Fujifilm
X-T100
Entry SLR-style X-mount body with 24MP APS-C sensor, EVF, and three-way tilting LCD.
$599
Released May 2018
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 8 years newer.
Wins
X-T100
Wins
Alpha 7R VI
TL;DR — Key differences
- BAlpha 7R VI has higher RAW buffer depth (150 frames vs 10 frames)
- BAlpha 7R VI has higher Max video bit rate (600 Mbps vs 50 Mbps)
- BAlpha 7R VI has higher 4K max frame rate (120 fps vs 15 fps)
- BAlpha 7R VI has higher Burst (electronic) (30 fps vs 6 fps)
- BAlpha 7R VI has higher EVF resolution (9,437,184 vs 2,360,000)
Key specs at a glance
Size and weight, to scale
X-T100
121 × 83 × 47 mm
448 g (0.99 lb / 15.80 oz)
Alpha 7R VI
133 × 97 × 83 mm
713 g (1.57 lb / 25.15 oz)
X-T100 is 12mm narrower, 14mm shorter, and 36mm thinner than Alpha 7R VI.
X-T100 is 265 g lighter than Alpha 7R VI.
Depth (front-to-back): 47mm X-T100 · 83mm Alpha 7R VI
Back view, to scale
Width × Height — same proportions as the front of the body.
X-T100
121 × 83 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-T100
121 × 47 mm
Alpha 7R VI
133 × 83 mm
Sensor size, to scale
X-T100
23.5 × 15.7 mm · APS-C
369 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-T100
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-T100
Dimensions (W×H×D mm)
Adds 121, 83, 47.4
Card types
Adds SD UHS-I
Weight
448 g vs 713 g — lower is better
Reasons to choose
Alpha 7R VI
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 10 frames — higher is better
Max video bit rate
600 Mbps vs 50 Mbps — higher is better
4K max frame rate
120 fps vs 15 fps — higher is better
Subject recognition
Adds Animal, Bird, Eye…
Burst (electronic)
30 fps vs 6 fps — higher is better
Codecs
Adds XAVC HS, XAVC S, XAVC S-I…
Both cameras share
- ✓Eye AF — Both support eye af
- ✓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.
X-T100
Pros
- ✓Built-in EVF
- ✓24MP APS-C
- ✓Great battery life
Cons
- –4K limited to 15p
- –Entry AF
- –No IBIS
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 landscape, X-T100 or Alpha 7R VI?
Alpha 7R VI scores 7.5/10 versus 1.5/10 for X-T100 — 66.8MP — massive detail for large prints.
What's the resolution difference between the X-T100 and Alpha 7R VI?
X-T100 is 24.2 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-T100 and Alpha 7R VI have in-body image stabilization?
X-T100 does not have IBIS, while alpha 7R VI has in-body image stabilization.
Which shoots faster bursts — the X-T100 or the Alpha 7R VI?
X-T100 reaches 6 fps electronic. Alpha 7R VI reaches 30 fps electronic.
What's the weight difference between the X-T100 and Alpha 7R VI?
X-T100 weighs 448 g and Alpha 7R VI weighs 713 g, so the X-T100 is 265 g lighter.
Do the X-T100 and Alpha 7R VI record 4K video?
X-T100: 4K up to 15p. Alpha 7R VI: 8K (max), 4K up to 120p.
Are the X-T100 and Alpha 7R VI weather sealed?
X-T100: No. Alpha 7R VI: No.
Which has better battery life?
Rated battery life is 430 shots (CIPA) for the X-T100 and 600 shots for the Alpha 7R VI, giving the Alpha 7R VI the edge.
How much does each cost?
X-T100 launched at $599 and Alpha 7R VI at $4,499. The X-T100 is $3,900 less.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed May 2026.
Product images courtesy of Fujifilm and Sony press materials.