Olympus TG-5 vs Sony A7 III

Lets look a bit more closely at the Olympus TG-5 vs Sony A7 III, former being a Waterproof while the latter is a Pro Mirrorless by rivals Olympus and Sony. There is a sizable difference between the image resolutions of the TG-5 (12MP) and A7 III (24MP) and the TG-5 (1/2.3") and A7 III (Full frame) have different sensor sizing.

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The TG-5 was revealed 9 months prior to the A7 III and they are both of a similar age. Both of these cameras have different body design with the Olympus TG-5 being a Compact camera and the Sony A7 III being a SLR-style mirrorless camera.

Before getting right into a detailed comparison, here is a short view of how the TG-5 grades against the A7 III with respect to portability, imaging, features and an overall rating.

Following is a preview of the gallery images for Olympus Tough TG-5 & Sony Alpha A7 III. The full galleries are viewable at Olympus TG-5 Gallery & Sony A7 III Gallery.

For anybody who is looking to carry your camera regularly, you are going to need to take into account its weight and proportions. The Olympus TG-5 has got external measurements of 113mm x 66mm x 32mm (4.4" x 2.6" x 1.3") with a weight of 250 grams (0.55 lbs) while the Sony A7 III has measurements of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") accompanied by a weight of 650 grams (1.43 lbs).

Look at the Olympus TG-5 vs Sony A7 III in our brand new Camera plus Lens Size Comparison Tool.

Bear in mind, the weight of an ILC will differ based on the lens you are utilizing at that time. The following is a front view overall size comparison of the TG-5 versus the A7 III.

Looking at size and weight, the portability grade of the TG-5 and A7 III is 90 and 63 respectively.

Often, it is tough to visualize the contrast between sensor sizing only by reading specifications. The graphic underneath should provide you a stronger sense of the sensor measurements in the TG-5 and A7 III.

To sum up, both of these cameras have different megapixel count and different sensor sizing. The TG-5 having a tinier sensor is going to make shooting shallow depth of field harder and the Sony A7 III will offer you greater detail because of its extra 12 Megapixels. Higher resolution will allow you to crop shots a bit more aggressively. The older TG-5 is going to be behind in sensor innovation.