samsung galaxy a51 vs Samsung Galaxy A21 in Pakistan

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Date Apr 2020 Jun 2020
Price Price In Rs Rs 49999 Rs 34999
Build OS Android 10 OS   Android 10 OS  
UI OneUI 2.0   OneUI 2.0  
Dimensions 158.4 x 73.7 x 7.9 mm   N/A  
Weight 172 g   N/A  
SIM Dual Sim, Dual Standby (Nano-SIM)   Dual Sim, Dual Standby (Nano-SIM)  
Colors Prism, Crush Black, White, Blue, Pink   Various  
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 band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 38(2600), 40(2300), 41(2500)   LTE  
5G Band
Processor CPU Octa-core (4 x 2.3 GHz Cortex-A73 + 4 x 1.7 GHz Cortex-A53)   Octa-core (4 x 2.35 GHz Cortex-A53 + 4 x 1.8 GHz Cortex-A53)  
Chipset Exynos 9611 (10nm)   Mediatek MT6765 Helio P35 (12nm)  
GPU Mali-G72 MP3   PowerVR GE8320  
Display Technology Super AMOLED capacitive touchscreen, 16M colors, Multitouch   Super AMOLED Capacitive Touchscreen, 16M Colors, Multitouch  
Size 6.5 Inches   6.4 Inches  
Resolution 1080 x 2400 720 x 1600
Protection Corning Gorilla Glass 3  
Extra Features
Memory Built-in 128GB Built-in, 6GB RAM   32GB Built-in, 3GB RAM  
Card microSD card (supports up to 1TB) (dedicated slot)   microSD card (supports up to 512GB) (dedicated slot)  
Camera Main 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   Quad Camera: 16 MP, (wide), AF + 8 MP, (ultrawide) + 2 MP, (macro) + 2 MP, (depth), LED Flash  
Features Geo-tagging, touch focus, face detection, panorama, HDR, Video ([email protected])   Geo-tagging, touch focus, face detection, panorama, HDR, Video (2160p@30fps, 1080p@30fps)
Front 32 MP, f/2.2, 25mm (wide), 1/2.8   13 MP, (wide), Video (1080p@30fps)
Connectivity WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, hotspot   Wi-Fi 802.11 b/g/n, Wi-Fi 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  
Radio FM Radio   FM Radio  
USB 2.0, Type-C 1.0 reversible connector   2.0, Type-C 1.0 reversible connector, USB On-The-Go  
NFC Yes   Yes  
Data GPRS, EDGE, 3G HSPA, 4G LTE-A   GPRS, Edge, 3G (HSPA 42.2/5.76 Mbps), 4G (LTE Cat4 150/50 Mbps)  
Features Sensors Accelerometer, gyro, proximity, compass, Fingerprint (under display, optical)   Accelerometer, Compass, Fingerprint (rear mounted), Proximity  
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   Glass front, plastic back, plastic frame, Active noise cancellation with dedicated mic, ANT+ support, Photo/video editor, Document viewer  
Battery Capacity (Li-Po Non removable), 4000 mAh   (Li-Po Non removable), 4000 mAh