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HTC U Ultra 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 / 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), 17(700), 20(800), 28(700), 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 162.4 x 79.8 x 8 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 170 g   219 g  
Display Type Super LCD5 capacitive touchscreen, 16M colors, Multitouch   Dynamic LTPO AMOLED 2X Capacitive Touchscreen   120Hz, HDR10+, 2600 nits (peak), Always-on display  
Display Size 1440 x 2560 pixels (~513 PPI pixel density)   6.9 Inches   1440 x 3120 Pixels (~498 PPI)  
Protection Corning Gorilla Glass 5 in (64 GB), Sapphire crystal glass in (128 GB)   Corning Gorilla Armor 2  
Memory 64/128GB built-in, 4GB RAM   512GB Built-in, 12GB RAM, UFS 4.0  
Card slot microSD Card (support up to 256GB) (uses SIM 2 slot)   No  
GPRS Yes
EDGE Yes
WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band, WiFi Direct, DLNA, hotspot   Wi-Fi 802.11 a/b/g/n/ac/6e/7, tri-band, Wi-Fi Direct  
BlueTooth v4.2 with A2DP, LE   v5.4 with A2DP, LE  
USB v3.1, Type-C 1.0 reversible connector   USB Type-C 3.2, DisplayPort 1.2, OTG  
NFC Yes   Yes  
GPS Yes + A-GPS support & Glonass   Yes + A-GPS support & GLONASS, BDS, GALILEO, QZSS  
Main Camera F/1.8, 26mm, OIS, laser & phase detection, 1/2.3'' sensor size, 1.55µm pixel size, geo-tagging, touch focus, face detection, Auto-HDR, panorama, Video ([email protected] (24-bit/192kHz audio), [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, 1080p, Auto-HDR   12 MP, f/2.2, 26mm (wide), 1/3.2", dual pixel PDAF, HDR, HDR10+, Video (4K@30/60fps, 1080p@30fps)  
OS Android OS, v7.0 (Nougat)   Android 15 OS, up to 7 major Android upgrades  
Chipset Qualcomm MSM8996 Snapdragon 821   Qualcomm SM8750-AB Snapdragon 8 Elite (3 nm)  
Processor Quad-core (2 x 2.15 GHz Kryo + 2 x 1.6 GHz Kryo))   Octa-core (2 x 4.47 GHz Oryon V2 Phoenix L + 6 x 3.53 GHz Oryon V2 Phoenix M)  
GPU Adreno 530   Adreno 830  
Sensors Accelerometer, gyro, proximity, compass, Fingerprint (rear-mounted)   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 Speakerphone   32-bit/384kHz audio, Tuned by AKG, Speaker  Phone  
Colors Brilliant Black, Cosmetic Pink, Ice White, Sapphire Blue   Titanium Silver Blue, Titanium Black, Titanium White Silver, Titanium Gray, Titanium Jade Green, Titanium Jet Black, Titanium Pink Gold  
Battery - Non-removable   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, Fast battery charging (Quick Charge 3.0), Document editor, Photo video/editor, Google Search, Maps, Gmail, YouTube, Calendar, MP4/H.264 player, MP3/eAAC+/WAV/Flac player, 24-bit/192kHz audio, YouTube, Google Talk   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