Olympus E-M1 vs Sony RX100 VII

Below is a thorough overview of the Olympus E-M1 and Sony RX100 VII, one being a Pro Mirrorless and the other is a Large Sensor Compact by competitors Olympus and Sony. The sensor resolution of the E-M1 (16MP) and the RX100 VII (20MP) is fairly well matched but the E-M1 (Four Thirds) and RX100 VII (1") possess totally different sensor sizing.

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The E-M1 was launched 6 years before the RX100 VII and that is quite a big gap as far as technology is concerned. Each of these cameras come with different body type with the Olympus E-M1 being a SLR-style mirrorless camera and the Sony RX100 VII being a Large Sensor Compact camera.

Before going through a full comparison, below is a concise summary of how the E-M1 scores versus the RX100 VII when it comes to portability, imaging, features and an overall grade.

Below is a sample of the gallery pictures for Olympus OM-D E-M1 and Sony Cyber-shot DSC-RX100 VII. The complete galleries are provided at Olympus E-M1 Gallery and Sony RX100 VII Gallery.

If you're intending to lug around your camera frequently, you are going to need to factor its weight and proportions. The Olympus E-M1 offers external dimensions of 130mm x 94mm x 63mm (5.1" x 3.7" x 2.5") with a weight of 497 grams (1.10 lbs) whilst the Sony RX100 VII has measurements of 102mm x 58mm x 43mm (4.0" x 2.3" x 1.7") with a weight of 302 grams (0.67 lbs).

Contrast the Olympus E-M1 and Sony RX100 VII in the new Camera and Lens Size Comparison Tool.

Bear in mind, the weight of an Interchangeable Lens Camera will vary depending on the lens you have attached at the time. Below is the front view over all size comparison of the E-M1 against the RX100 VII.

Taking into consideration dimensions and weight, the portability rating of the E-M1 and RX100 VII is 71 and 88 respectively.

Quite often, it is difficult to envision the difference between sensor measurements purely by looking at specifications. The visual below might provide you a far better sense of the sensor dimensions in the E-M1 and RX100 VII.

To sum up, the 2 cameras have got different megapixel count and different sensor measurements. The E-M1 because of its larger sensor will make getting shallower depth of field less difficult and the Sony RX100 VII will give extra detail utilizing its extra 4 Megapixels. Greater resolution can also enable you to crop images much more aggressively. The older E-M1 is going to be behind in sensor technology.