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Samsung  Galaxy S25 vs Oppo Reno 15

2G Network SIM1: 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 800 / 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), 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)   LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 17(700), 20(800), 34(2000), 38(2600), 39(1900), 40(2300), 41(2500)  
5G Network SA/NSA/Sub6   SA/NSA  
Dimensions 146.9 x 70.4 x 7.2 mm   158 x 74.8 x 7.77mm (Twilight Blue), 7.89mm (Aurora White)  
Sim Type Nano-SIM + Nano-SIM + eSIM + eSIM (max 2 at a time)   Nano-SIM + Nano-SIM + eSIM (max 2 at a time)  
Weight 162 g   197 g  
Display Type Dynamic LTPO AMOLED 2X Capacitive Touchscreen   120Hz, HDR10+, 2600 nits (peak), Always-on display   AMOLED Capacitive Touchscreen, 1B Colors   120Hz, HDR10+, 600 nits (typ), 1200 nits (HBM)  
Display Size 6.2 Inches   1080 x 2340 Pixels (~416 PPI)   6.59 Inches   1256 x 2760 Pixels (~460 PPI)  
Protection Corning Gorilla Glass Victus 2   Corning Gorilla Glass 7i  
Memory 512GB Built-in, 12GB RAM, UFS 4.0   256GB Built-in, 12GB RAM, UFS 3.1  
Card slot No   No  
WLAN Wi-Fi 802.11 a/b/g/n/ac/6e, tri-band, Wi-Fi Direct   Wi-Fi 802.11 a/b/g/n/ac, dual-band  
BlueTooth v5.4 with A2DP, LE   v5.4 with A2DP, LE, aptX HD, LHDC 5  
USB USB Type-C 3.2, DisplayPort 1.2, OTG   USB Type-C 2.0, OTG  
NFC Yes   Yes  
GPS Yes + A-GPS support & Glonass, BDS, GALILEO, QZSS   Yes + GPS, GLONASS, GALILEO, BDS, QZSS  
Main Camera Triple Camera: 50 MP, f/1.8, 24mm (wide), 1/1.56", dual pixel PDAF, OIS + 10 MP, f/2.4, 67mm (telephoto), 1/3.94", PDAF, OIS, 3x optical zoom + 12 MP, f/2.2, 13mm, (ultrawide), 1/2.55", Super Steady video, LED Flash   Best Face, auto-HDR, panorama, Video (8K@24/30fps, 4K@30/60fps, 1080p@30/60/240fps, 10-bit HDR, HDR10+, stereo sound rec., gyro-EIS   Triple Camera: 50 MP, f/1.8, 26mm (wide), PDAF, OIS + 50 MP, f/2.8, 80mm (telephoto), PDAF, OIS, 3.5x optical zoom + 8 MP, f/2.2, 15mm, (ultrawide), 1/4.0", AF, LED Flash   Color spectrum sensor, HDR, panorama, Video (4K@30/60fps, 1080p@30/60/120fps, gyro-EIS, HDR)  
Front Camera 12 MP, f/2.2, 26mm (wide), 1/3.2", dual pixel PDAF, HDR, HDR10+, Video (4K@30/60fps, 1080p@30fps)   50 MP, f/2.0, 18mm (ultrawide), AF, Panorama, HDR, Video (4K@30/60fps, 1080p@30/60fps, gyro-EIS, HDR)  
OS Android 15 OS   Android 16 OS  
Chipset Qualcomm SM8750-AB Snapdragon 8 Elite (3 nm)   Qualcomm SM7750-AB Snapdragon 7 Gen 4 (4 nm)  
Processor Octa-core (2 x 4.47 GHz Oryon V2 Phoenix L + 6 x 3.53 GHz Oryon V2 Phoenix M)   Octa-core (1 x 2.8 GHz Cortex-720 + 4 x 2.4 GHz Cortex-720 + 3 x 1.8 GHz Cortex-520)  
GPU Adreno 830   Adreno 722  
Sensors Accelerometer, Barometer, Compass, FingerPrint (under display, ultrasonic), Gyro, Proximity,  Samsung DeX, Samsung Wireless DeX (desktop experience support) Circle to Search   Accelerometer, Compass, Fingerprint (under display, optical), Gyro, Proximity, BeaconLink calls via bluetooth, up to 200m  
Browser HTML5   HTML5  
Sound 32-bit/384kHz audio, Tuned by AKG, Speaker Phone   Speaker Phone  
Colors Icy Blue, Mint, Navy, Silver Shadow, Pink Gold, Coral Red, Blue Black   Twilight Blue, Aurora White  
Battery Li-ion 4000 mAh   - Fast charging 25W wired, PD3.0, 50% in 30 min, 15W wireless (Qi2), 4.5W reverse wireless   6500 mAh   - Fast battery 80W wired, 80W UFCS, 55W PPS, 13.5W PD, 13.5W QC, 100% in 50 min, Reverse wired  
Misc SMS(threaded view), MMS, Email, Push Mail, IM   Glass front (Gorilla Glass Victus 2), glass back (Gorilla Glass Victus 2), aluminum frame, IP68 dust/water resistant (up to 1.5m for 30 min), Armor aluminum 2 frame   SMS(threaded view), MMS, Email, Push Mail, IM   NFC (market/region dependent), Glass front + Gorilla Glass 7i), aluminum frame, glass back, IP68/IP69 dust tight and water resistant (high pressure water jets; immersible up to 1.5m for 30 min)