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Xiaomi Redmi 9A vs Samsung Galaxy S25 Ultra 1TB

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 / 1900 / 2100   HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100  
4G Network LTE band 2(1900), 4(1700/2100), 5(850), 12(700), 14(700), 29(700), 30(2300), 66(1700/2100)   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 164.9 x 77 x 9 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 194 g   219 g  
Display Type 400 nits typ. brightness (advertised)   Dynamic LTPO AMOLED 2X Capacitive Touchscreen   120Hz, HDR10+, 2600 nits (peak), Always-on display  
Display Size 720 x 1600 Pixels (~269 PPI)   6.9 Inches   1440 x 3120 Pixels (~498 PPI)  
Protection Corning Gorilla Armor 2  
Memory 32GB Built-in, 2GB RAM   1TB Built-in, 12GB RAM, UFS 4.0  
Card slot microSDXC (dedicated slot)   No  
GPRS Yes
WLAN Wi-Fi 802.11 b/g/n, hotspot   Wi-Fi 802.11 a/b/g/n/ac/6e/7, tri-band, Wi-Fi Direct  
BlueTooth v5.0 with A2DP, LE   v5.4 with A2DP, LE  
USB microUSB 2.0, USB On-The-Go   USB Type-C 3.2, DisplayPort 1.2, OTG  
NFC No   Yes  
GPS Yes + A-GPS support   Yes + A-GPS support & GLONASS, BDS, GALILEO, QZSS  
Main Camera Geo-tagging, touch focus, face detection, panorama, HDR, 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 5 MP, f/2.2, HDR, 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 10 OS   Android 15 OS, up to 7 major Android upgrades  
Chipset MediaTek Helio G25 (12 nm)   Qualcomm SM8750-AB Snapdragon 8 Elite (3 nm)  
Processor 2.0 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 PowerVR GE8320 (650 MHz)   Adreno 830  
Sensors Accelerometer, Gyro, 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, DivX/MP4/H.264 player, MP3/WAV/eAAC+ player, Speaker Phone   32-bit/384kHz audio, Tuned by AKG, Speaker  Phone  
Colors Granite Gray, Peacook Green, Sky Blue   Titanium Silver Blue, Titanium Black, Titanium White Silver, Titanium Gray, Titanium Jade Green, Titanium Jet Black, Titanium Pink Gold  
Battery - Battery charging 10W   Li-ion 5000 mAh   - Fast charging 45W wired, PD3.0, 65% in 30 min, 25W wireless (Qi2), 4.5W reverse wireless  
Misc Active noise cancellation with dedicated mic, Photo/video editor, Document viewer   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