Both iQOO 15 and Vivo X300 Ultra comes with same RAM. Both have the same amount of internal memory.
| Name | iQOO 15 | Vivo X300 Ultra |
| RAM | 12 GB | 12 GB |
|---|---|---|
| Display | 6.85 in | 6.82 in |
| Internal Memory | 256 GB | 256 GB |
| Battery | 7000 mAh | 7000 mAh |
| Camera | 50 MP + 50 MP + 50 MP Triple | 200 MP + 200 MP + 50 MP Triple |
| Price | Rs. 72998 | Rs. 79990 |
The launch Date of the first phone is November 26th, 2025. The cost of iQOO 15 is Rs. 72998. The launch Date of the second phone is expected to be March 14, 2026 (Expected). The Expected cost of Vivo X300 Ultra is Rs. 79990.
Vivo X300 Ultra has screen size of 6.82 inches which falls short to iQOO 15's 6.85 inch screen. iQOO 15 has Screen type where as Vivo X300 Ultra has LTPO AMOLED Screen type. Vivo's phone has display density of 510 PPI & iQOO's phone has only 508 PPI display density. iQOO 15 has 19.8:9 aspect ratio where as Vivo X300 Ultra has 20:9 aspect ratio.
Both mobiles come with 12 GB RAM and both have same Internal Memory of 256 GB.
Vivo X300 Ultra's 200 MP + 200 MP + 50 MP Triple Rear Camera outclasses iQOO 15's 50 MP + 50 MP + 50 MP Triple Rear Camera in terms of resolution. Vivo X300 Ultra will be better choice if you're looking to click lot of selfies as it has better 50 MP Front Camera in comparison to iQOO 15's 32 MP Front Camera.
Both the phones run on Android Operating System Version 16.
| Name | iQOO 15 | Vivo X300 Ultra |
| General | ||
| Model | V2505A | X300 Ultra |
| Sim Type | Dual Sim, GSM+GSM | Dual Sim, GSM+GSM |
| Dual Sim | Yes | Yes |
| Sim Size | Nano+Nano SIM | Nano SIM |
| Device Type | Smartphone | Smartphone |
| OS Updates | 5 years | |
| Security Updates | 7 years | |
| Release Date | November 26th, 2025 | March 14, 2026 (Expected) |
| Design | ||
| Dimensions | 76.8 x 163.7 x 8.1 mm | |
| Weight | 215 g | |
| Bezel less | Yes | Yes |
| Colors | Legend : Glass | Alpha : Fiber Glass | Black, Silver, Red |
| Display | ||
| Type | Color Samsung 2K M14 LEADTM OLED Display (1.07B) | Color LTPO AMOLED Screen (1B Colors) |
| Touch | Yes | Yes |
| Size | 6.85 inches, 1440 x 3168 pixels, 144 Hz | 6.82 inches, 1440 x 3168 pixels, 120 Hz |
| Aspect Ratio | 19.8:9 | 20:9 |
| PPI | ~ 508 PPI | ~ 510 PPI |
| Screen to Body Ratio | ~ 90.7% | |
| Glass Type | Armor glass | |
| Brightness | 2600 nits Global Brightness, 1000 nits Manual full-screen Brightness, 6000 nits Local Peak Brightness, Anti-Reflective Protective Film | |
| Features | 118% P3 Color Gamut Coverage, Dolby Atmos | HDR10+ |
| 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 | 256 GB |
| Storage Type | UFS 4.1 | 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, A2DP, LE, aptX HD | Yes, v5.4, A2DP, LE, aptX HD |
| USB | Yes, USB-C v3.2 | 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, GLONASS, GALILEO, BeiDou, NavIC, GNSS, QZSS | Yes, with GPS, BeiDou, GLONASS, Galileo, QZSS, NavIC, A-GPS, Cellular Positioning, Wi-Fi Positioning, Geofencing |
| Fingerprint Sensor | Yes, In Display | Yes, In Display |
| Face Unlock | Yes | Yes |
| Sensors | Accelerometer, Gyro, Proximity, Compass | 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 + IP69 | IP69 |
| Dust Resistant | Yes | Yes |
| Extra Features | 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 | E-Sim Support |
| Camera | ||
| Rear Camera | 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 | 200 MP (Wide Angle) 200 MP ƒ/2.3 (Telephoto) 50 MP ƒ/2 (Ultra Wide) |
| OIS | Yes | Yes |
| Auto Focus | Yes | Yes |
| Features | HDR, panorama | Laser AF, color spectrum sensor, Zeiss optics, Zeiss T* lens coating, panorama, HDR, 3D LUT import |
| Video Recording | 4K @ 30/60 fps UHD, 1080p @ 30 fps FHD | 4K @ 30 fps UHD, 1080p @ 30 fps FHD |
| Flash | Yes, LED | Yes, LED |
| Front Camera | 32 MP ƒ/2.2 (Wide Angle) Punch Hole | 50 MP ƒ/2.5 (Wide Angle) Punch Hole, Screen Flash |
| Front Video Recording | 4K @ 60 fps UHD, 1080p @ 60 fps FHD | K @ 30 fps, 1080p @ 30 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 | AAC, OGG, FLAC, WMA, WAV, APE, MP3, MP1 | WAV, MP3, MP2, MIDI, Vorbis, APE, FLAC |
| Video | MP4, 3GP, AVI | MP4, 3GP, AVI, Video Recording: MP4 |
| 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 | 7000 mAh, Silicon Anode Battery | 7000 mAh, Li-ion Battery |
| Fast Charging | Yes, 100W Fast Charging | Yes, 120W Fast Charging |
| Wireless Charging | Yes, 40W | Yes, 50W Wireless Flash Charge |
| Reverse Charging | Yes | |