Now, a source has just shared with us detailed information regarding the design and successors of the lineup.

According to leaker Panda is Bald, Xiaomi 13 will feature a 6.36-inch E6 AMOLED display with Full-HD+ resolution. The glass back variant of the device will measure 152.8 x 71.5 x 7.98mm and weigh 189 grams. The leather back variant of Xiaomi 13 will measure 162.8 x 71.5 x 8.1mm and weigh around 185 grams.
Xiaomi 13 Pro will boast a 6.73-inch E6 AMOLED display with Quad-HD+ resolution and 1920Hz PWM blur reduction. Unlike the standard variant with a flat screen, the Pro model will have curved edges. The ceramic back variant of Xiaomi 13 Pro will measure 163 x 74.6 x 8.38mm and weigh 229 grams. The leather back variant will measure 163 x 75.6 x 8.7mm and weigh 210 grams.
Under the hood, the Snapdragon 8 Gen 2 chipset will power both of these devices. Both models will feature LPDDR5x RAM and UFS 4.0 internal storage. Xiaomi 13 will come with a 4,500mAh battery supporting 67W fast charging, while the premium Pro variant will pack a 4,820mAh battery with 120W wired fast charging and 50W wireless charging.
Regarding photography capabilities, the Xiaomi 13 will feature a triple camera system consisting of 50 megapixels + 12 megapixels + 10 megapixels. On the other hand, the Xiaomi 13 Pro will sport a 50-megapixel main camera (Sony IMX989 1-inch sensor), a 50-megapixel ultra-wide lens, and a 50-megapixel telephoto camera.
