Vivo X300 (16GB RAM + 512GB) has better RAM than iQOO 15 (16GB RAM + 512GB). In terms of display resolution, iQOO 15 (16GB RAM + 512GB) has better resolution of 3168 x 1440 than Vivo X300 (16GB RAM + 512GB) which has resolution of 2640 x 1216. Both have the same amount of internal memory.
| Name | iQOO 15 (16GB RAM + 512GB) | Vivo X300 (16GB RAM + 512GB) |
| RAM | 12 GB | 16 GB |
|---|---|---|
| Display | 6.85 in | 6.31 in |
| Internal Memory | 512 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. 79999 | Rs. 85999 |
The launch Date of the first phone is November 26th, 2025. The cost of iQOO 15 (16GB RAM + 512GB) is Rs. 79999. The launch Date of the second phone is December 02, 2025. The cost of Vivo X300 (16GB RAM + 512GB) is Rs. 85999.
iQOO 15 (16GB RAM + 512GB) has larger screen size of 6.85 inches in comparison to Vivo X300 (16GB RAM + 512GB)'s 6.31 inch screen. iQOO 15 (16GB RAM + 512GB) has Screen type where as Vivo X300 (16GB RAM + 512GB) has AMOLED Screen type. iQOO's phone has display density of 508 PPI & Vivo's phone has only 484 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 (16GB RAM + 512GB) has 19.8:9 aspect ratio where as Vivo X300 (16GB RAM + 512GB) has 20:9 aspect ratio.
Vivo X300 (16GB RAM + 512GB)'s larger 16 GB RAM is better for playing games and all with respect to iQOO 15 (16GB RAM + 512GB)'s lower 12 GB RAM. and both have same Internal Memory of 512 GB.
Vivo X300 (16GB RAM + 512GB)'s 200 MP + 50 MP + 50 MP Triple Rear Camera outshines iQOO 15 (16GB RAM + 512GB)'s 50 MP + 50 MP + 50 MP Triple Rear Camera in terms of resolution. Vivo X300 (16GB 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 (16GB RAM + 512GB)'s 32 MP Front Camera.
Both the phones run on Android Operating System Version 16.
| Name | iQOO 15 (16GB RAM + 512GB) | Vivo X300 (16GB 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 | Nano-SIM + Nano-SIM + eSIM (max 2 at a time |
| Device Type | Smartphone | Smartphone |
| OS Updates | 5 years | |
| Security Updates | 7 years | |
| Release Date | November 26th, 2025 | December 02, 2025 |
| 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 | Black, Blue, Red, Purple, Pink |
| 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 | ~ 484 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, Anti-Reflective Protective Film | |
| Features | 118% P3 Color Gamut Coverage, Dolby Atmos | 2160Hz PWM, HDR10+ |
| Notch | Yes, Punch Hole | Yes, Punch Hole |
| Memory | ||
| RAM | 12 GB | 16 GB |
| RAM Type | LPDDR5X Ultra | |
| Expandable RAM | Upto 12 GB Extra Virtual RAM | Upto 16 GB Extra Virtual RAM |
| Storage | 512 GB | 512 GB |
| Storage Type | UFS 4.1 | UFS 4 |
| 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 |
| 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 | 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 | |
| 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/1.7 (Wide Angle) 1/1.4", 0.56µm, PDAF, OIS 50 MP ƒ/2.6 (Telephoto) 70mm (periscope telephoto), 1/1.95", PDAF, OIS, 3x optical zoom 50 MP ƒ/2 (Ultra Wide) 15mm, 119˚ (ultrawide), 1/2.76", 0.64µm, AF |
| OIS | Yes | Yes |
| Auto Focus | Yes | Yes |
| Features | HDR, panorama | Laser AF, Zeiss optics, Zeiss T lens Coating, Panorama, HDR, 3D LUT import |
| 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 |
| 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 | |
| Fabrication Node | 3 nm | |
| GPU | Adreno 840 | Arm G1-Ultra |
| 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 |
| Wireless Charging | Yes, 40W | Yes, 40W |
| Reverse Charging | Yes | Yes |