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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 price

Released Apr 2018

vs

Panasonic

AG-CX370

CX-series flagship with 1-inch 15MP MOS, 20x zoom, 10-bit 4K, 12G-SDI, genlock in, 4ch audio, NDI|HX2, and V-Log/HLG.

$6,995

Launch price

Released Jul 2025

AG-CX370 is 7.3 years newer.

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Wins

1categories

GY-HM250

WildlifeVideo & Hybrid

Wins

12categories

AG-CX370

Sports & ActionWildlife

5 categories tied

Which would you choose?

TL;DR — Key differences

GY-HM250 wins 0 categories·AG-CX370 wins 5 categories
  • BAG-CX370 has higher AF points / zones (225 vs 0)
  • BAG-CX370 has higher AF frame coverage (90 % vs 0 %)
  • BAG-CX370 has higher RAW buffer depth (200 frames vs 60 frames)
  • BAG-CX370 has higher Max video bit rate (600 Mbps vs 200 Mbps)
  • BAG-CX370 has higher EVF resolution (5,760,000 vs 2,360,000)

Key specs at a glance

GY-HM250AG-CX370
Resolution12.4 MP15 MP
SensorMFTMFT
ISO max25,60051,200
Burst15 fps30 fps
4K60 fps120 fps
IBIS6-stop8-stop
Weight580 g580 g
Battery640 shots520 shots

Size and weight, to scale

GY-HM250

134 × 91 × 72 mm

580 g (1.28 lb / 20.46 oz)

Credit card shown to scale as a size reference (ISO 7810, 85.6 × 54 mm)

Credit card

85.6 × 54 mm

for scale

AG-CX370

134 × 91 × 72 mm

580 g (1.28 lb / 20.46 oz)

GY-HM250 and AG-CX370 share virtually identical body dimensions.

GY-HM250 and AG-CX370 weigh the same.

Depth (front-to-back): 72mm GY-HM250 · 72mm AG-CX370

Sensor size, to scale

GY-HM250

17.3 × 13 mm · Micro Four Thirds

225 mm² area

AG-CX370

17.3 × 13 mm · Micro Four Thirds

225 mm² area

Use-case scoring

Which one for what?

Algorithmic scores from verified specs · 10 = best in class

Use caseGY-HM250AG-CX370
Portrait
4.0Fair
4.0Fair
Sports & Action
6.5Good
10.0Excellent✓ wins
Video & Hybrid
7.5Good
9.5Excellent✓ wins
Landscape
3.5Limited
3.5Limited
Travel
7.5Good✓ wins
7.0Good
Wildlife
8.0Excellent
10.0Excellent✓ wins
Vlogging
7.0Good
7.0Good

Why pick one over the other

Reasons to choose

GY-HM250

  • Battery life (CIPA)

    640 shots vs 520 shots — higher is better

Reasons to choose

AG-CX370

  • AF points / zones

    225 vs 0 — higher is better

  • AF frame coverage

    90 % vs 0 % — higher is better

  • AF low-light limit

    -4 EV vs -3 EV — lower is better

  • RAW buffer depth

    200 frames vs 60 frames — higher is better

  • Max video bit rate

    600 Mbps vs 200 Mbps — higher is better

  • EVF resolution

    5,760,000 vs 2,360,000 — higher is better

  • ISO max (native)

    51,200 vs 25,600 — higher is better

  • Burst (mechanical)

    12 fps vs 6 fps — higher is better

Both cameras share

  • AA filterBoth support aa filter
  • ISO min (native)Both 100
  • Eye AFBoth support eye af
  • Animal / bird AFBoth support animal / bird af
  • Pre-Capture / Pre-ReleaseBoth support pre-capture / pre-release
  • Internal RAW videoBoth 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

AG-CX370

Pros

  • 12G-SDI + genlock/timecode
  • 4-channel independent audio inputs
  • NDI|HX2 IP streaming
  • V-Log / HLG HDR workflow
  • Three-ring manual lens control

Cons

  • Premium broadcast pricing
  • Large body vs HC-X2
  • NDI requires network setup
  • Successor premium over CX350

Decided which one is right for you?

Compare live prices for the GY-HM250 and AG-CX370 at major authorized retailers.

Affiliate disclosure: As an Amazon Associate, Cameraegg earns from qualifying purchases. Cameraegg may also earn commission from B&H links, at no extra cost to you.

Full specifications

= category winner

GY-HM250
AG-CX370
Resolution
12.4 MP
15 MP+21%
Sensor type
Four Thirds Live MOS
Four Thirds Live MOS
Sensor size
17.3 × 13.0 mm
17.3 × 13.0 mm
AA filter
Yes
Yes
GY-HM250
AG-CX370
Processor
Image processor
Venus Engine
GY-HM250
AG-CX370
ISO min (native)
100
100
ISO max (native)
25,600
51,200+1 stop
ISO max (expanded)
102,400
102,400
GY-HM250
AG-CX370
Shutter type
Mechanical + Electronic
Mechanical + Electronic
Max mechanical speed
1/8000 sec
1/8000 sec
Max electronic speed
1/16000 sec
1/32000 sec

Frequently asked

Quick answers generated from verified specs.

Which is better for sports, GY-HM250 or AG-CX370?

AG-CX370 scores 10.0/10 versus 6.5/10 for GY-HM250 — 30fps burst — pro-level action capture.

What's the resolution difference between the GY-HM250 and AG-CX370?

GY-HM250 is 12.4 MP and AG-CX370 is 15 MP, so the AG-CX370 captures more detail for cropping and large prints.

Do the GY-HM250 and AG-CX370 have in-body image stabilization?

GY-HM250 has 6-stop in-body image stabilization, while AG-CX370 has 8-stop in-body image stabilization.

Which shoots faster bursts — the GY-HM250 or the AG-CX370?

GY-HM250 reaches 15 fps electronic. AG-CX370 reaches 30 fps electronic.

What's the weight difference between the GY-HM250 and AG-CX370?

Both bodies weigh roughly 580 g.

Do the GY-HM250 and AG-CX370 record 4K video?

GY-HM250: 4K up to 60p. AG-CX370: 8K / 6K (max), 4K up to 120p.

Are the GY-HM250 and AG-CX370 weather sealed?

GY-HM250: Yes. AG-CX370: Yes.

Which has better battery life?

Rated battery life is 640 shots (CIPA) for the GY-HM250 and 520 shots for the AG-CX370, giving the GY-HM250 the edge.

How much does each cost?

GY-HM250 launched at $2,195 and AG-CX370 at $6,995. The GY-HM250 is $4,800 less.

Can't decide between two? Compare a third camera.

Add any camera to get a three-way GY-HM250 vs AG-CX370 vs X comparison.

Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed June 2026.