Vivo X300 Pro 5G has better RAM than iQOO 15 Ultra. In terms of display resolution, iQOO 15 Ultra has better resolution of 3168 x 1440 than Vivo X300 Pro 5G which has resolution of 2800 x 1260. Vivo X300 Pro 5G has more internal memory than iQOO 15 Ultra
| Name | iQOO 15 Ultra | Vivo X300 Pro 5G |
| RAM | 12 GB | 16 GB |
|---|---|---|
| Display | 6.88 in | 6.78 in |
| Internal Memory | 256 GB | 512 GB |
| Battery | 7500 mAh | 6510 mAh |
| Camera | 50 MP Quad | 200 MP + 50 MP + 50 MP Triple |
| Price | Rs. 104990 | Rs. 109999 |
The launch Date of the first phone is expected to be December 10, 2025 (Expected). The Expected cost of iQOO 15 Ultra is Rs. 104990. The launch Date of the second phone is December 02, 2025. The cost of Vivo X300 Pro 5G is Rs. 109999.
iQOO 15 Ultra has larger screen size of 6.88 inches in comparison to Vivo X300 Pro 5G's 6.78 inch screen. iQOO 15 Ultra has LTPO 2.0 AMOLED Screen type where as Vivo X300 Pro 5G has LTPO AMOLED Screen type. iQOO's phone has display density of 506 PPI & Vivo's phone has only 452 PPI display density. In terms of screen to body ratio, Vivo's phone has better screen to body ratio of ~ 91.6% than iQOO's phone ~ 90.2%. iQOO 15 Ultra has 19.8:9 aspect ratio where as Vivo X300 Pro 5G has 20:9 aspect ratio.
Vivo X300 Pro 5G's larger 16 GB RAM is better for playing games and all with respect to iQOO 15 Ultra's lower 12 GB RAM. Vivo X300 Pro 5G has more Internal Memory (512 GB) than iQOO 15 Ultra (256 GB).
They both have the same 50 MP Quad Rear Camera. Both of them stand equal in terms of Front Camera Resolution as both have 50 MP Front Camera.
Both the phones run on Android Operating System Version 16.
| Name | iQOO 15 Ultra | Vivo X300 Pro 5G |
| General | ||
| Model | V2502A | |
| Sim Type | Dual Sim, GSM+GSM | Dual Sim, GSM+GSM |
| Dual Sim | Yes | Yes |
| Sim Size | Nano+Nano SIM | Nano+Nano SIM |
| SAR | 1.14 W/kg (Head) 0.95 W/kg (Body) | |
| Device Type | Smartphone | Smartphone |
| OS Updates | 5 years | |
| Security Updates | 7 years | |
| Release Date | December 10, 2025 (Expected) | December 02, 2025 |
| Design | ||
| Dimensions | 75.5 x 161.2 x 8 mm | |
| Weight | 226 g | |
| Bezel less | Yes | Yes |
| Colors | Black, Blue, White, Brown | |
| Display | ||
| Type | Color LTPO 2.0 AMOLED Screen (1B Colors) | Color LTPO AMOLED Screen (1.07 billion) |
| Touch | Yes | Yes |
| Size | 6.88 inches, 1440 x 3168 pixels, 144 Hz | 6.78 inches, 1260 x 2800 pixels, 120 Hz |
| Aspect Ratio | 19.8:9 | 20:9 |
| PPI | ~ 506 PPI | ~ 452 PPI |
| Screen to Body Ratio | ~ 90.2% | ~ 91.6% |
| Glass Type | Scratch/drop-resistant glass | |
| Brightness | 4500 nits Local Peak Brightness, 1 nit Min Brightness13 | |
| Features | HDR10+, P3 Color Gamut, 2400nits Brightness, Contrast Ratio: 8000000:1, Q10 2k 144Hz Ultra Eyecare Display | Ultra HDR image support, Dolby Vision, Color 100% P3, Wide Color Gamut, HDR10+, Triple Eye Protection |
| 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 | 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/n3/n5/n7/n8/n20/n28A/n28B/n38/n40/n41/n77/n78 | n1/n2/n3/n5/n7/n8/n20/n25/n26/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 | 2.4GHz,5.0GHz, 6.0GHz |
| Bluetooth | Yes, v6.0, 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 on-the-go, USB Charging | USB Tethering, USB on-the-go, USB Charging |
| IR Blaster | Yes | Yes |
| Extra | ||
| GPS | Yes, with GPS; GLONASS; GALILEO; BeiDou; NavIC; GNSS, QZSS | 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, Ambient, Proximity Sensor, Proximity Sensor | Accelerometer, Gyro, Proximity, Compass |
| 3.5mm Headphone Jack | No | No |
| NFC | Yes | Yes |
| Water Resistance | Yes, 1.5 m upto 30 min | Yes, 1.5 m upto 30 min |
| IP Rating | IP69 | IP68 & IP69 |
| Dust Resistant | Yes | Yes |
| Extra Features | V3+ Chip, Liquid Cooling Vapor Chamber, AI SuperLink | |
| Camera | ||
| Rear Camera | 50 MP (Wide Angle) 50 MP 50 MP (Telephoto) 200 MP (Ultra Wide) | 50 MP ƒ/1.6 (Wide Angle) 24mm (wide), 1/1.28", 1.22µm, PDAF, OIS 200 MP ƒ/2.7 (Telephoto) Telephoto (OIS) 3.5x Optical Zoom HPB Sensor CIPA 5.5 50 MP ƒ/2 (Ultra Wide) 15mm, 119˚ (ultrawide), 1/2.76", 0.64µm, AF |
| Camera Sensor | 50MP (OIS) Sony LYT-828 Sensor CIPA 5.5 | |
| OIS | Yes | Yes |
| Auto Focus | Yes | Yes |
| Features | Snapshot, Night, Portrait, Photo, Video,High Resolution, Panorama, Slow Motion, Time Lapse, Pro, Supermoon, Ultra HD Document,Long Exposure, Astro, Tilt Shift, Fish eye | Laser AF, color spectrum sensor, Zeiss optics, Zeiss T* lens coating, panorama, HDR, 3D LUT import, Snapshot, Landscape & Night, Portrait, Photo, Video, Portrait Video, Ultra HD Document, Slo-mo, Stage, Time-lapse, Pro, AI Storyboard, Telephoto Bird Shots, ZEISS Mirotar Telephoto Style Bokeh, Telephoto Extender |
| Video Recording | 8K, 4K @ 60 fps UHD, 1080p @ 60 fps FHD | 8K @ 30 fps UHD, 4K @ 60 fps UHD, 1080p @ 60 fps FHD |
| Flash | Yes, Dual LED | Yes, LED |
| Front Camera | 50 MP ƒ/2.45 (Wide Angle) Punch Hole | 50 MP ƒ/2 (Wide Angle) 50MP JN1 AF Punch Hole, Screen Flash |
| Front Video Recording | 1080p @ 60 fps FHD, 4K @ 60 fps UHD | 4K @ 60 fps UHD, 1080p @ 60 fps FHD |
| Technical | ||
| OS | Android v16 | Android v16 |
| Custom UI | Funtouch OS 17 | OriginOS 6 |
| Chipset | Mediatek Dimensity 9500 | |
| CPU | Octa Core Processor | 4.21 GHz, Octa Core Processor |
| GPU | 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 |
| Document Reader | Yes | Yes |
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 7500 mAh, Si/C | 6510 mAh, Li-ion Battery |
| Fast Charging | Yes, 150W Fast Charging | Yes, 90W Fast Charging |
| Wireless Charging | Yes, 40W Wireless FlashCharge | |
| Reverse Charging | Yes | |