Product
Xiaomi Redmi Note 12S
Xiaomi Redmi Note 12S
Samsung Galaxy M15
Samsung Galaxy M15
Battery
Charging 33W wired 25W wired
Type Li-Po 5000 mAh 6000 mAh
Body
Build - Glass front, plastic back, plastic frame
Dimensions 159.9 x 73.9 x 8.1 mm (6.30 x 2.91 x 0.32 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 176 g (6.21 oz) 217 g (7.65 oz)
Comms
Bluetooth 5.2, A2DP, LE 5.3, A2DP, LE
Infrared port Yes -
NFC Yes (market/region dependent) Yes (market/region dependent)
Positioning GPS (L1), GLONASS (G1), GALILEO (E1), BDS (B1) GPS, GALILEO, GLONASS, BDS, QZSS
Radio Stereo FM radio, recording No
USB USB Type-C 2.0 USB Type-C 2.0
WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Display
Resolution 1080 x 2400 pixels, 20:9 ratio (~409 ppi density) 1080 x 2340 pixels, 19.5:9 ratio (~396 ppi density)
Size 6.43 inches, 99.8 cm2 (~84.5% screen-to-body ratio) 6.5 inches, 103.7 cm2 (~84.3% screen-to-body ratio)
Type AMOLED, 90Hz, 700 nits (HBM), 1000 nits (peak) Super AMOLED, 90Hz, 800 nits (HBM)
Features
Sensors Fingerprint (side-mounted), accelerometer, gyro, proximity, compass Fingerprint (side-mounted), accelerometer, gyro, compass
  - Virtual proximity sensing
Launch
Announced 2023, March 06 2024, March 09
Status Available. Released 2023, April 26 Available. Released 2024, April 05
Main Camera
Features LED flash, HDR, panorama LED flash, panorama, HDR
Triple 108 MP, f/1.9, (wide), 1/1.52", 0.7µm, PDAF 8 MP, f/2.2, 118˚ (ultrawide), 1/4.0", 1.12µm 2 MP, f/2.4, (macro) 50 MP, f/1.8, (wide), AF 5 MP, f/2.2, (ultrawide) 2 MP, f/2.4, (macro)
Video 1080p@30fps 1080p@30fps, gyro-EIS
Memory
Card slot microSDXC (dedicated slot) microSDXC (uses shared SIM slot)
Internal 64GB 6GB RAM, 128GB 6GB RAM, 256GB 8GB RAM 128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM
Misc
Colors Onyx Black, Ice Blue, Pearl Green Light Blue, Dark Blue, Gray
Models 2303CRA44A, 23030RAC7Y, 2303ERA42L 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 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands 1, 3, 5, 7, 8, 20, 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, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78 SA/NSA/Sub6
Speed HSPA, LTE HSPA, LTE, 5G
Technology GSM / HSPA / LTE GSM / HSPA / LTE / 5G
Platform
Chipset Mediatek MT6781 Helio G96 (12 nm) Mediatek Dimensity 6100+ (6 nm)
CPU Octa-core (2x2.05 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 13, MIUI 14 Android 14, up to 4 major Android upgrades, One UI 6
Selfie camera
Single 16 MP, f/2.4, (wide) 13 MP, f/2.0, (wide)
Video 1080p@30fps 1080p@30fps
Sound
3.5mm jack Yes Yes
Loudspeaker Yes, with stereo speakers Yes