Ricoh GR Digital III vs Sony A7R IV

The following is a comprehensive assessment of the Ricoh GR Digital III versus Sony A7R IV, one is a Small Sensor Compact and the other is a Pro Mirrorless by manufacturers Ricoh and Sony. There exists a huge gap between the image resolutions of the GR Digital III (10MP) and A7R IV (61MP) and the GR Digital III (1/1.7") and A7R IV (Full frame) enjoy different sensor sizes.

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The GR Digital III was unveiled 11 years prior to the A7R IV which is quite a significant gap as far as technology is concerned. Both the cameras offer different body type with the Ricoh GR Digital III being a Compact camera and the Sony A7R IV being a SLR-style mirrorless camera.

Before diving through a thorough comparison, below is a quick overview of how the GR Digital III matches up vs the A7R IV when it comes to portability, imaging, features and an overall mark.

The following is a sample of the gallery pictures for Ricoh GR Digital III and Sony Alpha A7R IV. The full galleries are available at Ricoh GR Digital III Gallery and Sony A7R IV Gallery.

For anyone who is going to travel with your camera often, you are going to need to factor its weight and dimensions. The Ricoh GR Digital III offers outer measurements of 109mm x 59mm x 26mm (4.3" x 2.3" x 1.0") along with a weight of 208 grams (0.46 lbs) and the Sony A7R IV has dimensions of 129mm x 96mm x 78mm (5.1" x 3.8" x 3.1") along with a weight of 665 grams (1.47 lbs).

Examine the Ricoh GR Digital III versus Sony A7R IV in the latest Camera with Lens Size Comparison Tool.

Remember that, the weight of an Interchangeable Lens Camera will differ based on the lens you use at that moment. The following is the front view size comparison of the GR Digital III versus the A7R IV.

Taking into account dimensions and weight, the portability rating of the GR Digital III and A7R IV is 92 and 62 respectively.

Typically, it can be tough to picture the difference between sensor dimensions just by reading through specs. The picture below will help give you a more clear sense of the sensor measurements in the GR Digital III and A7R IV.

As you can plainly see, both of these cameras enjoy different megapixel count and different sensor dimensions. The GR Digital III having a tinier sensor is going to make achieving shallow DOF more challenging and the Sony A7R IV will give you more detail having an extra 51 Megapixels. Greater resolution will help you crop images far more aggressively. The more aged GR Digital III is going to be behind when it comes to sensor innovation.