Both iQOO 15 and Vivo X300 (12GB RAM + 512GB) comes with same RAM. In terms of display resolution, iQOO 15 has better resolution of 3168 x 1440 than Vivo X300 (12GB RAM + 512GB) which has resolution of 2640 x 1216. Vivo X300 (12GB RAM + 512GB) has more internal memory than iQOO 15
| Name | iQOO 15 | Vivo X300 (12GB RAM + 512GB) |
| RAM | 12 GB | 12 GB |
|---|---|---|
| Display | 6.85 in | 6.31 in |
| Internal Memory | 256 GB | 512 GB |
| Battery | 7000 mAh | 6040 mAh |
| Camera | 50 MP + 50 MP + 50 MP Triple | 200 MP + 50 MP + 50 MP Triple |
| Price | Rs. 76999 | Rs. 81999 |
The launch Date of the first phone is November 26th, 2025. The cost of iQOO 15 is Rs. 76999. The launch Date of the second phone is December 02, 2025. The cost of Vivo X300 (12GB RAM + 512GB) is Rs. 81999.
iQOO 15 has larger screen size of 6.85 inches in comparison to Vivo X300 (12GB RAM + 512GB)'s 6.31 inch screen. iQOO 15 has Screen type where as Vivo X300 (12GB RAM + 512GB) has AMOLED Screen type. iQOO's phone has display density of 508 PPI & Vivo's phone has only 460 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 ~ 86.7%. iQOO 15 has 19.8:9 aspect ratio where as Vivo X300 (12GB RAM + 512GB) has 20:9 aspect ratio.
Both phones come with 12 GB RAM Vivo X300 (12GB RAM + 512GB) has more Internal Memory (512 GB) than iQOO 15 (256 GB).
Vivo X300 (12GB RAM + 512GB)'s 200 MP + 50 MP + 50 MP Triple Rear Camera outshines iQOO 15's 50 MP + 50 MP + 50 MP Triple Rear Camera in terms of resolution. Vivo X300 (12GB RAM + 512GB) 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 (12GB RAM + 512GB) |
| General | ||
| Country of Origin | India | |
| Model | V2505A | X300 |
| Sim Type | Dual Sim, GSM+GSM | Dual Sim, GSM+GSM |
| Dual Sim | Yes | Yes |
| Sim Size | Nano+Nano SIM | (SIM1 + SIM2) | SIM1+SIM2/SIM1+eSIM1/eSIM1+eSIM2 |
| eSIM Support | Yes | |
| Device Type | Smartphone | Smartphone |
| OS Updates | 5 years | 5 years |
| Security Updates | 7 years | 7 years |
| Release Date | November 26th, 2025 | December 02, 2025 |
| In The Box | Model, Documentation, Type-C Cable ,USB Power Adapter, SIM Ejector, Protective Case, Protective Film (applied) | |
| Design | ||
| Dimensions | 76.8 x 163.7 x 8.1 mm | 71.9 x 150.6 x 8 mm |
| Weight | 215 g | 190 g |
| Bezel less | Yes | Yes |
| Colors | Legend : Glass | Alpha : Fiber Glass | Summit Red, Mist Blue, Elite Black |
| Display | ||
| Type | Color Samsung 2K M14 LEADTM OLED Display (1.07B) | Color AMOLED Screen (1B Colors) |
| Touch | Yes | Yes |
| Size | 6.85 inches, 1440 x 3168 pixels, 144 Hz | 6.31 inches, 1216 x 2640 pixels, 120 Hz |
| Aspect Ratio | 19.8:9 | 20:9 |
| PPI | ~ 508 PPI | ~ 460 PPI |
| Screen to Body Ratio | ~ 90.7% | ~ 86.7% |
| Brightness | 2600 nits Global Brightness, 1000 nits Manual full-screen Brightness, 6000 nits Local Peak Brightness, | 4500 nits Local Peak Brightness |
| HDR Support | Yes | Yes, HDR10+ |
| Adaptive Refresh Rate | Yes | |
| Color Gamut | 118% P3 Color Gamut Coverage | |
| Features | Anti-Reflective Protective Film, Dolby Atmos | 2160Hz PWM, HDR10+, Night Eye Protection Mode 3.0, Game Eye Protection Mode 2.0, Sleep Comfort Mode, Smart Eye Protection Mode 3.0, Anti-Fatigue Brightness 2.0, Adaptive Color Temperature |
| Notch | Yes, Punch Hole | Yes, Punch Hole |
| Memory | ||
| RAM | 12 GB | 12 GB |
| RAM Type | LPDDR5X Ultra | LPDDR5X Ultra |
| Expandable RAM | Upto 12 GB Extra Virtual RAM | Upto 12 GB Extra Virtual RAM |
| Storage | 256 GB | 512 GB |
| Storage Type | UFS 4.1 | 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/n20/n25/n26/n28/n38/n40/n41/n66/n75/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 | 2.4GHz,5.0GHz, 6.0Ghz |
| Bluetooth | Yes, A2DP, LE, aptX HD | Yes, v6.0, 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 | 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 | Yes, with GPS, BeiDou, GLONASS, Galileo, QZSS, NavIC, A-GPS, Cellular Positioning, Wi-Fi Positioning |
| Fingerprint Sensor | Yes, In Display Ultrasonic | Yes, In Display Ultrasonic |
| Face Unlock | Yes | Yes |
| Sensors | Accelerometer, Gyro, Proximity, Compass | Accelerometer, Ambient Light Sensor, Proximity Sensor, E-compass, Gyroscope |
| 3.5mm Headphone Jack | No | No |
| NFC | Yes | Yes |
| Cooling System | 8K VC Cooling System, >14,000 mm2 Dual-layer Graphite Sheet Area | 4000 mm2 Liquid Cooling Vapor Chamber |
| 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 | Veo 3 in Gemini, AI Image Studio, AI SuperLink |
| Water Resistance | Yes, 1.5 m upto 30 min | Yes, 1.5 m upto 30 min |
| IP Rating | IP68 + IP69 | IP68, 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 | vivo Office Kit, One-Tap Transfer, vivo DocMaster, Private Space, Vivo V3+ |
| 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/1.57 (Wide Angle) 200MP HPB 1/1.14" (OIS) CIPA 4.5 50 MP ƒ/2.67 (Telephoto) 50MP LYT-602 1/1.953" Telephoto (OIS) 3x Optical Zoom CIPA 4.5 50 MP ƒ/2 (Ultra Wide) 50MP JN1 1/2.76" wide-angle AF 119.4 degree |
| OIS | Yes | Yes |
| Auto Focus | Yes | Yes |
| Features | HDR, panorama | Laser AF, Zeiss optics, Zeiss T lens Coating, Panorama, HDR, 3D LUT import, Snapshot, Portrait, Photo, Video, High Resolution, Pano, Ultra HD Document, Slo-mo, Long Exposure, Time-Lapse, Supermoon, Astro, Landscape & Night Mode, Pro, Live Photo, Portrait Video, Night, Super Macro, ZEISS Multifocal Portrait, Stage Mode 2.0, AI Storyboard, Telephoto Extender |
| Video Recording | 4K @ 30/60 fps UHD, 1080p @ 30 fps FHD | 4K, 1080p |
| Flash | Yes, LED | Yes, LED |
| Front Camera | 32 MP ƒ/2.2 (Wide Angle) Punch Hole | 50 MP ƒ/2 (Wide Angle) Punch Hole, Screen Flash |
| Front Video Recording | 4K @ 60 fps UHD, 1080p @ 60 fps FHD | 4K, 1080p |
| Front Camera Features | HDR | HDR |
| Technical | ||
| OS | Android v16 | Android v16 |
| Custom UI | OriginOS 6 | OriginOS 6 |
| Chipset | Qualcomm Snapdragon 8 Elite Gen 5 | Mediatek Dimensity 9500 |
| CPU | 4.6 GHz, Octa Core Processor | 4.21 GHz, Octa Core Processor |
| Core Details | 2x4.6 GHz Oryon V3 Phoenix L + 6x3.62 GHz Oryon V3 Phoenix M | 1 × C1-Ultra + 3 × C1-Premium + 4 × C1-Pro |
| Fabrication Node | 3 nm | |
| GPU | Adreno 840 | Arm G1-Ultra |
| NPU | Qualcomm Hexagon NPU | |
| 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 | 6040 mAh, Li-ion Battery |
| Fast Charging | Yes, 100W Fast Charging | Yes, 90W FlashCharge |
| Wireless Charging | Yes, 40W | Yes, 40W |
| Reverse Charging | Yes | Yes |
| Bypass Charging | Yes | |