Four people said in their reviews that the product was compact. Cameralabs.com gave the product a rating of 4 stars out of 5 and said in their review of this digital camera on expert website Camera Labs “Sony Cyber-shot DSC-W310 verdict Sony's Cyber-shot DSC-W310 is a stylish compact with a 12 Megapixel sensor, 4x optical zoom”. Expert website Photographybay.com mentioned “It’s compact size and friendly price-point are sure to make it a consideration for casual photographers looking to keep a camera at their instant disposal for snapshots”. They also wrote “The Sony Cyber-shot W310 is a 12.1-megapixel consumer-oriented compact camera” in their review.
Two customers who bought the Sony DSC-W310 considered that it was thin. Website Apcmag.com rated the product 5 stars out of 5 and said six years ago “Slim, easy to use design and fast focus” in their review of this digital camera. J. A. Sullivan wrote “Neat, slim, sleek and fits in the handbag nicely”.