OM System OM-5 vs Sony A7 IV

On this page, we will be looking at the OM System OM-5 and Sony A7 IV, one being a Advanced Mirrorless and the latter is a Pro Mirrorless by manufacturers Olympus and Sony. There exists a big gap between the sensor resolutions of the OM System OM-5 (20MP) and A7 IV (33MP) and the OM System OM-5 (Four Thirds) and A7 IV (Full frame) posses different sensor measurements.

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The OM System OM-5 was revealed 13 months later than the A7 IV which makes them a generation apart from one another. Both of these cameras have the same body design (SLR-style mirrorless).

Before going right into a thorough comparison, here is a quick summary of how the OM System OM-5 scores versus the A7 IV in relation to portability, imaging, features and an overall rating.

This is a preview of the gallery images for OM System OM-5 and Sony Alpha A7 IV. The full galleries are provided at OM System OM-5 Gallery and Sony A7 IV Gallery.

When you are aiming to carry your camera, you have to take into account its weight and size. The OM System OM-5 provides physical dimensions of 125mm x 85mm x 50mm (4.9" x 3.3" x 2.0") along with a weight of 414 grams (0.91 lbs) whilst the Sony A7 IV has specifications of 129mm x 97mm x 81mm (5.1" x 3.8" x 3.2") with a weight of 699 grams (1.54 lbs).

Analyze the OM System OM-5 and Sony A7 IV in the latest Camera with Lens Size Comparison Tool.

Bear in mind, the weight of an Interchangeable Lens Camera will change depending on the lens you are employing at that time. The following is a front view measurements comparison of the OM System OM-5 against the A7 IV.

Taking into consideration dimensions and weight, the portability rating of the OM System OM-5 and A7 IV is 80 and 61 respectively.

Normally, it is difficult to imagine the contrast between sensor sizing only by reading through a spec sheet. The visual here might give you a clearer sense of the sensor sizes in the OM System OM-5 and A7 IV.

As you can see, the 2 cameras provide different megapixel count and different sensor sizing. The OM System OM-5 having a tinier sensor is going to make shooting shallower DOF more difficult and the Sony A7 IV will give you extra detail because of its extra 13MP. Higher resolution will also let you crop shots more aggressively. The younger OM System OM-5 provides an edge when it comes to sensor innovation.