Vivo X300 Pro vs Xiaomi 17 Ultra
A spec-by-spec comparison of the Vivo X300 Pro and the Xiaomi 17 Ultra, taken from their full specification sheets. Green marks the better value in each measured row.
VS
Head to head
| Vivo X300 Pro | Xiaomi 17 Ultra | |
|---|---|---|
| Our rating | 9/10 | 9/10 |
| Battery | 6,510 mAh | 6,000 mAh |
| Wired charging | 90W | 90W |
| Storage (max) | 512 GB | 512 GB |
| Screen size | 6.78 in | 6.9 in |
| Refresh rate | 120 Hz | 120 Hz |
| Main camera | 200 MP | 200 MP |
| Weight (lower is lighter) | 226 g | 219 g |
| Released | Oct 2025 | Dec 2025 |
Summary: Vivo X300 Pro is ahead on battery. Xiaomi 17 Ultra is ahead on screen size, weight (lower is lighter).
Display
| Vivo X300 Pro | Xiaomi 17 Ultra | |
|---|---|---|
| Type | LTPO AMOLED, 1B colors, 120Hz, 2160Hz PWM, HDR10+, HDR Vivid, Dolby Vision | LTPO AMOLED, 68B colors, 120Hz, 2160Hz PWM, Dolby Vision, HDR Vivid, HDR10+, 3500 nits (peak) |
| Size | 6.78 inches | 6.9 inches |
| Resolution | 1260 x 2800 pixels (~452 ppi density) | 1200 x 2608 pixels |
| Brightness | 4500 nits (peak) | — |
| Pixel Density | — | 416 PPI |
| Protection | — | Not specified (likely Gorilla Glass equivalent) |
Platform
| Vivo X300 Pro | Xiaomi 17 Ultra | |
|---|---|---|
| OS | Android 16, OriginOS 6 (up to 5 major OS updates) | Android 16, HyperOS 3 (upgradable to Android 17) |
| Chipset | MediaTek Dimensity 9500 (3 nm) | Qualcomm SM8850-AC Snapdragon 8 Elite Gen 5 (3 nm) |
| CPU | Octa-core (1x4.21 GHz C1-Ultra & 3x3.5 GHz C1-Premium & 4x2.7 GHz C1-Pro) | Octa-core (2x Prime Core up to 4.6GHz, 6x Performance Core up to 3.62GHz) |
| GPU | Arm G1-Ultra | Adreno™ GPU |
Memory
| Vivo X300 Pro | Xiaomi 17 Ultra | |
|---|---|---|
| RAM | 12GB, 16GB (LPDDR5X Ultra) | 12GB, 16GB (LPDDR5X) |
| Storage | 256GB, 512GB, 1TB (UFS 4.1) | 512GB, 1TB (UFS 4.1) |
| Card Slot | No | — |
| Card slot | — | No |
Main Camera
| Vivo X300 Pro | Xiaomi 17 Ultra | |
|---|---|---|
| Triple | 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) | 50 MP, f/1.67, 1-inch sensor, OIS, LOFIC HDR (wide); 200 MP, f/2.39-f/2.96, periscope telephoto, 4.3x optical zoom, OIS; 50 MP, f/2.2, ultrawide, 14mm equivalent, 1/2.88" sensor |
| Features | ZEISS optics, ZEISS T* lens coating, Laser AF, color spectrum sensor, LED flash, panorama, HDR, 3D LUT import | Leica optics, laser autofocus, Dual-LED flash, HDR, panorama |
| Video | 8K@30fps, 4K@30/60/120fps, 1080p@30/60/120/240fps, gyro-EIS, Dolby Vision HDR, 4K@120fps 10-bit Log | 8K video recording |
Selfie Camera
| Vivo X300 Pro | Xiaomi 17 Ultra | |
|---|---|---|
| Single | 50 MP, f/2.0, 20mm (wide), AF (Samsung S5KJN1) | 50 MP, f/2.2, 21mm equivalent, 90° FOV |
| Video | 4K@30/60fps, 1080p@30/60fps | 4K video recording |
| Features | — | HDR, panorama |
Battery
| Vivo X300 Pro | Xiaomi 17 Ultra | |
|---|---|---|
| Type | Li-Ion 6510 mAh (typical, Global), 5440 mAh (typical, EU) | Si/C Li-Ion |
| Charging | 90W wired (PD3.0), 40W wireless, Reverse wired, Reverse wireless | 90W wired HyperCharge, 50W wireless HyperCharge, 22.5W wired reverse charging |
| Capacity | — | 6000 mAh |
Body
| Vivo X300 Pro | Xiaomi 17 Ultra | |
|---|---|---|
| Dimensions | 161.2 x 75.5 x 8 mm | 162.9 x 77.6 x 8.3 mm |
| Weight | 226 g | 218.4g (Black and White) / 219g (Starlit Green) / 223.4g (Leica Version) |
| Build | Glass front (Armor Glass), glass back, aluminum alloy frame | Glass front, glass back (or fiberglass), aluminum frame |
| IP Rating | IP68/IP69 dust/water resistant | IP68 dust/water resistant (up to 6m for 30 min) |
Comms
| Vivo X300 Pro | Xiaomi 17 Ultra | |
|---|---|---|
| WLAN | Wi-Fi 6E (802.11 a/b/g/n/ac/6/7) | Wi-Fi 802.11 a/b/g/n/ac/6e/7, tri-band, Wi-Fi Direct |
| Bluetooth | 5.4, A2DP, LE, aptX HD, LHDC 5 | 5.4, A2DP, LE, aptX HD, LHDC |
| Positioning | GPS, GLONASS, BDS, GALILEO, QZSS, NavIC | GPS (L1+L5), GLONASS (G1), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5) |
| NFC | Yes | Yes |
| Infrared Port | Yes | — |
| USB | USB Type-C 3.2 Gen 1, OTG | USB Type-C 3.2, OTG |
| Infrared port | — | Yes |
| Satellite Communication | — | Yes |
Launch
| Vivo X300 Pro | Xiaomi 17 Ultra | |
|---|---|---|
| Announced | 2025, October 13 | December 25, 2025 |
| Released | 2025, October 17 | — |
| Status | — | Released December 27, 2025 (China), March 6, 2026 (Global Leica Leitzphone) |
Frequently asked questions
Which has the better battery, Vivo X300 Pro or Xiaomi 17 Ultra?
Vivo X300 Pro — 6,510 mAh for the Vivo X300 Pro versus 6,000 mAh for the Xiaomi 17 Ultra.
Which is lighter, Vivo X300 Pro or Xiaomi 17 Ultra?
Xiaomi 17 Ultra — 226 g for the Vivo X300 Pro versus 219 g for the Xiaomi 17 Ultra.
Which is newer, Vivo X300 Pro or Xiaomi 17 Ultra?
Xiaomi 17 Ultra — Oct 2025 for the Vivo X300 Pro versus Dec 2025 for the Xiaomi 17 Ultra.
Is the Vivo X300 Pro or the Xiaomi 17 Ultra rated higher?
We rate the Vivo X300 Pro 9/10 and the Xiaomi 17 Ultra 9/10.