Nokia Lumia 638 |
Vivo Y28 8GB |
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Build | OS | Microsoft Windows Phone 8.1 | Android 14 OS | |
UI | FuntouchOS 14 | |||
Dimensions | 129.5 x 66.7 x 9.2 mm | 165.7 x 76 x 8 mm | ||
Weight | 136 g | 199 g | ||
SIM | Dual-SIM, Micro-SIM | Dual Sim, Hybrid Dual SIM (Nano-SIM) | ||
Colors | Black | Agate Green, Gleaming Orange | ||
Frequency | 2G Band | 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 1800 / 1900 / 2100 / 2300 / 2500 / 2600 | LTE band 1(2100), 3(1800), 5(850), 8(900), 28(700), 38(2600), 40(2300), 41(2500) | ||
Processor | CPU | 1.2 GHz Quad-core Cortex-A7 | 2.0 Ghz Octa Core | |
Chipset | Qualcomm Snapdragon 400 | MediaTek Helio G85 SoC | ||
GPU | Adreno 305 | Mali G57 MP2 | ||
Display | Technology | IPS LCD capacitive touchscreen, 16M colors, Multitouch | IPS LCD Capacitive Touchscreen, 16M Colors, Multitouch | |
Size | 4.5 inches | 6.68 Inches | ||
Resolution | 480 x 854 pixels (~218 ppi pixel density) | 720 x 1608 Pixels (~264 PPI) | ||
Protection | Corning Gorilla Glass 3 | |||
Extra Features | ClearBlack display | 90Hz, 760 nits (typ), 1000 nits (HBM) | ||
Memory | Built-in | 8GB built-in, 1GB RAM | 128GB Built-in, 8GB RAM (+8GB Extended RAM), UFS 2.2 | |
Card | microSD card (supports up to 128GB) | microSDXC (uses shared SIM slot) | ||
SMS | ||||
Camera | Main | 5 MP, 2592 X 1936 pixels, autofocus | Dual Camera: 50 MP, f/1.8, (wide), PDAF + 2 MP, f/2.4, (depth), LED Flash | |
Features | 1/4'' sensor size, geo-tagging, panorama, Video | Geo-tagging, Phase detection, Panorama, HDR, Video (1080p@30fps) | ||
Front | No | 8 MP, f/2.1, (wide), Video (1080p@30fps) | ||
Connectivity | WLAN | Wi-Fi 802.11 b/g/n, DLNA, hotspot | Wi-Fi 802.11 a/b/g/n, dual-band | |
Bluetooth | v4.0 with A2DP, LE, apt-X | v5.0 with A2DP, LE | ||
GPS | Yes + A-GPS support & Glonass | Yes + AGPS, GLONASS, BDS, GALILEO | ||
Radio | FM radio | FM Radio | ||
USB | microUSB v2.0 | USB Type-C 2.0, OTG | ||
Infrared | ||||
Data | GPRS, EDGE, 3G (HSPA 42.2/5.76 Mbps), 4G (LTE Cat4 150/50 Mbps) | GPRS, Edge, 3G (HSPA 42.2/5.76 Mbps), 4G LTE | ||
Features | Sensors | Accelerometer | Accelerometer, Compass, Proximity, FingerPrint | |
Audio | 3.5mm audio jack, Speakerphone | 3.5mm Audio Jack, 24-bit/192kHz Hi-Res audio, Speaker Phone | ||
Browser | HTML5 | HTML5 | ||
Messaging | SMS (threaded view), MMS, Email, Push Email, IM | SMS(threaded view), MMS, Email, Push Mail, IM | ||
Games | built-in | Built-in + Downloadable | ||
Torch | No | Yes | ||
Extra | Active noise cancellation with dedicated mic, Document viewer/editor, Predictive text input, Speakerphone | Notification LED round light on the back, Glass front, plastic frame, plastic back, IP64 dust/water resistant, Document viewer, Photo/video editor | ||
Battery | Capacity | 1830 mAh | (Non removable), 6000 mAh | |
Talktime | ||||
- | - Fast battery 44W wired | |||
Price | in Rupees | Rs. Discontinued | Rs. 49,999 | |
in USD | $-0 | $480 |