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Nikon Z 8 vs Sony ILCE6100KB Alpha 6100 Mirrorless 4K Video

Updated August 2026 — Nikon Z 8 leads on build quality and image quality.

The Nikon Z 8 is a superior choice for professionals seeking high-end features, while the Sony Alpha 6100 is an excellent budget-friendly option for beginners.

Why Nikon Z 8 is better

Image Quality

45.7MP vs 24.2MP sensor

Video Features

8K/60p recording vs 4K only

Burst Shooting

Up to 120 fps vs 11 fps

Why Sony ILCE6100KB Alpha 6100 Mirrorless 4K Video is better

Price

$948 vs $3496.95

Portability

Compact design for casual use

User-Friendly

180-degree tiltable touchscreen

Overall score

Nikon Z 8
95
Sony ILCE6100KB Alpha 6100 Mirrorless 4K Video
75

Specifications

SpecNikon Z 8Sony ILCE6100KB Alpha 6100 Mirrorless 4K Video
Sensor45.7MP stacked CMOS24.2MP APS-C Exmor
AutofocusAdvanced deep learning0.02 sec Real-time AF
Video Recording8K/60p, 4K/120p4K with 2.4x oversampling
Continuous ShootingUp to 120 fps11 fps
Build QualityProfessional-gradeCasual use

Dimension comparison

Nikon Z 8Sony ILCE6100KB Alpha 6100 Mirrorless 4K Video

Overview of the Nikon Z 8 and Sony ILCE6100KB

The Nikon Z 8 is a professional full-frame mirrorless camera priced at $3,496.95, while the Sony ILCE6100KB Alpha 6100 is a more budget-friendly option at $948.00. This price difference of about 270% highlights their distinct target audiences and intended use. The Nikon Z 8 caters to advanced photographers seeking high-end features, whereas the Sony Alpha 6100 is designed for beginners and enthusiasts looking for a solid all-rounder.

Image Quality Comparison

When it comes to image quality, the Nikon Z 8 features a 45.7MP stacked CMOS sensor, which significantly outperforms the Sony Alpha 6100’s 24.2MP APS-C Exmor sensor. The higher resolution of the Nikon allows for more detailed images, making it ideal for professional applications like landscape and portrait photography. However, the Alpha 6100 still delivers impressive image quality for its price, with a maximum ISO of 51,200, making it versatile in various lighting conditions.

Autofocus Capabilities

The Nikon Z 8 boasts Nikon’s most advanced autofocus system, equipped with deep learning technology that detects focus as low as -9 EV. This allows for exceptional subject tracking across a variety of subjects including animals and moving vehicles. In comparison, the Sony Alpha 6100 features a lightning-fast autofocus system that locks focus in just 0.02 seconds with real-time AF and object tracking. While both cameras excel in autofocus, the Nikon provides more sophisticated options suitable for professional use.

Video Features

For videographers, the Nikon Z 8 offers impressive capabilities, including internal 8K/60p and 4K/120p video recording, making it a top choice for high-end video production. The Alpha 6100, on the other hand, provides 4K video with 2.4x oversampling, ensuring high-quality footage without pixel binning. While the Sony model offers adequate video features for casual use, the Nikon's advanced options clearly position it as the superior choice for serious filmmakers.

Burst Shooting Performance

When it comes to burst shooting, the Nikon Z 8 excels with options for continuous shooting at speeds of 20, 30, 60, and even 120 frames per second. This capability is crucial for capturing fast action in sports or wildlife photography. The Alpha 6100 supports continuous shooting at 11 frames per second with AF/AE tracking. While the Sony model is competent for everyday shooting scenarios, the Nikon’s versatility in burst rates provides a significant advantage for professional photographers.

Design and Build Quality

The Nikon Z 8 is designed with a professional build, offering a compact and lightweight modular design that enhances portability without sacrificing durability. It is engineered for rigorous use, making it suitable for demanding environments. The Sony Alpha 6100, while also compact and lightweight, is primarily constructed for casual use and may not withstand heavy professional demands as effectively. The Z 8’s robust design further solidifies its position as a professional-grade camera.

Connectivity and Usability

Both cameras offer smart connectivity features, but the Nikon Z 8 provides a more comprehensive suite of options for professional users, including advanced wireless capabilities. The Alpha 6100 includes a 180-degree tiltable 3” touchscreen LCD, which enhances usability for vlogging and selfies. However, the Nikon’s superior interface and additional connectivity options cater to professionals requiring efficient workflows, especially in studio settings.

Which should you buy?

Ultimately, the decision between the Nikon Z 8 and the Sony ILCE6100KB Alpha 6100 hinges on your specific needs and budget. The Nikon Z 8 is priced at $3,496.95 and is designed for professionals who need exceptional image quality, advanced autofocus, and high-end video capabilities. In contrast, the Sony Alpha 6100, at $948.00, is better suited for beginners and enthusiasts looking for a versatile camera at an accessible price point. If you're serious about photography or videography and can invest significantly, the Nikon Z 8 is worth it. If you're starting out or need a reliable camera for casual use, the Alpha 6100 provides excellent value for money.