Sony RX100 IV vs Sony T90

Below, we are analyzing the Sony RX100 IV and Sony T90, former being a Large Sensor Compact while the other is a Ultracompact and both of them are manufactured by Sony. There is a noticeable difference between the resolutions of the RX100 IV (20MP) and T90 (12MP) and the RX100 IV (1") and T90 (1/2.3") feature totally different sensor measurements.

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The RX100 IV was unveiled 6 years later than the T90 and that is quite a sizable difference as far as tech is concerned. Both of the cameras come with different body type with the Sony RX100 IV being a Large Sensor Compact camera and the Sony T90 being a Ultracompact camera.

Before going in to a thorough comparison, below is a concise summary of how the RX100 IV scores against the T90 when it comes to portability, imaging, features and an overall grade.

This is a sample of the gallery pictures for Sony Cyber-shot DSC-RX100 IV & Sony Cyber-shot DSC-T90. The full galleries are provided at Sony RX100 IV Gallery & Sony T90 Gallery.

For anybody who is looking to lug around your camera, you are going to need to factor its weight and measurements. The Sony RX100 IV comes with physical dimensions of 102mm x 58mm x 41mm (4.0" x 2.3" x 1.6") accompanied by a weight of 298 grams (0.66 lbs) while the Sony T90 has proportions of 94mm x 57mm x 15mm (3.7" x 2.2" x 0.6") along with a weight of 148 grams (0.33 lbs).

Check the Sony RX100 IV and Sony T90 in our brand new Camera & Lens Size Comparison Tool.

Do not forget, the weight of an ILC will vary depending on the lens you are using at that moment. Below is the front view physical size comparison of the RX100 IV against the T90.

Taking into account size and weight, the portability rating of the RX100 IV and T90 is 89 and 96 respectively.

Oftentimes, its hard to visualise the difference between sensor measurements purely by reviewing a spec sheet. The graphic here should provide you a more clear sense of the sensor sizes in the RX100 IV and T90.

Clearly, both of those cameras posses different megapixels and different sensor measurements. The RX100 IV with its larger sensor will make shooting bokeh simpler and the Sony RX100 IV will offer you more detail having an extra 8MP. Greater resolution will also enable you to crop pics somewhat more aggressively. The newer RX100 IV is going to have an advantage when it comes to sensor tech.