Sony
Alpha 6700
26MP APS-C flagship with AI subject tracking, 4K 120p, and 5-stop IBIS.
$1,399
Launch priceReleased Jul 2023
Sony
Alpha 7 III
Classic 24MP hybrid that defined the modern full-frame value proposition.
$1,999
Launch priceReleased Feb 2018
Alpha 6700 is 5.3 years newer.
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Wins
Alpha 6700
Wins
Alpha 7 III
4 categories tied
Which would you choose?
TL;DR — Key differences
- AAlpha 6700 has higher 4K max frame rate (120 fps vs 30 fps)
- AAlpha 6700 has higher Max video bit rate (280 Mbps vs 100 Mbps)
- BAlpha 7 III has higher Card slots (2 vs 1)
- BAlpha 7 III has higher EVF refresh rate (120 Hz vs 60 Hz)
- BAlpha 7 III has higher ISO max (native) (51,200 vs 32,000)
Key specs at a glance
Size and weight, to scale
📸 Snap this size diff to share
Alpha 6700
122 × 69 × 75 mm
493 g (1.09 lb / 17.39 oz)
Credit card
85.6 × 54 mm
for scale
Alpha 7 III
127 × 96 × 74 mm
650 g (1.43 lb / 22.93 oz)
Alpha 6700 is 5mm narrower and 27mm shorter than Alpha 7 III but it is also 1mm thicker.
Alpha 6700 is 157 g lighter than Alpha 7 III.
Depth (front-to-back): 75mm Alpha 6700 · 74mm Alpha 7 III
Back view, to scale
Width × Height — same proportions as the front of the body.
Alpha 6700
122 × 69 mm
Credit card
85.6 × 54 mm
Alpha 7 III
127 × 96 mm
Top view, to scale
Width × Depth (front-to-back) — see which body is chunkier on the table.
Alpha 6700
122 × 75 mm
Credit card
85.6 × 54 mm
Alpha 7 III
127 × 74 mm
Sensor size, to scale
Alpha 6700
23.3 × 15.5 mm · APS-C
361 mm² area
Alpha 7 III
35.6 × 23.8 mm · Full Frame
847 mm² area
2.3× larger sensor area = shallower depth of field and better low-light performance.
Lens ecosystem
Native lens selection
Alpha 6700
✓ more lensesSony E
350+
native lenses available
Alpha 7 III
✓ 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
Alpha 6700
Dimensions (W×H×D mm)
Adds 122, 69, 75.1
Card types
Adds SD, SDHC, SDXC
4K max frame rate
120 fps vs 30 fps — higher is better
Subject recognition
Adds Bird, Insect, Car/Train…
Codecs
Adds XAVC HS, XAVC S-I
Max video bit rate
280 Mbps vs 100 Mbps — higher is better
EVF magnification
1.07 × vs 0.78 × — higher is better
Weight
493 g vs 650 g — lower is better
Reasons to choose
Alpha 7 III
Dimensions (W×H×D mm)
Adds 126.9, 95.6, 73.7
Card types
Adds SD UHS-II, SD UHS-I
Codecs
Adds AVCHD, H.264
AA filter
Only Alpha 7 III supports it
Card slots
2 vs 1 — higher is better
EVF refresh rate
120 Hz vs 60 Hz — higher is better
ISO max (native)
51,200 vs 32,000 — higher is better
RAW buffer depth
89 frames vs 59 frames — higher is better
Both cameras share
- ✓ISO min (native) — Both 100
- ✓Eye AF — Both support eye af
- ✓Animal / bird AF — Both support animal / bird af
- ✓In-body stabilization (IBIS) — Both support in-body stabilization (ibis)
- ✓IBIS effectiveness — Both 5 stops
- ✓Weather sealing — Both support weather sealing
Pros & cons at a glance
Editorially curated highlights and trade-offs.
Alpha 6700
Pros
- ✓AI-based subject recognition from A7R V
- ✓4K 120p Super35 — outstanding slow-motion
- ✓5-stop IBIS in a compact APS-C body
- ✓10-bit 4:2:2 internal recording
Cons
- –Single card slot
- –APS-C sensor — narrower DR vs. full-frame
- –LCD resolution 1.03M dots — below competitors
- –No headphone jack
Alpha 7 III
Pros
- ✓Proven reliability
- ✓Great battery life
- ✓Strong value used
- ✓Dual card slots
Cons
- –Older AF vs newer bodies
- –4K 30p only
- –No 10-bit internal
Decided which one is right for you?
Compare live prices for the Alpha 6700 and Alpha 7 III at major authorized retailers.
Sony Alpha 6700
Sony Alpha 7 III
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Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for sports, Alpha 6700 or Alpha 7 III?
Alpha 6700 scores 8.0/10 versus 4.0/10 for Alpha 7 III — 11fps burst — solid for most action.
What's the resolution difference between the Alpha 6700 and Alpha 7 III?
Alpha 6700 is 26 MP and Alpha 7 III is 24.2 MP, so the Alpha 6700 captures more detail for cropping and large prints.
Do the Alpha 6700 and Alpha 7 III have in-body image stabilization?
Alpha 6700 has 5-stop in-body image stabilization, while Alpha 7 III has 5-stop in-body image stabilization.
Which shoots faster bursts — the Alpha 6700 or the Alpha 7 III?
Alpha 6700 reaches 11 fps electronic. Alpha 7 III reaches 10 fps electronic.
What's the weight difference between the Alpha 6700 and Alpha 7 III?
Alpha 6700 weighs 493 g and Alpha 7 III weighs 650 g, so the Alpha 6700 is 157 g lighter.
Do the Alpha 6700 and Alpha 7 III record 4K video?
Alpha 6700: 4K up to 120p. Alpha 7 III: 4K up to 30p.
Are the Alpha 6700 and Alpha 7 III weather sealed?
Alpha 6700: Yes. Alpha 7 III: Yes.
Which has better battery life?
Rated battery life is 550 shots (CIPA) for the Alpha 6700 and 710 shots for the Alpha 7 III, giving the Alpha 7 III the edge.
How much does each cost?
Alpha 6700 launched at $1,399 and Alpha 7 III at $1,999. The Alpha 6700 is $600 less.
Can't decide between two? Compare a third camera.
Add any camera to get a three-way Alpha 6700 vs Alpha 7 III vs X comparison.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed September 2026.
Product images courtesy of Sony press materials.