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Samsung Galaxy S25 Ultra 1TB vs Infinix Smart 20

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  
5G Network SA/NSA/Sub6  
Dimensions 162.8 x 77.6 x 8.2 mm   167.7 x 78.8 x 7.7 mm  
Sim Type Nano-SIM + Nano-SIM + eSIM + eSIM (max 2 at a time)   Nano-SIM + Nano-SIM  
Weight 219 g   N/A  
Display Type Dynamic LTPO AMOLED 2X Capacitive Touchscreen   120Hz, HDR10+, 2600 nits (peak), Always-on display   IPS LCD Capacitive Touchscreen   120Hz, 700 nits (HBM)  
Display Size 6.9 Inches   1440 x 3120 Pixels (~498 PPI)   6.78 Inches   720 x 1600 Pixels (~259 PPI)  
Protection Corning Gorilla Armor 2  
Memory 1TB Built-in, 12GB RAM, UFS 4.0   64GB Built-in, 4GB RAM, eMMC 5.1  
Card slot No   microSDXC (dedicated slot)  
WLAN Wi-Fi 802.11 a/b/g/n/ac/6e/7, tri-band, Wi-Fi Direct   Wi-Fi 802.11 a/b/g/n/ac, dual-band  
BlueTooth v5.4 with A2DP, LE   v5.0 with A2DP, LE  
USB USB Type-C 3.2, DisplayPort 1.2, OTG   USB Type-C 2.0, OTG  
NFC Yes   Yes  
GPS Yes + A-GPS support & GLONASS, BDS, GALILEO, QZSS   Yes + A-GPS support  
Main Camera Quad Camera: 200 MP, f/1.7, 24mm (wide), 1/1.3", multi-directional PDAF, OIS + 10 MP, f/2.4, 67mm (telephoto), 1/3.52", PDAF, OIS, 3x optical zoom + 50 MP, f/3.4, 111mm (periscope telephoto), 1/2.52", PDAF, OIS, 5x optical zoom + 50 MP, f/1.9, (ultrawide), dual pixel PDAF, Super Steady video, LED Flash   Laser AF, Best Face, auto-HDR, panorama, Video (8K@24/30fps, 4K@30/60/120fps, 1080p@30/60/240fps, 10-bit HDR, HDR10+, stereo sound rec., gyro-EIS)   Single Camera: 8 MP, f/2.0, (wide), 1/4.0", AF, Dual LED Flash   panorama, Video (1440p@30fps, 1080p@30fps)  
Front Camera 12 MP, f/2.2, 26mm (wide), 1/3.2", dual pixel PDAF, HDR, HDR10+, Video (4K@30/60fps, 1080p@30fps)   8 MP, f/2.0, (wide), 1/4.0", Video (1440p@30fps, 1080p@30fps)  
OS Android 15 OS, up to 7 major Android upgrades   Android 16 OS  
Chipset Qualcomm SM8750-AB Snapdragon 8 Elite (3 nm)   Mediatek Helio G81 Ultimate (12 nm)  
Processor Octa-core (2 x 4.47 GHz Oryon V2 Phoenix L + 6 x 3.53 GHz Oryon V2 Phoenix M)   Octa-core (2 x 2.0 GHz Cortex-A75 + 6 x 1.8 GHz Cortex-A55)  
GPU Adreno 830   Mali-G52 MC2  
Sensors Accelerometer, Barometer, Compass, Fingerprint (under display, ultrasonic), Gyro, Proximity, Samsung DeX, Samsung Wireless DeX (desktop experience support) Ultra Wideband (UWB) support Circle to Search   Accelerometer, Compass, Fingerprint (side mounted), Proximity  
Browser HTML5   HTML5  
Sound 32-bit/384kHz audio, Tuned by AKG, Speaker  Phone   3.5mm Audio Jack, Speaker Phone  
Colors Titanium Silver Blue, Titanium Black, Titanium White Silver, Titanium Gray, Titanium Jade Green, Titanium Jet Black, Titanium Pink Gold   Shadow Black, Cloudline Blue, Polaris Titanium, Sunlike Orange  
Battery Li-ion 5000 mAh   - Fast charging 45W wired, PD3.0, 65% in 30 min, 25W wireless (Qi2), 4.5W reverse wireless   5200 mAh   - Battery Charging 15W wired, 5W reverse wired  
Misc SMS(threaded view), MMS, Email, Push Mail, IM   Glass front + Corning Gorilla Armor 2), glass back + Corning Gorilla Armor 2), titanium frame (grade 5), IP68 dust/water resistant (up to 1.5m for 30 min), Stylus   SMS(threaded view), MMS, Email, Push Mail, IM   Glass front, plastic back, plastic frame, IP64 dust tight and water resistant (water splashes), Drop resistant up to 1.5m