OnePlus 15 vs Vivo X300 Pro
A spec-by-spec comparison of the OnePlus 15 and the Vivo X300 Pro, taken from their full specification sheets. Green marks the better value in each measured row.
VS
Head to head
| OnePlus 15 | Vivo X300 Pro | |
|---|---|---|
| Our rating | 9/10 | 9/10 |
| Battery | 7,300 mAh | 6,510 mAh |
| Wired charging | 120W | 90W |
| RAM (max) | 24 GB | — |
| Storage (max) | 512 GB | 512 GB |
| Screen size | 6.78 in | 6.78 in |
| Refresh rate | 165 Hz | 120 Hz |
| Main camera | 50 MP | 200 MP |
| Weight (lower is lighter) | 211 g | 226 g |
| Released | Nov 2025 | Oct 2025 |
Summary: OnePlus 15 is ahead on battery, wired charging, refresh rate, weight (lower is lighter). Vivo X300 Pro is ahead on main camera.
Display
| OnePlus 15 | Vivo X300 Pro | |
|---|---|---|
| Type | Flat LTPO AMOLED, 1B colors, 165Hz, HDR10+, Dolby Vision | LTPO AMOLED, 1B colors, 120Hz, 2160Hz PWM, HDR10+, HDR Vivid, Dolby Vision |
| Size | 6.78 inches, 111.7 cm2 (~90.9% screen-to-body ratio) | 6.78 inches |
| Resolution | 2772 x 1272 pixels, 20:9 ratio (~450 ppi density) | 1260 x 2800 pixels (~452 ppi density) |
| Brightness | 1800 nits (HBM), 4500 nits (peak) | 4500 nits (peak) |
| Protection | Corning Gorilla Glass Victus 3 | — |
| Features | Aqua Touch 2.0, RadiantView, Intelligent Eye Care 4.0 | — |
Platform
| OnePlus 15 | Vivo X300 Pro | |
|---|---|---|
| OS | Android 16, OxygenOS 16 (International) / ColorOS 16 (China) | Android 16, OriginOS 6 (up to 5 major OS updates) |
| Chipset | Qualcomm Snapdragon 8 Elite Gen 5 (4 nm) | MediaTek Dimensity 9500 (3 nm) |
| CPU | Octa-core (1xX6 + 3xA7xx + 2xA7xx + 2xA5xx) | Octa-core (1x4.21 GHz C1-Ultra & 3x3.5 GHz C1-Premium & 4x2.7 GHz C1-Pro) |
| GPU | Adreno 8xx | Arm G1-Ultra |
Memory
| OnePlus 15 | Vivo X300 Pro | |
|---|---|---|
| Card slot | No | — |
| Internal | 256GB 12GB RAM, 512GB 16GB RAM, 1TB 24GB RAM | — |
| Type | UFS 4.1 | — |
| RAM | — | 12GB, 16GB (LPDDR5X Ultra) |
| Storage | — | 256GB, 512GB, 1TB (UFS 4.1) |
| Card Slot | — | No |
Main Camera
| OnePlus 15 | Vivo X300 Pro | |
|---|---|---|
| Triple | 50 MP, f/1.6, 23mm (wide), 1/1.28", 1.22µm, multi-directional PDAF, OIS (Sony IMX906) 50 MP, f/2.0, 15mm, 120˚ (ultrawide), PDAF 50 MP, f/2.6, 73mm (periscope telephoto), 1/1.95", 3x optical zoom, PDAF, OIS | 50 MP, f/1.6, 24mm (wide), 1/1.28", 1.22µm, PDAF, OIS (Sony LYT-828); 200 MP, f/2.7, 85mm (periscope telephoto), 1/1.4", 0.56µm, multi-directional PDAF, OIS, 3.7x optical zoom, macro 2.7:1 (Samsung ISOCELL HPB); 50 MP, f/2.0, 15mm, 119˚ (ultrawide), 1/2.76", 0.64µm, AF (Samsung S5KJN1) |
| Features | DetailMax Engine, Hasselblad Color Calibration, Dual-LED flash, HDR, panorama | ZEISS optics, ZEISS T* lens coating, Laser AF, color spectrum sensor, LED flash, panorama, HDR, 3D LUT import |
| Video | 4K@30/60/120fps (Dolby Vision), 1080p@30/60/240fps, gyro-EIS, OIS | 8K@30fps, 4K@30/60/120fps, 1080p@30/60/120/240fps, gyro-EIS, Dolby Vision HDR, 4K@120fps 10-bit Log |
Selfie Camera
| OnePlus 15 | Vivo X300 Pro | |
|---|---|---|
| Single | 32 MP, f/2.4, 22mm (wide), 1/2.74", 0.8µm | 50 MP, f/2.0, 20mm (wide), AF (Samsung S5KJN1) |
| Features | HDR | — |
| Video | 4K@30/60fps, 1080p@30/60fps, gyro-EIS | 4K@30/60fps, 1080p@30/60fps |
Battery
| OnePlus 15 | Vivo X300 Pro | |
|---|---|---|
| Type | Silicon NanoStack, 7300 mAh, non-removable | Li-Ion 6510 mAh (typical, Global), 5440 mAh (typical, EU) |
| Charging | 120W wired, 1-100% in 26 min (advertised), 50W wireless, 1-100% in 55 min (advertised), 10W reverse wireless | 90W wired (PD3.0), 40W wireless, Reverse wired, Reverse wireless |
Body
| OnePlus 15 | Vivo X300 Pro | |
|---|---|---|
| Dimensions | 161.4 x 76.7 x 8.1 mm (Sand Storm) / 8.2 mm (Infinite Black/Ultra Violet) | 161.2 x 75.5 x 8 mm |
| Weight | 211 g (Sand Storm) / 215 g (Infinite Black/Ultra Violet) | 226 g |
| Build | Aerospace-grade nano-ceramic construction (back), metal frame (Sand Storm: aerospace-grade micro-arc oxidation metal body), Glass front (Gorilla Glass Victus 3) | Glass front (Armor Glass), glass back, aluminum alloy frame |
| SIM | Dual SIM (Nano-SIM, dual stand-by) | — |
| Other | Programmable Plus Key (replaces Alert Slider), IP68/IP69 dust/water resistant | — |
| IP Rating | — | IP68/IP69 dust/water resistant |
Comms
| OnePlus 15 | Vivo X300 Pro | |
|---|---|---|
| WLAN | Wi-Fi 802.11 a/b/g/n/ac/6e/7, dual-band, Wi-Fi Direct | Wi-Fi 6E (802.11 a/b/g/n/ac/6/7) |
| Bluetooth | 5.4, A2DP, LE, aptX HD | 5.4, A2DP, LE, aptX HD, LHDC 5 |
| Positioning | GPS (L1+L5), GLONASS (G1), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5) | GPS, GLONASS, BDS, GALILEO, QZSS, NavIC |
| NFC | Yes | Yes |
| Radio | No | — |
| USB | USB Type-C 3.2, OTG | USB Type-C 3.2 Gen 1, OTG |
| Infrared Port | — | Yes |
Launch
| OnePlus 15 | Vivo X300 Pro | |
|---|---|---|
| Announced | 2025, October 27 (China) | 2025, October 13 |
| Status | Available. Released 2025, November 13 (Global) | — |
| Released | — | 2025, October 17 |
Frequently asked questions
Which has the better battery, OnePlus 15 or Vivo X300 Pro?
OnePlus 15 — 7,300 mAh for the OnePlus 15 versus 6,510 mAh for the Vivo X300 Pro.
Which has the smoother screen, OnePlus 15 or Vivo X300 Pro?
OnePlus 15 — 165 Hz for the OnePlus 15 versus 120 Hz for the Vivo X300 Pro.
Which is lighter, OnePlus 15 or Vivo X300 Pro?
OnePlus 15 — 211 g for the OnePlus 15 versus 226 g for the Vivo X300 Pro.
Which is newer, OnePlus 15 or Vivo X300 Pro?
OnePlus 15 — Nov 2025 for the OnePlus 15 versus Oct 2025 for the Vivo X300 Pro.
Is the OnePlus 15 or the Vivo X300 Pro rated higher?
We rate the OnePlus 15 9/10 and the Vivo X300 Pro 9/10.