Leica
SL3-S
Fast 24.6MP L-mount hybrid with 6K open-gate video, 30fps burst, and 5-axis stabilization.
$5,295
Released Jan 2025
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 1.4 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
SL3-S
Wins
Alpha 7R VI
2 categories tied
TL;DR — Key differences
- ASL3-S has higher EVF refresh rate (120 Hz vs -1 Hz)
- ASL3-S has higher ISO max (native) (200,000 vs 32,000)
- BAlpha 7R VI has higher Max video bit rate (600 Mbps vs 200 Mbps)
- BAlpha 7R VI has higher Resolution (66.8 MP vs 24.6 MP)
- ASL3-S has lower ISO min (native) (50 vs 100)
Key specs at a glance
Size and weight, to scale
SL3-S
141 × 108 × 83 mm
768 g (1.69 lb / 27.09 oz)
Alpha 7R VI
133 × 97 × 83 mm
713 g (1.57 lb / 25.15 oz)
SL3-S is 9mm wider and 11mm taller than Alpha 7R VI.
SL3-S is 55 g heavier than Alpha 7R VI.
Depth (front-to-back): 83mm SL3-S · 83mm Alpha 7R VI
Back view, to scale
Width × Height — same proportions as the front of the body.
SL3-S
141 × 108 mm
Alpha 7R VI
133 × 97 mm
Top view, to scale
Width × Depth (front-to-back) — see which body is chunkier on the table.
SL3-S
141 × 83 mm
Alpha 7R VI
133 × 83 mm
Sensor size, to scale
SL3-S
36 × 24 mm · Full Frame
864 mm² area
Alpha 7R VI
35.9 × 24 mm · Full Frame
862 mm² area
Lens ecosystem
Native lens selection
SL3-S
Leica L
80+
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
SL3-S
EVF refresh rate
120 Hz vs -1 Hz — higher is better
Dimensions (W×H×D mm)
Adds 141.2, 108, 82.7
Card types
Adds CFexpress Type B, SD UHS-II
ISO max (native)
200,000 vs 32,000 — higher is better
ISO min (native)
50 vs 100 — lower is better
Internal RAW video
Only SL3-S supports it
Codecs
Adds Apple ProRes
AF points / zones
779 vs 759 — higher is better
Reasons to choose
Alpha 7R VI
Dimensions (W×H×D mm)
Adds 132.7, 96.9, 82.9
Card types
Adds CFexpress Type A, SDXC UHS-II
Subject recognition
Adds Bird, Eye, Insect…
Max video bit rate
600 Mbps vs 200 Mbps — higher is better
Resolution
66.8 MP vs 24.6 MP — higher is better
Codecs
Adds XAVC HS, XAVC S, XAVC S-I
4K max frame rate
120 fps vs 60 fps — higher is better
IBIS effectiveness
8.5 stops vs 5 stops — higher is better
Both cameras share
- ✓Eye AF — Both support eye af
- ✓Animal / bird AF — Both support animal / bird af
- ✓Burst (electronic) — Both 30 fps
- ✓In-body stabilization — Both support in-body stabilization
- ✓Weather sealing — Both support weather sealing
- ✓Card slots — Both 2
Pros & cons at a glance
Editorially curated highlights and trade-offs.
SL3-S
Pros
- ✓6K open-gate video
- ✓30fps electronic burst
- ✓24.6MP full-frame
- ✓CFexpress plus SD
Cons
- –Lower resolution than SL3
- –Large body
- –Premium price
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
Decided which one is right for you?
Compare live prices for the SL3-S and Alpha 7R VI at major authorized retailers.
Leica SL3-S
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 travel, SL3-S or Alpha 7R VI?
Alpha 7R VI scores 6.5/10 versus 4.5/10 for SL3-S — 713g — manageable for travel.
What's the resolution difference between the SL3-S and Alpha 7R VI?
SL3-S is 24.6 MP and Alpha 7R VI is 66.8 MP, so the Alpha 7R VI captures more detail for cropping and large prints.
Do the SL3-S and Alpha 7R VI have in-body image stabilization?
SL3-S has 5-stop in-body image stabilization, while alpha 7R VI has 8.5-stop in-body image stabilization.
Which shoots faster bursts — the SL3-S or the Alpha 7R VI?
SL3-S reaches 30 fps electronic. Alpha 7R VI reaches 30 fps electronic.
What's the weight difference between the SL3-S and Alpha 7R VI?
SL3-S weighs 768 g and Alpha 7R VI weighs 713 g, so the Alpha 7R VI is 55 g lighter.
Do the SL3-S and Alpha 7R VI record 4K video?
SL3-S: 6K Open Gate (max), 4K up to 60p. Alpha 7R VI: 8K (max), 4K up to 120p.
Are the SL3-S and Alpha 7R VI weather sealed?
SL3-S: Yes. Alpha 7R VI: Yes.
How much does each cost?
SL3-S launched at $5,295 and Alpha 7R VI at $4,499. The Alpha 7R VI is $796 less.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed May 2026.
Product images courtesy of Leica and Sony press materials.