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Main
Model
Price
Advantages
SENSOR Effective pixels: 20 megapixels
SENSOR Max resolution: 5472 x 3648
SENSOR Sensor photo detectors: 21 megapixels
IMAGE White balance presets: 9
PHOTOGRAPHY FEATURES Subject / scene modes: Yes
PHOTOGRAPHY FEATURES Flash range: 10.20 m (at Auto ISO)
PHOTOGRAPHY FEATURES Continuous drive: 16.0 fps
SCREEN / VIEWFINDER Screen dots: 1,228,800
SCREEN / VIEWFINDER Viewfinder type: Electronic
VIDEOGRAPHY FEATURES Resolutions: 3840 x 2160 (30p, 25p, 24p), 1920 x 1080 (60p/60i/24p), 1280 x 720 (60p/30p/24p/120p), 1440 x 1080 (30 fps), 640 x 480 (30 fps)
VIDEOGRAPHY FEATURES Microphone: Stereo
VIDEOGRAPHY FEATURES Speaker: Mono
PHYSICAL Weight (inc. batteries): 298 g (0.66 lb / 10.51 oz)
Main
Model
Price
Advantages
SENSOR Sensor size: APS-C (23.6 x 15.6 mm)
IMAGE ISO: Auto, 200-6400 (expandable to 100-51200)
IMAGE Boosted ISO (maximum): 51200
PHOTOGRAPHY FEATURES Maximum shutter speed: 1/4000 sec
PHOTOGRAPHY FEATURES External flash: Yes
SCREEN / VIEWFINDER Touch screen: Yes
OPTICS & FOCUS Number of focus points: 77
PHYSICAL Battery Life (CIPA): 330
OTHER FEATURES Timelapse recording: Yes
Summary
The Sony Cyber-shot DSC-RX100 IV highest resolution of 5472 x 3648 pixels (20 megapixels) is better than the X70 highest resolution of 4896 x 3264 pixels (16 megapixels). The X70 has larger sensor compared to the Sony Cyber-shot DSC-RX100 IV: APS-C (23.6 x 15.6 mm) versus 1 (13.2 x 8.8 mm). This is the most important difference between these models as big sensor lets the photographer to shoot pictures of the better quality. The X70 offers a wider ISO range of 200-6400 than 125-12800 ISO range of the Sony Cyber-shot DSC-RX100 IV. This ISO range let the photographer to shoot better pictures in dim light situations. The Sony Cyber-shot DSC-RX100 IV provides more presets of white balance - 9. This specification gives the photographer more control over colour. The X70 offers more focus points than the Sony Cyber-shot DSC-RX100 IV: 77 vs 25. More number of focus points means less risk of losing focus lock when tracking a moving subject.
The Sony Cyber-shot DSC-RX100 IV screen is better as it has more screen dots 1,228,800 in compare to 1,040,000 dots of the X70 screen. The higher dot count screen is better for reviewing pictures on your camera. The X70 is equipped with a touch screen.
The X70 supports external flash. An external flash provides amazing control over the exposure and lighting of the object in low light or in bright light situations where the photographer needs to fill-flash. The X70 battery life is better than the Sony Cyber-shot DSC-RX100 IV battery life. According to CIPA standards you will be able to take 330 shots with the X70 and only 280 with the Cyber-shot DSC-RX100 IV. The Sony Cyber-shot DSC-RX100 IV weighs 298g which is 42g lighter than the weight of the X70.
Considering the above-mentioned differences the Sony Cyber-shot DSC-RX100 IV becomes the best choice. Get the list of the best offers on Amazon