Fujifilm
X-T4
Previous-gen APS-C flagship still popular for video and stills.
$1,699
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
X-T4
Wins
Alpha 7R VI
2 categories tied
Check current prices
Compare today's discounts, bundled lenses, and refurbished offers at the major authorized retailers for both cameras:
As an affiliate, Cameraegg may earn from qualifying purchases at no extra cost to you.
TL;DR — Key differences
- BAlpha 7R VI has higher RAW buffer depth (150 frames vs 35 frames)
- BAlpha 7R VI has higher Resolution (66.8 MP vs 26.1 MP)
- BAlpha 7R VI has higher EVF resolution (9,437,184 vs 3,690,000)
- BAlpha 7R VI has higher ISO max (native) (32,000 vs 12,800)
- BAlpha 7R VI has higher 4K max frame rate (120 fps vs 60 fps)
Key specs at a glance
Size and weight, to scale
X-T4
135 × 93 × 64 mm
607 g (1.34 lb / 21.41 oz)
Alpha 7R VI
133 × 97 × 83 mm
713 g (1.57 lb / 25.15 oz)
X-T4 is 4mm shorter and 19mm thinner than Alpha 7R VI but it is also 2mm wider.
X-T4 is 106 g lighter than Alpha 7R VI.
Depth (front-to-back): 64mm X-T4 · 83mm Alpha 7R VI
Back view, to scale
Width × Height — same proportions as the front of the body.
X-T4
135 × 93 mm
Alpha 7R VI
133 × 97 mm
Top view, to scale
Width × Depth (front-to-back) — see which body is chunkier on the table.
X-T4
135 × 64 mm
Alpha 7R VI
133 × 83 mm
Sensor size, to scale
X-T4
23.5 × 15.6 mm · APS-C
367 mm² area
Alpha 7R VI
35.9 × 24 mm · Full Frame
862 mm² area
2.3× larger sensor area = shallower depth of field and better low-light performance.
Lens ecosystem
Native lens selection
X-T4
Fujifilm X
105+
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
X-T4
AF low-light limit
-7 EV vs -6 EV — lower is better
Dimensions (W×H×D mm)
Adds 134.6, 92.8, 63.8
Card types
Adds SD UHS-II, SDXC V90
Pre-Capture / Pre-Release
Only X-T4 supports it
Weather sealing
Only X-T4 supports it
Weight
607 g vs 713 g — lower is better
Reasons to choose
Alpha 7R VI
Subject recognition
Adds Human, Animal, Bird…
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 35 frames — higher is better
Resolution
66.8 MP vs 26.1 MP — higher is better
EVF resolution
9,437,184 vs 3,690,000 — higher is better
ISO max (native)
32,000 vs 12,800 — higher is better
Codecs
Adds XAVC HS, XAVC S, XAVC S-I
Both cameras share
- ✓Eye AF — Both support eye af
- ✓Burst (electronic) — Both 30 fps
- ✓In-body stabilization — Both support in-body stabilization
- ✓Card slots — Both 2
- ✓Touchscreen — Both support touchscreen
- ✓Wi-Fi — Both support wi-fi
Pros & cons at a glance
Editorially curated highlights and trade-offs.
X-T4
Pros
- ✓IBIS
- ✓Dual slots
- ✓Film sims
Cons
- –Superseded by X-T5
- –26MP vs 40MP new models
- –Older AF
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 X-T4 and Alpha 7R VI at major authorized retailers.
Fujifilm X-T4
Sony Alpha 7R VI
Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for travel, X-T4 or Alpha 7R VI?
X-T4 scores 8.0/10 versus 5.0/10 for Alpha 7R VI — 607g — compact and travel-friendly.
What's the resolution difference between the X-T4 and Alpha 7R VI?
X-T4 is 26.1 MP and Alpha 7R VI is 66.8 MP, so the Alpha 7R VI captures more detail for cropping and large prints.
Do the X-T4 and Alpha 7R VI have in-body image stabilization?
X-T4 has 6.5-stop in-body image stabilization, while alpha 7R VI has in-body image stabilization.
Which shoots faster bursts — the X-T4 or the Alpha 7R VI?
X-T4 reaches 30 fps electronic. Alpha 7R VI reaches 30 fps electronic.
What's the weight difference between the X-T4 and Alpha 7R VI?
X-T4 weighs 607 g and Alpha 7R VI weighs 713 g, so the X-T4 is 106 g lighter.
Do the X-T4 and Alpha 7R VI record 4K video?
X-T4: 4K up to 60p. Alpha 7R VI: 8K (max), 4K up to 120p.
Are the X-T4 and Alpha 7R VI weather sealed?
X-T4: Yes. Alpha 7R VI: No.
Which has better battery life?
Rated battery life is 500 shots (CIPA) for the X-T4 and 600 shots for the Alpha 7R VI, giving the Alpha 7R VI the edge.
How much does each cost?
X-T4 launched at $1,699 and Alpha 7R VI at $4,499. The X-T4 is $2,800 less.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed May 2026.
Product images courtesy of Fujifilm and Sony press materials.