1. SENSORThe A6700 features an APS-C sensor (26MP), which is smaller compared to the full-frame sensor found in the A7 IV (33MP). The A7 model also has a wider ISO range.
2. VIDEOThey can record 4K up to 60p, although the A7 IV can only achieve 50p and 60p in APS-C mode. The A6700 also offers 4K at 100p/120p, but with a 1.58x crop.
3. AUTOFOCUSThe A6700 can detect the entire body of a person, understanding their posture and position. Its advanced capabilities extend to recognizing insects, airplanes, and cars.
4. DESIGNThe A7 IV is bigger and provides additional controls, including an AF joystick at the rear, as well as a few extra custom buttons for enhanced customization.
5. MEMORY The A6700 can take one SD card. The A7 IV has two SD slots, and goes a step further by offering compatibility with CFexpress Type A cards in the first slot.