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Canon

EOS Rebel SL3

World's lightest DSLR with 24MP APS-C, Dual Pixel AF in live view, and vari-angle touchscreen.

$549

Launch price

Released Apr 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 7.2 years newer.

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Wins

4categories

EOS Rebel SL3

TravelVlogging

Wins

9categories

Alpha 7R VI

PortraitVideo & Hybrid

1 categories tied

Which would you choose?

TL;DR — Key differences

EOS Rebel SL3 wins 0 categories·Alpha 7R VI wins 5 categories
  • BAlpha 7R VI has higher RAW buffer depth (150 frames vs 6 frames)
  • BAlpha 7R VI has higher Burst (electronic) (30 fps vs 5 fps)
  • BAlpha 7R VI has higher Max video bit rate (600 Mbps vs 150 Mbps)
  • BAlpha 7R VI has higher EVF resolution (9,437,184 vs 2,360,000)
  • BAlpha 7R VI has higher Resolution (66.8 MP vs 24.1 MP)

Key specs at a glance

EOS Rebel SL3Alpha 7R VI
Resolution24.1 MP66.8 MP
Sensor22.3 × 14.9 mmFull Frame
ISO max25,60032,000
Burst5 fps30 fps
4K60 fps120 fps
IBISNoYes
Weight449 g713 g
Battery640 shots600 shots

Size and weight, to scale

EOS Rebel SL3

122 × 93 × 70 mm

449 g (0.99 lb / 15.84 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)

EOS Rebel SL3 is 10mm narrower, 4mm shorter, and 13mm thinner than Alpha 7R VI.

EOS Rebel SL3 is 264 g lighter than Alpha 7R VI.

Depth (front-to-back): 70mm EOS Rebel SL3 · 83mm Alpha 7R VI

Back view, to scale

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

EOS Rebel SL3

122 × 93 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.

EOS Rebel SL3

122 × 70 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

EOS Rebel SL3

22.3 × 14.9 mm · APS-C

332 mm² area

Alpha 7R VI

35.9 × 24 mm · Full Frame

862 mm² area

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

Lens ecosystem

Native lens selection

EOS Rebel SL3: 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 caseEOS Rebel SL3Alpha 7R VI
Portrait
4.0Fair
8.5Excellent✓ wins
Sports & Action
4.0Fair
7.0Good✓ wins
Video & Hybrid
4.5Fair
8.0Excellent✓ wins
Landscape
1.5Limited
7.5Good✓ wins
Travel
6.5Good✓ wins
5.0Fair
Wildlife
3.5Limited
6.5Good✓ wins
Vlogging
6.0Good✓ wins
5.5Fair

Why pick one over the other

Reasons to choose

EOS Rebel SL3

  • Dimensions (W×H×D mm)

    Adds 122.4, 92.6, 69.8

  • Card types

    Adds SD UHS-II

  • AA filter

    Only EOS Rebel SL3 supports it

  • AF low-light limit

    -6.5 EV vs -6 EV — lower is better

  • Weight

    449 g vs 713 g — lower is better

  • AF points / zones

    1053 vs 759 — higher is better

  • Battery life (CIPA)

    640 shots vs 600 shots — higher 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 6 frames — higher is better

  • Burst (electronic)

    30 fps vs 5 fps — higher is better

  • Max video bit rate

    600 Mbps vs 150 Mbps — higher is better

  • EVF resolution

    9,437,184 vs 2,360,000 — higher is better

  • Resolution

    66.8 MP vs 24.1 MP — higher is better

  • Codecs

    Adds XAVC HS, XAVC S, XAVC S-I

Both cameras share

  • ISO min (native)Both 100
  • Eye AFBoth support eye af
  • 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.

EOS Rebel SL3

Pros

  • Lightest DSLR
  • Dual Pixel live view AF
  • Vari-angle screen
  • Affordable

Cons

  • DSLR declining
  • No 4K 60p
  • Single card slot

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 EOS Rebel SL3 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

EOS Rebel SL3
Alpha 7R VI
Resolution
24.1 MP
66.8 MP2.8× more
Sensor type
APS-C CMOS
Full-Frame Stacked CMOS
Sensor size
22.3 × 14.9 mm
35.9 × 24.0 mm
AA filter
Yes
No
EOS Rebel SL3
Alpha 7R VI
Processor
DIGIC X
BIONZ XR with AI processing unit
EOS Rebel SL3
Alpha 7R VI
ISO min (native)
100
100
ISO max (native)
25,600
32,000+0.3 stops
ISO max (expanded)
102,400
102,400
EOS Rebel SL3
Alpha 7R VI
Shutter type
Mechanical + Electronic
Mechanical focal plane shutter + electronic rolling shutter
Max mechanical speed
1/8000 sec
1/8000 sec
Max electronic speed
1/16000 sec

Frequently asked

Quick answers generated from verified specs.

Which is better for landscape, EOS Rebel SL3 or Alpha 7R VI?

Alpha 7R VI scores 7.5/10 versus 1.5/10 for EOS Rebel SL3 — 66.8MP — massive detail for large prints.

What's the resolution difference between the EOS Rebel SL3 and Alpha 7R VI?

EOS Rebel SL3 is 24.1 MP and Alpha 7R VI is 66.8 MP, so the Alpha 7R VI captures more detail for cropping and large prints.

Do the EOS Rebel SL3 and Alpha 7R VI have in-body image stabilization?

EOS Rebel SL3 does not have IBIS, while Alpha 7R VI has in-body image stabilization.

Which shoots faster bursts — the EOS Rebel SL3 or the Alpha 7R VI?

EOS Rebel SL3 reaches 5 fps electronic. Alpha 7R VI reaches 30 fps electronic.

What's the weight difference between the EOS Rebel SL3 and Alpha 7R VI?

EOS Rebel SL3 weighs 449 g and Alpha 7R VI weighs 713 g, so the EOS Rebel SL3 is 264 g lighter.

Do the EOS Rebel SL3 and Alpha 7R VI record 4K video?

EOS Rebel SL3: 4K up to 60p. Alpha 7R VI: 8K (max), 4K up to 120p.

Are the EOS Rebel SL3 and Alpha 7R VI weather sealed?

EOS Rebel SL3: No. Alpha 7R VI: No.

Which has better battery life?

Rated battery life is 640 shots (CIPA) for the EOS Rebel SL3 and 600 shots for the Alpha 7R VI, giving the EOS Rebel SL3 the edge.

How much does each cost?

EOS Rebel SL3 launched at $549 and Alpha 7R VI at $4,499. The EOS Rebel SL3 is $3,950 less.

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

Add any camera to get a three-way EOS Rebel SL3 vs Alpha 7R VI vs X comparison.

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

Product images courtesy of Canon and Sony press materials.