Realme C51 | 
                                    
                                    
                                    
                                        
                                        Xiaomi Redmi 13C 6GB | 
                                    
                                    
                                    
                                        
                                         
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| Build | OS | Android 13 OS | Android 13 OS | |
| UI | Realme UI T | MIUI 14 | ||
| Dimensions | 167.2 x 76.7 x 8 mm | 168 x 78 x 8.1 mm | ||
| Weight | 186 g | 192 g | ||
| SIM | Dual Sim, Dual Standby (Nano-SIM) | Dual Sim, Dual Standby (Nano-SIM) | ||
| Colors | Mint Green, Carbon Black | Midnight Black, Navy Blue, Glacier White, Clover Green | ||
| Frequency | 2G Band | SIM1: GSM 850 / 900 / 1800 / 1900 SIM2: GSM 850 / 900 / 1800 / 1900  | 
                                                SIM1: GSM 850 / 900 / 1800 / 1900 SIM2: GSM 850 / 900 / 1800 / 1900  | 
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| 3G Band | HSDPA 850 / 900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 | ||
| 4G Band | LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500) | LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 38(2600), 39(1900), 40(2300), 41(2500) | ||
| Processor | CPU | Octa-core (2 x 1.8 GHz Cortex-A75 + 6 x 1.8 GHz Cortex-A55) | Octa-core (2 x 2.0 GHz Cortex-A75 + 6 x 1.8 GHz Cortex-A55) | |
| Chipset | Unisoc Tiger T612 (12 nm) | Mediatek MT6769Z Helio G85 (12nm) | ||
| GPU | Mali-G57 | Mali-G52 MC2 | ||
| Display | Technology | IPS LCD Capacitive Touchscreen, 16M Colors, Multitouch | IPS LCD Capacitive Touchscreen, 16M Colors, Multitouch | |
| Size | 6.74 Inches | 6.74 Inches | ||
| Resolution | 720 x 1600 Pixels (~260 PPI) | 720 x 1600 Pixels (~260 PPI) | ||
| Protection | Panda Glass | Corning Gorilla Glass | ||
| Extra Features | 90Hz, 560 nits (peak) | 90Hz, 450 nits (typ), 600 nits (HBM) | ||
| Memory | Built-in | 64GB Built-in, 4GB RAM | 128GB Built-in, 6GB RAM | |
| Card | microSDXC (dedicated slot) | microSDXC (dedicated slot) | ||
| SMS | ||||
| Camera | Main | Dual Camera: 50 MP, f/1.8, 27mm (wide), 1/2.76", PDAF + 0.08 MP, f/3.0, (depth), LED Flash | Triple camera: 50 MP, f/1.8, 28mm (wide), PDAF + 2 MP, f/2.4, (macro) + 0.08 MP (auxiliary lens), LED Flash | |
| Features | HDR, panorama, Video (1080p@30fps) | Phase detection, geo-tagging, touch focus, face detection, HDR, panorama, Video (1080p@30fps) | ||
| Front | 5 MP, f/2.2, 28mm (wide), 1/5", HDR, Video (720p@30fps) | 8 MP, f/2.0, HDR, Video (1080p@30fps) | ||
| Connectivity | WLAN | Wi-Fi 802.11 a/b/g/n/ac, dual-band | Wi-Fi 802.11 a/b/g/n/ac, dual-band | |
| Bluetooth | v5.0 with A2DP, LE | v5.3 with A2DP, LE | ||
| GPS | Yes + A-GPS support, & GLONASS, BDS, GALILEO | Yes + A-GPS support & Glonass, BDS | ||
| Radio | FM Radio | FM Radio | ||
| USB | USB Type-C 2.0 | USB Type-C 2.0 | ||
| NFC | Yes | No | ||
| Data | GPRS, Edge, 3G (HSPA 42.2/11.5 Mbps), 4G LTE-A | GPRS, EDGE, 3G (HSPA 42.2/5.76 Mbps), 4G LTE | ||
| Features | Sensors | Accelerometer, Compass, Proximity, FingerPrint | Accelerometer, Compass, FingerPrint | |
| Audio | 3.5mm Audio Jack, Speaker Phone | 3.5mm Audio Jack, Speaker Phone | ||
| Browser | HTML5 | HTML5 | ||
| Messaging | SMS(threaded view), MMS, Email, Push Mail, IM | SMS(threaded view), MMS, Email, Push Mail, IM | ||
| Games | Built-in + Downloadable | built-in + downloadable | ||
| Torch | Yes | Yes | ||
| Extra | NFC 360˚ (market/region dependent), Glass front, plastic frame, plastic back, Photo/video editor, Document viewer | NFC (market dependent), Photo/video editor, Document viewer | ||
| Battery | Capacity | (Li-Po Non removable), 5000 mAh | (Li-Po Non removable), 5000 mAh | |
| Talktime | ||||
| - Fast charging 33W wired, 0-50% in 28 min (advertised) | - Fast battery 18W wired, PD | |||
| Price | in Rupees | Rs. 28,999 | Rs. 31,999 | |
| in USD | $278 | $307 |