Sony
Alpha 7R VI
66.8MP stacked full-frame high-resolution body with 30fps bursts, 8K 30p, 4K 120p, and Sony's AI processing unit.
$4,499
Launch priceReleased Jun 2026
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 priceReleased Oct 2025
Alpha 7R VI is 8 months newer.
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Wins
Alpha 7R VI
Wins
PXW-Z300
6 categories tied
Which would you choose?
TL;DR — Key differences
- AAlpha 7R VI has higher Resolution (66.8 MP vs 8.3 MP)
- AAlpha 7R VI has higher EVF resolution (9,437,184 vs 5,760,000)
- BPXW-Z300 has higher ISO max (native) (51,200 vs 32,000)
- BPXW-Z300 has higher RAW buffer depth (200 frames vs 150 frames)
- BPXW-Z300 has lower Weight (580 g vs 713 g)
Key specs at a glance
Size and weight, to scale
📸 Snap this size diff to share
Alpha 7R VI
133 × 97 × 83 mm
713 g (1.57 lb / 25.15 oz)
Credit card
85.6 × 54 mm
for scale
PXW-Z300
134 × 91 × 72 mm
580 g (1.28 lb / 20.46 oz)
Alpha 7R VI is 1mm narrower than PXW-Z300 but it is also 6mm taller and 11mm thicker.
Alpha 7R VI is 133 g heavier than PXW-Z300.
Depth (front-to-back): 83mm Alpha 7R VI · 72mm PXW-Z300
Back view, to scale
Width × Height — same proportions as the front of the body.
Alpha 7R VI
133 × 97 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.
Alpha 7R VI
133 × 83 mm
Credit card
85.6 × 54 mm
PXW-Z300
134 × 72 mm
Sensor size, to scale
Alpha 7R VI
35.9 × 24 mm · Full Frame
862 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
Alpha 7R VI
✓ more lensesSony E
350+
native lenses available
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
Why pick one over the other
Reasons to choose
Alpha 7R VI
AF low-light limit
-6 EV vs -4 EV — lower is better
Dimensions (W×H×D mm)
Adds 132.7, 96.9, 82.9
Card types
Adds CFexpress Type A, SDXC UHS-II
Resolution
66.8 MP vs 8.3 MP — higher is better
Codecs
Adds XAVC HS, XAVC S, XAVC S-I
EVF resolution
9,437,184 vs 5,760,000 — higher is better
Subject recognition
Adds Eye, Insect
Battery life (CIPA)
600 shots vs 520 shots — higher is better
Reasons to choose
PXW-Z300
Dimensions (W×H×D mm)
Adds 134, 91, 72
Card types
Adds CFexpress Type B, SD UHS-II
AA filter
Only PXW-Z300 supports it
Pre-Capture / Pre-Release
Only PXW-Z300 supports it
Internal RAW video
Only PXW-Z300 supports it
Weather sealing
Only PXW-Z300 supports it
ISO max (native)
51,200 vs 32,000 — higher is better
Codecs
Adds ProRes
Both cameras share
- ✓ISO min (native) — Both 100
- ✓AF points / zones — Both 759
- ✓Eye AF — Both support eye af
- ✓Animal / bird AF — Both support animal / bird af
- ✓Burst (electronic) — Both 30 fps
- ✓4K max frame rate — Both 120 fps
Pros & cons at a glance
Editorially curated highlights and trade-offs.
Alpha 7R VI
Pros
- ✓66.8MP stacked full-frame sensor
- ✓30fps blackout-free electronic burst
- ✓8K 30p and 4K 120p video
- ✓5-axis sensor-shift stabilization
- ✓9.44M-dot HDR OLED EVF
Cons
- –Very expensive
- –Large files demand fast cards and storage
- –8K workflow can be heavy
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 Alpha 7R VI and PXW-Z300 at major authorized retailers.
Sony Alpha 7R VI
Sony PXW-Z300
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Full specifications
✓ = category winner
Frequently asked
Quick answers generated from verified specs.
Which is better for portraits, Alpha 7R VI or PXW-Z300?
Alpha 7R VI scores 8.5/10 versus 4.0/10 for PXW-Z300 — 66.8MP — excellent for large prints and crops.
What's the resolution difference between the Alpha 7R VI and PXW-Z300?
Alpha 7R VI is 66.8 MP and PXW-Z300 is 8.3 MP, so the Alpha 7R VI captures more detail for cropping and large prints.
Do the Alpha 7R VI and PXW-Z300 have in-body image stabilization?
Alpha 7R VI has in-body image stabilization, while PXW-Z300 has 8-stop in-body image stabilization.
Which shoots faster bursts — the Alpha 7R VI or the PXW-Z300?
Alpha 7R VI reaches 30 fps electronic. PXW-Z300 reaches 30 fps electronic.
What's the weight difference between the Alpha 7R VI and PXW-Z300?
Alpha 7R VI weighs 713 g and PXW-Z300 weighs 580 g, so the PXW-Z300 is 133 g lighter.
Do the Alpha 7R VI and PXW-Z300 record 4K video?
Alpha 7R VI: 8K (max), 4K up to 120p. PXW-Z300: 8K / 6K (max), 4K up to 120p.
Are the Alpha 7R VI and PXW-Z300 weather sealed?
Alpha 7R VI: No. PXW-Z300: Yes.
Which has better battery life?
Rated battery life is 600 shots (CIPA) for the Alpha 7R VI and 520 shots for the PXW-Z300, giving the Alpha 7R VI the edge.
How much does each cost?
Alpha 7R VI launched at $4,499 and PXW-Z300 at $8,298. The Alpha 7R VI is $3,799 less.
Can't decide between two? Compare a third camera.
Add any camera to get a three-way Alpha 7R VI vs PXW-Z300 vs X comparison.
Specs sourced from manufacturer data. Use-case scores algorithmically derived. Last reviewed June 2026.
Product images courtesy of Sony press materials.