Xiaomi Redmi Note 9S vs Infinix Smart 20 128GB

Key Specs
Display 6.67"
Battery 5020 mAh
Camera 48 MP + 8 MP + 5 MP + 2MP
Storage 128 GB 6 GB RAM
Network
TechnologyGSM / HSPA / LTE
2G bandsGSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bandsHSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands1, 2, 3, 4, 5, 7, 8, 20, 28, 38, 40
SpeedHSPA 42.2/5.76 Mbps, LTE-A
Launch
Announced2020, March 23
StatusAvailable. Released 2020, April 30
Body
Dimensions165.8 x 76.7 x 8.8 mm (6.53 x 3.02 x 0.35 in)
Weight209 g (7.37 oz)
BuildGlass front (Gorilla Glass 5), glass back (Gorilla Glass 5), plastic frame
SIMDual SIM (Nano-SIM, dual stand-by)
 Water-repellent coating
Display for Xiaomi Redmi Note 9S
TypeIPS LCD capacitive touchscreen, 16M colors
Size6.67 inches, 107.4 cm2 (~84.5% screen-to-body ratio)
Resolution1080 x 2400 pixels, 20:9 ratio (~395 ppi density)
ProtectionCorning Gorilla Glass 5
 450 nits typ. brightness (advertised)
HDR10
Platform
OSAndroid 10, MIUI 12
ChipsetQualcomm SM7125 Snapdragon 720G (8 nm)
CPUOcta-core (2x2.3 GHz Kryo 465 Gold & 6x1.8 GHz Kryo 465 Silver)
GPUAdreno 618
Memory
Card slotmicroSDXC (dedicated slot)
Internal128GB 6GB RAM
 UFS 2.1
Main Camera
Quad48 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, f/2.4, (macro), AF
2 MP, f/2.4, (depth)
FeaturesLED flash, HDR, panorama
Video4K@30fps, 1080p@30/60/120fps, 720p@960fps, gyro-EIS
Selfie camera
Single16 MP, f/2.5, (wide), 1/3.06" 1.0µm
FeaturesHDR, panorama
Video1080p@30/120fps
Sound
Loudspeaker Yes
3.5mm jack Yes
Comms
WLANWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot
Bluetooth5.0, A2DP, LE
GPSYes, with A-GPS, GLONASS, GALILEO, BDS
Infrared portYes
RadioFM radio, recording
USBUSB Type-C 2.0, USB On-The-Go
Features
SensorsFingerprint (side-mounted), accelerometer, gyro, proximity, compass
Battery
TypeLi-Po 5020 mAh, non-removable
ChargingFast charging 18W
Tests
PerformanceAnTuTu: 254000 (v8)
GeekBench: 1785 (v5.1)
GFXBench: 26fps (ES 3.1 onscreen)
DisplayContrast ratio: 1389:1 (nominal)
CameraPhoto / Video
Loudspeaker-27.8 LUFS (Good)
Battery life
Endurance rating 127h
space
Key Specs
Display 6.78""
Battery 5200 mAh
Camera 8 MP
Storage 128GB Built-in
Network
Technology GSM / HSPA / LTE
2G bands GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands 1, 2, 3, 4, 5, 7, 8, 20, 28, 38, 41, 40
Speed HSPA, LTE
Launch
Announced 2026, March 04
Status Available. Released 2026
Body
Dimensions 167.7 x 78.8 x 7.7 mm (6.60 x 3.10 x 0.30 in)
Weight 187 g (6.60 oz)
Build Glass front, plastic back, plastic frame
SIM Nano-SIM + Nano-SIM
 IP64 dust tight and water resistant (water splashes)
Drop resistant up to 1.5m
Display for Infinix Smart 20 128GB
Type IPS LCD, 120Hz, 700 nits (HBM)
Size 6.78 inches, 109.5 cm2 (~82.9% screen-to-body ratio)
Resolution 720 x 1576 pixels, 19.5:9 ratio (~259 ppi density)
Platform
OS Android 16, XOS 16
Chipset Mediatek Helio G81 Ultimate (12 nm)
CPU Octa-core (2x2.0 GHz Cortex-A75 & 6x1.7 GHz Cortex-A55)
GPU Mali-G52 MC2
Memory
Card slot microSDXC (dedicated slot)
Internal 128GB 4GB RAM
 eMMC 5.1
Main Camera
Single 8 MP, f/2.0, (wide), 1/4.0", 1.12µm, AF
Features Dual-LED flash, panorama
Video 1440p@30fps, 1080p@30fps
Selfie camera
Single 8 MP, f/2.0, (wide), 1/4.0", 1.12µm
Video 1440p@30fps, 1080p@30fps
Sound
Loudspeaker Yes
3.5mm jack Yes
Comms
WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth Yes
Positioning GPS
NFC Yes
Infrared port Yes
Radio FM radio
USB USB Type-C 2.0, OTG
Features
Sensors Fingerprint (side-mounted), accelerometer, proximity, compass
Battery
Type 5200 mAh
Charging 15W wired
5W reverse wired