Nikon
D6
Nikon flagship sports DSLR with 14fps and the most advanced DSLR autofocus.
$6,499
Released Feb 2020
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 6.3 years newer.
Wins
D6
Wins
Alpha 7R VI
2 categories tied
TL;DR — Key differences
- BAlpha 7R VI has higher AF points / zones (759 vs 105)
- AD6 has higher Battery life (CIPA) (3580 shots vs 600 shots)
- BAlpha 7R VI has higher 4K max frame rate (120 fps vs 30 fps)
- BAlpha 7R VI has higher Resolution (66.8 MP vs 20.8 MP)
- AD6 has higher ISO max (native) (102,400 vs 32,000)
Key specs at a glance
Size and weight, to scale
D6
160 × 163 × 92 mm
1270 g (2.80 lb / 44.80 oz)
Alpha 7R VI
133 × 97 × 83 mm
713 g (1.57 lb / 25.15 oz)
D6 is 27mm wider, 66mm taller, and 9mm thicker than Alpha 7R VI.
D6 is 557 g heavier than Alpha 7R VI.
Depth (front-to-back): 92mm D6 · 83mm Alpha 7R VI
Back view, to scale
Width × Height — same proportions as the front of the body.
D6
160 × 163 mm
Alpha 7R VI
133 × 97 mm
Top view, to scale
Width × Depth (front-to-back) — see which body is chunkier on the table.
D6
160 × 92 mm
Alpha 7R VI
133 × 83 mm
Sensor size, to scale
D6
35.9 × 23.9 mm · Full Frame
858 mm² area
Alpha 7R VI
35.9 × 24 mm · Full Frame
862 mm² area
Lens ecosystem
Native lens selection
D6
Nikon F
270+
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
D6
Codecs
Adds H.264/AVC
Dimensions (W×H×D mm)
Adds 160, 163, 92
Card types
Adds CFexpress Type B / XQD, CFexpress Type B / XQD
Battery life (CIPA)
3580 shots vs 600 shots — higher is better
ISO max (native)
102,400 vs 32,000 — higher is better
AA filter
Only D6 supports it
Weather sealing
Only D6 supports it
Reasons to choose
Alpha 7R VI
AF low-light limit
-6 EV vs -4.5 EV — lower is better
Subject recognition
Adds Human, Animal, Bird…
Codecs
Adds XAVC HS, XAVC S, XAVC S-I…
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 105 — higher is better
4K max frame rate
120 fps vs 30 fps — higher is better
Resolution
66.8 MP vs 20.8 MP — higher is better
Both cameras share
- ✓ISO min (native) — Both 100
- ✓Card slots — Both 2
- ✓Touchscreen — Both support touchscreen
- ✓Wi-Fi — Both support wi-fi
- ✓Bluetooth — Both support bluetooth
- ✓Microphone jack (3.5mm) — Both support microphone jack (3.5mm)
Pros & cons at a glance
Editorially curated highlights and trade-offs.
D6
Pros
- ✓14fps flagship
- ✓Pro build
- ✓Best DSLR AF
- ✓Dual CFexpress
Cons
- –20MP
- –DSLR platform
- –Very expensive
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 portraits, D6 or Alpha 7R VI?
Alpha 7R VI scores 8.5/10 versus 3.5/10 for D6 — 66.8MP — excellent for large prints and crops.
What's the resolution difference between the D6 and Alpha 7R VI?
D6 is 20.8 MP and Alpha 7R VI is 66.8 MP, so the Alpha 7R VI captures more detail for cropping and large prints.
Do the D6 and Alpha 7R VI have in-body image stabilization?
D6 does not have IBIS, while alpha 7R VI has in-body image stabilization.
Which shoots faster bursts — the D6 or the Alpha 7R VI?
D6 reaches 14 fps mechanical. Alpha 7R VI reaches 30 fps electronic.
What's the weight difference between the D6 and Alpha 7R VI?
D6 weighs 1270 g and Alpha 7R VI weighs 713 g, so the Alpha 7R VI is 557 g lighter.
Do the D6 and Alpha 7R VI record 4K video?
D6: 4K up to 30p. Alpha 7R VI: 8K (max), 4K up to 120p.
Are the D6 and Alpha 7R VI weather sealed?
D6: Yes. Alpha 7R VI: No.
Which has better battery life?
Rated battery life is 3,580 shots (CIPA) for the D6 and 600 shots for the Alpha 7R VI, giving the D6 the edge.
How much does each cost?
D6 launched at $6,499 and Alpha 7R VI at $4,499. The Alpha 7R VI is $2,000 less.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed May 2026.
Product images courtesy of Nikon and Sony press materials.