps)
- 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 2,359,296)
- BAlpha 7R VI has higher Resolution (66.8 MP vs 24.2 MP)
- BAlpha 7R VI has higher Burst (electronic) (30 fps vs 11 fps)
Key specs at a glance
Size and weight, to scale
Alpha 6600
120 × 67 × 69 mm
503 g (1.11 lb / 17.74 oz)
Alpha 7R VI
133 × 97 × 83 mm
713 g (1.57 lb / 25.15 oz)
Alpha 6600 is 13mm narrower, 30mm shorter, and 14mm thinner than Alpha 7R VI.
Alpha 6600 is 210 g lighter than Alpha 7R VI.
Depth (front-to-back): 69mm Alpha 6600 · 83mm Alpha 7R VI
Back view, to scale
Width × Height — same proportions as the front of the body.
Alpha 6600
120 × 67 mm
Alpha 7R VI
133 × 97 mm
Top view, to scale
Width × Depth (front-to-back) — see which body is chunkier on the table.
Alpha 6600
120 × 69 mm
Alpha 7R VI
133 × 83 mm
Sensor size, to scale
Alpha 6600
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
Alpha 6600
✓ more lensesSony E
350+
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
Alpha 6600
Dimensions (W×H×D mm)
Adds 120, 66.9, 69.3
Card types
Adds SD UHS-I
Weather sealing
Only Alpha 6600 supports it
Codecs
Adds AVCHD
Weight
503 g vs 713 g — lower is better
Battery life (CIPA)
810 shots vs 600 shots — higher is better
Reasons to choose
Alpha 7R VI
AF low-light limit
-6 EV vs -2 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
4K max frame rate
120 fps vs 30 fps — higher is better
Max video bit rate
600 Mbps vs 150 Mbps — higher is better
EVF resolution
9,437,184 vs 2,359,296 — higher is better
Subject recognition
Adds Bird, Eye, Insect…
Resolution
66.8 MP vs 24.2 MP — higher is better
Both cameras share
- ✓ISO min (native) — Both 100
- ✓ISO max (native) — Both 32,000
- ✓Eye AF — Both support eye af
- ✓Animal / bird AF — Both support animal / bird af
- ✓In-body stabilization — Both support in-body stabilization
- ✓Touchscreen — Both support touchscreen
Pros & cons at a glance
Editorially curated highlights and trade-offs.
Alpha 6600
Pros
- ✓IBIS in APS-C
- ✓Excellent battery
- ✓Real-time tracking AF
Cons
- –Older than A6700
- –Single slot
- –No 4K 60p
Alpha 7R VI
Pros
- ✓66.8MP fully-stacked Exmor RS sensor
- ✓30fps blackout-free electronic burst
- ✓8K 30p and 4K 120p video
- ✓8.5-stop in-body stabilization
- ✓9.44M-dot HDR OLED EVF
Cons
- –Very expensive
- –Large files demand fast cards and storage
- –8K workflow can be heavy
Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for landscape, Alpha 6600 or Alpha 7R VI?
Alpha 7R VI scores 7.5/10 versus 4.0/10 for Alpha 6600 — 66.8MP — massive detail for large prints.
What's the resolution difference between the Alpha 6600 and Alpha 7R VI?
Alpha 6600 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 Alpha 6600 and Alpha 7R VI have in-body image stabilization?
Alpha 6600 has 5-stop in-body image stabilization, while alpha 7R VI has in-body image stabilization.
Which shoots faster bursts — the Alpha 6600 or the Alpha 7R VI?
Alpha 6600 reaches 11 fps electronic. Alpha 7R VI reaches 30 fps electronic.
What's the weight difference between the Alpha 6600 and Alpha 7R VI?
Alpha 6600 weighs 503 g and Alpha 7R VI weighs 713 g, so the Alpha 6600 is 210 g lighter.
Do the Alpha 6600 and Alpha 7R VI record 4K video?
Alpha 6600: 4K up to 30p. Alpha 7R VI: 8K (max), 4K up to 120p.
Are the Alpha 6600 and Alpha 7R VI weather sealed?
Alpha 6600: Yes. Alpha 7R VI: No.
Which has better battery life?
Rated battery life is 810 shots (CIPA) for the Alpha 6600 and 600 shots for the Alpha 7R VI, giving the Alpha 6600 the edge.
How much does each cost?
Alpha 6600 launched at $1,399 and Alpha 7R VI at $4,499. The Alpha 6600 is $3,100 less.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed May 2026.
Product images courtesy of Sony press materials.