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Realme 9i vs Samsung Galaxy S25 Ultra 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 / 2100   HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100  
4G Network LTE band 1(2100), 3(1800), 5(850), 8(900), 38(2600), 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 164.4 x 75.7 x 8.4 mm   162.8 x 77.6 x 8.2 mm  
Sim Type Dual Sim, Dual Standby (Nano-SIM)   Nano-SIM + Nano-SIM + eSIM + eSIM (max 2 at a time)  
Weight 190 g   219 g  
Display Type 90Hz, 480 nits (typ)   Dynamic LTPO AMOLED 2X Capacitive Touchscreen   120Hz, HDR10+, 2600 nits (peak), Always-on display  
Display Size 1080 x 2412 Pixels (~400 PPI)   6.9 Inches   1440 x 3120 Pixels (~498 PPI)  
Protection Dragontrail Pro Glass   Corning Gorilla Armor 2  
Memory 128GB Built-in, 6GB RAM, UFS 2.1   512GB Built-in, 12GB RAM, UFS 4.0  
Card slot microSDXC (dedicated slot)   No  
GPRS Yes
WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band, hotspot   Wi-Fi 802.11 a/b/g/n/ac/6e/7, tri-band, Wi-Fi Direct  
BlueTooth v5.1 with A2DP, LE   v5.4 with A2DP, LE  
USB USB Type-C 2.0, USB On-The-Go   USB Type-C 3.2, DisplayPort 1.2, OTG  
NFC No   Yes  
GPS Yes + A-GPS support, & GLONASS, BDS   Yes + A-GPS support & GLONASS, BDS, GALILEO, QZSS  
Main Camera Geo-tagging, Phase detection, HDR, Panorama, Video ([email protected])   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 16 MP, f/2.1, (wide), 1/3.0, Panorama, Video ([email protected])   12 MP, f/2.2, 26mm (wide), 1/3.2", dual pixel PDAF, HDR, HDR10+, Video (4K@30/60fps, 1080p@30fps)  
OS Android 11 OS   Android 15 OS, up to 7 major Android upgrades  
Chipset Qualcomm SM6225 Snapdragon 680 4G (6 nm)   Qualcomm SM8750-AB Snapdragon 8 Elite (3 nm)  
Processor Octa-core (4 x 2.4 GHz Kryo 265 Gold + 4 x 1.9 GHz Kryo 265 Silver)   Octa-core (2 x 4.47 GHz Oryon V2 Phoenix L + 6 x 3.53 GHz Oryon V2 Phoenix M)  
GPU Adreno 610   Adreno 830  
Sensors Accelerometer, Compass, Fingerprint (side mounted), Proximity   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 3.5mm Audio Jack, 24-bit/192kHz audio, Speaker Phone   32-bit/384kHz audio, Tuned by AKG, Speaker  Phone  
Colors Black, Blue   Titanium Silver Blue, Titanium Black, Titanium White Silver, Titanium Gray, Titanium Jade Green, Titanium Jet Black, Titanium Pink Gold  
Battery - Fast charging 33W, 100% in 70 min (advertised)   Li-ion 5000 mAh   - Fast charging 45W wired, PD3.0, 65% in 30 min, 25W wireless (Qi2), 4.5W reverse wireless  
Misc Glass front, plastic frame, plastic back, Active noise cancellation with dedicated mic, Document viewer, Photo/video editor   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