Vivo X300 vs iQOO 15 Ultra
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Overview
| Specs Score | 79 / 100 | 84 / 100 Better Specs |
| Display Resolution | 1260 x 2800 pixels | 1440 x 3168 pixels Better Resolution |
| Battery | 6000 mAh | 7500 mAh Bigger Battery |
General
| Model | X300 | |
| Sim Type | Dual Sim, GSM+GSM | Dual Sim, GSM+GSM |
| Dual Sim | Yes | Yes |
| Sim Size | Nano+Nano SIM | Nano+Nano SIM |
| Device Type | Smartphone | Smartphone |
| Release Date | October 14, 2025 (Expected) | August 10, 2025 (Expected) |
Design
| Bezel less | Yes | Yes |
Display
| Type | Color AMOLED Screen (1B Colors) | Color LTPO 2.0 AMOLED Screen (1B Colors) |
| Touch | Yes | Yes |
| Size | 6.67 inches, 1260 x 2800 pixels, 120 Hz | 6.88 inches, 1440 x 3168 pixels, 144 Hz |
| Aspect Ratio | 20:9 | 19.8:9 |
| PPI | ~ 460 PPI | ~ 506 PPI |
| Screen to Body Ratio | ~ 89.6% | ~ 90.2% |
| Features | HDR10+, 4500 nits (peak) | HDR10+, P3 Color Gamut, 2400nits Brightness, Contrast Ratio: 8000000:1, Q10 2k 144Hz Ultra Eyecare Display |
| Notch | Yes, Punch Hole | Yes, Punch Hole |
| Curved Display | Yes |
Memory
| RAM | 12 GB | 12 GB |
| Expandable RAM | Upto 12 GB Extra Virtual RAM | Upto 12 GB Extra Virtual RAM |
| Storage | 256 GB | 256 GB |
| Storage Type | UFS 4 | UFS 4 |
| Card Slot | No |
Connectivity
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| 5G | Yes | Yes |
| 5G Bands | n1/n3/n5/n7/n8/n20/n28A/n28B/n38/n40/n41/n77/n78 | |
| VoLTE | Yes, Dual Stand-By | Yes, Dual Stand-By |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Wifi Version | Wi-Fi 7 | |
| Bluetooth | Yes, v5.4, A2DP, LE, aptX HD | Yes, v6.0, A2DP, LE, aptX HD |
| USB | Yes, USB-C | Yes, USB-C v3.2 |
| USB Features | USB Tethering, USB on-the-go, USB Charging | USB on-the-go, USB Charging |
| IR Blaster | Yes | Yes |
Extra
| GPS | Yes, with GPS, BeiDou, GLONASS, Galileo, QZSS, NavIC, A-GPS, Cellular Positioning, Wi-Fi Positioning | Yes, with GPS; GLONASS; GALILEO; BeiDou; NavIC; GNSS, QZSS |
| Fingerprint Sensor | Yes, In Display | Yes, In Display |
| Face Unlock | Yes | Yes |
| Sensors | Accelerometer, Gyro, Proximity, Compass | Accelerometer, Ambient, Proximity Sensor, Proximity Sensor |
| 3.5mm Headphone Jack | No | No |
| NFC | Yes | Yes |
| Water Resistance | Yes, 1.5 m upto 30 min | Yes, 1.5 m upto 30 min |
| IP Rating | IP69 | IP69 |
| Dust Resistant | Yes | Yes |
| Extra Features | LPDDR5X RAM |
Camera
| Rear Camera | 50 MP ƒ/1 (Wide Angle) 50 MP (Telephoto) | 50 MP (Wide Angle) 50 MP 50 MP (Telephoto) 200 MP (Ultra Wide) |
| OIS | Yes | Yes |
| Auto Focus | Yes | Yes |
| Features | Laser AF, Zeiss optics, Zeiss T* lens coating, panorama, HDR, 3D LUT import | Snapshot, Night, Portrait, Photo, Video,High Resolution, Panorama, Slow Motion, Time Lapse, Pro, Supermoon, Ultra HD Document,Long Exposure, Astro, Tilt Shift, Fish eye |
| Video Recording | 4K, 1080p | 8K, 4K @ 60 fps UHD, 1080p @ 60 fps FHD |
| Flash | Yes, LED | Yes, Dual LED |
| Front Camera | 50 MP ƒ/2 (Ultra Wide) 20mm Punch Hole, Screen Flash | 50 MP ƒ/2.45 (Wide Angle) Punch Hole |
| Front Video Recording | 4K @ 30 fps UHD, 1080p @ 30 fps FHD | 1080p @ 60 fps FHD, 4K @ 60 fps UHD |
Technical
| OS | Android v15 | Android v16 |
| Custom UI | OriginOS 5 | Funtouch OS 17 |
| Chipset | Mediatek Dimensity 9500 | |
| CPU | Octa Core Processor | Octa Core Processor |
| Java | No | No |
| Browser | Yes | Yes |
Multimedia
| Yes | Yes | |
| Music | WAV, MP3, MP2, MIDI, Vorbis, APE, FLAC | AAC, OGG, FLAC, WMA, WAV, APE, MP3, MP1 |
| Video | MP4, 3GP, AVI, Video Recording: MP4 | MP4, 3GP, AVI |
| FM Radio | No | No |
| Document Reader | Yes | Yes |
Battery
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 6000 mAh, Li-ion Battery | 7500 mAh, Si/C |
| Fast Charging | Yes, 120W FlashCharge | Yes, 150W Fast Charging |
| Reverse Charging | Yes | Yes |
Discuss
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