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Main
Model
Price
Advantages
PHOTOGRAPHY FEATURES Built-in flash: Yes
PHOTOGRAPHY FEATURES Continuous drive: 24.0 fps
Main
Model
Price
Advantages
SENSOR Effective pixels: 42 megapixels
SENSOR Max resolution: 7952 x 5304
SENSOR Sensor size: Full frame (35.9 x 24 mm)
SENSOR Sensor photo detectors: 44 megapixels
IMAGE ISO: Auto, 100-32000 (expands to 50-102400)
IMAGE Boosted ISO (minimum): 50
IMAGE Boosted ISO (maximum): 102400
IMAGE White balance presets: 10
PHOTOGRAPHY FEATURES Maximum shutter speed: 1/8000 sec
OPTICS & FOCUS Number of focus points: 425
PHYSICAL Weight (inc. batteries): 657 g (1.45 lb / 23.17 oz)
PHYSICAL Battery Life (CIPA): 650
OTHER FEATURES Timelapse recording: Yes (via downloadable app)
Summary
The Alpha a7R III highest resolution of 7952 x 5304 pixels (42 megapixels) is better in comparison with the Cyber-shot DSC-RX10 IV maximum resolution of 5472 x 3648 pixels (20 megapixels). The Alpha a7R III is equipped with bigger sensor than the Cyber-shot DSC-RX10 IV: Full frame (35.9 x 24 mm) versus 1 (13.2 x 8.8 mm). It is very significant advantage of this camera as big sensor lets you to produce pictures of the more professional quality. The Alpha a7R III offers a wider ISO range of 100-32000 in compare with 100-12800 ISO range of the Cyber-shot DSC-RX10 IV. This ISO range allow the camera owner to produce good quality pictures in more difficult situations. The Alpha a7R III provides more number of white balance presets - 10. This specification gives you more control over colour. The Alpha a7R III provides more focus points in compare with the Cyber-shot DSC-RX10 IV: 425 vs 315. More focus points means more convenience while attempting to focus on objects that are not centred.
The Cyber-shot DSC-RX10 IV is produced with built-in flash. The Alpha a7R III battery life is better in compare to the Cyber-shot DSC-RX10 IV battery life. In accordance with CIPA standards the camera owner will be able to take 650 shots with the Alpha a7R III and only 400 with the Cyber-shot DSC-RX10 IV. The Alpha a7R III weighs 657g that is 438g lighter in comparison with the weight of the Sony Cyber-shot DSC-RX10 IV.
Considering the above-mentioned differences the Alpha a7R III becomes the best choice. Check the list of the best offers on Amazon