Canon
EOS 6D Mark II
Affordable full-frame DSLR entry with articulating touchscreen and Dual Pixel AF.
$1,999
Released Jun 2017
Sony
Alpha 7 IV
33MP hybrid all-rounder with 10-bit 4K 60p and AI-powered subject tracking.
$2,499
Released Oct 2021
Alpha 7 IV is 4.3 years newer.
Wins
EOS 6D Mark II
Wins
Alpha 7 IV
1 categories tied
TL;DR — Key differences
- BAlpha 7 IV has higher 4K max frame rate (60 fps vs 0 fps)
- BAlpha 7 IV has higher IBIS effectiveness (5.5 stops vs 0 stops)
- BAlpha 7 IV has higher AF points / zones (759 vs 45)
- BAlpha 7 IV has higher RAW buffer depth (828 frames vs 60 frames)
- BAlpha 7 IV has higher Max video bit rate (600 Mbps vs 150 Mbps)
Key specs at a glance
Size and weight, to scale
EOS 6D Mark II
144 × 111 × 75 mm
765 g (1.69 lb / 26.98 oz)
Alpha 7 IV
131 × 96 × 80 mm
658 g (1.45 lb / 23.21 oz)
EOS 6D Mark II is 5mm thinner than Alpha 7 IV but it is also 13mm wider and 14mm taller.
EOS 6D Mark II is 107 g heavier than Alpha 7 IV.
Depth (front-to-back): 75mm EOS 6D Mark II · 80mm Alpha 7 IV
Back view, to scale
Width × Height — same proportions as the front of the body.
EOS 6D Mark II
144 × 111 mm
Alpha 7 IV
131 × 96 mm
Top view, to scale
Width × Depth (front-to-back) — see which body is chunkier on the table.
EOS 6D Mark II
144 × 75 mm
Alpha 7 IV
131 × 80 mm
Sensor size, to scale
EOS 6D Mark II
35.9 × 24 mm · Full Frame
862 mm² area
Alpha 7 IV
35.9 × 23.9 mm · Full Frame
858 mm² area
Lens ecosystem
Native lens selection
EOS 6D Mark II
Canon EF
300+
native lenses available
Alpha 7 IV
✓ 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
EOS 6D Mark II
Dimensions (W×H×D mm)
Adds 144, 110.5, 74.8
Card types
Adds SD UHS-I
Battery life (CIPA)
1200 shots vs 580 shots — higher is better
Pre-Capture / Pre-Release
Only EOS 6D Mark II supports it
Reasons to choose
Alpha 7 IV
AF low-light limit
-4 EV vs -3 EV — lower is better
Subject recognition
Adds Human, Animal, Bird…
4K max frame rate
60 fps vs 0 fps — higher is better
IBIS effectiveness
5.5 stops vs 0 stops — higher is better
Dimensions (W×H×D mm)
Adds 131.3, 96.4, 79.8
Card types
Adds CFexpress Type A, SD UHS-II
AF points / zones
759 vs 45 — higher is better
RAW buffer depth
828 frames vs 60 frames — higher is better
Both cameras share
- ✓AA filter — Both support aa filter
- ✓ISO min (native) — Both 100
- ✓Weather sealing — Both support weather sealing
- ✓Touchscreen — Both support touchscreen
- ✓Wi-Fi — Both support wi-fi
- ✓Bluetooth — Both support bluetooth
Pros & cons at a glance
Editorially curated highlights and trade-offs.
EOS 6D Mark II
Pros
- ✓Affordable full-frame
- ✓Articulating screen
- ✓Good ergonomics
Cons
- –26MP dated
- –Single card slot
- –Dynamic range behind mirrorless
Alpha 7 IV
Pros
- ✓33MP — more detail for cropping and print
- ✓10-bit 4K 60p (Super35 crop) / 4K 30p full-frame
- ✓Full-size HDMI port
- ✓759 phase-detect AF points
Cons
- –4K 60p requires Super35 crop
- –10fps burst lags behind R6 II at 40fps
- –Complex menu system
Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for vlogging, EOS 6D Mark II or Alpha 7 IV?
Alpha 7 IV scores 8.0/10 versus 1.5/10 for EOS 6D Mark II — Fully articulating screen — see yourself while filming.
What's the resolution difference between the EOS 6D Mark II and Alpha 7 IV?
EOS 6D Mark II is 26.2 MP and Alpha 7 IV is 33 MP, so the Alpha 7 IV captures more detail for cropping and large prints.
Do the EOS 6D Mark II and Alpha 7 IV have in-body image stabilization?
EOS 6D Mark II does not have IBIS, while alpha 7 IV has 5.5-stop in-body image stabilization.
Which shoots faster bursts — the EOS 6D Mark II or the Alpha 7 IV?
EOS 6D Mark II reaches 6.5 fps electronic. Alpha 7 IV reaches 10 fps electronic.
What's the weight difference between the EOS 6D Mark II and Alpha 7 IV?
EOS 6D Mark II weighs 765 g and Alpha 7 IV weighs 658 g, so the Alpha 7 IV is 107 g lighter.
Do the EOS 6D Mark II and Alpha 7 IV record 4K video?
EOS 6D Mark II: Full HD. Alpha 7 IV: 4K up to 60p.
Are the EOS 6D Mark II and Alpha 7 IV weather sealed?
EOS 6D Mark II: Yes. Alpha 7 IV: Yes.
Which has better battery life?
Rated battery life is 1,200 shots (CIPA) for the EOS 6D Mark II and 580 shots for the Alpha 7 IV, giving the EOS 6D Mark II the edge.
How much does each cost?
EOS 6D Mark II launched at $1,999 and Alpha 7 IV at $2,499. The EOS 6D Mark II is $500 less.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed May 2026.
Product images courtesy of Canon and Sony press materials.