Nikon Z 6II | Versatile full-frame mirrorless vs Sony ILCE-7M3K/B a7 III 24.
Updated August 2026 — Nikon Z 6II | Versatile full-frame mirrorless wins on video and price, Sony ILCE-7M3K/B a7 III 24. wins on autofocus.
The Nikon Z 6II offers superior value with better shooting speed and video capabilities, while the Sony ILCE-7M3K/B excels in autofocus performance and dynamic range.
Why Nikon Z 6II | Versatile full-frame mirrorless is better
Price
Nikon Z 6II is $401.05 cheaper.
Shooting Speed
Nikon Z 6II shoots at 14 FPS vs Sony's 10 FPS.
Video Quality
Nikon Z 6II supports 4K UHD at 60 FPS.
Why Sony ILCE-7M3K/B a7 III 24. is better
Autofocus
Sony has 693 AF points vs Nikon's 273.
Dynamic Range
Sony offers 15-stop dynamic range.
Included Lens
Sony comes with a 28-70mm lens.
Overall score
Specifications
| Spec | Nikon Z 6II | Versatile full-frame mirrorless | Sony ILCE-7M3K/B a7 III 24. |
|---|---|---|
| Resolution | 24.5MP | 24.2MP |
| ISO Range | 100-51,200 | 50-204,800 |
| Continuous FPS | 14 | 10 |
| AF Points | 273 | 693 |
| Video FPS | 60 | 30 |
Dimension comparison
Price Comparison
The Nikon Z 6II is priced at $1,496.95, making it about 17% cheaper than the Sony ILCE-7M3K/B, which retails for $1,898.00. This price difference may be a significant factor for budget-conscious consumers looking for high-quality mirrorless cameras. While the Nikon offers an attractive price point, the Sony’s additional features may justify its higher cost for some photographers. Both cameras are positioned in the competitive mirrorless market, but their respective prices can guide potential buyers towards the option that best fits their budget.
Image Quality
Both the Nikon Z 6II and the Sony ILCE-7M3K/B feature impressive image sensors, but they differ in resolution and capabilities. The Nikon boasts a 24.5MP BSI resolution, which excels in low-light conditions, while the Sony offers a slightly lower resolution at 24.2MP but includes a 15-stop dynamic range and ISO capabilities ranging from 50 to 204,800. These specifications indicate that while both cameras deliver excellent image quality, the Nikon may have a slight edge in low-light conditions due to its higher pixel count. However, the Sony’s dynamic range and high ISO performance could attract those who prioritize versatility in various lighting scenarios.
Autofocus Performance
The autofocus systems of these two cameras are notably different, with the Nikon Z 6II featuring a 273-point Hybrid AF system and the Sony ILCE-7M3K/B housing an advanced 693 phase-detection and 425 contrast AF points. The Sony's AF system covers 93% of the frame, providing extensive coverage for capturing fast-moving subjects. The Nikon, while robust with its autofocus capabilities, may not match the Sony's level of performance in dynamic shooting situations. For photographers needing superior tracking abilities, the Sony may prove to be the better option.
Shooting Speed
The Nikon Z 6II outperforms the Sony ILCE-7M3K/B in terms of continuous shooting speed, achieving up to 14 frames per second compared to the Sony’s 10 frames per second. This difference can be crucial for capturing fast action, making the Nikon a strong contender for sports and wildlife photography. However, the Sony compensates with its ability to shoot silently, which can be a significant advantage in quieter environments. Photographers must consider their primary shooting scenarios when weighing these speed differences.
Video Capabilities
In the realm of video performance, the Nikon Z 6II stands out with its full pixel readout and the ability to shoot 4K UHD video at 60 frames per second. This makes it a top choice for videographers seeking high-resolution footage. The Sony ILCE-7M3K/B also offers 4K recording, but its specifications do not mention the same level of detail or frame rate, which may limit its appeal for serious video creators. Thus, for those prioritizing video performance, the Nikon Z 6II is clearly the superior choice.
Design and Usability
Both cameras are designed with user comfort in mind, but they cater to different preferences. The Nikon Z 6II is noted for its comfortable and intuitive design, making it easy to handle during extended shoots. It also features dual card slots for added flexibility, which can be essential for professional work. The Sony ILCE-7M3K/B, while compact and lightweight, includes a variety of accessories such as a lens hood and strap that enhance its usability. Ultimately, the choice between the two will depend on individual user preferences regarding ergonomics and accessory needs.
Battery Life
Battery life is an essential consideration for photographers on the go. The Nikon Z 6II offers USB-C charging and constant power, which is particularly beneficial during long shoots, livestreams, or timelapses. This feature can alleviate concerns about running low on power. The Sony ILCE-7M3K/B utilizes a rechargeable NP-FZ100 battery, which tends to provide reliable performance but does not offer the same level of convenience as the Nikon’s USB-C capabilities. For those prioritizing longevity in the field, the Nikon Z 6II may present a significant advantage.
Which should you buy?
Choosing between the Nikon Z 6II and the Sony ILCE-7M3K/B ultimately depends on your specific needs as a photographer or videographer. If budget is a primary concern, the Nikon offers a compelling package at about $1,496.95, along with superior continuous shooting speed and robust video capabilities. On the other hand, the Sony ILCE-7M3K/B, priced at $1,898.00, delivers exceptional autofocus performance and dynamic range, appealing to those who prioritize these features. Assess your shooting style and requirements to determine which camera aligns best with your creative vision.

