Sony
Alpha 7 III
Classic 24MP hybrid that defined the modern full-frame value proposition.
$1,999
Released Feb 2018
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 8.3 years newer.
Wins
Alpha 7 III
Wins
Alpha 7R VI
2 categories tied
TL;DR — Key differences
- BAlpha 7R VI has higher Max video bit rate (600 Mbps vs 100 Mbps)
- BAlpha 7R VI has higher 4K max frame rate (120 fps vs 30 fps)
- BAlpha 7R VI has higher EVF resolution (9,437,184 vs 2,359,296)
- BAlpha 7R VI has higher Burst (electronic) (30 fps vs 10 fps)
- BAlpha 7R VI has higher Resolution (66.8 MP vs 24.2 MP)
Key specs at a glance
Size and weight, to scale
Alpha 7 III
127 × 96 × 74 mm
650 g (1.43 lb / 22.93 oz)
Alpha 7R VI
133 × 97 × 83 mm
713 g (1.57 lb / 25.15 oz)
Alpha 7 III is 6mm narrower, 1mm shorter, and 9mm thinner than Alpha 7R VI.
Alpha 7 III is 63 g lighter than Alpha 7R VI.
Depth (front-to-back): 74mm Alpha 7 III · 83mm Alpha 7R VI
Back view, to scale
Width × Height — same proportions as the front of the body.
Alpha 7 III
127 × 96 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 7 III
127 × 74 mm
Alpha 7R VI
133 × 83 mm
Sensor size, to scale
Alpha 7 III
35.6 × 23.8 mm · Full Frame
847 mm² area
Alpha 7R VI
35.9 × 24 mm · Full Frame
862 mm² area
Lens ecosystem
Native lens selection
Alpha 7 III
✓ 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 7 III
Dimensions (W×H×D mm)
Adds 126.9, 95.6, 73.7
Card types
Adds SD UHS-II, SD UHS-I
AA filter
Only Alpha 7 III supports it
Weather sealing
Only Alpha 7 III supports it
ISO max (native)
51,200 vs 32,000 — higher is better
Codecs
Adds AVCHD
Battery life (CIPA)
710 shots vs 600 shots — higher is better
Weight
650 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
Max video bit rate
600 Mbps vs 100 Mbps — higher is better
4K max frame rate
120 fps vs 30 fps — higher is better
EVF resolution
9,437,184 vs 2,359,296 — higher is better
Subject recognition
Adds Bird, Eye, Insect…
Burst (electronic)
30 fps vs 10 fps — 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 — Both support in-body stabilization
- ✓Card slots — Both 2
- ✓Touchscreen — Both support touchscreen
Pros & cons at a glance
Editorially curated highlights and trade-offs.
Alpha 7 III
Pros
- ✓Proven reliability
- ✓Great battery life
- ✓Strong value used
- ✓Dual card slots
Cons
- –Older AF vs newer bodies
- –4K 30p only
- –No 10-bit internal
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 travel, Alpha 7 III or Alpha 7R VI?
Alpha 7 III scores 8.5/10 versus 5.0/10 for Alpha 7R VI — 650g — compact and travel-friendly.
What's the resolution difference between the Alpha 7 III and Alpha 7R VI?
Alpha 7 III 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 7 III and Alpha 7R VI have in-body image stabilization?
Alpha 7 III has 5-stop in-body image stabilization, while alpha 7R VI has in-body image stabilization.
Which shoots faster bursts — the Alpha 7 III or the Alpha 7R VI?
Alpha 7 III reaches 10 fps electronic. Alpha 7R VI reaches 30 fps electronic.
What's the weight difference between the Alpha 7 III and Alpha 7R VI?
Alpha 7 III weighs 650 g and Alpha 7R VI weighs 713 g, so the Alpha 7 III is 63 g lighter.
Do the Alpha 7 III and Alpha 7R VI record 4K video?
Alpha 7 III: 4K up to 30p. Alpha 7R VI: 8K (max), 4K up to 120p.
Are the Alpha 7 III and Alpha 7R VI weather sealed?
Alpha 7 III: Yes. Alpha 7R VI: No.
Which has better battery life?
Rated battery life is 710 shots (CIPA) for the Alpha 7 III and 600 shots for the Alpha 7R VI, giving the Alpha 7 III the edge.
How much does each cost?
Alpha 7 III launched at $1,999 and Alpha 7R VI at $4,499. The Alpha 7 III is $2,500 less.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed May 2026.
Product images courtesy of Sony press materials.