Sony
Alpha 6700
26MP APS-C flagship with AI subject tracking, 4K 120p, and 5-stop IBIS.
$1,399
Released Jul 2023
Sony
Alpha 7 IV
33MP hybrid all-rounder with 10-bit 4K 60p and AI-powered subject tracking.
$2,499
Released Oct 2021
Alpha 6700 is 1.8 years newer.
Wins
Alpha 6700
Wins
Alpha 7 IV
3 categories tied
TL;DR — Key differences
- BAlpha 7 IV has higher RAW buffer depth (828 frames vs 44 frames)
- AAlpha 6700 has higher 4K max frame rate (120 fps vs 60 fps)
- BAlpha 7 IV has higher Card slots (2 vs 1)
- BAlpha 7 IV has higher EVF refresh rate (120 Hz vs 60 Hz)
- BAlpha 7 IV has higher ISO max (native) (51,200 vs 32,000)
Key specs at a glance
Size and weight, to scale
Alpha 6700
122 × 69 × 75 mm
493 g (1.09 lb / 17.39 oz)
Alpha 7 IV
131 × 96 × 80 mm
658 g (1.45 lb / 23.21 oz)
Alpha 6700 is 9mm narrower, 27mm shorter, and 5mm thinner than Alpha 7 IV.
Alpha 6700 is 165 g lighter than Alpha 7 IV.
Depth (front-to-back): 75mm Alpha 6700 · 80mm Alpha 7 IV
Sensor size, to scale
Alpha 6700
23.3 × 15.5 mm · APS-C
361 mm² area
Alpha 7 IV
35.9 × 23.9 mm · Full Frame
858 mm² area
2.4× 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 IV
✓ 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
The verdict
The $1100 price difference forces a choice between the Alpha 6700's 4K 120fps video capabilities and the Alpha 7 IV's 33-megapixel full-frame sensor.
Choose the Sony Alpha 6700 if you need a portable 493g body for travel or wildlife, as it features a dedicated AI processing unit for subject recognition and high-speed 4K 120fps video.
Choose the Sony Alpha 7 IV if you are a professional requiring data redundancy and high-resolution output, utilizing its dual storage slots and 33-megapixel sensor for imaging in low light with its 51200 native max ISO.
Why pick one over the other
Reasons to choose
Alpha 6700
Dimensions (W×H×D mm)
Adds 122, 69, 75.1
4K max frame rate
120 fps vs 60 fps — higher is better
Weight
493 g vs 658 g — lower is better
Burst (mechanical)
11 fps vs 10 fps — higher is better
Burst (electronic)
11 fps vs 10 fps — higher is better
Reasons to choose
Alpha 7 IV
AF low-light limit
-4 EV vs -3 EV — lower is better
Dimensions (W×H×D mm)
Adds 131.3, 96.4, 79.8
RAW buffer depth
828 frames vs 44 frames — higher is better
AA filter
Only Alpha 7 IV supports it
Internal RAW video
Only Alpha 7 IV supports it
Card slots
2 vs 1 — higher is better
Card types
Adds CFexpress Type A
EVF refresh rate
120 Hz vs 60 Hz — higher is better
Both cameras share
- ✓ISO min (native) — Both 100
- ✓AF points / zones — Both 759
- ✓Eye AF — Both support eye af
- ✓Animal / bird AF — Both support animal / bird af
- ✓Max video bit rate — Both 600 Mbps
- ✓In-body stabilization — Both support in-body stabilization
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 IV
Pros
- ✓33MP — more detail for cropping and print
- ✓10-bit 4K 60p (Super35 crop) / 4K 30p full-frame
- ✓Full-size HDMI port
- ✓759 phase-detect AF points
Cons
- –4K 60p requires Super35 crop
- –10fps burst lags behind R6 II at 40fps
- –Complex menu system
Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for landscape, Alpha 6700 or Alpha 7 IV?
Alpha 7 IV scores 7.5/10 versus 4.0/10 for Alpha 6700 — 33MP — ample resolution.
What's the resolution difference between the Alpha 6700 and Alpha 7 IV?
Alpha 6700 is 26 MP and Alpha 7 IV is 33 MP, so the Alpha 7 IV captures more detail for cropping and large prints.
Do the Alpha 6700 and Alpha 7 IV have in-body image stabilization?
Alpha 6700 has 5-stop in-body image stabilization, while alpha 7 IV has 5.5-stop in-body image stabilization.
Which shoots faster bursts — the Alpha 6700 or the Alpha 7 IV?
Alpha 6700 reaches 11 fps electronic. Alpha 7 IV reaches 10 fps electronic.
What's the weight difference between the Alpha 6700 and Alpha 7 IV?
Alpha 6700 weighs 493 g and Alpha 7 IV weighs 658 g, so the Alpha 6700 is 165 g lighter.
Do the Alpha 6700 and Alpha 7 IV record 4K video?
Alpha 6700: 4K up to 120p. Alpha 7 IV: 4K up to 60p.
Are the Alpha 6700 and Alpha 7 IV weather sealed?
Alpha 6700: Yes. Alpha 7 IV: Yes.
Which has better battery life?
Rated battery life is 570 shots (CIPA) for the Alpha 6700 and 580 shots for the Alpha 7 IV, giving the Alpha 7 IV the edge.
How much does each cost?
Alpha 6700 launched at $1,399 and Alpha 7 IV at $2,499. The Alpha 6700 is $1,100 less.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed May 2026.
Product images courtesy of Sony press materials.