Nikon Z5 II | Full-Frame mirrorless Stills/Video vs Sony Alpha A6100 Mirrorless Camera with 16-
Updated August 2026 — Nikon Z5 II | Full-Frame mirrorless Stills/Video wins on low-light and video, Sony Alpha A6100 Mirrorless Camera with 16- wins on price and autofocus.
The Nikon Z5 II offers superior image quality and advanced features, while the Sony Alpha A6100 is a budget-friendly option with solid performance.
Why Nikon Z5 II | Full-Frame mirrorless Stills/Video is better
Image Quality
Nikon Z5 II has a full-frame sensor for better low-light performance.
Video Capabilities
Nikon Z5 II supports 4K video recording.
Low-Light Performance
Nikon Z5 II has a higher ISO range.
Why Sony Alpha A6100 Mirrorless Camera with 16- is better
Price
Sony Alpha A6100 is significantly cheaper.
Autofocus Speed
Sony Alpha A6100 has the world's fastest autofocus.
Compact Size
Sony Alpha A6100 is more portable.
Overall score
Specifications
| Spec | Nikon Z5 II | Full-Frame mirrorless Stills/Video | Sony Alpha A6100 Mirrorless Camera with 16- |
|---|---|---|
| Sensor Type | Full-Frame | APS-C |
| Megapixels | 24.5MP | 24.2MP |
| ISO Range | 100-204800 | 100-51200 |
| Video Resolution | 4K UHD | 1080p |
| Touchscreen | 3.2 inch | 3 inch |
Dimension comparison
Price Comparison
The Nikon Z5 II is priced at $1,596.95, while the Sony Alpha A6100 is significantly cheaper at $868.61, making it about 46% less expensive than the Nikon model. This substantial price difference may attract entry-level photographers or those looking for a budget-friendly option. While the Nikon Z5 II offers advanced features that justify its higher price, the Sony Alpha A6100 caters to a different market segment with its competitive pricing and solid performance. This price disparity could play a crucial role in your decision-making process based on your budget and photography needs.
Image Quality
When it comes to image quality, the Nikon Z5 II boasts a 24.5MP full-frame CMOS sensor, ensuring stunning clarity and vibrant colors in every photograph and video. In contrast, the Sony Alpha A6100 features a 24.2MP APS-C Exmor sensor. While both cameras deliver excellent image quality, the full-frame sensor of the Nikon Z5 II typically provides better low-light performance and depth of field control. This could be a deciding factor for photographers who prioritize high-resolution images and dynamic range in challenging lighting conditions.
Autofocus Performance
The autofocus capabilities of the Nikon Z5 II and the Sony Alpha A6100 are impressive but cater to different types of photography. The Nikon model features a hybrid autofocus system with 273 focus points, allowing for precise and rapid subject acquisition. On the other hand, the Sony Alpha A6100 is known for having the world’s fastest autofocus at just 0.02 seconds, along with real-time eye tracking for both humans and animals. Photographers who frequently shoot fast-moving subjects may lean towards the Sony for its superior tracking abilities, while those seeking versatility might prefer the Nikon’s broader focus coverage.
Video Capabilities
In terms of video recording, the Nikon Z5 II stands out with its ability to capture 4K UHD video at various frame rates, making it an excellent choice for videographers. The camera also offers slow-motion recording capabilities at 120p, enhancing its utility for dynamic projects. Conversely, the Sony Alpha A6100 supports movie recording and features a 180-degree tiltable touchscreen LCD, which is user-friendly for vloggers and those creating content on the go. While the Nikon offers more advanced video features, the Sony’s design may appeal to casual users looking for ease of use.
Low-Light Performance
Low-light performance is another area where the Nikon Z5 II excels. With an ISO range of 100-64,000, expandable to ISO 204,800, it ensures clear images with minimal noise even in challenging lighting conditions. The Sony Alpha A6100, while capable, has a maximum ISO of 51,200. This means that the Nikon is better suited for night photography or indoor events where lighting is less than ideal. For photographers who frequently shoot in low-light environments, the Nikon Z5 II is likely the superior choice due to its enhanced sensitivity and noise control.
Design and Usability
The design of both cameras plays a significant role in user experience. The Nikon Z5 II features a 3.2-inch vari-angle touchscreen LCD, complemented by a high-resolution OLED electronic viewfinder that enhances composition and navigation. This intuitive design allows for seamless adjustments during shooting. Meanwhile, the Sony Alpha A6100 also boasts a 3-inch touchscreen but lacks the vari-angle feature, which might limit creative angles for some users. The Nikon’s advanced design may appeal to professional photographers, while the Sony provides a straightforward approach for enthusiasts.
Brand Reputation
Both Nikon and Sony are reputable brands in the photography industry, each with a loyal following. The Nikon Z5 II, with a bestseller rank of 22,408, indicates its popularity among users seeking high-quality full-frame cameras. In comparison, the Sony Alpha A6100 has a sales rank of 39,214, showing it is well-regarded, particularly among entry-level users. Brand reputation can influence purchasing decisions, especially for those looking for reliable customer support and product longevity.
Which should you buy?
Ultimately, the choice between the Nikon Z5 II and the Sony Alpha A6100 hinges on your specific needs and budget. If you’re looking for a high-performance full-frame camera with exceptional image quality, autofocus capabilities, and advanced video features, the Nikon Z5 II is worth the investment. However, if you are a beginner or on a tighter budget, the Sony Alpha A6100 offers excellent value for its price, delivering strong performance in a more compact and user-friendly package. Consider your photography style and requirements to make the best choice for your needs.

