Xiaomi Mi 11X / POCO F3 / Redmi K40 — Product Specifications

Category	Specification
Brand	Xiaomi
Models	Mi 11X / POCO F3 / Redmi K40
Codename	alioth
Launch Year	2021
Release Date	March 2021
OS (at launch)	Android 11 with MIUI 12
Chipset (SoC)	Qualcomm Snapdragon 870 5G (7 nm)
CPU	Octa-core (1×3.2 GHz Kryo 585 Prime • 3×2.42 GHz Kryo 585 Gold • 4×1.8 GHz Kryo 585 Silver)
GPU	Adreno 650
RAM Options	6 GB / 8 GB LPDDR5
Storage Options	128 GB / 256 GB UFS 3.1
Display Type	AMOLED, 120 Hz, HDR10+, 1300 nits (peak)
Display Size	6.67 inches (~85.9% screen-to-body ratio)
Display Resolution	1080 × 2400 pixels (FHD+, 20:9 ratio, ~395 ppi)
Display Protection	Corning Gorilla Glass 5
Touch Sampling Rate	360 Hz
Rear Main Camera	48 MP, f/1.8, 26 mm (wide), 1/2.0", PDAF
Rear Ultra-Wide Camera	8 MP, f/2.2, 119°
Rear Macro Camera	5 MP, f/2.4 (tele-macro, autofocus)
Front Camera	20 MP, f/2.5, (wide)
Video Recording Rear	4K @ 30/60 fps • 1080p @ 30/60/120/240/960 fps
Video Recording Front	1080p @ 30 fps
Battery Type	Li-Po 4520 mAh (non-removable)
Charging	33 W wired, PD 3.0, QC 3+
Charging Time	~52 minutes (0 → 100%)
Network	2G / 3G / 4G / 5G
SIM Type	Dual SIM (Nano-SIM, dual stand-by)
Wi-Fi	Wi-Fi 6 (802.11 a/b/g/n/ac/ax), dual-band
Bluetooth	5.1 (A2DP, LE)
GPS	GPS (L1 + L5), GLONASS, BDS, GALILEO
NFC	Available in most regions
Infrared Blaster (IR)	Yes
USB	Type-C 2.0, USB OTG
Audio	Dual stereo speakers (Dolby Atmos support), Hi-Res Audio certified, No headphone jack
Additional Notes	Excellent thermal performance due to Snapdragon 870 efficiency, Known for flagship-grade performance at mid-range pricing

Device picture