OnePlus 15 5G (16GB RAM + 512GB) has better RAM than Vivo X300 Ultra. In terms of display resolution, Vivo X300 Ultra has better resolution of 2800 x 1260 than OnePlus 15 5G (16GB RAM + 512GB) which has resolution of 2772 x 1272. OnePlus 15 5G (16GB RAM + 512GB) has more internal memory than Vivo X300 Ultra
| Name | Vivo X300 Ultra | OnePlus 15 5G (16GB RAM + 512GB) |
| RAM | 12 GB | 16 GB |
|---|---|---|
| Display | 6.8 in | 6.78 in |
| Internal Memory | 256 GB | 512 GB |
| Battery | 6000 mAh | 7300 mAh |
| Camera | 200 MP + 50 MP + 50 MP Triple | 50 MP + 50 MP + 50 MP Triple |
| Price | Rs. 79990 | Rs. 79999 |
The launch Date of the first phone is expected to be October 14, 2026 (Expected). The Expected cost of Vivo X300 Ultra is Rs. 79990. The launch Date of the second phone is October 27, 2025. The cost of OnePlus 15 5G (16GB RAM + 512GB) is Rs. 79999.
OnePlus 15 5G (16GB RAM + 512GB) has screen size of 6.78 inches which falls short to Vivo X300 Ultra's 6.8 inch screen. There is LTPO AMOLED Screen Type in both the phones. Vivo's phone has display density of 452 PPI & OnePlus's phone has only 450 PPI display density. In terms of screen to body ratio, OnePlus's phone has better screen to body ratio of ~ 95.5% than Vivo's phone ~ 90.3%. Vivo X300 Ultra has 20:9 aspect ratio where as OnePlus 15 5G (16GB RAM + 512GB) has 20/9 aspect ratio.
OnePlus 15 5G (16GB RAM + 512GB)'s larger 16 GB RAM is better for playing games and all with respect to Vivo X300 Ultra's lower 12 GB RAM. OnePlus 15 5G (16GB RAM + 512GB) has more Internal Memory (512 GB) than Vivo X300 Ultra (256 GB).
They both have the same 200 MP + 50 MP + 50 MP Triple Rear Camera. 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 OnePlus 15 5G (16GB RAM + 512GB)'s 32 MP Front Camera.
Both the phones run on Android Operating System Version 16.
| Name | Vivo X300 Ultra | OnePlus 15 5G (16GB RAM + 512GB) |
| General | ||
| Country of Origin | India | |
| Model | X300 Ultra | CPH2745, CPH2747, PLK110 |
| Sim Type | Dual Sim, GSM+GSM | Dual Sim, GSM+GSM |
| Dual Sim | Yes | Yes |
| Sim Size | Nano+Nano SIM | Nano+Nano SIM |
| SAR | 1.17 W/kg (Head) 1 W/kg (Body) | |
| Device Type | Smartphone | Smartphone |
| Release Date | October 14, 2026 (Expected) | October 27, 2025 |
| In The Box | OnePlus 15, Charger, USB data cable, SIM Ejector Tool, Protective Case, Quick Guide | |
| Design | ||
| Dimensions | 76.7 x 161.4 x 8.1 mm | |
| Weight | 211 g | |
| Bezel less | Yes | |
| Colors | Blue, Black, White, Titanium | Infinite Black, Ultra Violet, Sand Storm |
| Display | ||
| Type | Color LTPO AMOLED Screen (1B Colors) | Color LTPO AMOLED Screen (1B Colors) |
| Touch | Yes | Yes |
| Size | 6.8 inches, 1260 x 2800 pixels, 120 Hz | 6.78 inches, 1272 x 2772 pixels, 165 Hz |
| Aspect Ratio | 20:9 | 20/9 |
| PPI | ~ 452 PPI | ~ 450 PPI |
| Screen to Body Ratio | ~ 90.3% | ~ 95.5% |
| Glass Type | Corning Gorilla Glass Victus 2 | |
| Brightness | 800 nits (typ), 1800 nits (HBM) | |
| Features | HDR10+ | Sun Display, Reduce White Point, Eye Comfort Reminders, Motion Cues, Minimum 1nit, Eye Comfort for Gaming |
| Notch | Yes, Punch Hole | Yes, Punch Hole |
| Memory | ||
| RAM | 12 GB | 16 GB |
| RAM Type | LPDDR5X Ultra Plus | |
| Expandable RAM | Upto 12 GB Extra Virtual RAM | |
| Storage | 256 GB | 512 GB |
| Storage Type | UFS 4 | UFS 4.1 |
| Card Slot | No | No |
| Connectivity | ||
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| 5G | Yes | Yes |
| 5G Bands | 5G NR: n1/n2/n3/n5/n7/n8/n20/n26/n28/n38/n40/n41/n48/n66/n77/n78 | |
| VoLTE | Yes, Dual Stand-By | Yes, Dual Stand-By |
| Vo5G | Yes | |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Wifi Version | Wi-Fi 7 (802.11be), Wi-Fi 6 (802.11ax), Wi-Fi 5 (802.11ac), Wi-Fi Display, WLAN Tethering, Wi-Fi 2.4GHz 2×2+Wi-Fi 5GHz 2×2 concurrent, Wi-Fi 5GHz 160MHz, 2×2 MIMO | |
| Bluetooth | Yes, v5.4, A2DP, LE, aptX HD | Yes, v6.0, SBC, AAC, LDAC, aptX, aptX HD, aptX Adaptive, LHDC 5.0 |
| USB | Yes, USB-C | 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 | 4,187,391 (Total) (v10) | |
| Extra | ||
| GPS | Yes, with GPS, BeiDou, GLONASS, Galileo, QZSS, NavIC, A-GPS, Cellular Positioning, Wi-Fi Positioning, Geofencing | Dual band: GPS(L1+L5), GLONASS(G1), BeiDou(B1I+B1C+B2a), Galileo(E1+E5a), QZSS(L1+L5), NavIC(L5) |
| Fingerprint Sensor | Yes, In Display | Yes, In Display |
| Face Unlock | Yes | Yes |
| Sensors | Accelerometer, Gyro, Proximity, Compass, Color Spectrum | Proximity, Ambient Light, Color Temperature, E-compass, Accelerometer, Gyroscope, In-display Ultrasonic Fingerprint Sensor, Hall Sensor, Laser Focusing Sensor, Spectral Sensor, Infrared Remote Control |
| 3.5mm Headphone Jack | No | No |
| NFC | Yes | Yes |
| AI Features | Plus Mind, Gemini AI | |
| Water Resistance | Yes, 1.5 m upto 30 min | Yes, 2 m upto 30 min |
| IP Rating | IP68 | IP66/IP68/IP69K/IP69 |
| Dust Resistant | Yes | Yes |
| Extra Features | E-Sim Support | OP Gaming Core, Touch Response Chip, G2 Wi-Fi Chip, Bypass Charging, 360° Cryo Velocity Cooling System |
| Camera | ||
| Rear Camera | 50 MP ƒ/1.6 (Wide Angle) 200 MP ƒ/2.7 (Telephoto) 50 MP ƒ/2 (Ultra Wide) | 50 MP ƒ/1.8 (Wide Angle) Sensor: Sony's IMX906, Lens Quantity: 6P, Optical Image Stabilization: Yes, Aperture: ƒ/1.8, Field of View: 84°, Autofocus: Yes 50 MP ƒ/2.8 (Telephoto) Sensor: S5KJN5 with 3.5X optical zoom, 7x optical quality zoom, Lens Quantity: 4P, Optical Image Stabilization: Yes, Aperture: ƒ/2.8, Field of View: 30°, Autofocus: Yes, Ultra Res (digital) Zoom: up to 120x zoom 50 MP ƒ/2 (Ultra Wide) Sensor: OV50D, Lens Quantity: 6P, Aperture: ƒ/2.0, Field of view: 116°, Autofocus: Yes |
| OIS | Yes | Yes |
| Auto Focus | Yes | Yes |
| Features | Laser AF, Zeiss optics, Zeiss T* lens coating, panorama, HDR, 3D LUT import | Photo, Video, Portrait, Night, Panorama, SLO-MO, Long Exposure, Dual-view video, TIME-LAPSE, HI-RES, Underwater, Master, TEXT SCANNER, DOC SCANNER, TILT-SHIFT, PRO VIDEO |
| Video Recording | 4K @ 30 fps UHD, 1080p | 8K @ 30 fps UHD, 4K @ 120/60 fps UHD, 1080p |
| Flash | Yes, LED | Yes, LED |
| Front Camera | 50 MP ƒ/2 (Ultra Wide) Punch Hole, Screen Flash | 32 MP ƒ/2.4 (Wide Angle) Sensor: Sony IMX709, Lens Quantity: 5P, Focal Length: 21 mm equivalent, Autofocus: Supported, Aperture: f/2.4 Punch Hole, Screen Flash |
| Front Video Recording | 4K @ 30 fps UHD, 1080p @ 30 fps FHD | 4K @ 60 fps UHD, 1080p @ 60 fps FHD |
| Technical | ||
| OS | Android v16 | Android v16 |
| Custom UI | OriginOS 6 | OxygenOS 16 |
| 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 |
| GPU | Adreno 840 | Adreno 840 |
| Java | No | No |
| Browser | Yes | Yes |
| Multimedia | ||
| Supports | JPEG, PNG, BMP, GIF, WEB, HEIF, HEIC, DNG | |
| Yes | Yes | |
| Music | WAV, MP3, MP2, MIDI, Vorbis, APE, FLAC | MP3, AAC, AAC+, WMA, AMR-NB, AMR-WB, WAV, FLAC, APE, OGG, MID, M4A, IMY, AC3, EAC3, EAC3-JOC, AC4 |
| Video | MP4, 3GP, AVI, Video Recording: MP4 | Dolby Vision, HDR10, HDR10+, +HLG, HDRViVid, MKV, MOV, MP4, H.265 (HEVC), AVI, WMV, TS, 3GP, ASF, FLV, WEB |
| FM Radio | No | No |
| Document Reader | Yes | Yes |
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 6000 mAh, Li-ion Battery | 7300 mAh, Si/C |
| Fast Charging | Yes, 120W Fast Charging | Yes, 120W SUPERVOOC Charging |
| Wireless Charging | Yes, 50W Wireless Flash Charge | Yes, 50W AIRVOOC |
| Reverse Charging | Yes, 10W | |
| Reverse Wireless Charging | Yes, 5W | |