Product
Infinix Note 40X 5G
Infinix Note 40X 5G
Samsung Galaxy M21 2021
Samsung Galaxy M21 2021
Battery
Charging 18W wired, 50% in 31 min Reverse wired 15W wired
Type 5000 mAh Li-Po 6000 mAh
Body
Build - Glass front, plastic back, plastic frame
Dimensions 168.9 x 76.5 x 8.3 mm (6.65 x 3.01 x 0.33 in) 159 x 75.1 x 9 mm (6.26 x 2.96 x 0.35 in)
SIM Nano-SIM + Nano-SIM Nano-SIM + Nano-SIM
Weight 201 g (7.09 oz) 192 g (6.77 oz)
  Dust and splash resistant -
Comms
Bluetooth 5.3, A2DP, LE 5.0, A2DP, LE
NFC Yes Yes (market/region dependent)
Positioning GPS GPS, GLONASS, GALILEO, BDS
Radio FM radio FM radio, RDS, recording
USB USB Type-C 2.0, OTG USB Type-C 2.0
WLAN Wi-Fi 802.11 a/b/g/n/ac Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Display
Resolution 1080 x 2460 pixels (~396 ppi density) 1080 x 2340 pixels, 19.5:9 ratio (~403 ppi density)
Size 6.78 inches, 109.2 cm2 (~84.5% screen-to-body ratio) 6.4 inches, 100.5 cm2 (~84.2% screen-to-body ratio)
Type IPS LCD, 120Hz, 500 Super AMOLED, 420 nits (peak)
Features
Sensors Fingerprint (side-mounted), accelerometer, proximity, compass Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass
Launch
Announced 2024, August 05 2021, July 21
Status Available. Released 2024, August 09 Available. Released 2021, July 26
Main Camera
Features Quad-LED flash, HDR, panorama LED flash, panorama, HDR
Triple 108 MP, f/1.8, (wide), PDAF 2 MP, (macro) Auxiliary lens 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 5 MP, f/2.2, (depth)
Video 1440p@30fps, 1080p@30/60fps 4K@30fps, 1080p@30fps, 720p@240fps, gyro-EIS
Memory
Card slot microSDXC (dedicated slot) microSDXC (dedicated slot)
Internal 256GB 8GB RAM, 256GB 12GB RAM 64GB 4GB RAM, 128GB 6GB RAM
  UFS 2.2 -
Misc
Colors Palm Blue, Lime Green, Starlit Black Charcoal Black, Arctic Blue
Models X6838 SM-M215G, SM-M215G/DS
SAR - 0.47 W/kg (head)    
Network
2G bands GSM 850 / 900 / 1800 / 1900 GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 HSDPA 850 / 900 / 1900 / 2100
4G bands 1, 3, 5, 8, 28, 38, 40, 41 1, 3, 5, 7, 8, 20, 38, 40, 41
5G bands 1, 3, 5, 8, 28, 38, 40, 41, 77, 78 SA/NSA -
Speed HSPA, LTE, 5G HSPA, LTE
Technology GSM / HSPA / LTE / 5G GSM / HSPA / LTE
Platform
Chipset Mediatek Dimensity 6300 (6 nm) Exynos 9611 (10 nm)
CPU Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55) Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53)
GPU Mali-G57 MC2 Mali-G72 MP3
OS Android 14, XOS 14 Android 11, One UI 3.1 Core
Selfie camera
Features Dual-LED flash HDR
Single 8 MP, (wide) 20 MP, f/2.2, 26mm (wide)
Video 1080p@30fps 1080p@30fps
Sound
3.5mm jack Yes Yes
Loudspeaker Yes, with dual speakers Yes