Product
Realme C51
Realme C51
Infinix Smart 9
Infinix Smart 9
Battery
Charging 33W wired, 0-50% in 28 min 10W wired Reverse wired
Type 5000 mAh 5000 mAh
Body
Build Glass front, plastic frame, plastic back Glass front, plastic back, plastic frame
Dimensions 167.2 x 76.7 x 8 mm (6.58 x 3.02 x 0.31 in) 165.7 x 77.1 x 8.4 mm (6.52 x 3.04 x 0.33 in)
SIM Nano-SIM + Nano-SIM Nano-SIM + Nano-SIM
Weight 186 g (6.56 oz) 188 g (6.63 oz)
  - IP54 dust protected and water resistant (water splashes)
Comms
Bluetooth 5.0, A2DP, LE Yes
Infrared port - Yes
NFC Yes, 360˚ (market/region dependent) No
Positioning GPS, GLONASS, GALILEO GPS
Radio Unspecified FM radio
USB USB Type-C 2.0, OTG USB Type-C 2.0, OTG
WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band Wi-Fi 802.11 a/b/g/n/ac, dual-band
Display
Resolution 720 x 1600 pixels, 20:9 ratio (~260 ppi density) 720 x 1600 pixels, 20:9 ratio (~262 ppi density)
Size 6.74 inches, 109.7 cm2 (~85.5% screen-to-body ratio) 6.7 inches, 108.4 cm2 (~84.8% screen-to-body ratio)
Type IPS LCD, 90Hz, 560 nits (peak) IPS LCD, 120Hz, 500 nits (peak)
Features
Sensors Fingerprint (side-mounted), accelerometer, proximity, compass Fingerprint (side-mounted), accelerometer, proximity, compass
Launch
Announced 2023, July 24 2024, September 23
Status Available. Released 2023, August Available. Released 2024, October
Main Camera
Features LED flash, HDR, panorama LED flash, HDR, panorama
Single 50 MP, f/1.8, 27mm (wide), 1/2.76", 0.64µm, PDAF 0.08 MP, f/3.0 ,(auxiliary lens) 13 MP, f/1.9, 27mm (wide), 1/3.07", AF Auxiliary lens
Video 1080p@30fps 1080p@30fps
Memory
Card slot microSDXC (dedicated slot) microSDXC (dedicated slot)
Internal 64GB 3GB RAM, 64GB 4GB RAM, 128GB 4GB RAM, 256GB 6GB RAM 64GB 3GB RAM, 64GB 4GB RAM, 128GB 3GB RAM, 128GB 4GB RAM
  еMMC 5.1 -
Misc
Colors Mint Green, Carbon Black Metallic Black, Neo Titanium, Mint Green, Sandstone Gold
Models RMX3830 X6532
SAR 1.18 W/kg (head)     0.78 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 - Africa, India 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 25, 26, 28, 38, 41, 40, 66
Speed HSPA, LTE HSPA, LTE
Technology GSM / HSPA / LTE GSM / HSPA / LTE
  1, 3, 5, 7, 8, 20, 28, 38, 40, 41 - Asia -
Platform
Chipset Unisoc Tiger T612 (12 nm) Mediatek Helio G81
CPU Octa-core (2x1.8 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55) Octa-core (2x2.0 GHz Cortex-A75 & 6x1.7 GHz Cortex-A55)
GPU Mali-G57 Mali-G52 MC2
OS Android 13, Realme UI T Android 14 (Go edition), XOS 14
Selfie camera
Features HDR -
Single 5 MP, f/2.2, 28mm (wide), 1/5.0", 1.12µm 8 MP, f/2.0, (wide), 1/3.96"
Video 720p@30fps Yes
Sound
3.5mm jack Yes Yes
Loudspeaker Yes Yes, with stereo speakers