 
            
        | HTC Desire 728 | Vivo Y21d |  Add a device to compare | ||
| Build | OS | Android OS, v5.1.1 (Lollipop) | Android 15 OS | |
| UI | Emotion UI 3.1 | Funtouch 15 | ||
| Dimensions | 157.9 x 77.8 x 7.9 mm | 166.14 x 77.01 x 8.39 mm | ||
| Weight | 153 g | 209 g | ||
| SIM | Dual-SIM, Dual Standby, Nano-SIM | Nano-SIM + Nano-SIM | ||
| Colors | White, Black | Coral Red, Jade Green | ||
| Frequency | 2G Band | SIM1: SIM2: GSM 850 / 900 / 1800 / 1900 | SIM1: GSM 850 / 900 / 1800 / 1900 SIM2: GSM 850 / 900 / 1800 / 1900 | |
| 3G Band | HSDPA 850 / 900 / 1900 / 2100 | HSDPA 850 / 900 / 2100 | ||
| 4G Band | LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 28(700), 38(2600), 39(1900), 40(2300), 41(2500) | LTE band 1(2100), 3(1800), 5(850), 8(900), 28(700), 38(2600), 40(2300), 41(2500) | ||
| Processor | CPU | 1.3 GHz Octa-Core Cortex-A53 | Octa-Core (2 × 1.8 GHz + 6 × 1.8 GHz) | |
| Chipset | Mediatek MT6753 | Unisoc T7225 (12 nm) | ||
| GPU | Mali-T720MP3 | Arm Mali G57 | ||
| Display | Technology | Super LCD2 capacitive touchscreen, 16M colors, Multitouch | IPS LCD Capacitive Touchscreen | |
| Size | 5.5 inches | 6.68 Inches | ||
| Resolution | 720 x 1280 pixels (~267 ppi pixel density) | 720 x 1608 Pixels (~264 PPI) | ||
| Extra Features | 90Hz, 1000 nits Brightness | |||
| Memory | Built-in | 16GB built-in, 2GB RAM | 128GB Built-in, 6GB RAM, eMMC 5.1 | |
| Card | microSD card (supports up to 256GB) (dedicated slot) | microSD Card, (supports up to 2TB) | ||
| SMS | ||||
| Camera | Main | 13 MP, autofocus, LED flash | Dual Camera: 50 MP, f/1.8 + 0.08 MP, f/2.2, LED Flash | |
| Features | F/2.2, 28mm, Geo-tagging, touch focus, face detection, HDR, panorama, Video (1080p@30fps) | Night, Portrait, Video, Live Photo, Slo-mo, Time-lapse, Panorama, Video | ||
| Front | 5 MP, f/2.8, 34mm, 1080p@30fps | 5 MP | ||
| Connectivity | WLAN | Wi-Fi 802.11 b/g/n, DLNA, hotspot | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot | |
| Bluetooth | v4.1 with A2DP | v5.2 with A2DP, LE | ||
| GPS | Yes + A-GPS support & Glonass | Yes + A-GPS support & Glonass, BDS, GALILEO, QZSS | ||
| Radio | FM Radio | FM Radio | ||
| USB | microUSB v2.0 | USB Type-C 2.0, OTG | ||
| Infrared | ||||
| Data | GPRS, EDGE, 3G HSPA 42.2/11.5 Mbps, 4G LTE Cat4 150/50 Mbps | 2G GSM, 3G HSPA, 4G LTE | ||
| Features | Sensors | Accelerometer, Compass, Proximity | Accelerometer, Gyro, Compass, Proximity, FingerPrint | |
| Audio | 3.5mm audio jack, Speakerphone | 3.5mm Audio Jack, Speaker Phone | ||
| Browser | HTML5 | HTML5 | ||
| Messaging | SMS (threaded view), MMS, Email, Push Email | SMS(threaded view), MMS, Email, Push Mail, IM | ||
| Games | built-in + downloadable | Built-in + Downloadable | ||
| Torch | Yes | Yes | ||
| Extra | GPS + A-GPS support & GLONASS, Dual SIM + Nano-SIM, dual stand-by), Document viewer, Photo viewer/editor, Google Search, Maps, Gmail, YouTube, Calendar, MP4/H.264/WMV player, MP3/eAAC+/WMA/WAV/Flac player, YouTube, Google Talk | Document viewer, Photo/video editor | ||
| Battery | Capacity | 2800 mAh | Li-ion 6500 mAh | |
| Standby | up to 496 hrs | |||
| Talktime | up to 26 hrs | |||
| Musicplay | up to 46 hrs 2800 mAh | |||
| - Non-removable | - Fast charging 44W | |||
| Price | in Rupees | Rs. Discontinued | Rs. 43,999 | |
| in USD | $0 | $422 |