Xiaomi Redmi 9 (India) vs Samsung Galaxy A21s

Phones Images
PHONES
Phone Names Xiaomi Redmi 9 (India) Samsung Galaxy A21s
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 900 / 2100HSDPA 850 / 900 / 1900 / 2100
4G bands1, 3, 5, 8, 40, 411, 2, 3, 5, 7, 8, 20, 28, 38, 40, 41
SpeedHSPA, LTEHSPA, LTE
TechnologyGSM / HSPA / LTEGSM / HSPA / LTE
Launch
Announced2020, August 27. Released 2020, August 312020, May 15. Released 2020, June 02
StatusDiscontinuedDiscontinued
Body
Build-Glass front, plastic frame, plastic back
Dimensions164.9 x 77.1 x 9 mm (6.49 x 3.04 x 0.35 in)163.7 x 75.3 x 8.9 mm (6.44 x 2.96 x 0.35 in)
SIMNano-SIM + Nano-SIM· Nano-SIM· Nano-SIM + Nano-SIM
Weight194 g (6.84 oz)192 g (6.77 oz)
 Water-repellent coating-
Display
Resolution720 x 1600 pixels, 20:9 ratio (~269 ppi density)720 x 1600 pixels, 20:9 ratio (~270 ppi density)
Size6.53 inches, 102.9 cm2 (~81.0% screen-to-body ratio)6.5 inches, 102.0 cm2 (~82.8% screen-to-body ratio)
TypeIPS LCD, 400 nits (typ)PLS LCD
Platform
CPUOcta-core (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53)Octa-core (4x2.0 GHz Cortex-A55 & 4x2.0 GHz Cortex-A55)
ChipsetMediatek MT6765G Helio G35 (12 nm)Exynos 850 (8 nm)
GPUPowerVR GE8320Mali-G52
OSAndroid 10, MIUI 12Android 10, upgradable to Android 12, One UI 4.1
Memory
Card slotmicroSDXC (dedicated slot)microSDXC (dedicated slot)
Internal64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM32GB 2GB RAM, 32GB 3GB RAM, 32GB 4GB RAM, 64GB 3GB RAM, 64GB 4GB RAM, 64GB 6GB RAM, 128GB 2GB RAM, 128GB 3GB RAM, 128GB 4/6GB RAM
 eMMC 5.1eMMC 5.1
Main Camera
Dual13 MP, f/2.2, (wide), PDAF Auxiliary lens-
FeaturesLED flash, HDRLED flash, panorama, HDR
Quad-48 MP, f/2.0, 26mm (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.2, 123˚ (ultrawide), 1/4.0", 1.12µm 2 MP (macro) Auxiliary lens
Video1080p@30fps1080p@30fps
Selfie camera
FeaturesHDR-
Single5 MP, f/2.2, (wide), 1.12µm13 MP, f/2.2, (wide), 1/3.1", 1.12µm
Video1080p@30fps1080p@30fps
Sound
3.5mm jack YesYes
35mm jackYesYes
Loudspeaker YesYes
Comms
Bluetooth5.0, A2DP, LE5.0, A2DP, LE
NFCNoYes (market/region dependent)
PositioningGPS, GLONASS, BDSGPS, GLONASS, GALILEO, BDS
RadioFM radioFM radio, RDS, recording
USBmicroUSB 2.0, OTGUSB Type-C 2.0
WLANWi-Fi 802.11 b/g/n, Wi-Fi DirectWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Features
SensorsFingerprint (rear-mounted), accelerometer, proximityFingerprint (rear-mounted), accelerometer, gyro, proximity, compass
Battery
Charging10W wired15W wired
TypeLi-Po 5000 mAhLi-Po 5000 mAh
Misc
ColorsBlack, Sky Blue, Sporty OrangeBlack, White, Blue, Red
ModelsM2004C3MISM-A217F, SM-A217F/DS, SM-A217F/DSN, SM-A217M, SM-A217M/DS, SM-A217N
PriceAbout 110 EURAbout 220 EUR
SAR0.51 W/kg (head)     0.83 W/kg (body)-
SAR EU-0.42 W/kg (head)     1.54 W/kg (body)
Tests
Battery life-Endurance rating 119h
Camera- Photo / Video
Display- Contrast ratio: 1287:1 (nominal)
Loudspeaker- -30.0 LUFS (Average)
Performance- AnTuTu: 107157 (v8) GeekBench: 1100 (v5.1) GFXBench: 11fps (ES 3.1 onscreen)
OUR TESTS
Battery (old)-Endurance rating 119h
Camera-Photo / Video
Display-1287:1 contrast ratio, 490 nits max brightness (measured)
Loudspeaker--30.0 LUFS (Average)
Performance-AnTuTu: 107157 (v8) GeekBench: 1100 (v5.1) GFXBench: 11fps (ES 3.1 onscreen)