Cameraegg Compare logoCameraegg
GFX100

Fujifilm

GFX100

Original 102MP GFX flagship with integrated vertical grip, IBIS, phase-detect AF, and 4K video.

$9,999

Launch price

Released May 2019

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 7 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

3categories

GFX100

LandscapePortrait

Wins

10categories

Alpha 7R VI

PortraitVideo & Hybrid

2 categories tied

Which would you choose?

TL;DR — Key differences

GFX100 wins 1 categories·Alpha 7R VI wins 4 categories
  • AGFX100 has higher AF points / zones (3760000 vs 759)
  • BAlpha 7R VI has higher RAW buffer depth (150 frames vs 14 frames)
  • BAlpha 7R VI has higher Burst (electronic) (30 fps vs 5 fps)
  • BAlpha 7R VI has higher 4K max frame rate (120 fps vs 29.97 fps)
  • BAlpha 7R VI has higher ISO max (native) (32,000 vs 12,800)

Key specs at a glance

GFX100Alpha 7R VI
Resolution102 MP66.8 MP
Sensor43.8 x 32.9Full Frame
ISO max12,80032,000
Burst5 fps30 fps
4K29.97 fps120 fps
IBIS5.5-stopYes
Weight1400 g713 g
Battery800 shots600 shots

Size and weight, to scale

GFX100 front view

GFX100

156 × 164 × 103 mm

1400 g (3.09 lb / 49.38 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)

GFX100 is 24mm wider, 67mm taller, and 20mm thicker than Alpha 7R VI.

GFX100 is 687 g heavier than Alpha 7R VI.

Depth (front-to-back): 103mm GFX100 · 83mm Alpha 7R VI

Back view, to scale

Width × Height — same proportions as the front of the body.

GFX100 back view

GFX100

156 × 164 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.

GFX100 top view

GFX100

156 × 103 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

GFX100

43.8 × 32.9 mm · Full Frame

1441 mm² area

Alpha 7R VI

35.9 × 24 mm · Full Frame

862 mm² area

1.7× larger sensor area = shallower depth of field and better low-light performance.

Lens ecosystem

Native lens selection

GFX100: mount data unavailable

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 caseGFX100Alpha 7R VI
Portrait
6.0Good
8.5Excellent✓ wins
Sports & Action
3.5Limited
7.0Good✓ wins
Video & Hybrid
3.0Limited
8.0Excellent✓ wins
Landscape
7.0Good
7.5Good✓ wins
Travel
5.5Fair✓ wins
5.0Fair
Wildlife
1.5Limited
6.5Good✓ wins
Vlogging
4.0Fair
5.5Fair✓ wins

Why pick one over the other

Reasons to choose

GFX100

  • Dimensions (W×H×D mm)

    Adds 156.2, 163.6, 102.9

  • Card types

    Adds SD, SDHC, SDXC

  • AF points / zones

    3760000 vs 759 — higher is better

  • Weather sealing

    Only GFX100 supports it

  • Resolution

    102 MP vs 66.8 MP — higher is better

  • Subject recognition

    Adds Face

  • Battery life (CIPA)

    800 shots vs 600 shots — higher 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

  • RAW buffer depth

    150 frames vs 14 frames — higher is better

  • Burst (electronic)

    30 fps vs 5 fps — higher is better

  • 4K max frame rate

    120 fps vs 29.97 fps — higher is better

  • Subject recognition

    Adds Animal, Bird, Insect…

  • ISO max (native)

    32,000 vs 12,800 — higher is better

Both cameras share

  • ISO min (native)Both 100
  • Eye AFBoth support eye af
  • In-body stabilization (IBIS)Both support in-body stabilization (ibis)
  • Card slotsBoth 2
  • TouchscreenBoth support touchscreen
  • Wi-FiBoth support wi-fi

Pros & cons at a glance

Editorially curated highlights and trade-offs.

GFX100

Pros

  • 102MP medium format sensor
  • Built-in vertical grip
  • IBIS
  • 4K video

Cons

  • Very large body
  • Expensive
  • Older AF generation

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 GFX100 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

GFX100
Alpha 7R VI
Resolution
102 MP+53%
66.8 MP
Sensor type
CMOS
Full-Frame Stacked CMOS
Sensor size
43.8 x 32.9
35.9 × 24.0 mm
AA filter
No
No
GFX100
Alpha 7R VI
Processor
X-Processor 4
BIONZ XR with AI processing unit
GFX100
Alpha 7R VI
ISO min (native)
100
100
ISO max (native)
12,800
32,000+1.3 stops
ISO max (expanded)
102,400
102,400
GFX100
Alpha 7R VI
Shutter type
Mechanical Focal Plane Shutter
Mechanical focal plane shutter + electronic rolling shutter
Max mechanical speed
1/4000 sec
1/8000 sec
Max electronic speed
1/16000 sec

Frequently asked

Quick answers generated from verified specs.

Which is better for video, GFX100 or Alpha 7R VI?

Alpha 7R VI scores 8.0/10 versus 3.0/10 for GFX100 — 8K recording for future-proof footage.

What's the resolution difference between the GFX100 and Alpha 7R VI?

GFX100 is 102 MP and Alpha 7R VI is 66.8 MP, so the GFX100 captures more detail for cropping and large prints.

Do the GFX100 and Alpha 7R VI have in-body image stabilization?

GFX100 has 5.5-stop in-body image stabilization, while Alpha 7R VI has in-body image stabilization.

Which shoots faster bursts — the GFX100 or the Alpha 7R VI?

GFX100 reaches 5 fps electronic. Alpha 7R VI reaches 30 fps electronic.

What's the weight difference between the GFX100 and Alpha 7R VI?

GFX100 weighs 1400 g and Alpha 7R VI weighs 713 g, so the Alpha 7R VI is 687 g lighter.

Do the GFX100 and Alpha 7R VI record 4K video?

GFX100: 4K up to 29.97p. Alpha 7R VI: 8K (max), 4K up to 120p.

Are the GFX100 and Alpha 7R VI weather sealed?

GFX100: Yes. Alpha 7R VI: No.

Which has better battery life?

Rated battery life is 800 shots (CIPA) for the GFX100 and 600 shots for the Alpha 7R VI, giving the GFX100 the edge.

How much does each cost?

GFX100 launched at $9,999 and Alpha 7R VI at $4,499. The Alpha 7R VI is $5,500 less.

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

Add any camera to get a three-way GFX100 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 Fujifilm and Sony press materials.