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Xiaomi Mi 4i vs Samsung Galaxy S25 Ultra 1TB

2G Network SIM1: GSM 850 / 900 / 1800 / 1900 SIM2: GSM 850 / 900 / 1800 / 1900 SIM1: GSM 850 / 900 / 1800 / 1900SIM2: GSM 850 / 900 / 1800 / 1900  
3G Network HSDPA 850 / 1900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100  
4G Network LTE band 3(1800), 7(2600), 38(2600), 39(1900), 40(2300), 41(2500) 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)  
5G Network SA/NSA/Sub6  
Dimensions 138.1 x 69.6 x 7.8 mm 162.8 x 77.6 x 8.2 mm  
Sim Type Nano-SIM + Nano-SIM + eSIM + eSIM (max 2 at a time)  
Weight 130 g 219 g  
Display Type IPS LCD capacitive touchscreen, 16M colors, MUltitouch, MIUI 7.0 Dynamic LTPO AMOLED 2X Capacitive Touchscreen   120Hz, HDR10+, 2600 nits (peak), Always-on display  
Display Size 5.0 inches, 1080 x 1920 pixels (~441 ppi pixel density) 6.9 Inches   1440 x 3120 Pixels (~498 PPI)  
Protection ACorning scratch-resistant glass Corning Gorilla Armor 2  
Memory 16GB built-in 1TB Built-in, 12GB RAM, UFS 4.0  
Card slot No  
RAM 2GB RAM
GPRS Yes
WLAN WLAN (Wi-Fi 802.11 a/b/g/n/ac Wi-Fi 802.11 a/b/g/n/ac/6e/7, tri-band, Wi-Fi Direct  
BlueTooth Bluetooth v4.1 with A2DP v5.4 with A2DP, LE  
USB USB (microUSB v2.0, USB Host) USB Type-C 3.2, DisplayPort 1.2, OTG  
NFC Yes  
GPS Yes Yes + A-GPS support & GLONASS, BDS, GALILEO, QZSS  
Main Camera 13 MP, f/2.0, autofocus, dual-LED (dual tone) flash, Geo-tagging, touch focus, face/smile detection, panorama, HDR, Video (1080p@30fps, 480p@120fps), 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)  
Front Camera 5 MP, f/1.8 12 MP, f/2.2, 26mm (wide), 1/3.2", dual pixel PDAF, HDR, HDR10+, Video (4K@30/60fps, 1080p@30fps)  
OS Android OS, v5.0.2 (Lollipop) Android 15 OS, up to 7 major Android upgrades  
Chipset Qualcomm MSM89 Qualcomm SM8750-AB Snapdragon 8 Elite (3 nm)  
Processor 1.7 GHz Octa-Core Cortex-A53 Octa-core (2 x 4.47 GHz Oryon V2 Phoenix L + 6 x 3.53 GHz Oryon V2 Phoenix M)  
GPU GPU: Adreno 405 Adreno 830  
Sensors Accelerometer, gyro, proximity, compass Accelerometer, Barometer, Compass, Fingerprint (under display, ultrasonic), Gyro, Proximity, Samsung DeX, Samsung Wireless DeX (desktop experience support) Ultra Wideband (UWB) support Circle to Search  
Browser HTML5 HTML5  
Sound FM radio, 3.5mm audio jack, XviD/DivX/MP4/H.265 player, MP3/WAV/eAAC+/FLAC player, YouTube, Google Talk, Games (built-in + downloadable) 32-bit/384kHz audio, Tuned by AKG, Speaker  Phone  
Colors Dark Gray, Black, White, Yellow, Blue, Pink Titanium Silver Blue, Titanium Black, Titanium White Silver, Titanium Gray, Titanium Jade Green, Titanium Jet Black, Titanium Pink Gold  
Battery 3120 mAh Li-ion 5000 mAh   - Fast charging 45W wired, PD3.0, 65% in 30 min, 25W wireless (Qi2), 4.5W reverse wireless  
Misc GPS + A-GPS support & GLONASS, BDS, Dual SIM + Micro-SIM, dual stand-by), Fast battery charging: 40% in 60 min (Quick Charge 2.0), Active noise cancellation with dedicated mic, Photo/video editor, Document viewer, Google Search, Maps, Gmail, Document viewer, Speakerphone 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