Sony A6400 vs Sony FX3

Below, we are matching up the Sony A6400 vs Sony FX3, former being a Advanced Mirrorless while the other is a Pro Mirrorless and both of them are built by Sony. There is a noticeable difference between the resolutions of the A6400 (24MP) and FX3 (12MP) and the A6400 (APS-C) and FX3 (Full frame) possess different sensor sizes.

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The A6400 was announced 3 years before the FX3 and that is quite a sizable difference as far as tech is concerned. Both the cameras come with the identical body type (Rangefinder-style mirrorless).

Before diving through a in depth comparison, below is a concise view of how the A6400 matches up vs the FX3 for portability, imaging, features and an overall grade.

Below is a sample of the gallery pictures for Sony Alpha a6400 & Sony FX3. The whole galleries are provided at Sony A6400 Gallery & Sony FX3 Gallery.

For those who are intending to lug around your camera frequently, you're going to have to take into account its weight and measurements. The Sony A6400 offers physical measurements of 120mm x 67mm x 50mm (4.7" x 2.6" x 2.0") accompanied by a weight of 403 grams (0.89 lbs) and the Sony FX3 has proportions of 130mm x 78mm x 85mm (5.1" x 3.1" x 3.3") accompanied by a weight of 716 grams (1.58 lbs).

Check the Sony A6400 vs Sony FX3 in our brand new Camera & Lens Size Comparison Tool.

Remember that, the weight of an ILC will change dependant on the lens you choose at the time. Underneath is the front view measurements comparison of the A6400 against the FX3.

Factoring in size and weight, the portability grade of the A6400 and FX3 is 83 and 62 respectively.

Usually, its difficult to visualize the gap between sensor measurements only by reviewing a spec sheet. The photograph below should give you a better sense of the sensor measurements in the A6400 and FX3.

As you can see, both cameras posses different megapixel count and different sensor measurements. The A6400 having a tinier sensor is going to make shooting shallower DOF trickier and the Sony A6400 will deliver more detail with its extra 12MP. Greater resolution will allow you to crop pics somewhat more aggressively. The older A6400 is going to be disadvantaged in sensor tech.