Pentax E70 vs Sony A7 III

Here, we will be comparing the Pentax E70 and Sony A7 III, former is a Small Sensor Compact while the latter is a Pro Mirrorless by companies Pentax and Sony. There is a noticeable difference between the resolutions of the E70 (10MP) and A7 III (24MP) and the E70 (1/2.3") and A7 III (Full frame) provide different sensor sizes.

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The E70 was launched 10 years earlier than the A7 III which is quite a sizable difference as far as tech is concerned. Each of these cameras feature different body design with the Pentax E70 being a Compact camera and the Sony A7 III being a SLR-style mirrorless camera.

Before diving right into a thorough comparison, here is a brief view of how the E70 matches up against the A7 III in regards to portability, imaging, features and an overall score.

This is a preview of the gallery photos for Pentax Optio E70 & Sony Alpha A7 III. The complete galleries are provided at Pentax E70 Gallery & Sony A7 III Gallery.

For those who are intending to carry around your camera regularly, you'll need to take into account its weight and measurements. The Pentax E70 comes with external measurements of 94mm x 61mm x 26mm (3.7" x 2.4" x 1.0") along with a weight of 175 grams (0.39 lbs) while the Sony A7 III has proportions of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") having a weight of 650 grams (1.43 lbs).

Analyze the Pentax E70 and Sony A7 III in our completely new Camera & Lens Size Comparison Tool.

Don't forget, the weight of an ILC will differ based on the lens you choose at that time. The following is a front view proportions comparison of the E70 vs the A7 III.

Considering size and weight, the portability rating of the E70 and A7 III is 94 and 63 respectively.

Generally, its difficult to visualize the contrast between sensor sizes merely by reviewing a spec sheet. The image here might offer you a far better sense of the sensor measurements in the E70 and A7 III.

As you can see, both of these cameras feature different megapixel count and different sensor sizes. The E70 because of its tinier sensor is going to make getting shallower DOF more challenging and the Sony A7 III will offer more detail utilizing its extra 14MP. Higher resolution will also let you crop photographs way more aggressively. The more aged E70 is going to be behind when it comes to sensor tech.