Sony A9 II vs Sony RX100 IV

Here, we are analyzing the Sony A9 II and Sony RX100 IV, former is a Pro Mirrorless while the other is a Large Sensor Compact and they are both designed by Sony. The resolution of the A9 II (24MP) and the RX100 IV (20MP) is very close but the A9 II (Full frame) and RX100 IV (1") boast totally different sensor sizing.

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The A9 II was launched 4 years after the RX100 IV which is a fairly large difference as far as camera technology is concerned. Both the cameras feature different body design with the Sony A9 II being a SLR-style mirrorless camera and the Sony RX100 IV being a Large Sensor Compact camera.

Before we go straight to a full comparison, here is a quick introduction of how the A9 II scores vs the RX100 IV for portability, imaging, features and an overall mark.

Below is a sample of the gallery pics for Sony Alpha A9 Mark II & Sony Cyber-shot DSC-RX100 IV. The complete galleries are viewable at Sony A9 II Gallery & Sony RX100 IV Gallery.

If you're going to travel with your camera frequently, you will have to think about its weight and volume. The Sony A9 II provides physical measurements of 129mm x 96mm x 76mm (5.1" x 3.8" x 3.0") accompanied by a weight of 678 grams (1.49 lbs) while the Sony RX100 IV has sizing of 102mm x 58mm x 41mm (4.0" x 2.3" x 1.6") accompanied by a weight of 298 grams (0.66 lbs).

Contrast the Sony A9 II and Sony RX100 IV in our newest Camera & Lens Size Comparison Tool.

Don't forget, the weight of an ILC will differ dependant on the lens you have at that moment. Below is a front view dimension comparison of the A9 II versus the RX100 IV.

Using dimensions and weight, the portability rating of the A9 II and RX100 IV is 62 and 89 respectively.

Quite often, its difficult to see the contrast in sensor dimensions purely by looking through technical specs. The picture here might give you a stronger sense of the sensor sizing in the A9 II and RX100 IV.

As you have seen, the two cameras come with different megapixels and different sensor dimensions. The A9 II due to its larger sensor will make shooting shallower depth of field less difficult and the Sony A9 II will render extra detail utilizing its extra 4MP. Greater resolution will also help you crop photos a good deal more aggressively. The fresher A9 II will have an advantage in sensor innovation.