Canon
EOS 800D
Entry APS-C DSLR (Rebel T7i) with Dual Pixel AF, 24MP, and articulating touchscreen.
$749
Launch priceReleased Feb 2017
Canon
EOS R6 Mark III
Hybrid 32.5MP full-frame RF body with 7K RAW video, 40fps electronic burst, 8.5-stop IBIS, and Dual Pixel CMOS AF II.
$2,799
Launch priceReleased Nov 2025
EOS R6 Mark III is 8.8 years newer.
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Wins
EOS 800D
Wins
EOS R6 Mark III
6 categories tied
Which would you choose?
TL;DR — Key differences
- BEOS R6 Mark III has higher IBIS effectiveness (8.5 stops vs 0 stops)
- BEOS R6 Mark III has higher Max video bit rate (2600 Mbps vs 150 Mbps)
- BEOS R6 Mark III has higher Burst (electronic) (40 fps vs 11 fps)
- BEOS R6 Mark III has higher ISO max (native) (64,000 vs 25,600)
- BEOS R6 Mark III has higher RAW buffer depth (150 frames vs 60 frames)
Key specs at a glance
Size and weight, to scale
📸 Snap this size diff to shareEOS 800D
131 × 100 × 76 mm
532 g (1.17 lb / 18.77 oz)
Credit card
85.6 × 54 mm
for scale
EOS R6 Mark III
138 × 98 × 88 mm
699 g (1.54 lb / 24.66 oz)
EOS 800D is 7mm narrower and 12mm thinner than EOS R6 Mark III but it is also 2mm taller.
EOS 800D is 167 g lighter than EOS R6 Mark III.
Depth (front-to-back): 76mm EOS 800D · 88mm EOS R6 Mark III
Back view, to scale
Width × Height — same proportions as the front of the body.
EOS 800D
131 × 100 mm
Credit card
85.6 × 54 mm
EOS R6 Mark III
138 × 98 mm
Top view, to scale
Width × Depth (front-to-back) — see which body is chunkier on the table.
EOS 800D
131 × 76 mm
Credit card
85.6 × 54 mm
EOS R6 Mark III
138 × 88 mm
Sensor size, to scale
EOS 800D
22.3 × 14.9 mm · APS-C
332 mm² area
EOS R6 Mark III
35.9 × 23.9 mm · Full Frame
858 mm² area
2.6× larger sensor area = shallower depth of field and better low-light performance.
Lens ecosystem
Native lens selection
EOS 800D
✓ more lensesCanon EF
300+
native lenses available
EOS R6 Mark III
Canon RF
105+
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
EOS 800D
Subject recognition
Adds Human, Animal, Bird…
Dimensions (W×H×D mm)
Adds 131, 100, 76.2
Weight
532 g vs 699 g — lower is better
EVF magnification
0.78 × vs 0.76 × — higher is better
Reasons to choose
EOS R6 Mark III
Subject recognition
Adds People, Dogs, Cats…
IBIS effectiveness
8.5 stops vs 0 stops — higher is better
Dimensions (W×H×D mm)
Adds 138.4, 98.4, 88.4
Max video bit rate
2600 Mbps vs 150 Mbps — higher is better
Burst (electronic)
40 fps vs 11 fps — higher is better
ISO max (native)
64,000 vs 25,600 — higher is better
RAW buffer depth
150 frames vs 60 frames — higher is better
Codecs
Adds CRM, XF-HEVC S, XF-AVC S
Both cameras share
- ✓AA filter — Both support aa filter
- ✓ISO min (native) — Both 100
- ✓AF points / zones — Both 1053
- ✓AF frame coverage — Both 100 %
- ✓Eye AF — Both support eye af
- ✓Battery life (CIPA) — Both 640 shots
Pros & cons at a glance
Editorially curated highlights and trade-offs.
EOS 800D
Pros
- ✓Dual Pixel AF
- ✓Articulating screen
- ✓24MP APS-C
- ✓Good beginner DSLR
Cons
- –Superseded by T8i
- –No IBIS
- –DSLR declining
EOS R6 Mark III
Pros
- ✓32.5MP full-frame sensor
- ✓7K RAW video & 4K 120p
- ✓40fps electronic burst with Pre-Continuous
- ✓8.5-stop IBIS
Cons
- –Single CFexpress Type B + SD slot
- –Smaller LCD than R5 II
- –LP-E6P required for full features
Decided which one is right for you?
Compare live prices for the EOS 800D and EOS R6 Mark III at major authorized retailers.
Canon EOS 800D
Canon EOS R6 Mark III
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Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for landscape, EOS 800D or EOS R6 Mark III?
EOS R6 Mark III scores 7.5/10 versus 1.5/10 for EOS 800D — 32.5MP — ample resolution.
What's the resolution difference between the EOS 800D and EOS R6 Mark III?
EOS 800D is 24.2 MP and EOS R6 Mark III is 32.5 MP, so the EOS R6 Mark III captures more detail for cropping and large prints.
Do the EOS 800D and EOS R6 Mark III have in-body image stabilization?
EOS 800D does not have IBIS, while EOS R6 Mark III has 8.5-stop in-body image stabilization.
Which shoots faster bursts — the EOS 800D or the EOS R6 Mark III?
EOS 800D reaches 11 fps electronic. EOS R6 Mark III reaches 40 fps electronic.
What's the weight difference between the EOS 800D and EOS R6 Mark III?
EOS 800D weighs 532 g and EOS R6 Mark III weighs 699 g, so the EOS 800D is 167 g lighter.
Do the EOS 800D and EOS R6 Mark III record 4K video?
EOS 800D: 4K up to 60p. EOS R6 Mark III: 4K up to 120p.
Are the EOS 800D and EOS R6 Mark III weather sealed?
EOS 800D: No. EOS R6 Mark III: Yes.
Which has better battery life?
Rated battery life is 640 shots (CIPA) for the EOS 800D and 640 shots for the EOS R6 Mark III, giving the EOS R6 Mark III the edge.
How much does each cost?
EOS 800D launched at $749 and EOS R6 Mark III at $2,799. The EOS 800D is $2,050 less.
Can't decide between two? Compare a third camera.
Add any camera to get a three-way EOS 800D vs EOS R6 Mark III vs X comparison.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed June 2026.
Product images courtesy of Canon press materials.