Both Vivo X300 and iQOO 15 (16GB RAM + 512GB) comes with same RAM. In terms of display resolution, iQOO 15 (16GB RAM + 512GB) has better resolution of 3168 x 1440 than Vivo X300 which has resolution of 2640 x 1216. iQOO 15 (16GB RAM + 512GB) has more internal memory than Vivo X300
| Name | Vivo X300 | iQOO 15 (16GB RAM + 512GB) |
| RAM | 12 GB | 12 GB |
|---|---|---|
| Display | 6.31 in | 6.85 in |
| Internal Memory | 256 GB | 512 GB |
| Battery | 6040 mAh | 7000 mAh |
| Camera | 200 MP + 50 MP + 50 MP Triple | 50 MP + 50 MP + 50 MP Triple |
| Price | Rs. 75999 | Rs. 79999 |
The launch Date of the first phone is December 02, 2025. The cost of Vivo X300 is Rs. 75999. The launch Date of the second phone is November 26th, 2025. The cost of iQOO 15 (16GB RAM + 512GB) is Rs. 79999.
iQOO 15 (16GB RAM + 512GB) has larger screen size of 6.85 inches in comparison to Vivo X300's 6.31 inch screen. Vivo X300 has AMOLED Screen type where as iQOO 15 (16GB RAM + 512GB) has 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%. Vivo X300 has 20:9 aspect ratio where as iQOO 15 (16GB RAM + 512GB) has 19.8:9 aspect ratio.
Both phones come with 12 GB RAM iQOO 15 (16GB RAM + 512GB) has more Internal Memory (512 GB) than Vivo X300 (256 GB).
Vivo X300'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 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 | Vivo X300 | iQOO 15 (16GB RAM + 512GB) |
| General | ||
| Country of Origin | India | |
| Model | X300 | V2505A |
| Sim Type | Dual Sim, GSM+GSM | Dual Sim, GSM+GSM |
| Dual Sim | Yes | Yes |
| Sim Size | Nano-SIM + Nano-SIM + eSIM (max 2 at a time | Nano+Nano SIM |
| Device Type | Smartphone | Smartphone |
| OS Updates | 5 years | |
| Security Updates | 7 years | |
| Release Date | December 02, 2025 | November 26th, 2025 |
| Design | ||
| Dimensions | 71.9 x 150.6 x 8 mm | 76.8 x 163.7 x 8.1 mm |
| Weight | 190 g | 215 g |
| Bezel less | Yes | Yes |
| Colors | Black, Blue, Red, Purple, Pink | Legend : Glass | Alpha : Fiber Glass |
| Display | ||
| Type | Color AMOLED Screen (1B Colors) | Color Samsung 2K M14 LEADTM OLED Display (1.07B) |
| Touch | Yes | Yes |
| Size | 6.31 inches, 1216 x 2640 pixels, 120 Hz | 6.85 inches, 1440 x 3168 pixels, 144 Hz |
| Aspect Ratio | 20:9 | 19.8:9 |
| PPI | ~ 484 PPI | ~ 508 PPI |
| Screen to Body Ratio | ~ 86.7% | ~ 90.7% |
| Brightness | 2600 nits Global Brightness, 1000 nits Manual full-screen Brightness, 6000 nits Local Peak Brightness, Anti-Reflective Protective Film | |
| Features | 2160Hz PWM, 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 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, BeiDou, GLONASS, Galileo, QZSS, NavIC, A-GPS, Cellular Positioning, Wi-Fi Positioning | 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 | 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 | 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 | 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 | 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, 1080p | 4K @ 30/60 fps UHD, 1080p @ 30 fps FHD |
| Flash | Yes, LED | Yes, LED |
| Front Camera | 50 MP ƒ/2 (Wide Angle) Punch Hole, Screen Flash | 32 MP ƒ/2.2 (Wide Angle) Punch Hole |
| Front Video Recording | 4K, 1080p | 4K @ 60 fps UHD, 1080p @ 60 fps FHD |
| Technical | ||
| OS | Android v16 | Android v16 |
| Custom UI | OriginOS 6 | OriginOS 6 |
| Chipset | Mediatek Dimensity 9500 | Qualcomm Snapdragon 8 Elite Gen 5 |
| CPU | 4.21 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 | |
| Fabrication Node | 3 nm | |
| GPU | Arm G1-Ultra | 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 | 6040 mAh, Li-ion Battery | 7000 mAh, Silicon Anode Battery |
| Fast Charging | Yes, 90W | Yes, 100W Fast Charging |
| Wireless Charging | Yes, 40W | Yes, 40W |
| Reverse Charging | Yes | Yes |