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Samsung Galaxy S21 Plus vs Samsung Galaxy A57 512GB

2G Network SIM1: GSM 850 / 900 / 1800 / 1900SIM2: GSM 850 / 900 / 1800 / 1900   SIM1: GSM 850 / 900 / 1800 / 1900SIM2: GSM 850 / 900 / 1800 / 1900  
3G Network HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100   HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100  
4G Network LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 17(700), 18(800), 19(800), 20(800), 25(1900), 26(850), 28(700), 32(1500), 38(2600), 39(1900), 40(2300), 41(2500), 66(1700/2100)   LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 38(2600), 40(2300), 41(2500)  
5G Network 5G SA/NSA   SA/NSA/Sub6  
Dimensions 161.5 x 75.6 x 7.8 mm   161.5 x 76.8 x 6.9 mm  
Sim Type Dual Sim, Dual Standby, eSIM (Nano-SIM)   Nano-SIM + Nano-SIM + eSIM + eSIM (max 2 at a time)  
Weight 200 g   179 g  
Display Type Eye Comfort Shield, Always-on display, 120Hz, HDR10+, 1300 nits (peak)   Super AMOLED Plus Touchscreen   120Hz, HDR10+, 1200 nits (HBM), 1900 nits (peak)  
Display Size 1080 x 2400 Pixels (~393 PPI)   6.7 Inches   1080 x 2340 Pixels (~384 PPI)  
Protection Corning Gorilla Glass Victus   Corning Gorilla Glass Victus+, Mohs level 5  
Memory 256GB Built-in, 8GB RAM   512GB Built-in, 12GB RAM, UFS  
Card slot No   No  
GPRS Yes
WLAN Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct, hotspot   Wi-Fi 802.11 a/b/g/n/ac/6e, dual-band or tri-band, Wi-Fi Direct  
BlueTooth v5.0 with A2DP, LE   v6.0 with A2DP, LE  
USB USB Type-C 3.2, USB On-The-Go   USB Type-C 2.0, OTG  
NFC Yes   Yes  
GPS Yes + A-GPS support & Glonass, BDS, GALILEO   Yes + GPS, GLONASS, GALILEO, BDS, QZSS  
Main Camera Geo-tagging, touch focus, face/smile detection, Auto HDR, panorama, Video ([email protected], [email protected]/60fps, [email protected]/60/240fps, [email protected], HDR10+, stereo sound rec., gyro-EIS)   Triple Camera: 50 MP, f/1.8, (wide), 1/1.56", PDAF, OIS + 12 MP, f/2.2, (ultrawide), 1/3.06", 5 MP, f/2.4, (macro), LED Flash   Best Face, panorama, HDR, Video (4K@30fps, 1080p@30/60fps, HDR, gyro-EIS)  
Front Camera 10 MP, f/2.2, 26mm (wide), 1/3.24", Dual Pixel PDAF, Dual video call, Auto-HDR, Video ([email protected]/60fps, [email protected])   12 MP, f/2.2, (wide), 1/3.2", Video (4K@30fps, 1080p@30/60fps, 10-bit HDR)  
OS Android 11 OS   Android 16 OS, up to 6 major Android upgrades  
Chipset Exynos 2100 (5 nm)   Exynos 1680 (4 nm)  
Processor Octa-core (1 x 2.9 GHz Cortex-X1 + 3 x 2.80 GHz Cortex-A78 + 4 x 2.2 GHz Cortex-A55)   Octa-core (1 x 2.9 GHz Cortex-720 + 4 x 2.6 GHz Cortex-720 + 3 x 1.95 GHz Cortex-520)  
GPU Mali-G78 MP14   Xclipse 550  
Sensors Accelerometer, Barometer, Compass, Fingerprint(under display, ultrasonic), Gyro, Proximity   Accelerometer, Compass, Fingerprint (under display, optical), Gyro, Proximity, Virtual proximity sensing  
Browser HTML5   HTML5  
Sound 32-bit/384kHz audio, MP4/DivX/XviD/WMV/H.265 player, MP3/WAV/WMA/eAAC+/FLAC player, Speaker Phone   Speaker  Phone  
Colors Phantom Grey, Phantom Pink, Phantom Violet, Phantom White   Navy, Gray, Icyblue, Lilac  
Battery - Fast battery charging 25W, USB Power Delivery 3.0, Fast Qi/PMA wireless charging 15W, Reverse wireless charging 4.5W   5000 mAh   - Fast charging 45W wired  
Misc Glass front + Gorilla Glass Victus), Plastic back, Aluminum frame, Stylus support, Tuned by AKG, Glass front + Gorilla Glass), Active noise cancellation with dedicated mic, ANT+, Bixby natural language commands and dictation, Samsung DeX, Samsung Wireless DeX (desktop experience support), Samsung Pay (Visa, MasterCard certified), IP68 dust/water resistant (up to 1.5m for 30 mins), Document viewer, Photo/video editor   SMS(threaded view), MMS, Email, Push Mail, IM   NFC (market/region dependent), Glass front+ Gorilla Glass Victus+), Aluminum frame, glass back (Gorilla Glass Victus+), IP68 dust tight and water resistant (immersible up to 1.5m for 30 min)