Cameraegg Compare logoCameraegg
EOS R6 Mark III

Canon

EOS R6 Mark III

Hybrid 32.5MP full-frame RF body with 7K RAW video, 40fps electronic burst, 8.5-stop IBIS, and Dual Pixel CMOS AF II.

$2,799

Launch price

Released Nov 2025

vs

Sony

PXW-Z300

Flagship 3-CMOS XDCAM with 1/2-inch Exmor R sensors, 17x f/1.9 zoom, AI subject AF, 4K60p, flexible LCD arm, and content authentication.

$8,298

Launch price

Released Oct 2025

Released within a month of each other.

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.

Wins

9categories

EOS R6 Mark III

Sports & ActionPortrait

Wins

4categories

PXW-Z300

Sports & ActionWildlife

5 categories tied

Which would you choose?

TL;DR — Key differences

EOS R6 Mark III wins 4 categories·PXW-Z300 wins 1 categories
  • AEOS R6 Mark III has higher Max video bit rate (2600 Mbps vs 600 Mbps)
  • AEOS R6 Mark III has higher Resolution (32.5 MP vs 8.3 MP)
  • BPXW-Z300 has higher EVF resolution (5,760,000 vs 3,690,000)
  • AEOS R6 Mark III has higher AF points / zones (1053 vs 759)
  • AEOS R6 Mark III has higher Burst (electronic) (40 fps vs 30 fps)

Key specs at a glance

EOS R6 Mark IIIPXW-Z300
Resolution32.5 MP8.3 MP
SensorFull FrameMFT
ISO max64,00051,200
Burst40 fps30 fps
4K120 fps120 fps
IBIS8.5-stop8-stop
Weight699 g580 g
Battery640 shots520 shots

Size and weight, to scale

EOS R6 Mark III front view

EOS R6 Mark III

138 × 98 × 88 mm

699 g (1.54 lb / 24.66 oz)

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

Credit card

85.6 × 54 mm

for scale

PXW-Z300

134 × 91 × 72 mm

580 g (1.28 lb / 20.46 oz)

EOS R6 Mark III is 4mm wider, 7mm taller, and 16mm thicker than PXW-Z300.

EOS R6 Mark III is 119 g heavier than PXW-Z300.

Depth (front-to-back): 88mm EOS R6 Mark III · 72mm PXW-Z300

Back view, to scale

Width × Height — same proportions as the front of the body.

EOS R6 Mark III back view

EOS R6 Mark III

138 × 98 mm

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

Credit card

85.6 × 54 mm

PXW-Z300

134 × 91 mm

Top view, to scale

Width × Depth (front-to-back) — see which body is chunkier on the table.

EOS R6 Mark III top view

EOS R6 Mark III

138 × 88 mm

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

Credit card

85.6 × 54 mm

PXW-Z300

134 × 72 mm

Sensor size, to scale

EOS R6 Mark III

35.9 × 23.9 mm · Full Frame

858 mm² area

PXW-Z300

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

EOS R6 Mark III

✓ more lenses

Canon RF

105+

native lenses available

45 first-party60 third-party

PXW-Z300: mount data unavailable

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

Use caseEOS R6 Mark IIIPXW-Z300
Portrait
8.0Excellent✓ wins
4.0Fair
Sports & Action
10.0Excellent
10.0Excellent
Video & Hybrid
6.5Good
9.5Excellent✓ wins
Landscape
7.5Good✓ wins
3.5Limited
Travel
7.5Good✓ wins
7.0Good
Wildlife
6.5Good
10.0Excellent✓ wins
Vlogging
5.5Fair
7.0Good✓ wins

Why pick one over the other

Reasons to choose

EOS R6 Mark III

  • AF low-light limit

    -6.5 EV vs -4 EV — lower is better

  • Subject recognition

    Adds People, Dogs, Cats…

  • Dimensions (W×H×D mm)

    Adds 138.4, 98.4, 88.4

  • Max video bit rate

    2600 Mbps vs 600 Mbps — higher is better

  • Resolution

    32.5 MP vs 8.3 MP — higher is better

  • Codecs

    Adds CRM, XF-HEVC S, XF-AVC S

  • AF points / zones

    1053 vs 759 — higher is better

  • Burst (electronic)

    40 fps vs 30 fps — higher is better

Reasons to choose

PXW-Z300

  • Subject recognition

    Adds Human, Animal, Bird…

  • Dimensions (W×H×D mm)

    Adds 134, 91, 72

  • EVF resolution

    5,760,000 vs 3,690,000 — higher is better

  • Codecs

    Adds ProRes

  • RAW buffer depth

    200 frames vs 150 frames — higher is better

  • Weight

    580 g vs 699 g — lower is better

  • EVF magnification

    0.78 × vs 0.76 × — 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
  • Burst (mechanical)Both 12 fps
  • Pre-Capture / Pre-ReleaseBoth support pre-capture / pre-release

Pros & cons at a glance

Editorially curated highlights and trade-offs.

EOS R6 Mark III

Pros

  • 32.5MP full-frame sensor
  • 7K RAW video & 4K 120p
  • 40fps electronic burst with Pre-Continuous
  • 8.5-stop IBIS

Cons

  • Single CFexpress Type B + SD slot
  • Smaller LCD than R5 II
  • LP-E6P required for full features

PXW-Z300

Pros

  • 3× 1/2-inch 4K Exmor R 3CMOS
  • 17x f/1.9 constant aperture zoom
  • AI subject recognition + auto framing
  • 4K60p XAVC Intra/Long + MPEG HD422
  • Electronic variable ND + 12G-SDI

Cons

  • Premium flagship pricing
  • 3CMOS not single large sensor
  • Heavy at 2.6 kg body-only
  • New platform learning curve

Decided which one is right for you?

Compare live prices for the EOS R6 Mark III and PXW-Z300 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

EOS R6 Mark III
PXW-Z300
Resolution
32.5 MP3.9× more
8.3 MP
Sensor type
Full Frame CMOS
Four Thirds Live MOS
Sensor size
35.9 × 23.9 mm
17.3 × 13.0 mm
AA filter
Yes
Yes
EOS R6 Mark III
PXW-Z300
Processor
DIGIC X
BIONZ XR + AI processing unit
EOS R6 Mark III
PXW-Z300
ISO min (native)
100
100
ISO max (native)
64,000+0.3 stops
51,200
ISO max (expanded)
102,400
102,400
EOS R6 Mark III
PXW-Z300
Shutter type
Mechanical / Electronic 1st Curtain + 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 portraits, EOS R6 Mark III or PXW-Z300?

EOS R6 Mark III scores 8.0/10 versus 4.0/10 for PXW-Z300 — 32.5MP — ample resolution for portraits.

What's the resolution difference between the EOS R6 Mark III and PXW-Z300?

EOS R6 Mark III is 32.5 MP and PXW-Z300 is 8.3 MP, so the EOS R6 Mark III captures more detail for cropping and large prints.

Do the EOS R6 Mark III and PXW-Z300 have in-body image stabilization?

EOS R6 Mark III has 8.5-stop in-body image stabilization, while PXW-Z300 has 8-stop in-body image stabilization.

Which shoots faster bursts — the EOS R6 Mark III or the PXW-Z300?

EOS R6 Mark III reaches 40 fps electronic. PXW-Z300 reaches 30 fps electronic.

What's the weight difference between the EOS R6 Mark III and PXW-Z300?

EOS R6 Mark III weighs 699 g and PXW-Z300 weighs 580 g, so the PXW-Z300 is 119 g lighter.

Do the EOS R6 Mark III and PXW-Z300 record 4K video?

EOS R6 Mark III: 4K up to 120p. PXW-Z300: 8K / 6K (max), 4K up to 120p.

Are the EOS R6 Mark III and PXW-Z300 weather sealed?

EOS R6 Mark III: Yes. PXW-Z300: Yes.

Which has better battery life?

Rated battery life is 640 shots (CIPA) for the EOS R6 Mark III and 520 shots for the PXW-Z300, giving the EOS R6 Mark III the edge.

How much does each cost?

EOS R6 Mark III launched at $2,799 and PXW-Z300 at $8,298. The EOS R6 Mark III is $5,499 less.

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

Add any camera to get a three-way EOS R6 Mark III vs PXW-Z300 vs X comparison.

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

Product images courtesy of Canon and Sony press materials.