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Main
Model
Price
Advantages
SENSOR Sensor size: APS-C (23.7 x 15.7 mm)
IMAGE ISO: Auto, 100-25600
IMAGE White balance presets: 10
PHOTOGRAPHY FEATURES Minimum shutter speed: 300 sec
PHOTOGRAPHY FEATURES Maximum shutter speed: 1/4000 sec
PHOTOGRAPHY FEATURES External flash: Yes (via hot shoe)
SCREEN / VIEWFINDER Screen dots: 1,230,000
SCREEN / VIEWFINDER Viewfinder type: Optical (optional)
PHYSICAL Weight (inc. batteries): 251 g (0.55 lb / 8.85 oz)
PHYSICAL Battery Life (CIPA): 320
Main
Model
Price
Advantages
SENSOR Effective pixels: 20 megapixels
SENSOR Max resolution: 5472 x 3648
SENSOR Sensor photo detectors: 21 megapixels
IMAGE Image stabilization: Optical
PHOTOGRAPHY FEATURES Flash range: 10.20 m (at Auto ISO)
PHOTOGRAPHY FEATURES Continuous drive: 16.0 fps
SCREEN / VIEWFINDER Articulated LCD: Tilting
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)
OPTICS & FOCUS Optical zoom: 2.9×
OPTICS & FOCUS Number of focus points: 25
Summary
The Sony Cyber-shot DSC-RX100 IV maximum resolution of 5472 x 3648 pixels (20 megapixels) is better in comparison with the GR II maximum resolution of 4928 x 3264 pixels (16 megapixels). The GR II has bigger sensor than the Sony Cyber-shot DSC-RX100 IV: APS-C (23.7 x 15.7 mm) versus 1″ (13.2 x 8.8 mm). This is the most significant specification of this model because large sensor lets the photographer to produce photos of the more professional quality. The GR II offers a wider ISO range of 100-25600 in compare with 125-12800 ISO range of the Sony Cyber-shot DSC-RX100 IV. Such ISO range let you to produce good quality photos in more difficult situations. The GR II offers more number of white balance presets - 10. This specification gives the photographer more control over colour. The Sony Cyber-shot DSC-RX100 IV has image stabilization which will allow you to produce blur-free images when using lenses with long focal lengths. The Cyber-shot DSC-RX100 IV provides more powerful 2x optical zoom. The Sony Cyber-shot DSC-RX100 IV offers more focus points in compare with the GR II: 25 vs 9. More focus points means less risk of losing focus lock when following a moving object.
The Cyber-shot DSC-RX100 IV has tilting LCD which will let the photographer to capture images from any interesting angle. The GR II screen is better as it offers more screen dots 1,230,000 in comparison to 1,228,800 dots of the Sony Cyber-shot DSC-RX100 IV display. The higher dot count screen is better for reviewing images on your camera. The GR II has better minimum (300 seconds) and fastest (1/4000 second) shutter speeds.
The GR II supports external flash. An external flash provides superior control over the exposure and lighting of the object in dim light or in bright light situations when the camera owner needs to fill-flash. The GR II battery life is better in compare to the Sony Cyber-shot DSC-RX100 IV battery life. According to CIPA standards you will be able to take 320 shots with the GR II and only 280 with the Cyber-shot DSC-RX100 IV. The GR II weighs 251g which is 47g lighter in comparison with the weight of the Cyber-shot DSC-RX100 IV.
The GR II and the Sony Cyber-shot DSC-RX100 IV have the same number of advantages though as the GR II has bigger sensor which is a very significant specification then this model will be the best buy.