The OLED Switch has an identical form factor to the original
Switch: Its a simple rectangular tablet with rails on the sides to which Joy-Con controllers attach, and a dock that outputs video to your TV. In fact, the OLED Switch's tablet form is almost the same size as the LCD model's, just a tenth of an inch longer at 4 by 9.5 by 0.55 inches (HWD) with Joy-Cons attached. Its also an eighth of an ounce heavier, weighing 14.9 ounces to the LCD Switchs 14.1 ounces. Neither of these changes are readily noticeable; if you had both switches in front of you, youd have to take a close look to see and feel the size and weight differences.