Samsung Galaxy S21 FE has a 6.4 inches Fluid Full HD+ Dynamic AMOLED 2X display and a 120Hz refresh rate. It has its front camera beautifully placed in the most convenient place. It has a triple (12+8+12 MP) camera arrangement at the back with Dual Pixel PDAF, OIS, telephoto, ultrawide, LED flash, auto-HDR, panorama, etc., and Ultra HD video recording which is the same setup. The ultrawide camera depends on a 12MP camera behind the f/2.4 lens. the main or back camera can record 4k with 30/60FPS or 1080p with 30/60/240FPS video. It has Night Mode but there is no autofocus. Samsung Galaxy S21 FE has a front camera of 32 MP. The front camera is recording 4k with 30/60FPS and 1080p with 30/60FPS and it has HDR and gyro-EIS.
It comes with a 4500 mAh Li-Po battery with 25W wired fast charging which is decent. You can buy this phone with 6/8GB RAM, up to Octa-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55) - Version 1Octa-core (1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A55) - Version 2 CPU, and Adreno 660 - Version 1Mali-G78 MP14 - Version 2 GPU. The phone is powered by a Qualcomm SM8350 Snapdragon 888 5G (5 nm) - Version 1Exynos 2100 (5 nm) - Version 2 chipset. The phone comes with 256 GB internal storage, there is no MicroSD slot in this phone. There is also an optical in-display Fingerprint (under display, optical) sensor under display in this phone which is standard.
Samsung Galaxy S21 FE has all the other regular features like Dual SIM. Face Unlock, USB Type-C, OTG, accelerometer, gyro, proximity, compass, etc. Samsung Galaxy S21 FE 6GB RAM lets users save their important documents and favorite games within a 128GB non-expandable internal storage. This is the best variant to go for as 8GB RAM is good enough for most of the things you'd expect to do on your smartphone. Users can also play high-quality mobile games like PUBG, and Free Fire, COD smoothly without any lag or delay providing that they have a good internet connection. Though it costs a little more if the users buy the 8GB RAM and 256GB ROM Version, they will not worry about upgrading to a new phone for a long time.