Phone Comparison - Xiaomi Redmi Note 9 4G vs Realme 9i vs Infinix Note 40

Price Comparison (India) - -

general General Info

Manufacturer Xiaomi Realme Infinix
Announced November 2020 January 2022 March 2024
Status Coming Soon - December 2020 Available - January 2022 Available - March 2024
Price - Rs. 13,999 ($0.00) [Similarly Priced] -
Colors Gray, Green, Blue, Orange Black, Blue Titan Gold, Obsidian Black
Form Factor Candybar Candybar Candybar
Dimension 162.3 x 77.3 x 9.6 mm
(6.39 x 3.04 x 0.38 in)
164.4 x 75.7 x 8.4 mm
(6.47 x 2.98 x 0.33 in)
164.1 x 74.5 x 7.8 mm
(6.46 x 2.93 x 0.31 in)
Weight 198 g (6.98 oz) 190 g (6.7 oz) 190 g (6.7 oz)
SIM Type Dual SIM (Nano-SIM, dual stand-by) Dual SIM (Nano-SIM, dual stand-by) Dual SIM (Nano-SIM, dual stand-by)
2G Network GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
CDMA 800
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network HSDPA 850 / 900 / 2100 HSDPA 850 / 900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
HSDPA 850 / 900 / 2100
4G Network 1, 3, 5, 8, 34, 38, 39, 40, 41 1, 3, 5, 7, 8, 20, 28, 38, 40, 41
1, 3, 5, 8, 38, 40, 41
1, 2, 3, 4, 5, 7, 8, 12, 17, 13, 26, 28, 38, 40, 41, 66
1, 2, 3, 4, 5, 7, 8, 20, 28, 38, 40, 41
1, 3, 5, 8, 38, 40, 41
Messaging
Build Features - Fingerprint Sensor
- Fingerprint Sensor (side-mounted)
)
- Fingerprint Sensor (under display, optical)
IP54, dust and splash resistant

hardware Hardware and OS

OS Android 10 Android 11 Android 14
User Interface MIUI 12 Realme UI 2.0 XOS 14
Processor Octa-core (4x2.0 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver), Qualcomm SM6115 Snapdragon 662 (11 nm) Octa-core (4x2.4 GHz Kryo 265 Gold & 4x1.9 GHz Kryo 265 Silver), Qualcomm SM6225 Snapdragon 680 4G (6 nm) Octa-core (2x2.2 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55), Mediatek Helio G99 Ultimate
GPU Adreno 610 Adreno 610 Mali-G57 MC2
RAM 8 GB 6 GB 8 GB
Internal Memory 256 GB 128 GB 256 GB
External Memory microSDXC (dedicated slot) microSDXC (dedicated slot) Unspecified

display Display

Type IPS LCD Screen
Corning Gorilla Glass 3
400 nits (typ)
FHD+ IPS LCD Screen
90Hz Refresh Rate
480 nits (typ)
Dragontrail Pro Glass
FHD+ AMOLED Screen
120Hz Refresh Rate
1300 Nits (peak)
Corning Gorilla Glass
Colors 16M Colour 16M Colors 16M colors
Size 6.53 inches 6.6 inches 6.78 inches
Resolution 1080 x 2340 pixels (395 ppi) 1080 x 2412 pixels (400 ppi) 1080 x 2436 pixels (393 ppi)
Screen-to-Body Ratio 83.29% 84.40% 89.89%
Multi-Touch yes yes yes

multimedia Multimedia

3.5mm Jack yes yes no
Radio FM radio No FM radio
Games Yes + Downloadable Yes + Downloadable Yes + Downloadable
Loud Speaker

camera Camera

Rear Camera 48 MP + 8 MP + 2 MP 50 MP + 2 MP + 2 MP 108 MP + 2 MP
Flash LED Flash LED Flash Quad-LED Flash
Features 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)
HDR, Panorama
50 MP, f/1.8, 26mm (wide), 1/2.76", 0.64µm, PDAF
2 MP, f/2.4, (macro)
2 MP, f/2.4, (depth)
HDR, Panorama
108 MP, f/1.9, (wide), 1/1.52", PDAF
2 MP, f/2.4
3rd unspecified camera
HDR, Panorama
Video 1080p@30fps 1080p@30fps 1440p@30fps, 1080p@30/60fps
Front Camera 8 MP, f/2.0, 27mm (wide), 1/4.0", 1.12µm
1080p@30fps [Similar]
16 MP, f/2.1, 26mm (wide), 1/3.0", 1.0µm
Panorama
1080p@30fps [Similar]
32 MP, f/2.2, (wide), 1/3.1"
1080p@30fps [Similar]

connectivity Connectivity and Data Rate

GPRS Yes Yes Yes
Edge Yes Yes Yes
3G HSPA 42.2/5.76 Mbps, LTE-A HSPA 42.2/5.76 Mbps, LTE-A HSPA, LTE
Bluetooth 4.2, A2DP 5.0, A2DP, LE Yes
Wi-Fi Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot Wi-Fi 802.11 a/b/g/n/ac, dual-band, hotspot Wi-Fi 802.11 a/b/g/n/ac, dual-band
USB USB Type-C 2.0, USB On-The-Go USB Type-C 2.0, USB On-The-Go USB Type-C 2.0, OTG
GPS Yes, with A-GPS, GLONASS, GALILEO, BDS Yes, with A-GPS, GLONASS, GALILEO, BDS GPS
Browser Yes Yes Yes

memory User Memory

Internal 256 GB, 8 GB RAM or 128 GB, 8 GB RAM or 128 GB, 6 GB RAM or 128 GB, 4 GB RAM 128 GB, 6 GB RAM or 128 GB, 4 GB RAM or 64 GB, 4 GB RAM UFS 2.1 256 GB, 8 GB RAM UFS 2.2
Expandable Storage microSDXC (dedicated slot) microSDXC (dedicated slot) Unspecified
USB OTG Supported Supported Supported

Apps Sensors

Fingerprint fingerprint supported fingerprint supported fingerprint supported
Proximity Sensor proximity sensor present proximity sensor present proximity sensor present
Accelerometer Sensor accelerometer sensor present accelerometer sensor present accelerometer sensor present
Magnetic-Field Sensor (Compass) magnetic field sensor present magnetic field sensor present magnetic field sensor present
Gyroscope Sensor gyroscope sensor not present gyroscope sensor not present gyroscope sensor present
NFC NFC not supported NFC not supported NFC not supported

battery Battery

Type Non-removable Li-Po Battery
Fast battery charging 18W
Reverse charging 2.5W
Non-removable Li-Po Battery
Fast battery Charging 33W, 100% in 70 min (advertised)
Non-removable Li-Po Battery
Fast battery Charging 45W wired, 50% in 26 min
20W wireless MagCharge
Reverse wired
Reverse wireless
Capacity 6000 mAh 5000 mAh 5000 mAh
Stand by - - -
Talk Time - - -