Tecno Phantom X2 Pro | 
                                    
                                    
                                    
                                        
                                        Vivo Y21d | 
                                    
                                    
                                    
                                        
                                         
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| Build | OS | Android 12 OS | Android 15 OS | |
| UI | Hios 12.0 | Funtouch 15 | ||
| Dimensions | 164.6 x 72.7 x 9 mm | 166.14 x 77.01 x 8.39 mm | ||
| Weight | 201 g | 209 g | ||
| SIM | Dual Sim, Dual Standby (Micro-SIM) | Nano-SIM + Nano-SIM | ||
| Colors | Stardust Gray, Mars Orange | Coral Red, Jade 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 / 1900 / 2100 | HSDPA 850 / 900 / 2100 | ||
| 4G Band | LTE | LTE band 1(2100), 3(1800), 5(850), 8(900), 28(700), 38(2600), 40(2300), 41(2500) | ||
| 5G Band | SA/NSA | |||
| Processor | CPU | Octa-core (1 x 3.05 GHz Cortex-X2 + 3 x 2.85 GHz Cortex-A710 + 4 x 1.80 GHz Cortex-A510) | Octa-Core (2 × 1.8 GHz + 6 × 1.8 GHz) | |
| Chipset | MediaTek Dimensity 9000 (4 nm) | Unisoc T7225 (12 nm) | ||
| GPU | Mali-G710 MC10 | Arm Mali G57 | ||
| Display | Technology | AMOLED Capacitive Touchscreen, Multitouch | IPS LCD Capacitive Touchscreen | |
| Size | 6.8 Inches | 6.68 Inches | ||
| Resolution | 1080 x 2400 Pixels (~387 PPI) | 720 x 1608 Pixels (~264 PPI) | ||
| Protection | Corning Gorilla Glass Victus | |||
| Extra Features | 120Hz, 500 nits | 90Hz, 1000 nits Brightness | ||
| Memory | Built-in | 64/128/256GB Built-in, 4/12GB RAM | 128GB Built-in, 6GB RAM, eMMC 5.1 | |
| Card | microSD Card, (supports up to 1TB) (dedicated slot) | microSD Card, (supports up to 2TB) | ||
| SMS | ||||
| Camera | Main | Triple Camera: 50 MP, f/1.9, (wide), 1/1.3", PDAF + 50 MP, f/1.5, 65mm (telephoto), 1/2.7", PDAF, 2.5x optical zoom, retractable lens + 13 MP, f/2.2, (ultrawide), 1/1.3", AF, LED Flash | Dual Camera: 50 MP, f/1.8 + 0.08 MP, f/2.2, LED Flash | |
| Features | Geo-tagging, touch focus, face detection, Video (4K@30/60fps, 1080p@30fps) | Night, Portrait, Video, Live Photo, Slo-mo, Time-lapse, Panorama, Video | ||
| Front | 32 MP, f/2.5, (wide), 1/2.8", LED flash, Video (1080p@30fps) | 5 MP | ||
| Connectivity | 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, hotspot | |
| Bluetooth | v5.3 with A2DP, LE | v5.2 with A2DP, LE | ||
| GPS | Yes + A-GPS support & Glonass, BDS | Yes + A-GPS support & Glonass, BDS, GALILEO, QZSS | ||
| Radio | FM radio, recording | FM Radio | ||
| USB | USB Type-C 2.0, USB On-The-Go | USB Type-C 2.0, OTG | ||
| Infrared | ||||
| Data | GPRS, Edge, 3G (HSPA 42.2/5.76 Mbps), 4G LTE, 5G capable | 2G GSM, 3G HSPA, 4G LTE | ||
| Features | Sensors | Accelerometer, Gyro, Proximity, FingerPrint | Accelerometer, Gyro, Compass, Proximity, FingerPrint | |
| Audio | 3.5mm Audio Jack, MP4/H.264 player, MP3/WAV/FLAC/eAAC+ player, 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 | Glass front + Gorilla Glass Victus), Aluminum frame, plastic back, Photo/video editor, Document viewer | Document viewer, Photo/video editor | ||
| Battery | Capacity | (Li-Po Non removable), 5160 mAh | Li-ion 6500 mAh | |
| Talktime | ||||
| - Fast charging 45W wired, 54% in 20 min, 100% in 60 min (advertised) | - Fast charging 44W | |||
| Price | in Rupees | Rs. Coming Soon (Expected Rs. 98,999) | Rs. 43,999 | |
| in USD | $NA | $422 |