Nikon Z8 vs Nikon Z6III

Written By Dom Gatto

Nikon Z8 vs Z6III: Which Mirrorless Powerhouse Is Right for You?

When Nikon dropped the Z6III, it became one of the most exciting mid-range full-frame cameras in recent years. But how does it compare to Nikon’s flagship mirrorless beast — the Z8?

Whether you're a wildlife shooter (like me) , portrait photographer, or video creator, this post breaks down everything you need to know to choose the right body for your needs.

Sensor & Image Quality

Nikon Z8:

  • 45.7MP stacked BSI CMOS sensor

  • Native ISO 64–25,600 (expandable to 32–102,400)

  • Outstanding dynamic range and sharpness

Nikon Z6III:

  • 24.5MP partially stacked BSI CMOS sensor

  • Native ISO 100–64,000 (expandable to 50–204,800)

  • Better low-light ISO handling than the Z8

Bottom Line:
Z8 wins on resolution. Z6III has solid low-light performance and faster sensor readout.

Autofocus & Speed

Nikon Z8:

  • 493 phase-detect AF points

  • Full subject detection (people, animals, birds, vehicles)

  • 20 fps RAW / 120 fps JPEG burst

  • Pre-release capture enabled

Nikon Z6III:

  • 273 phase-detect AF points

  • Same subject detection as Z8

  • 20 fps RAW / 120 fps JPEG burst

  • Also includes pre-release capture

Bottom Line:
Both are fast and reliable. Z8 edges out in coverage and point density.

Video Capabilities

Nikon Z8:

  • 8K 60p (N-RAW), 4K 120p

  • Internal 10-bit ProRes RAW, N-RAW, ProRes 422 HQ

  • Unlimited record time with external power

  • Passive cooling only

Nikon Z6III:

  • 6K 60p (N-RAW), 4K 120p

  • Internal 10-bit N-RAW, ProRes RAW, H.265

  • Unlimited record time with external power

  • Active cooling with internal fan

Bottom Line:
Z8 offers higher resolution, but Z6III’s fan allows longer video sessions without overheating.

Build & Handling

Nikon Z8:

  • Magnesium alloy body, full weather sealing

  • Large, pro-style grip (similar to Z9)

  • Weight: 910g

  • EVF: 3.69M dots, blackout-free

  • LCD: 3.2" 4-axis tilt

Nikon Z6III:

  • Magnesium alloy front, polycarbonate rear

  • Smaller, lighter, more ergonomic for most

  • Weight: 750g

  • EVF: 5.76M dots, blackout-free

  • LCD: 3.2" 3-axis tilt

Bottom Line:
Z8 feels like a pro tank. Z6III is lighter and more comfortable for all-day shooting.

Storage & Power

Both cameras:

  • Dual card slots: CFexpress Type B + SD UHS-II

  • EN-EL15c battery

  • USB-C power delivery supported

Battery Life:

  • Z6III: Approx. 390 shots (CIPA)

  • Z8: Approx. 340 shots (CIPA)

Bottom Line:
Same system across both — no major difference here.

Final Verdict

Choose the Nikon Z8 if:

  • You need high-resolution images for print or heavy cropping

  • You’re a hybrid shooter needing advanced 8K video

  • You prefer a rugged, professional-grade body

  • Your budget allows for a premium flagship camera

Choose the Nikon Z6III if:

  • You want excellent performance at nearly half the cost

  • You shoot fast action or video and value portability

  • You’re upgrading from a Z5, Z6, or DSLR

  • You want an incredible hybrid camera with pro features under $2500

Where to Buy

Dom Gatto https://www.DomGattoPhoto.com
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