Professional Sports & Wildlife — Nikon Z9 (2021): The Z9 redefined what professional mirrorless could be — no mechanical shutter, 45MP stacked BSI, and 8K RAW in the most rugged Z body.
Beginner, Family, Travel — A6100 (2019): Best autofocus in its class for the price.
Who should buy what
Nikon Z9 (2021)
A6100 (2019)
Quick take: The nikon z9 has the highest resolution at 46mp; the a6100 is the most affordable; only the nikon z9 is weather sealed. Scroll down for the full spec breakdown.
Full specifications
| Specification | Nikon Z9 (2021) | A6100 (2019) |
|---|---|---|
| Price | £5,499 | £549 |
| Sensor | 45.7MP full-frame BSI stacked CMOS | APS-C Exmor CMOS |
| Resolution | 45.7MP | 24.2MP |
| Video | 8K/30p RAW, 4K/120p, ProRes RAW | 4K 30fps |
| Autofocus | Subject detection AF, 493-point phase-detect | 425-point phase-detect, real-time tracking |
| Stabilisation | 6-stop IBIS | None |
| Burst Rate | 20fps RAW / 120fps JPEG | 11fps |
| Battery Life | 740 shots (CIPA) | 420 shots (CIPA) |
| Weight | 1340g body only | 396g (body only) |
| Dimensions | 149.0 × 149.5 × 90.5mm | 119.9 × 66.9 × 59.4mm |
| Weather Sealed | Yes | No |
| Viewfinder | 0.5" Quad-VGA OLED EVF, 3.69M dots, 120fps | EVF 0.39" 1.44M-dot |
| Screen | 3.2" tilting touchscreen | 3.0" tilting touchscreen, 921k-dot |
| Mount | Nikon Z-mount | Sony E-Mount |
| Memory Cards | Dual CFexpress Type B / XQD | SD UHS-I / Memory Stick |
| Connectivity | USB-C 3.2, HDMI full-size, Wi-Fi 6, Bluetooth, LAN | Wi-Fi, Bluetooth 4.1, Micro USB, Micro HDMI |
Suitability by genre
| Genre | Nikon Z9 | A6100 |
|---|---|---|
| Sports & Action | — | |
| Wildlife | — | |
| Photojournalism | — | |
| Vlogging & Video | — | |
| Landscape | — | |
| Travel | — |
More comparisons with Nikon Z9
Camera family history