Nikon Z 8 vs Sony a5100 16-
Updated August 2026 — Nikon Z 8 wins on image quality and video features, Sony a5100 16- wins on ease of use.
The Nikon Z 8 is a superior choice for professionals seeking advanced features, while the Sony a5100 is ideal for casual users on a budget.
Why Nikon Z 8 is better
Image Quality
Nikon Z 8 has a 45.7MP sensor vs Sony's 24MP.
Video Capabilities
Nikon Z 8 offers 8K video recording, while Sony a5100 only supports 1080p.
Continuous Shooting
Nikon Z 8 can shoot up to 120 fps compared to Sony's 6 fps.
Why Sony a5100 16- is better
Price
Sony a5100 is significantly cheaper at $777.48.
Connectivity
Sony a5100 has instant sharing via Wi-Fi and NFC.
User-Friendly
Sony a5100 is designed for casual users with a flip-up LCD.
Overall score
Specifications
| Spec | Nikon Z 8 | Sony a5100 16- |
|---|---|---|
| Sensor | 45.7MP CMOS | 24MP APS-C |
| Video | 8K/60p | 1080p |
| AF Points | Advanced AF | 179 AF points |
| Continuous FPS | 120 fps | 6 fps |
| Weight | N/A | N/A |
Dimension comparison
Price Comparison
The Nikon Z 8 is priced at $3,496.95, while the Sony a5100 is significantly more affordable at $777.48, making it about 77% cheaper. This stark price difference reflects the advanced capabilities and professional features of the Nikon Z 8, which is designed for serious photographers and videographers. The Sony a5100, on the other hand, caters to casual users looking for a compact, user-friendly camera. Therefore, if budget is a primary concern, the Sony a5100 provides an excellent value proposition, especially for those who do not require high-end features.
Image Quality
When it comes to image quality, the Nikon Z 8 exceeds expectations with its impressive 45.7MP stacked CMOS sensor, offering unparalleled detail and dynamic range. This high-resolution capability is ideal for professional use, whether in still photography or videography. In contrast, the Sony a5100 features a 24MP APS-C sensor, which, while still capable, may not capture the same level of detail as the Nikon. For users prioritizing professional-grade image quality, the Nikon Z 8 stands out significantly, making it the better choice for high-resolution demands.
Autofocus Performance
The autofocus capabilities of the Nikon Z 8 are advanced, featuring Nikon’s most sophisticated autofocus system developed using deep learning technology. It can detect focus as low as -9 EV and tracks a variety of subjects, including people and animals. The Sony a5100, while equipped with ultra-fast autofocus and 179 AF points, operates at a lower level, with a 6 frames per second shooting speed. Thus, for users needing cutting-edge autofocus performance, particularly in challenging lighting conditions, the Nikon Z 8 is clearly superior.
Video Capabilities
Video enthusiasts will find the Nikon Z 8 to be a powerhouse, offering internal 8K/60p and 4K/120p video recording, along with 12-bit N-RAW and ProRes RAW capabilities. This makes it an exceptional choice for professional filmmakers. In comparison, the Sony a5100 records Full HD 1080p video at 60 frames per second. While it is sufficient for casual video recording, it lacks the high-resolution options and advanced features found in the Nikon Z 8. Therefore, for serious video production, the Nikon Z 8 is the clear winner.
Continuous Shooting Speed
The continuous shooting speed of the Nikon Z 8 is particularly impressive, offering options up to 120 frames per second. This feature is essential for capturing fast action shots, making it ideal for sports and wildlife photography. The Sony a5100, however, offers a more modest continuous shooting speed of 6 frames per second. For photographers who prioritize speed and the ability to capture the decisive moment, the Nikon Z 8 provides a significant advantage.
Build and Design
The Nikon Z 8 is designed as a professional-grade camera, featuring a robust build that caters to serious photographers. Its compact and lightweight modular design allows for easy handling during extended shooting sessions. In contrast, the Sony a5100 is more geared towards casual users and features a compact design with a 3-inch flip-up LCD, making it user-friendly for vloggers and everyday use. While both cameras are portable, the build quality and versatility of the Nikon Z 8 make it more suitable for professional environments.
Connectivity and Sharing
The Sony a5100 excels in connectivity, offering instant sharing capabilities via Wi-Fi and NFC. This feature is particularly beneficial for users who wish to quickly upload their images to social media or transfer them to a smartphone. The Nikon Z 8, while it does offer smart connectivity, is more focused on professional functionality than social sharing. For users who prioritize connectivity and ease of sharing, the Sony a5100 provides a practical solution, while the Nikon Z 8 caters more to detailed and high-quality output.
Which should you buy?
Ultimately, the choice between the Nikon Z 8 and the Sony a5100 hinges on your specific needs and budget. The Nikon Z 8, priced at $3,496.95, is designed for professionals requiring top-tier image and video quality, advanced autofocus, and high-speed performance. Conversely, the Sony a5100, at $777.48, is an excellent option for casual users seeking a reliable, easy-to-use mirrorless camera without breaking the bank. If you're serious about photography or videography and can afford the investment, the Nikon Z 8 is the superior choice. However, for those who prioritize affordability and ease of use, the Sony a5100 is a commendable option.

