Product
Infinix Note 40X 5G
Infinix Note 40X 5G
Samsung Galaxy M15
Samsung Galaxy M15
Battery
Charging 18W wired, 50% in 31 min Reverse wired 25W wired
Type 5000 mAh 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) 160.1 x 76.8 x 9.3 mm (6.30 x 3.02 x 0.37 in)
SIM Nano-SIM + Nano-SIM Nano-SIM + Nano-SIM
Weight 201 g (7.09 oz) 217 g (7.65 oz)
  Dust and splash resistant -
Comms
Bluetooth 5.3, A2DP, LE 5.3, A2DP, LE
NFC Yes Yes (market/region dependent)
Positioning GPS GPS, GALILEO, GLONASS, BDS, QZSS
Radio FM radio No
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 (~396 ppi density)
Size 6.78 inches, 109.2 cm2 (~84.5% screen-to-body ratio) 6.5 inches, 103.7 cm2 (~84.3% screen-to-body ratio)
Type IPS LCD, 120Hz, 500 Super AMOLED, 90Hz, 800 nits (HBM)
Features
Sensors Fingerprint (side-mounted), accelerometer, proximity, compass Fingerprint (side-mounted), accelerometer, gyro, compass
  - Virtual proximity sensing
Launch
Announced 2024, August 05 2024, March 09
Status Available. Released 2024, August 09 Available. Released 2024, April 05
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 50 MP, f/1.8, (wide), AF 5 MP, f/2.2, (ultrawide) 2 MP, f/2.4, (macro)
Video 1440p@30fps, 1080p@30/60fps 1080p@30fps, gyro-EIS
Memory
Card slot microSDXC (dedicated slot) microSDXC (uses shared SIM slot)
Internal 256GB 8GB RAM, 256GB 12GB RAM 128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM
  UFS 2.2 -
Misc
Colors Palm Blue, Lime Green, Starlit Black Light Blue, Dark Blue, Gray
Models X6838 SM-M156B, SM-M156B/DS, SM-M156B/DSN
SAR - 0.71 W/kg (head)    
SAR EU - 0.78 W/kg (head)     1.19 W/kg (body)    
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 / 1700(AWS) / 1900 / 2100
4G bands 1, 3, 5, 8, 28, 38, 40, 41 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 26, 28, 38, 40, 41, 66
5G bands 1, 3, 5, 8, 28, 38, 40, 41, 77, 78 SA/NSA 1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78 SA/NSA/Sub6
Speed HSPA, LTE, 5G HSPA, LTE, 5G
Technology GSM / HSPA / LTE / 5G GSM / HSPA / LTE / 5G
Platform
Chipset Mediatek Dimensity 6300 (6 nm) Mediatek Dimensity 6100+ (6 nm)
CPU Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55) Octa-core (2x2.2 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU Mali-G57 MC2 Mali-G57 MC2
OS Android 14, XOS 14 Android 14, up to 4 major Android upgrades, One UI 6
Selfie camera
Features Dual-LED flash -
Single 8 MP, (wide) 13 MP, f/2.0, (wide)
Video 1080p@30fps 1080p@30fps
Sound
3.5mm jack Yes Yes
Loudspeaker Yes, with dual speakers Yes