Vivo X300 Ultra vs iQOO 15 (16GB RAM + 512GB)
Here you can compare Vivo X300 Ultra and iQOO 15 (16GB RAM + 512GB). Comparing Vivo X300 Ultra vs iQOO 15 (16GB RAM + 512GB) on Smartprix enables you to check their respective specs scores and unique features. It would potentially help you understand how Vivo X300 Ultra stands against iQOO 15 (16GB RAM + 512GB) and which one should you buy The current lowest price found for Vivo X300 Ultra is ₹79,990 and for iQOO 15 (16GB RAM + 512GB) is ₹79,999. The details of both of these products were last updated on Nov 27, 2025.
| Specification | Vivo X300 Ultra | iQOO 15 (16GB RAM + 512GB) |
|---|---|---|
| Battery | 6000 mAh, Li-ion Battery | 7000 mAh, Silicon Anode Battery |
| CPU | 4.6 GHz, Octa Core Processor | 4.6 GHz, Octa Core Processor |
| Internal Memory | 256 GB | 512 GB |
| Rear Camera | 50 MP ƒ/1.6 (Wide Angle) 200 MP ƒ/2.7 (Telephoto) 50 MP ƒ/2 (Ultra Wide) | 50 MP ƒ/1.9 (Wide Angle) Sony IMX921 (1/1.56"" Sony TrueColor Camera) 50 MP ƒ/2.65 (Telephoto) Sony IMX 882 (1/1.95"" 3X Periscope Camera) 50 MP ƒ/2.05 (Ultra Wide) 1/2.76", 0.64µm, AF |
| Display | 6.8 inches, 1260 x 2800 pixels, 120 Hz | 6.85 inches, 1440 x 3168 pixels, 144 Hz |
| Price | ₹79,990 | ₹79,999 |
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Overview
| Specs Score | 94 / 100 Better Specs | 91 / 100 |
| Display Resolution | 1260 x 2800 pixels | 1440 x 3168 pixels Better Resolution |
| Storage | 256 GB | 512 GB More Storage |
| Front Camera | 50 MP Better Front Camera Resolution | 32 MP |
| Weight | 215 g Lighter | |
| Thickness | 8.1 mm Slimmer | |
| Battery | 6000 mAh | 7000 mAh Bigger Battery |
| Unique Features | No | Reverse Charging |
General
| Model | X300 Ultra | V2505A |
| 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 |
| OS Updates | 5 years | |
| Security Updates | 7 years | |
| Release Date | October 14, 2026 (Expected) | November 26th, 2025 |
Design
| Dimensions | 76.8 x 163.7 x 8.1 mm | |
| Weight | 215 g | |
| Bezel less | Yes | Yes |
| Colors | Blue, Black, White, Titanium | Legend : Glass | Alpha : Fiber Glass |
Display
| Type | Color LTPO AMOLED Screen (1B Colors) | Color Samsung 2K M14 LEADTM OLED Display (1.07B) |
| Touch | Yes | Yes |
| Size | 6.8 inches, 1260 x 2800 pixels, 120 Hz | 6.85 inches, 1440 x 3168 pixels, 144 Hz |
| Aspect Ratio | 20:9 | 19.8:9 |
| PPI | ~ 452 PPI | ~ 508 PPI |
| Screen to Body Ratio | ~ 90.3% | ~ 90.7% |
| Brightness | 2600 nits Global Brightness, 1000 nits Manual full-screen Brightness, 6000 nits Local Peak Brightness, Anti-Reflective Protective Film | |
| Features | HDR10+ | 118% P3 Color Gamut Coverage, Dolby Atmos |
| Notch | Yes, Punch Hole | Yes, Punch Hole |
Memory
| RAM | 12 GB | 12 GB |
| RAM Type | LPDDR5X Ultra | |
| Expandable RAM | Upto 12 GB Extra Virtual RAM | Upto 12 GB Extra Virtual RAM |
| Storage | 256 GB | 512 GB |
| Storage Type | UFS 4 | UFS 4.1 |
| Card Slot | No |
Connectivity
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| 5G | Yes | Yes |
| 5G Bands | n1/n2/n3/n5/n7/n8/n18/n20/n26/n28A/n28B/n38/n40/n41/n48/n66/n71/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, A2DP, LE, aptX HD |
| USB | Yes, USB-C | Yes, USB-C v3.2 |
| USB Features | USB Tethering, USB on-the-go, USB Charging | USB Tethering, USB on-the-go, USB Charging |
| IR Blaster | Yes | Yes |
Performance
| AnTuTu Score | 4,186,917 (Total) (v10) |
Extra
| GPS | Yes, with GPS, BeiDou, GLONASS, Galileo, QZSS, NavIC, A-GPS, Cellular Positioning, Wi-Fi Positioning, Geofencing | 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, Color Spectrum | Accelerometer, Gyro, Proximity, Compass |
| 3.5mm Headphone Jack | No | No |
| NFC | Yes | Yes |
| AI Features | AI Esports Signal Engine, AI Season Change, AI Creation, AI Captions | |
| Water Resistance | Yes, 1.5 m upto 30 min | Yes, 1.5 m upto 30 min |
| IP Rating | IP68 | IP68 + IP69 |
| Dust Resistant | Yes | Yes |
| Extra Features | E-Sim Support | Q3 Gaming Chip, 8K VC Cooling System, New-Gen 3D Ultrasonic Fingerprint, Bypass Charging, Next-Gen Super Touch Control, Industry's First Dual Axis Vibration motor |
Camera
| Rear Camera | 50 MP ƒ/1.6 (Wide Angle) 200 MP ƒ/2.7 (Telephoto) 50 MP ƒ/2 (Ultra Wide) | 50 MP ƒ/1.9 (Wide Angle) Sony IMX921 (1/1.56"" Sony TrueColor Camera) 50 MP ƒ/2.65 (Telephoto) Sony IMX 882 (1/1.95"" 3X Periscope Camera) 50 MP ƒ/2.05 (Ultra Wide) 1/2.76", 0.64µm, AF |
| OIS | Yes | Yes |
| Auto Focus | Yes | Yes |
| Features | Laser AF, Zeiss optics, Zeiss T* lens coating, panorama, HDR, 3D LUT import | HDR, panorama |
| Video Recording | 4K @ 30 fps UHD, 1080p | 4K @ 30/60 fps UHD, 1080p @ 30 fps FHD |
| Flash | Yes, LED | Yes, LED |
| Front Camera | 50 MP ƒ/2 (Ultra Wide) Punch Hole, Screen Flash | 32 MP ƒ/2.2 (Wide Angle) Punch Hole |
| Front Video Recording | 4K @ 30 fps UHD, 1080p @ 30 fps FHD | 4K @ 60 fps UHD, 1080p @ 60 fps FHD |
Technical
| OS | Android v16 | Android v16 |
| Custom UI | OriginOS 6 | OriginOS 6 |
| Chipset | qualcomm Snapdragon 8 Elite Gen 5 | Qualcomm Snapdragon 8 Elite Gen 5 |
| CPU | 4.6 GHz, Octa Core Processor | 4.6 GHz, Octa Core Processor |
| Core Details | 2x4.6 GHz Oryon V3 Phoenix L + 6x3.62 GHz Oryon V3 Phoenix M | 2x4.6 GHz Oryon V3 Phoenix L + 6x3.62 GHz Oryon V3 Phoenix M |
| Fabrication Node | 3 nm | |
| GPU | Adreno 840 | Adreno 840 |
| 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 |
| Speaker Type | Dual Stereo | |
| Audio Features | Symmetrical Dual Stereo Speakers | |
| Document Reader | Yes | Yes |
Battery
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 6000 mAh, Li-ion Battery | 7000 mAh, Silicon Anode Battery |
| Fast Charging | Yes, 120W Fast Charging | Yes, 100W Fast Charging |
| Wireless Charging | Yes, 50W Wireless Flash Charge | Yes, 40W |
| Reverse Charging | Yes |
Discuss
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