Samsung Galaxy A20 vs samsung galaxy a51 in Pakistan

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Date Apr 2019 Apr 2020
Price Price In Rs Rs 28500 Rs 49999
Build OS Android 9.0 (Pie)   Android 10 OS  
UI One UI   OneUI 2.0  
Dimensions 158.4 x 74.7 x 7.8mm   158.4 x 73.7 x 7.9 mm  
Weight N/A   172 g  
SIM Dual Sim, Dual Standby (Nano-SIM)   Dual Sim, Dual Standby (Nano-SIM)  
Colors Blue, Black, Red   Prism, Crush Black, White, Blue, Pink  
Frequency 2G Band SIM1: GSM 850 / 900 / 1800 / 1900SIM2: GSM 850 / 900 / 1800 / 1900   SIM1: GSM 850 / 900 / 1800 / 1900SIM2: GSM 850 / 900 / 1800 / 1900  
3G Band HSDPA 850 / 900 / 1900 / 2100   HSDPA 850 / 900 / 1900 / 2100  
4G Band LTE   LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 38(2600), 40(2300), 41(2500)  
5G Band
Processor CPU 1.6Ghz (Dual 1.6 GHz + Hexa 1.35 GHz)   Octa-core (4 x 2.3 GHz Cortex-A73 + 4 x 1.7 GHz Cortex-A53)  
Chipset Exynos 7884   Exynos 9611 (10nm)  
GPU Mali-G72 MP3  
Display Technology Super AMOLED Capacitive Touchscreen, 16M Colors, Multitouch   Super AMOLED capacitive touchscreen, 16M colors, Multitouch  
Size 6.4 Inches   6.5 Inches  
Resolution 720 x 1560 1080 x 2400
Protection Corning Gorilla Glass 3  
Extra Features
Memory Built-in 32GB Built-in, 3GB RAM   128GB Built-in, 6GB RAM  
Card microSD card (supports up to 512GB) (dedicated slot)   microSD card (supports up to 1TB) (dedicated slot)  
Camera Main 13 MP + 5MP, autofocus, LED flash   Quad Camera: 48 MP, f/2.0, (wide), 1/2", PDAF + 12 MP, f/2.2, 13mm (ultrawide) + 5 MP, f/2.4, (macro) + 5 MP, f/2.2, depth sensor, LED Flash  
Features Geo-tagging, touch focus, face detection, panorama, HDR, Video (2160p@30fps, 1080p@30fps) Geo-tagging, touch focus, face detection, panorama, HDR, Video ([email protected])  
Front 8 MP   32 MP, f/2.2, 25mm (wide), 1/2.8  
Connectivity WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, hotspot   Wi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, hotspot  
Bluetooth v5.0 with A2DP, LE   v5.0 with A2DP, LE  
GPS Yes + A-GPS support & Glonass, BDS, GALILEO   Yes + A-GPS support & Glonass, BDS, GALILEO  
Radio FM Radio   FM Radio  
USB 2.0, Type-C 1.0 reversible connector   2.0, Type-C 1.0 reversible connector  
NFC Yes   Yes  
Data GPRS, EDGE, 3G (HSPA 42.2/5.76 Mbps), 4G (LTE-A (3CA) Cat9 450/50 Mbps)   GPRS, EDGE, 3G HSPA, 4G LTE-A  
Features Sensors Accelerometer, gyro, proximity, compass, Fingerprint   Accelerometer, gyro, proximity, compass, Fingerprint (under display, optical)  
Audio 3.5mm Audio Jack, MP3/WAV/WMA/eAAC+/FLAC player, MP4/WMV/H.265 player, Speaker Phone   3.5mm Audio Jack, MP3/WAV/WMA/eAAC+/FLAC player, MP4/WMV/H.265 player, 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 Active noise cancellation with dedicated mic, ANT+ support, Photo/video editor, Document viewer   Active noise cancellation with dedicated mic, ANT+ support, Photo/video editor, Document viewer  
Battery Capacity Li-ion Non removable 4000 mAh   (Li-Po Non removable), 4000 mAh