Vivo X300 Ultra has better RAM than iQOO 15. Vivo X300 Ultra has more internal memory than iQOO 15
| Name | iQOO 15 | Vivo X300 Ultra |
| RAM | 12 GB | 16 GB |
|---|---|---|
| Display | 6.85 in | 6.82 in |
| Internal Memory | 256 GB | 512 GB |
| Battery | 7000 mAh | 6600 mAh |
| Camera | 50 MP + 50 MP + 50 MP Triple | 200 MP + 200 MP + 50 MP Triple |
| Price | Rs. 72998 | Rs. 159999 |
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 May 06, 2026. The cost of Vivo X300 Ultra is Rs. 159999.
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 AMOLED Screen type. Vivo's phone has display density of 510 PPI & iQOO's phone has only 508 PPI display density. In terms of screen to body ratio, iQOO's phone has better screen to body ratio of ~ 90.7% than Vivo's phone ~ 90.3%. iQOO 15 has 19.8:9 aspect ratio where as Vivo X300 Ultra has 20:9 aspect ratio.
Vivo X300 Ultra's larger 16 GB RAM is better for playing games and all with respect to iQOO 15's lower 12 GB RAM. Vivo X300 Ultra has more Internal Memory (512 GB) than iQOO 15 (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 | V2547A, V2547DA, V2536A, V2562 |
| Sim Type | Dual Sim, GSM+GSM | Dual Sim, GSM+GSM |
| Dual Sim | Yes | Yes |
| Sim Size | Nano+Nano SIM | Nano+Nano SIM |
| SAR | 1.1 W/kg (Head) 1.12 W/kg (Body) | |
| Device Type | Smartphone | Smartphone |
| OS Updates | 5 years | 5 years |
| Security Updates | 7 years | 7 years |
| Release Date | November 26th, 2025 | May 06, 2026 |
| In The Box | X300 Ultra, Quick Start Guide, Eject Tool, Phone Case, Protective Film (applied), Warranty Card, USB Power Adapter | |
| Design | ||
| Dimensions | 76.8 x 163.7 x 8.1 mm | 76.81 x 162.98 x 8.19 mm |
| Weight | 215 g | 232 g |
| Bezel less | Yes | Yes |
| Colors | Legend : Glass | Alpha : Fiber Glass | Victory Green, Eclipse Black |
| Display | ||
| Type | Color Samsung 2K M14 LEADTM OLED Display (1.07B) | Color AMOLED Screen (1.07B Colors) |
| Touch | Yes | Yes |
| Size | 6.85 inches, 1440 x 3168 pixels, 144 Hz | 6.82 inches, 1440 x 3168 pixels, 144 Hz |
| Aspect Ratio | 19.8:9 | 20:9 |
| PPI | ~ 508 PPI | ~ 510 PPI |
| Screen to Body Ratio | ~ 90.7% | ~ 90.3% |
| Glass Type | Armor glass | |
| Brightness | 2600 nits Global Brightness, 1000 nits Manual full-screen Brightness, 6000 nits Local Peak Brightness, | 4500 nits |
| HDR Support | Yes | Yes |
| Adaptive Refresh Rate | Yes | Yes |
| Display Dimming | 2160Hz PWM | |
| Color Gamut | 118% P3 Color Gamut Coverage | 100% DCI-P3 |
| Features | Anti-Reflective Protective Film, Dolby Atmos | Dolby Vision, HDR10+, HDR Vivid, 2K ZEISS Master Color Display, Ultra XDR |
| Notch | Yes, Punch Hole | Yes, Punch Hole |
| Curved Display | No | |
| Memory | ||
| RAM | 12 GB | 16 GB |
| RAM Type | LPDDR5X Ultra | LPDDR5X Ultra Pro |
| Expandable RAM | Upto 12 GB Extra Virtual RAM | Upto 16 GB Extra Virtual RAM |
| Storage | 256 GB | 512 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 | n1/n2/n3/n5/n7/n8/n12/n20/n25/n28/n38/n40/n41/n66/n71/n75/n77/n78/n79 |
| VoLTE | Yes, Dual Stand-By | Yes, Dual Stand-By |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Wifi Version | Wi-Fi 7 | 2.4G;5G;6G |
| Bluetooth | Yes, A2DP, LE, aptX HD | Yes, v6.0 |
| 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 | 3,820,464 (Total) (v11) 1,096,771 (CPU) 1,423,985 (GPU) 426,378 (Memory) 87,330 (UX) | |
| AnTuTu Storage Score | 143,770 | |
| Geekbench Score | 9,993 (Multi Core) (v6) 3,532 (Single Core) 23,942 (OpenCL) 27,067 (Vulkan) | |
| 3DMark Score | 7,191 (Wild Life Extreme) | |
| Speaker Score | 79 (Very Good) | |
| Battery Test Result | 20.5 hours | |
| Extra | ||
| GPS | Yes, with GPS, GLONASS, GALILEO, BeiDou, NavIC, GNSS, QZSS | GPS, BeiDou, GLONASS, Galileo, QZSS, NavIC, GNSS feature - AGPS |
| Fingerprint Sensor | Yes, In Display Ultrasonic | Yes, In Display |
| Face Unlock | Yes | Yes |
| Sensors | Accelerometer, Gyro, Proximity, Compass | Accelerometer, Color Temperature Sensor, Ambient Light Sensor, Proximity Sensor, E-compass, Gyroscope, Laser Focusing Sensor, Hall Sensor, Infrared Blaster, Flicker Sensor Linear Motor |
| 3.5mm Headphone Jack | No | No |
| NFC | Yes | Yes |
| Cooling System | 8K VC Cooling System, >14,000 mm2 Dual-layer Graphite Sheet Area | 5800 mm² Ultra Large VC Cooling Area |
| Gaming Features | Self-Developed Full-Scene Ray Tracing, PC-Grade Native Super Resolution, PC-Grade Lossless Frame Interpolation, Concurrent Super Resolution and Frame Interpolation, Game Display Enhancement, Next-Gen Super Touch Control, AI Esports Signal Engine | |
| 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 & IP68 |
| 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 | Pro Imaging Chip VS1+, 5800 mm² Ultra Large VC Cooling Area, Live Connectivity Engine, vivo Office Kit, 5G + 5G Dual SIM Dual Standby, BlueVolt Battery Technology, Shake to Share |
| 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 ƒ/1.85 (Wide Angle) 35mm ZEISS Documentry Camera, 1/1.12", 0.7µm, PDAF, gimbal OIS 200 MP ƒ/2.67 (Telephoto) 85mm ZEISS Gimbal-Like Stabilization APO Telephoto Camera, Ultra-Sensing Sensor HPO | 200 MP | CIPA 7.0 | 3° OIS | 60 fps AF Tracking, 1/1.4", 0.56µm, multi-directional PDAF, OIS, 3.7x optical zoom, macro 3.4:1, 50 MP ƒ/2 (Ultra Wide) Sony LYTIA 818 Sensor, CIPA 6.0, IS, 1/1.28", 1.22µm, dual pixel PDAF, OIS, 14mm ZEISS |
| Camera Sensor | Sony LYTIA 901 Sensor CIPA 6.5 (200MP Wide Angle) + Sony LYT818 Sensor CIPA 6.0(50MP UltraWide) | |
| OIS | Yes | Yes |
| Auto Focus | Yes | Yes |
| Features | HDR, panorama | ZEISS Cinematics, ZEISS Documentry Camera, ZEISS Master Lenses Collection, Snapshot, Landscape & Night, Portrait, Photo, Video, Portrait Video, Pano, Ultra HD Document, Slo-mo, Stage, Time-lapse, Pro, Underwater Photography, Spatial Camera, Food, Scan, Street Photography, Dolby Vision |
| Video Recording | 4K @ 30/60 fps UHD, 1080p @ 30 fps FHD | 4K @ 120 fps UHD, 1080p |
| Flash | Yes, LED | Yes, LED |
| Front Camera | 32 MP ƒ/2.2 (Wide Angle) Punch Hole | 50 MP ƒ/2.45 (Wide Angle) Punch Hole, Autofocus, Screen Flash |
| Front Video Recording | 4K @ 60 fps UHD, 1080p @ 60 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 |
| NPU | Qualcomm Hexagon NPU | Qualcomm Hexagon NPU |
| Java | No | No |
| Browser | Yes | Yes |
| Multimedia | ||
| Yes | Yes | |
| Music | AAC, OGG, FLAC, WMA, WAV, APE, MP3, MP1 | AAC, WAV, MP3, MIDI, VORBIS, APE, FLAC |
| Video | MP4, 3GP, AVI | MP4; 3GP; AVI; FLV; MKV; WEBM; TS; ASF |
| FM Radio | No | No |
| Speaker Type | Dual Stereo | 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 | 6600 mAh, Li-ion Battery |
| Fast Charging | Yes, 100W Fast Charging | Yes, 100W FlashCharge. |
| Wireless Charging | Yes, 40W | Yes, 40W Wireless FlashCharge |
| Reverse Charging | Yes | Yes |
| Reverse Wireless Charging | Yes | |
| Bypass Charging | Yes | Yes |
| Video Playback Time | 38 hours | |