Oppo A53 vs Xiaomi Redmi Note 9S

Phones Images
PHONES
Phone Names Oppo A53 Xiaomi Redmi Note 9S
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 900 / 2100HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands1, 3, 5, 8, 38, 40, 411, 2, 3, 4, 5, 7, 8, 20, 28, 38, 40
SpeedHSPA, LTEHSPA, LTE
TechnologyGSM / HSPA / LTEGSM / HSPA / LTE
Launch
Announced2020, August 20. Released 2020, August 252020, March 23. Released 2020, April 30
StatusDiscontinuedDiscontinued
Body
Build-Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), plastic frame
Dimensions163.9 x 75.1 x 8.4 mm (6.45 x 2.96 x 0.33 in)165.8 x 76.7 x 8.8 mm (6.53 x 3.02 x 0.35 in)
SIMNano-SIM + Nano-SIMNano-SIM + Nano-SIM
Weight186 g (6.56 oz)209 g (7.37 oz)
 -Water-repellent coating
Display
ProtectionCorning Gorilla Glass 3Corning Gorilla Glass 5
Resolution720 x 1600 pixels, 20:9 ratio (~270 ppi density)1080 x 2400 pixels, 20:9 ratio (~395 ppi density)
Size6.5 inches, 102.0 cm2 (~82.9% screen-to-body ratio)6.67 inches, 107.4 cm2 (~84.5% screen-to-body ratio)
TypeIPS LCD, 90HzIPS LCD, HDR10, 450 nits (typ)
Platform
CPUOcta-core (4x1.8 GHz Kryo 240 & 4x1.6 GHz Kryo 240)Octa-core (2x2.3 GHz Kryo 465 Gold & 6x1.8 GHz Kryo 465 Silver)
ChipsetQualcomm SM4250 Snapdragon 460 (11 nm)Qualcomm SM7125 Snapdragon 720G (8 nm)
GPUAdreno 610Adreno 618
OSAndroid 10, upgradable to Android 11Android 10, upgradable to Android 12, MIUI 14
Memory
Card slotmicroSDXC (dedicated slot)microSDXC (dedicated slot)
Internal64GB 4GB RAM, 128GB 4GB RAM, 128GB 6GB RAM, 256GB 8GB RAM64GB 4GB RAM, 64GB 6GB RAM, 128GB 4GB RAM, 128GB 6GB RAM
 UFS 2.1UFS 2.1
Main Camera
FeaturesLED flash, HDR, panoramaLED flash, HDR, panorama
Quad-48 MP, f/1.8, 26mm (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.2, 119˚ (ultrawide), 1/4.0", 1.12µm 5 MP (macro), AF Auxiliary lens
Triple13 MP, f/2.2, 25mm (wide), 1/3.06", 1.12µm, PDAF 2 MP (macro) Auxiliary lens-
Video1080p@30fps4K@30fps, 1080p@30/60/120fps, 720p@960fps, gyro-EIS
Selfie camera
FeaturesHDRHDR, panorama
Single16 MP, f/2.0, (wide), 1/3.06", 1.0µm16 MP, f/2.5, (wide), 1/3.06" 1.0µm
Video1080p@30fps1080p@30/120fps
Sound
3.5mm jack YesYes
35mm jackYesYes
Loudspeaker Yes, with stereo speakersYes
Comms
Bluetooth5.0, A2DP, LE, aptX HD5.0, A2DP, LE
Infrared port-Yes
NFCNoNo
PositioningGPS, GLONASS, GALILEO, BDSGPS, GLONASS, GALILEO, BDS
RadioFM radioFM radio, recording
USBUSB Type-C 2.0, OTGUSB Type-C 2.0, OTG
WLANWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi DirectWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Features
SensorsFingerprint (rear-mounted), accelerometer, proximity, compassFingerprint (side-mounted), accelerometer, gyro, proximity, compass
Battery
Charging18W wired18W wired
TypeLi-Po 5000 mAhLi-Po 5020 mAh
Misc
ColorsFairy White, Electric Black, Fancy BlueAurora Blue, Glacier White, Interstellar Gray
ModelsCPH2127, CPH2131M2003J6A1G
Price£ 158.16 / € 169.99About 110 EUR
SAR0.77 W/kg (head)     0.97 W/kg (body)0.96 W/kg (head)     0.40 W/kg (body)
SAR EU-0.72 W/kg (head)     0.98 W/kg (body)
Tests
Battery life-Endurance rating 127h
Camera- Photo / Video
Display- Contrast ratio: 1389:1 (nominal)
Loudspeaker- -27.8 LUFS (Good)
Performance- AnTuTu: 254000 (v8) GeekBench: 1785 (v5.1) GFXBench: 15fps (ES 3.1 onscreen)
OUR TESTS
Battery (old)-Endurance rating 127h
Camera-Photo / Video
Display-1389:1 contrast ratio, 575 nits max brightness (measured)
Loudspeaker--27.8 LUFS (Good)
Performance-AnTuTu: 254000 (v8) GeekBench: 1785 (v5.1) GFXBench: 15fps (ES 3.1 onscreen)