Sony
Alpha 6600
APS-C with IBIS and huge NP-FZ100 battery in a compact body.
$1,399
Released Oct 2019
Sony
Alpha 7 IV
33MP hybrid all-rounder with 10-bit 4K 60p and AI-powered subject tracking.
$2,499
Released Oct 2021
Alpha 7 IV is 2 years newer.
Wins
Alpha 6600
Wins
Alpha 7 IV
3 categories tied
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TL;DR — Key differences
- BAlpha 7 IV has higher RAW buffer depth (828 frames vs 60 frames)
- BAlpha 7 IV has higher Max video bit rate (600 Mbps vs 150 Mbps)
- BAlpha 7 IV has higher 4K max frame rate (60 fps vs 30 fps)
- BAlpha 7 IV has higher Card slots (2 vs 1)
- BAlpha 7 IV has higher AF points / zones (759 vs 425)
Key specs at a glance
Size and weight, to scale
Alpha 6600
120 × 67 × 69 mm
503 g (1.11 lb / 17.74 oz)
Alpha 7 IV
131 × 96 × 80 mm
658 g (1.45 lb / 23.21 oz)
Alpha 6600 is 11mm narrower, 30mm shorter, and 11mm thinner than Alpha 7 IV.
Alpha 6600 is 155 g lighter than Alpha 7 IV.
Depth (front-to-back): 69mm Alpha 6600 · 80mm Alpha 7 IV
Sensor size, to scale
Alpha 6600
23.5 × 15.6 mm · APS-C
367 mm² area
Alpha 7 IV
35.9 × 23.9 mm · Full Frame
858 mm² area
2.3× larger sensor area = shallower depth of field and better low-light performance.
Lens ecosystem
Native lens selection
Alpha 6600
✓ 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
Why pick one over the other
Reasons to choose
Alpha 6600
Dimensions (W×H×D mm)
Adds 120, 66.9, 69.3
Card types
Adds SD UHS-I
Codecs
Adds AVCHD
Battery life (CIPA)
810 shots vs 580 shots — higher is better
Weight
503 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 -2 EV — lower is better
Dimensions (W×H×D mm)
Adds 131.3, 96.4, 79.8
Card types
Adds CFexpress Type A, SD UHS-II
RAW buffer depth
828 frames vs 60 frames — higher is better
Max video bit rate
600 Mbps vs 150 Mbps — higher is better
Subject recognition
Adds Bird, Insect, Car/Train…
Codecs
Adds XAVC HS, XAVC S-I, H.265
AA filter
Only Alpha 7 IV supports it
Both cameras share
- ✓ISO min (native) — Both 100
- ✓AF frame coverage — Both 94 %
- ✓Eye AF — Both support eye af
- ✓Animal / bird AF — Both support animal / bird af
- ✓In-body stabilization — Both support in-body stabilization
- ✓Weather sealing — Both support weather sealing
Pros & cons at a glance
Editorially curated highlights and trade-offs.
Alpha 6600
Pros
- ✓IBIS in APS-C
- ✓Excellent battery
- ✓Real-time tracking AF
Cons
- –Older than A6700
- –Single slot
- –No 4K 60p
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
Decided which one is right for you?
Compare live prices for the Alpha 6600 and Alpha 7 IV at major authorized retailers.
Sony Alpha 6600
Sony Alpha 7 IV
Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for landscape, Alpha 6600 or Alpha 7 IV?
Alpha 7 IV scores 7.5/10 versus 4.0/10 for Alpha 6600 — 33MP — ample resolution.
What's the resolution difference between the Alpha 6600 and Alpha 7 IV?
Alpha 6600 is 24.2 MP and Alpha 7 IV is 33 MP, so the Alpha 7 IV captures more detail for cropping and large prints.
Do the Alpha 6600 and Alpha 7 IV have in-body image stabilization?
Alpha 6600 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 6600 or the Alpha 7 IV?
Alpha 6600 reaches 11 fps electronic. Alpha 7 IV reaches 10 fps electronic.
What's the weight difference between the Alpha 6600 and Alpha 7 IV?
Alpha 6600 weighs 503 g and Alpha 7 IV weighs 658 g, so the Alpha 6600 is 155 g lighter.
Do the Alpha 6600 and Alpha 7 IV record 4K video?
Alpha 6600: 4K up to 30p. Alpha 7 IV: 4K up to 60p.
Are the Alpha 6600 and Alpha 7 IV weather sealed?
Alpha 6600: Yes. Alpha 7 IV: Yes.
Which has better battery life?
Rated battery life is 810 shots (CIPA) for the Alpha 6600 and 580 shots for the Alpha 7 IV, giving the Alpha 6600 the edge.
How much does each cost?
Alpha 6600 launched at $1,399 and Alpha 7 IV at $2,499. The Alpha 6600 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.