Product
Xiaomi Redmi Note 9 4G
Xiaomi Redmi Note 9 4G
₹13,192
Infinix Note 50x
Infinix Note 50x
₹14,999
Battery
Charging 18W wired 2.5W reverse wired 45W wired 10W reverse wired Bypass Charging
Type Li-Po 6000 mAh 5500 mAh
Body
Build Glass front (Gorilla Glass 3), plastic frame, plastic back -
Dimensions 162.3 x 77.3 x 9.6 mm (6.39 x 3.04 x 0.38 in) 165.4 x 76.4 x 8.0 mm or 8.2 mm
SIM Nano-SIM + Nano-SIM Nano-SIM + Nano-SIM
Weight 198 g (6.98 oz) 195.4 g or 198.9 g (6.88 oz)
  Water-repellent coating IP64 dust tight and water resistant (water splashes) RGB notification light (on the back) MIL-STD-810H compliant* * does not guarantee ruggedness or use in extreme conditions
Comms
Bluetooth 4.2, A2DP 5.4, A2DP, LE
Infrared port Yes Yes
NFC No No
Positioning GPS, GLONASS, GALILEO, BDS GPS
Radio FM radio FM radio
USB USB Type-C 2.0, OTG USB Type-C 2.0, OTG
WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct Wi-Fi 802.11 a/b/g/n/ac/6, dual-band
Display
Protection Corning Gorilla Glass 3 -
Resolution 1080 x 2340 pixels, 19.5:9 ratio (~395 ppi density) 720 x 1600 pixels, 20:9 ratio (~263 ppi density)
Size 6.53 inches, 104.7 cm2 (~83.4% screen-to-body ratio) 6.67 inches, 107.4 cm2 (~85.0% screen-to-body ratio)
Type IPS LCD, 400 nits (typ) IPS LCD, 120Hz, 560 nits (typ)
Features
Sensors Fingerprint (side-mounted), accelerometer, proximity, compass Fingerprint (side-mounted), accelerometer, gyro, proximity, compass
Launch
Announced 2020, November 26 2025, March 27
Status Available. Released 2020, November 26 Available. Released 2025, April
Main Camera
Features LED flash, HDR, panorama Dual-LED flash, HDR, panorama
Single - 50 MP, f/1.6, (wide), PDAF
Triple 48 MP, f/1.8, 26mm (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.2, 120˚ (ultrawide), 1/4.0", 1.12µm 2 MP, f/2.4, (depth) -
Video 1080p@30fps 4K@30fps, 1080p@30/120/240fps
Memory
Card slot microSDXC (dedicated slot) microSDXC (uses shared SIM slot)
Internal 128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM 128GB 6GB RAM, 128GB 8GB RAM
  UFS 2.2 UFS 2.2
Misc
Colors Gray, Green, Blue, Orange Titanium Gray, Enchanted Purple, Sea Breeze Green, Sunset Spice Pink
Models M2010J19SC X6857B
Network
2G bands GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 850 / 900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands 1, 3, 5, 8, 34, 38, 39, 40, 41 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28, 38, 40, 41, 42, 66
5G bands - 1, 3, 5, 7, 8, 12, 20, 28, 38, 40, 41, 66, 71, 77, 78 SA/NSA
Speed HSPA, LTE HSPA, LTE, 5G
Technology GSM / CDMA / HSPA / LTE GSM / HSPA / LTE / 5G
  CDMA 800 -
Platform
Chipset Qualcomm SM6115 Snapdragon 662 (11 nm) Mediatek Dimensity 7300 Ultimate (4 nm)
CPU Octa-core (4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver) Octa-core (4x2.5 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55)
GPU Adreno 610 Mali-G615 MC2
OS Android 10, upgradable to Android 12, MIUI 14 Android 15, up to 2 major Android upgrades, XOS 15
Selfie camera
Single 8 MP, f/2.0, 27mm (wide), 1/4.0", 1.12µm 8 MP, f/2.0, (wide)
Video 1080p@30fps 1440p@30fps, 1080p@30fps
Sound
3.5mm jack Yes No
Loudspeaker Yes, with stereo speakers Yes, with stereo speakers
  24-bit/192kHz Hi-Res audio 24-bit/192kHz Hi-Res audio
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