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                        Realme C51 | 
                    
                        Xiaomi Redmi 13C 6GB | 
                
| 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 | 
| Network | |
|---|---|
| 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  | 
                    
| 3G | |
| Yes | Yes | 
| 4G | |
| Yes | Yes | 
| 5G | |
| No | No | 
| 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 | 
| External Card | |
| microSDXC (dedicated slot) | microSDXC (dedicated slot) | 
| 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 | 
| Sensors | |
|---|---|
| Accelerometer | |
| Yes | Yes | 
| Compass | |
| Yes | Yes | 
| Proximity | |
| Yes | No | 
| FingerPrint | |
| Yes | Yes | 
| Features | |
|---|---|
| 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 | 
| Battery | |
|---|---|
| Capacity | |
| (Li-Po Non removable), 5000 mAh | (Li-Po Non removable), 5000 mAh | 
| Features | |
| Fast charging 33W wired, 0-50% in 28 min (advertised) | Fast battery 18W wired, PD | 
| Price | |
|---|---|
| Price in Rs. | |
| Rs. 28,999 PKR | Rs. 31,999 PKR | 
| Price in USD | |
| $100.69 USD | $111.11 USD |