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Nikon

D6

Nikon flagship sports DSLR with 14fps and the most advanced DSLR autofocus.

$6,499

Launch price

Released Feb 2020

vs
Alpha 7R VI

Sony

Alpha 7R VI

66.8MP stacked full-frame high-resolution body with 30fps bursts, 8K 30p, 4K 120p, and Sony's AI processing unit.

$4,499

Launch price

Released Jun 2026

Alpha 7R VI is 6.3 years newer.

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Wins

2categories

D6

Wins

7categories

Alpha 7R VI

PortraitVideo & Hybrid

2 categories tied

Which would you choose?

TL;DR — Key differences

D6 wins 2 categories·Alpha 7R VI wins 3 categories
  • 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

D6Alpha 7R VI
Resolution20.8 MP66.8 MP
SensorFull FrameFull Frame
ISO max102,40032,000
Burst14 fps30 fps
4K30 fps120 fps
IBISNoYes
Weight1270 g713 g
Battery3580 shots600 shots

Size and weight, to scale

D6

160 × 163 × 92 mm

1270 g (2.80 lb / 44.80 oz)

Credit card shown to scale as a size reference (ISO 7810, 85.6 × 54 mm)

Credit card

85.6 × 54 mm

for scale

Alpha 7R VI front view

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

Credit card shown to scale as a size reference (ISO 7810, 85.6 × 54 mm)

Credit card

85.6 × 54 mm

Alpha 7R VI back view

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

Credit card shown to scale as a size reference (ISO 7810, 85.6 × 54 mm)

Credit card

85.6 × 54 mm

Alpha 7R VI top view

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

90 first-party180 third-party

Alpha 7R VI

✓ more lenses

Sony E

350+

native lenses available

80 first-party270 third-party

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

Use caseD6Alpha 7R VI
Portrait
3.5Limited
8.5Excellent✓ wins
Sports & Action
3.0Limited
7.0Good✓ wins
Video & Hybrid
3.0Limited
8.0Excellent✓ wins
Landscape
4.5Fair
7.5Good✓ wins
Travel
4.5Fair
5.0Fair✓ wins
Wildlife
4.0Fair
6.5Good✓ wins
Vlogging
2.0Limited
5.5Fair✓ wins

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 slotsBoth 2
  • TouchscreenBoth support touchscreen
  • Wi-FiBoth support wi-fi
  • BluetoothBoth 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 stacked full-frame sensor
  • 30fps blackout-free electronic burst
  • 8K 30p and 4K 120p video
  • 5-axis sensor-shift 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 D6 and Alpha 7R VI at major authorized retailers.

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

D6
Alpha 7R VI
Resolution
20.8 MP
66.8 MP3.2× more
Sensor type
Full Frame CMOS
Full-Frame Stacked CMOS
Sensor size
35.9 × 23.9 mm
35.9 × 24.0 mm
AA filter
Yes
No
D6
Alpha 7R VI
Processor
EXPEED 6
BIONZ XR with AI processing unit
D6
Alpha 7R VI
ISO min (native)
100
100
ISO max (native)
102,400+1.7 stops
32,000
ISO max (expanded)
3,280,000
102,400
D6
Alpha 7R VI
Shutter type
Mechanical focal-plane
Mechanical focal plane shutter + electronic rolling shutter
Max mechanical speed
1/8000 sec
1/8000 sec
Max electronic speed
1/8000 sec

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.

Can't decide between two? Compare a third camera.

Add any camera to get a three-way D6 vs Alpha 7R VI vs X comparison.

Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed July 2026.

Product images courtesy of Nikon and Sony press materials.