Product
Realme U1
Realme U1
₹13,505
Samsung Galaxy M16
Samsung Galaxy M16
₹17,499
Battery
Charging 10W wired 25W wired
Type Li-Ion 3500 mAh, non-removable 5000 mAh
Body
Build Glass front (Gorilla Glass 3), plastic back, plastic frame Glass front, plastic back, plastic frame
Dimensions 157 x 74 x 8 mm (6.18 x 2.91 x 0.31 in) 164.4 x 77.9 x 7.9 mm (6.47 x 3.07 x 0.31 in)
SIM Nano-SIM + Nano-SIM Nano-SIM + Nano-SIM
Weight 168 g (5.93 oz) 191 g (6.74 oz)
  - IP54 dust protected and water resistant (water splashes)
Comms
Bluetooth 4.2, A2DP, LE 5.3, A2DP, LE
NFC No Yes
Positioning GPS, GLONASS GPS, GALILEO, GLONASS, BDS, QZSS
Radio FM radio No
USB microUSB 2.0, OTG USB Type-C 2.0
WLAN Wi-Fi 802.11 b/g/n, Wi-Fi Direct Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Display
Protection Corning Gorilla Glass 3 -
Resolution 1080 x 2340 pixels, 19.5:9 ratio (~409 ppi density) 1080 x 2340 pixels, 19.5:9 ratio (~385 ppi density)
Size 6.3 inches, 97.4 cm2 (~83.9% screen-to-body ratio) 6.7 inches, 110.2 cm2 (~86.0% screen-to-body ratio)
Type IPS LCD Super AMOLED, 90Hz, 800 nits (HBM)
Features
Sensors Fingerprint (rear-mounted), accelerometer, proximity, compass Fingerprint (side-mounted), accelerometer, gyro, proximity, compass
Launch
Announced 2018, November. Released 2018, December 2025, February 27
Status Discontinued Available. Released 2025, March 05
Main Camera
Dual 13 MP, f/2.2, AF 2 MP, f/2.4, (depth) -
Features LED flash, HDR, panorama LED flash, panorama, HDR
Triple - 50 MP, f/1.8, (wide), 1/2.76", 0.64µm, AF 5 MP, f/2.2, (ultrawide), 1/5.0", 1.12µm 2 MP, f/2.4, (macro)
Video 1080p@30fps, 720p@90fps 1080p@30fps, gyro-EIS
Memory
Card slot microSDXC (dedicated slot) microSDXC (uses shared SIM slot)
Internal 32GB 3GB RAM, 64GB 3GB RAM, 64GB 4GB RAM 128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM
  eMMC 5.1 -
Misc
Colors Ambitious Black, Brave Blue, Fiery Gold Thunder Black, MInt Green, Blush Pink
Models RMX1831, RMX1833 SM-M166P, SM-M166P/DS
SAR - 1.08 W/kg (head)    
SAR EU - 0.99 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, 8, 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, 28, 40, 41, 66, 77, 78 SA/NSA/Sub6
Speed HSPA 42.2/5.76 Mbps, LTE Cat6 300/50 Mbps HSPA, LTE, 5G
Technology GSM / HSPA / LTE GSM / HSPA / LTE / 5G
Our Tests
Audio quality Noise -92.8dB / Crosstalk -93.3dB -
Battery (old) Endurance rating 93h -
Camera Photo / Video -
Display Contrast ratio: 1830:1 (nominal), 2.815 (sunlight) -
Loudspeaker Voice 68dB / Noise 73dB / Ring 72dB -
Performance AnTuTu: 144436 (v7) GeekBench: 6004 (v4.4) GFXBench: 7.1fps (ES 3.1 onscreen) -
Platform
Chipset Mediatek MT6771 Helio P70 (12 nm) Mediatek Dimensity 6300 (6 nm)
CPU Octa-core (4x2.1 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53) Octa-core (2x2.4 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU Mali-G72 MP3 Mali-G57 MC2
OS Android 8.1 (Oreo), upgradable to Android 9.0 (Pie), ColorOS 6 Android 15, up to 6 major Android upgrades, One UI 7
Selfie camera
Features HDR -
Single 25 MP, f/2.0, 1/2.8", 0.9µm 13 MP, f/2.0, (wide), 1/3.1", 1.12µm
Video 1080p@30fps 1080p@30fps
Sound
3.5mm jack Yes No
Loudspeaker Yes Yes
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