That's not the only difference between the two variants, though. The 4G model packs a 5,000 mAh battery which now charges faster up to 33W instead of 10W, but the screen refresh rate is reduced from 90Hz to 60Hz. It is still a 6.56" LCD having HD+ resolution.
The memory and storage have also come down. You get 3GB RAM and 64GB of storage onboard. However, the Oppo A57 4G supports RAM expansion up to 4GB - which will hardly make any difference - and storage expansion up to 1TB.
The Oppo A57 4G looks identical to its 5G counterpart at first, but upon closer inspection, you can notice the slightly different design of the camera island. The 4G version also flaunts the Oppo Glow design.
The rest of the Oppo A57 4G's highlights include a side-mounted fingerprint reader, 13MP primary camera, 2MP depth sensor, 8MP selfie camera, USB-C, 3.5mm headphone jack, IP54 rating, and Dirac 3.0 certification.
The Oppo A57 4G runs Android 12-based ColorOS 12.1 out of the box and has two color options - Glowing Black and Glowing Green.
The smartphone is priced at THB5,499 ($160/€150) in Thailand, but those who pre-book it through online retailers can get it for as low as THB4,999 ($145/€135). Availability in other markets is unknown.
Source (in Thai)
I like so much oppo fones I am using 7 year old only oppo fones oppo is best and great