
Sony Alpha a6400
Score: 76/100
Nikon Z 6II
Score: 84/100Rankings

The Nikon Z 6II offers a 24.5 MP full-frame sensor, dual Expeed 6 processors and 5-stop IBIS, delivering solid performance for hybrid stills and video work. Absence of 8K video and a relatively heavy body are its main compromises. It fits hybrid shooters needing reliable low-light capability and dual card redundancy.

The Sony Alpha a6400 is a compact APS-C mirrorless camera that excels with ultra-fast autofocus, high-speed burst shooting and robust 4K video. Its drawbacks are the lack of in-body stabilization, a small grip and a steep learning curve due to a dense menu system. It targets hybrid shooters and vloggers who need speed and video quality in a portable package.
| Attribute | ![]() | ![]() |
|---|---|---|
24.2 MP | 24.5 MPbest | |
32,000 | 204,800best | |
410 shotsbest | 410 shotsbest | |
11 fps | 14 fpsbest | |
| ↓ lower better | 403 gbest | 615 g |
— | 2,280 mAhbest | |
3 in | 3.2 inbest | |
0.7 xbest | — |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Image Sensor(4) | ||
Sensor Size | APS-C | Full-frame |
Megapixels (MP) | 24.2 MP | 24.5 MP |
ISO Range (max) | 32000 | 204800 |
In‑Body Image Stabilization | false | true |
Lens & Compatibility(1) | ||
Lens Mount System | Sony E | Nikon Z |
Battery & Power(1) | ||
Battery Capacity (mAh) | 1020-1080 mAh | 2280 mAh |
Video(1) | ||
Maximum Video Resolution | 4K UHD | 4K |
Performance(1) | ||
Continuous Shooting Speed (fps) | 11 fps | 14 fps |
Build & Design(2) | ||
Body Weight (g) | 403 g | 615 g |
Dimensions (W×H×D) (mm) | 67x120x60 mm mm | 134x100.5x69.5 mm |
Display(1) | ||
Screen Size (in) | 3.0 in | 3.2 in |


Products in the top-left offer the best value (high score, low price).

Professional reviewers commend the a6400 for its unprecedented autofocus speed, high-speed burst shooting, and strong 4K video performance, while noting ergonomic shortcomings such as a small grip and the lack of in-body stabilization. The menu complexity is also cited as a barrier for beginners, but the overall consensus positions the camera as a leading value proposition in the APS-C segment.
Everyday users love the sharp images, reliable eye-AF, and the lightweight, travel-ready body, especially the flip-out touchscreen for vlogging. Recurring frustrations revolve around the small grip, no IBIS, occasional overheating in 4K, and a steep learning curve due to the dense menu system.

Professional reviewers consider the Z 6II a solid evolutionary upgrade, praising its low-light performance, 5-stop IBIS and dual card slots while noting the lack of 8K video and higher-resolution sensor as drawbacks.
User feedback is scarce in the available sources; no common praise or complaints were extracted, indicating limited publicly shared everyday user sentiment for this model.
“Exceptional autofocus speed and accuracy, especially real-time tracking and Eye AF.”

“Compact, lightweight design ideal for travel and street photography.”

