Samsung Galaxy A71 vs Xiaomi Redmi Note 9S

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Galaxy A71 compared with Redmi Note 9S

	SamsungGalaxy A71	XiaomiRedmi Note 9S
Overview
Released
Released	January 2020	March 2020
Display
Screen size
Screen size	6.7″	6.67″
Resolution
Resolution	2400 × 1080	2400 × 1080
Sharpness
Sharpness	393 pixels per inch	395 pixels per inch (better)
Panel
Panel	OLED	LCD
Refresh rate
Refresh rate	–	60 Hz
Display type
Display type	Full HD+ Super AMOLED Plus Infinity-O Display	IPS LCD and 60 Hz refresh identified by Tech Advisor; DotDisplay, 1,500:1 typical contrast and 84% NTSC typical
Screen protection
Screen protection	–	Corning Gorilla Glass 5 front and back
Display features
Display features	–	TÜV Rheinland low blue light certification and Reading mode 2.0
Performance
Chip
Chip	Snapdragon 730	Qualcomm Snapdragon 720G
Memory
Memory	6 GB	4 GB – 6 GB
Storage
Storage	128 GB	64 GB, 128 GB
CPU
CPU	Qualcomm Snapdragon 730 octa-core at 2.2 GHz and 1.8 GHz; named in Samsung Vietnam launch release	Octa-core Snapdragon 720G at up to 2.3 GHz; 8 nm process and Qualcomm fifth-generation AI engine
GPU
GPU	–	Adreno 618
Storage type
Storage type	Dedicated microSD slot supports cards up to 512 GB	UK configurations of 4/64 GB and 6/128 GB; dedicated microSD expansion up to 512 GB
Cameras
Main camera
Main camera	64 MP (better)	48 MP
Ultra wide camera
Ultra wide camera	12 MP	8 MP
Telephoto camera
Telephoto camera	None	None
Optical zoom
Optical zoom	None	None
Front camera
Front camera	32 MP (better)	16 MP
Main camera
Main camera	64 MP, F1.8, autofocus; no optical image stabilisation	48 MP, f/1.79, 1/2-inch sensor, 79° field of view, six-element lens and autofocus; 0.8 µm pixels or 4-in-1 binning to 1.6 µm; up to 8,000 × 6,000 photos
Ultra wide camera
Ultra wide camera	12 MP, F2.2, 123° field of view	8 MP, f/2.2 and 1.12 µm pixels; 119° field of view before distortion correction and 108° after correction
Front camera
Front camera	32 MP, F2.2, fixed focus	16 MP, f/2.48 and 1.0 µm pixels; panorama selfie, palm shutter, HDR, face recognition, AI beauty, portrait and scene detection
Video recording
Video recording	4K 3840 × 2160 at 30 fps; Super Steady video via ultra-wide camera	4K at 30 fps, Full HD at 30/60 fps and HD at 30 fps; Full HD slow motion at 120 fps or HD at 120/240/960 fps; ultrawide and macro recording, short video and cinematic 4K
Front video
Front video	–	120 fps slow-motion selfies
Camera features
Camera features	5 MP F2.4 macro camera and 5 MP F2.2 depth camera	Additional 5 MP macro with f/2.4, 1.12 µm pixels and autofocus at 2–10 cm; 2 MP depth sensor with f/2.4 and 1.75 µm pixels; night, document, cinematic portrait, 48 MP, Pro, panorama, burst, HDR, timer, levelling, watermark and kaleidoscope modes; 27 rear AI scene tags
Battery and charging
Battery
Battery	4,500 mAh	5,020 mAh (better)
Wired charging
Wired charging	–	Up to 18 W
Video playback (maker's claim)
Video playback (maker's claim)	Up to 24 hours	–
Wireless charging
Wireless charging	None	None
Battery life detail
Battery life detail	4,500 mAh typical; 25 W Super Fast Charging; up to 24 hours video playback	5,020 mAh typical non-removable lithium-ion polymer battery; maker laboratory claims of 147 hours music, 33 hours calling, 16 hours navigation or 13 hours gaming
Wired charging
Wired charging	–	Phone supports 18 W wired charging; included adaptor is rated at 22.5 W
Design
Type
Type	Standard	Standard
Weight
Weight	179 g (better)	209 g
Thickness
Thickness	7.7 mm (better)	8.8 mm
Height × width
Height × width	163.6 × 76 mm	165.75 × 76.68 mm
Materials
Materials	–	3D curved glass back; plastic frame, as described by Tech Advisor
Colours
Colours	Prism Crush Black, Silver and Blue on the BTU product page	Interstellar Grey, Aurora Blue and Glacier White
Water resistance detail
Water resistance detail	–	Splash-proof nano-coating; no published IP rating
Biometrics
Biometrics	In-screen fingerprint reader and face recognition	Side fingerprint reader combined with the power button; AI face unlock
Sensors
Sensors	–	Z-axis linear vibration motor, fingerprint, distance, in-screen ambient light, accelerometer, gyroscope, compass and IR blaster
Speakers
Speakers	3.5 mm headphone socket; mono speaker	1216 ultra-linear speaker with 0.5 mm maximum amplitude and 10 V Smart PA; 3.5 mm headphone socket
Software
Operating system
Operating system	Android	Android
Software at launch
Software at launch	Android 10 with One UI 2	Android 10 with MIUI 11, as reported by both reviews
In the box
In the box	–	Phone, power adaptor, protective cover, USB-C cable, SIM tool, user guide and warranty card
Safety features
Safety features	Samsung Knox, Secure Folder and Samsung Pay	–
Connectivity
Mobile network
Mobile network	4G LTE, 3G WCDMA and 2G GSM	Dual SIM VoLTE, subject to local operator support; LTE FDD B1/B2/B3/B4/B5/B7/B8/B20/B28 and TDD B38/B40; WCDMA B1/B2/B4/B5/B8 and GSM B2/B3/B5/B8
SIM
SIM	Dual nano-SIM plus dedicated microSD slot on the BTU configuration	Two nano-SIM slots plus a separate microSD slot
Wi-Fi
Wi-Fi	Wi-Fi 5 (802.11a/b/g/n/ac), 2.4 and 5 GHz	Wi-Fi 802.11 a/b/g/n/ac, 2.4/5 GHz and Wi-Fi Direct
Bluetooth
Bluetooth	Bluetooth 5.0	Bluetooth 5.0
NFC
NFC	Supported	No NFC, as confirmed by both reviews
USB
USB	USB-C 2.0	USB-C; USB 2.0 controller identified by Notebookcheck
Positioning
Positioning	GPS, GLONASS, BeiDou and Galileo	GPS, A-GPS, GLONASS and BeiDou