Sony
Alpha 7 IV
33MP hybrid all-rounder with 10-bit 4K 60p and AI-powered subject tracking.
$2,499
Launch priceReleased Oct 2021
Z CAM
E2-M4
Compact MFT cinema box with 4K 120p, ZRAW, ProRes, and interchangeable MFT lenses.
$1,299
Launch priceReleased Jun 2023
E2-M4 is 1.7 years newer.
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Wins
Alpha 7 IV
Wins
E2-M4
4 categories tied
Which would you choose?
TL;DR — Key differences
- AAlpha 7 IV has higher RAW buffer depth (828 frames vs 60 frames)
- AAlpha 7 IV has higher Resolution (33 MP vs 10.28 MP)
- AAlpha 7 IV has higher Max video bit rate (600 Mbps vs 200 Mbps)
- AAlpha 7 IV has higher ISO max (native) (51,200 vs 25,600)
- BE2-M4 has higher 4K max frame rate (120 fps vs 60 fps)
Key specs at a glance
Size and weight, to scale
📸 Snap this size diff to share
Alpha 7 IV
131 × 96 × 80 mm
658 g (1.45 lb / 23.21 oz)
Credit card
85.6 × 54 mm
for scale
E2-M4
91 × 66 × 72 mm
370 g (0.82 lb / 13.05 oz)
Alpha 7 IV is 40mm wider, 30mm taller, and 8mm thicker than E2-M4.
Alpha 7 IV is 288 g heavier than E2-M4.
Depth (front-to-back): 80mm Alpha 7 IV · 72mm E2-M4
Back view, to scale
Width × Height — same proportions as the front of the body.
Alpha 7 IV
131 × 96 mm
Credit card
85.6 × 54 mm
E2-M4
91 × 66 mm
Top view, to scale
Width × Depth (front-to-back) — see which body is chunkier on the table.
Alpha 7 IV
131 × 80 mm
Credit card
85.6 × 54 mm
E2-M4
91 × 72 mm
Sensor size, to scale
Alpha 7 IV
35.9 × 23.9 mm · Full Frame
858 mm² area
E2-M4
17.3 × 13 mm · Micro Four Thirds
225 mm² area
3.8× larger sensor area = shallower depth of field and better low-light performance.
Lens ecosystem
Native lens selection
Alpha 7 IV
✓ more lensesSony E
350+
native lenses available
E2-M4
Micro Four Thirds
130+
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 7 IV
Codecs
Adds XAVC HS, XAVC S, XAVC S-I…
Dimensions (W×H×D mm)
Adds 131.3, 96.4, 79.8
RAW buffer depth
828 frames vs 60 frames — higher is better
Resolution
33 MP vs 10.28 MP — higher is better
Max video bit rate
600 Mbps vs 200 Mbps — higher is better
ISO max (native)
51,200 vs 25,600 — higher is better
Subject recognition
Adds Insect, Car/Train, Airplane
Card types
Adds CFexpress Type A
Reasons to choose
E2-M4
AF low-light limit
-6.5 EV vs -4 EV — lower is better
Codecs
Adds ZRAW, ProRes
Dimensions (W×H×D mm)
Adds 91, 66, 72
Pre-Capture / Pre-Release
Only E2-M4 supports it
4K max frame rate
120 fps vs 60 fps — higher is better
Weight
370 g vs 658 g — lower is better
Burst (electronic)
15 fps vs 10 fps — higher is better
AF points / zones
1053 vs 759 — higher is better
Both cameras share
- ✓AA filter — Both support aa filter
- ✓ISO min (native) — Both 100
- ✓Eye AF — Both support eye af
- ✓Animal / bird AF — Both support animal / bird af
- ✓Internal RAW video — Both support internal raw video
- ✓In-body stabilization (IBIS) — Both support in-body stabilization (ibis)
Pros & cons at a glance
Editorially curated highlights and trade-offs.
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
E2-M4
Pros
- ✓Tiny MFT cinema box
- ✓4K 120p
- ✓ZRAW internal
- ✓Affordable cinema entry
Cons
- –No screen
- –MFT sensor
- –Manual focus workflow
Decided which one is right for you?
Compare live prices for the Alpha 7 IV and E2-M4 at major authorized retailers.
Sony Alpha 7 IV
Z CAM E2-M4
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Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for portraits, Alpha 7 IV or E2-M4?
Alpha 7 IV scores 9.0/10 versus 4.0/10 for E2-M4 — 33MP — ample resolution for portraits.
What's the resolution difference between the Alpha 7 IV and E2-M4?
Alpha 7 IV is 33 MP and E2-M4 is 10.28 MP, so the Alpha 7 IV captures more detail for cropping and large prints.
Do the Alpha 7 IV and E2-M4 have in-body image stabilization?
Alpha 7 IV has 5.5-stop in-body image stabilization, while E2-M4 has 6-stop in-body image stabilization.
Which shoots faster bursts — the Alpha 7 IV or the E2-M4?
Alpha 7 IV reaches 10 fps electronic. E2-M4 reaches 15 fps electronic.
What's the weight difference between the Alpha 7 IV and E2-M4?
Alpha 7 IV weighs 658 g and E2-M4 weighs 370 g, so the E2-M4 is 288 g lighter.
Do the Alpha 7 IV and E2-M4 record 4K video?
Alpha 7 IV: 4K up to 60p. E2-M4: 4K up to 120p.
Are the Alpha 7 IV and E2-M4 weather sealed?
Alpha 7 IV: Yes. E2-M4: Yes.
Which has better battery life?
Rated battery life is 580 shots (CIPA) for the Alpha 7 IV and 640 shots for the E2-M4, giving the E2-M4 the edge.
How much does each cost?
Alpha 7 IV launched at $2,499 and E2-M4 at $1,299. The E2-M4 is $1,200 less.
Can't decide between two? Compare a third camera.
Add any camera to get a three-way Alpha 7 IV vs E2-M4 vs X comparison.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed June 2026.
Product images courtesy of Sony and Z CAM press materials.