JVC
GY-HM250
Compact 4K streaming camcorder with 1/2.3-inch sensor, 12x zoom, built-in lower-thirds graphics, 3G-SDI, and RTMP/Zixi streaming.
$2,195
Launch priceReleased Apr 2018
Sony
Alpha 7 IV
33MP hybrid all-rounder with 10-bit 4K 60p and AI-powered subject tracking.
$2,499
Launch priceReleased Oct 2021
Alpha 7 IV is 3.6 years newer.
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Wins
GY-HM250
Wins
Alpha 7 IV
5 categories tied
Which would you choose?
TL;DR — Key differences
- BAlpha 7 IV has higher AF points / zones (759 vs 0)
- BAlpha 7 IV has higher AF frame coverage (94 % vs 0 %)
- 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 200 Mbps)
- BAlpha 7 IV has higher Resolution (33 MP vs 12.4 MP)
Key specs at a glance
Size and weight, to scale
📸 Snap this size diff to shareGY-HM250
134 × 91 × 72 mm
580 g (1.28 lb / 20.46 oz)
Credit card
85.6 × 54 mm
for scale
Alpha 7 IV
131 × 96 × 80 mm
658 g (1.45 lb / 23.21 oz)
GY-HM250 is 5mm shorter and 8mm thinner than Alpha 7 IV but it is also 3mm wider.
GY-HM250 is 78 g lighter than Alpha 7 IV.
Depth (front-to-back): 72mm GY-HM250 · 80mm Alpha 7 IV
Back view, to scale
Width × Height — same proportions as the front of the body.
GY-HM250
134 × 91 mm
Credit card
85.6 × 54 mm
Alpha 7 IV
131 × 96 mm
Top view, to scale
Width × Depth (front-to-back) — see which body is chunkier on the table.
GY-HM250
134 × 72 mm
Credit card
85.6 × 54 mm
Alpha 7 IV
131 × 80 mm
Sensor size, to scale
GY-HM250
17.3 × 13 mm · Micro Four Thirds
225 mm² area
Alpha 7 IV
35.9 × 23.9 mm · Full Frame
858 mm² area
3.8× larger sensor area = shallower depth of field and better low-light performance.
Lens ecosystem
Native lens selection
GY-HM250: mount data unavailable
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
GY-HM250
Dimensions (W×H×D mm)
Adds 134, 91, 72
Pre-Capture / Pre-Release
Only GY-HM250 supports it
Burst (electronic)
15 fps vs 10 fps — higher is better
Codecs
Adds ProRes
Subject recognition
Adds Vehicle
Weight
580 g vs 658 g — lower is better
Battery life (CIPA)
640 shots vs 580 shots — higher is better
IBIS effectiveness
6 stops vs 5.5 stops — higher is better
Reasons to choose
Alpha 7 IV
AF points / zones
759 vs 0 — higher is better
AF frame coverage
94 % vs 0 % — higher is better
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 60 frames — higher is better
Max video bit rate
600 Mbps vs 200 Mbps — higher is better
Resolution
33 MP vs 12.4 MP — higher is better
Codecs
Adds XAVC HS, XAVC S, XAVC S-I
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
- ✓4K max frame rate — Both 60 fps
- ✓Internal RAW video — Both support internal raw video
Pros & cons at a glance
Editorially curated highlights and trade-offs.
GY-HM250
Pros
- ✓Built-in broadcast overlay engine
- ✓4K30 + 4:2:2 HD 50Mbps
- ✓3G-SDI + HDMI outputs
- ✓Dual XLR + dual SD slots
- ✓RTMP / Zixi / Wowza streaming
Cons
- –1/2.3-inch sensor
- –4K limited to 30p
- –12x zoom only
- –Older Connected Cam platform
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 GY-HM250 and Alpha 7 IV at major authorized retailers.
JVC GY-HM250
Sony Alpha 7 IV
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Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for portraits, GY-HM250 or Alpha 7 IV?
Alpha 7 IV scores 9.0/10 versus 4.0/10 for GY-HM250 — 33MP — ample resolution for portraits.
What's the resolution difference between the GY-HM250 and Alpha 7 IV?
GY-HM250 is 12.4 MP and Alpha 7 IV is 33 MP, so the Alpha 7 IV captures more detail for cropping and large prints.
Do the GY-HM250 and Alpha 7 IV have in-body image stabilization?
GY-HM250 has 6-stop in-body image stabilization, while Alpha 7 IV has 5.5-stop in-body image stabilization.
Which shoots faster bursts — the GY-HM250 or the Alpha 7 IV?
GY-HM250 reaches 15 fps electronic. Alpha 7 IV reaches 10 fps electronic.
What's the weight difference between the GY-HM250 and Alpha 7 IV?
GY-HM250 weighs 580 g and Alpha 7 IV weighs 658 g, so the GY-HM250 is 78 g lighter.
Do the GY-HM250 and Alpha 7 IV record 4K video?
GY-HM250: 4K up to 60p. Alpha 7 IV: 4K up to 60p.
Are the GY-HM250 and Alpha 7 IV weather sealed?
GY-HM250: Yes. Alpha 7 IV: Yes.
Which has better battery life?
Rated battery life is 640 shots (CIPA) for the GY-HM250 and 580 shots for the Alpha 7 IV, giving the GY-HM250 the edge.
How much does each cost?
GY-HM250 launched at $2,195 and Alpha 7 IV at $2,499. The GY-HM250 is $304 less.
Can't decide between two? Compare a third camera.
Add any camera to get a three-way GY-HM250 vs Alpha 7 IV vs X comparison.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed June 2026.
Product images courtesy of JVC and Sony press materials.