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iQOO iQOO 15 vs vivo X300 Pro

Every spec side by side, from each maker's published figures.

Better figure, where one is clearly better

iQOOiQOO 15vivoX300 Pro
Overview
ReleasedOctober 2025October 2025
Display
Screen size6.85″6.78″
Resolution3168 × 14402800 × 1260
Sharpness508 pixels per inch453 pixels per inch
PanelLTPO OLEDLTPO OLED
Refresh rate144 Hz120 Hz
Peak brightness6,000 nits4,500 nits
Display typeSamsung M14 LEAD OLED, flat screen; LTPO confirmed by Gadgets 360 and 91mobilesLTPO AMOLED, adaptive 1–120 Hz, Q10 plus light-emitting material
Pixel density508 ppi452 ppi
Brightness detail6,000 nits local peak, 2,600 nits global and 1,000 nits manual full-screen brightness4,500 nits local peak
Display featuresPolariser-free display, 118% P3 coverage, 1.07 billion colours and anti-reflective protective film; 3,200 Hz instantaneous gaming touch sampling and 360 Hz stable multi-finger responseP3 wide colour gamut; capacitive multi-touch
Performance
ChipQualcomm Snapdragon 8 Elite Gen 5MediaTek Dimensity 9500
Memory12 GB – 16 GB16 GB
Storage256 GB, 512 GB512 GB
CPUSnapdragon 8 Elite Gen 5, 3 nm processEight cores, 1 × 4.21 GHz + 3 × 3.5 GHz + 4 × 2.7 GHz; 3 nm process
AI enginePhysical Supercomputing Chip Q3 for game ray tracing, super resolution and frame interpolation; supported titles vary–
Storage typeIndia 12 GB/256 GB and 16 GB/512 GB; UFS 4.1; LPDDR5X Ultra up to 9,600 Mbps specifically confirmed for 16 GB/512 GB by maker footnoteGlobal 16 GB/512 GB configuration, LPDDR5X Ultra RAM and UFS 4.1; up to 16 GB virtual RAM is additional to physical memory; no storage expansion
Cooling8,000 mm² single-layer vapour chamber, dual-layer graphite and thermal gel–
Cameras
Main camera50 MP50 MP
Ultra wide camera50 MP50 MP
Telephoto camera50 MP200 MP
Optical zoom3×3.7×
Front camera32 MP50 MP
Main camera50 MP Sony IMX921, 1/1.56-inch sensor, f/1.88 and OIS with CIPA 4.5 stabilisation50 MP Sony LYT-828, 1/1.28-inch sensor, f/1.57 and OIS
Ultra wide camera50 MP, 1/2.76-inch sensor and f/2.0550 MP Samsung JN1, 1/2.76-inch sensor, f/2.0 and autofocus
Telephoto camera50 MP Sony IMX882, 1/1.95-inch sensor, f/2.65, periscope and CIPA 4.0 stabilisation200 MP HPB, 1/1.4-inch sensor, f/2.67, 85 mm equivalent, autofocus and OIS
Front camera32 MP, f/2.2 and 90° field of view50 MP JN1, f/2.0, autofocus and 92° field of view
Zoom3× optical and up to 100× digital3.7× optical telephoto identified by Android Central; maker specifies 85 mm equivalent telephoto
Video recording–4K120 Dolby Vision and 10-bit Log; 4K dual-view stage recording
Camera features2K Live Photos, multifocal portraits and street photography modeVS1 and V3+ imaging chips; portrait, snapshot, landscape and night, panorama, document, slow motion, stage, time-lapse, Pro, food, street photography and telephoto extender modes
Battery and charging
Battery7,000 mAh5,440 mAh
Wired chargingUp to 100 WUp to 90 W
Wireless chargingUp to 40 WUp to 40 W
Battery life detailIndia single-cell silicon-anode battery with second-generation semi-solid technology; 7,000 mAh typical at 3.75 V, 26.25 Wh; 6,830 mAh rated, 25.62 WhEuropean single-cell battery, 5,440 mAh/19.75 Wh typical and 5,325 mAh/19.33 Wh rated at 3.63 V; overseas markets outside Europe use 6,510 mAh/24.55 Wh typical and 6,375 mAh/24.04 Wh rated at 3.77 V
Wired charging100 W FlashCharge with official adapter and cable; PD/PPS and bypass charging90 W FlashCharge; maker adapter 11 V/8.2 A, compatible with 9 V/1.3 A or 5–11 V/5 A maximum; European box has no charger
Wireless charging40 W Wireless FlashCharge with compatible official equipment; dock sold separatelyUp to 40 W with separately purchased vivo Vertical Wireless Charger 2
Design
TypeStandardStandard
Weight216.2 g226 g
Thickness8.14 mm7.99 mm
Height × width163.35 × 76.8 mm161.98 × 75.48 mm
Water and dust resistanceIP69IP68
MaterialsMetal frame; Alpha fibre-glass rear at 216.2 g and 8.14 mm; Legend glass at 220 g and 8.17 mm; Apex glass at 221 g and 8.28 mm; maker height/width sharedGlass rear
ColoursAlpha, Legend and Apex on current India sheetBlack, White, Blue and Brown
Water resistance detailMaker confirms IP68 and IP69; IP68 laboratory test at 1.5 m for 30 minutes; resistance can diminish with wearIP68 and IP69 under IEC 60529; resistance can diminish with use
BiometricsIn-display ultrasonic fingerprint sensor3D ultrasonic fingerprint sensor
SensorsAccelerometer, ambient light, proximity, compass and gyroscope; triple ambient light sensors and dual-axis vibration motorAccelerometer, ambient light, compass, proximity, front and rear colour temperature, gyroscope, laser focusing, Hall, infrared blaster, flicker and multispectral sensors; linear vibration motor
SpeakersSymmetrical stereo speakers–
Software
Operating systemAndroidAndroid
Software at launchIndia Android 16 with OriginOS 6; maker community confirms India first sale 1 December 2025; original China sale in October 2025 reported by XinhuaAndroid 16 with OriginOS 6
AI featuresAI photo editing, captions, document and note writing tools; regional service requirements apply–
In the boxPhone, eject tool, warranty card, quick start guide, case, charger and USB cablePhone, quick start guide, USB cable, SIM eject tool, case, applied protective film and warranty card; European package excludes charger, other overseas packages include it
Connectivity
Mobile networkIndia GSM 850/900/1800/1900 MHz; WCDMA B1/2/4/5/6/8/19; LTE FDD B1/2/3/4/5/7/8/18/19/20/26/28A/28B/66/71, TDD B34/38/39/40/41/42/43/48; 5G n1/2/3/5/7/8/18/20/26/28A/28B/38/40/41/48/66/71/77/78GSM 850/900/1800/1900 MHz; WCDMA B1/2/4/5/8; LTE FDD B1/2/3/4/5/7/8/12/13/17/18/19/20/25/26/28/32/66/71, TDD B34/38/39/40/41/42; 5G n1/2/3/5/7/8/20/25/26/28/38/40/41/66/71/75/77/78/79
SIMTwo nano-SIMs, dual standbyTwo nano-SIMs, nano-SIM plus eSIM or two eSIMs; dual 5G standby outside India, dual active in India with supported network combinations; eSIM availability depends on region and carrier
Wi-FiWi-Fi 7, 6 and 5Wi-Fi 6 and 7; 2 × 2 MIMO, MU-MIMO, Wi-Fi Display; concurrent 2.4/5 GHz or 2.4/6 GHz
BluetoothBluetooth 6.0Bluetooth 6.0; Android Central's 5.4 table conflicts with the current maker sheet
NFCSupportedReader/writer and card emulation, including HCE and NFC-SIM payment; NFC-SIM payment requires SIM1
USBUSB-C and OTG; transfer version not specified on India sheetUSB 3.2 Gen 1 and OTG
PositioningGPS, GLONASS, Galileo, BeiDou, NavIC and QZSSGPS, BeiDou, GLONASS, Galileo, QZSS, NavIC, A-GPS, cellular and Wi-Fi positioning

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