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Lenovo Vibe Z2 vs Samsung Galaxy S25 Ultra 512GB

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 / 900 / 1700 / 1900 / 2100 HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100  
4G Network LTE band 1(2100), 3(1800), 7(2600), 20(800) 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 148.5 x 76.4 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 158 g 219 g  
Display Type IPS LCD capacitive touchscreen, 16M colors Dynamic LTPO AMOLED 2X Capacitive Touchscreen   120Hz, HDR10+, 2600 nits (peak), Always-on display  
Display Size 5.5 inches , 720 x 1280 pixels (~267 ppi pixel density) 6.9 Inches   1440 x 3120 Pixels (~498 PPI)  
Multitouch Yes
Protection Corning Gorilla Armor 2  
Memory 32GB built-in 512GB Built-in, 12GB RAM, UFS 4.0  
Card slot No  
RAM 2GB RAM
GPRS Yes
WLAN WLAN (Wi-Fi 802.11 b/g/n/ac Wi-Fi 802.11 a/b/g/n/ac/6e/7, tri-band, Wi-Fi Direct  
BlueTooth Bluetooth 4.0 v5.4 with A2DP, LE  
USB USB (microUSB v2.0) 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, 4160 x 3120 pixels, optical image stabilization, autofocus, LED flash, Geo-tagging, touch focus, face detection, panorama, HDR, Video 1080p@30fps, 8 MP 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 12 MP, f/2.2, 26mm (wide), 1/3.2", dual pixel PDAF, HDR, HDR10+, Video (4K@30/60fps, 1080p@30fps)  
OS Android OS, v4.4 (KitKat) Android 15 OS, up to 7 major Android upgrades  
Chipset Qualcomm MSM89 Qualcomm SM8750-AB Snapdragon 8 Elite (3 nm)  
Processor 1.2 GHz Quad-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 306 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 (Not yet Confirmed), 3.5mm Jack, MP3/WAV/WMA/eAAC+ player, MP4/H.264 player, SNS integration, Google talk, Games 32-bit/384kHz audio, Tuned by AKG, Speaker  Phone  
Colors White, Gold, Titanium Titanium Silver Blue, Titanium Black, Titanium White Silver, Titanium Gray, Titanium Jade Green, Titanium Jet Black, Titanium Pink Gold  
Battery Talk-time up to 30 hrs 3000 mAh Li-ion 5000 mAh   - Fast charging 45W wired, PD3.0, 65% in 30 min, 25W wireless (Qi2), 4.5W reverse wireless  
StandBy Time Stand-by up to 408 hrs
TalkTime Talk-time up to 30 hrs 3000 mAh
Misc GPS + A-GPS support, Organizer, Document viewer, Photo viewer/editor, Air gestures, Active noise cancellation with dedicated mic, Voice memo/dial, Predictive text input, Dual-SIM + Micro-SIM, dual stand-by), google Search, Maps, Gmail, YouTube, Calendar, 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