Quick/Comparisons
The Xiaomi 15 Ultra's strong camera system gives it a clear advantage in photography, with a score of 94. The Vivo X300's camera system is non-existent, with a score of 0.
The Vivo X300's excellent gaming capability, with a score of 95, gives it a slight edge over the Xiaomi 15 Ultra's score of 89.
Both phones have similar scores for everyday use, with the Vivo X300 at 88 and the Xiaomi 15 Ultra at 89, making them essentially tied.
92 | Display | 94 |
| — | Camera | 94 |
95 | Performance | 95 |
94 | Gaming | 83 |
83 | Battery | 84 |
98 | Connectivity | 98 |
| — | QuickComparison Score | 91 |
| 6.31 inches AMOLED 1216 x 2640 pixels | Screen | 6.73 inches AMOLED 1440 x 3200 pixels |
| MediaTek Dimensity 9500 | SoC | Qualcomm Snapdragon 8 Elite |
| 200 megapixels | Camera | 50 megapixels |
| 6040 mAh | Battery | 5410 mAh |
| Android 16 | OS | Android 15 (Can be upgraded to Android 16) |
| 190 g (6.7 oz) | Weight | 226 g (7.97 oz) |
| AMOLED | Type | AMOLED |
| 6.31 inches | Size | 6.73 inches |
| 1216 x 2640 pixels | Resolution | 1440 x 3200 pixels |
| 19.5:9 | Aspect ratio | 20:9 |
| 460 ppi | PPI | 522 ppi |
| 120 Hz | Refresh rate | 120 Hz |
| Yes (1-120 Hz) | Adaptive refresh rate | Yes (1-120 Hz) |
| 2000 nits | Max rated brightness | 1600 nits |
| 4500 nits | Max rated brightness in HDR | 3200 nits |
| Yes, Dolby Vision | HDR support | Yes, Dolby Vision |
| Reinforced Glass | Screen protection | Xiaomi Shield Glass 2.0 |
| 90.30% | Screen-to-body ratio | 90% |
| - DCI-P3 - Always-On Display - DC Dimming | Display features | - DCI-P3 - Always-On Display - DC Dimming |
| — | Display tests | — |
| 99.80% | RGB color space | 99.70% |
| 360 Hz | PWM | 120 Hz |
| 1 ms | Response time | 1 ms |
| ∞ Infinity | Contrast | ∞ Infinity |
| 2680 nits | Peak brightness test (auto) | 1601 nits |
| 3204 | Geekbench 6 (Single-Core) | 3106 |
| 9874 | Geekbench 6 (Multi-Core) | 9710 |
| 25501 | Compute Score (GPU) | 24339 |
| 3198836 | AnTuTu Benchmark 11 | 3030376 |
| 1257518 | GPU | 1097348 |
| 385618 | Memory | 440343 |
| 618903 | UX | 579894 |
| 3198836 | Total Score | 3030376 |
| 3121 | 3DMark Steel Nomad Light | 2151 |
| 57% | Stability | 76% |
| 23 FPS | Graphics test | 16 FPS |
| 3121 | Graphics score | 2151 |
| 12886 | 3DMark Solar Bay | 9814 |
| 49 FPS | Graphics test | 37 FPS |
| 56 FPS | Section 1 | 42 FPS |
| 48 FPS | Section 2 | 38 FPS |
| 42 FPS | Section 3 | 32 FPS |
| 12886 | Graphics score | 9814 |
| — | SoC | — |
| MediaTek Dimensity 9500 | Chipset | Qualcomm Snapdragon 8 Elite |
| 4210 MHz | Max clock | 4320 MHz |
| 8 (1 + 3 + 4) | CPU cores | 8 (2 + 6) |
| - 4 cores at 2.7 GHz: C1-Pro - 3 cores at 3.5 GHz: C1-Premium - 1 core at 4.21 GHz: C1-Ultra | Architecture | - 6 cores at 3.53 GHz: Oryon (Phoenix M) - 2 cores at 4.32 GHz: Oryon (Phoenix L) |
| TSMC | Manufacturing | TSMC |
| 3 nanometers | Lithography process | 3 nanometers |
| MediaTek NPU 990 | Neural processor (NPU) | Hexagon |
| — | GPU | — |
| — | Graphics | — |
| — | GPU shading units | — |
| — | GPU clock | — |
| — | FLOPS | — |
| 150.57 mm (5.93 inches) | Height | 161.3 mm (6.35 inches) |
| 71.92 mm (2.83 inches) | Width | 75.3 mm (2.96 inches) |
| 7.95 mm (0.31 inches) | Thickness | 9.35 mm (0.37 inches) |
| 190 g (6.7 oz) | Weight | 226 g (7.97 oz) |
| IP69 | Waterproof | IP68 |
| Glass | Rear material | Glass |
| Metal | Frame material | Metal |
| Black, Blue, Red, Pink, Purple | Colors | White, Black, Silver, Green |
| Yes, in-display | Fingerprint scanner | Yes, in-display |
| Good (3/5) | Repairability | Average (2.61/5) |
| Very good (B) · 180 drops | Drop resistance | Good (C) · 90 drops |
| 90.30% | Screen-to-body ratio | 90% |
| — | RAM | — |
| 12 GB | Ram Size | 12 GB |
| LPDDR5X | Memory type | LPDDR5X |
| 4 | Channels | 4 |
| — | Storage | — |
| — | Storage size | — |
| — | Storage type | — |
| — | Memory Card | — |
| Android 16 | Operating system | Android 15 (Can be upgraded to Android 16) |
| 5 years | OS updates | 4 years |
| — | Security updates | 7 years |
| 6040 mAh | Capacity | 5410 mAh |
| 90 W | Max charge power | 90 W |
| Silicon-Carbon (Si/C) | Battery type | Silicon-Carbon (Si/C) |
| No | Replaceable | No |
| Yes (40 W) | Wireless charging | Yes (80 W) |
| Yes, (wireless) | Reverse charging | Yes, (wireless) |
| Yes | Bypass charging | No |
| Yes (67% in 30 min) | Fast charging | Yes (72% in 30 min) |
| 0:48 hr | Full charging time | 0:51 hr |
| 1200 cycles | Battery cycles | 1000 cycles |
| — | Battery life tests | — |
| 12:36 hr | Web browsing | 12:19 hr |
| 20:41 hr | Watching video | 18:43 hr |
| 07:52 hr | Gaming | 06:45 hr |
| 107 hr | Standby | 141 hr |
| 28:23 hr | General battery life | 30:03 hr |
| Laser autofocus | Autofocus | Laser autofocus |
| Optical | Stabilization | Optical |
| — | Ultra-wide lens | — |
| 50 MP | Image resolution | 200 MP |
| f/2.6 | Aperture | f/2.6 |
| 70 mm | Focal length | 100 mm |
| Sony LYT-602 | Sensor | Samsung ISOCELL S5KHP9 |
| 1/1.95 (≈ 0.51 inch) | Sensor size | 1/1.4 (≈ 0.71 inch) |
| 0.8 micron | Pixel size | 0.56 micron |
| Optical | Stabilization | Optical |
| 200 megapixels | Matrix | 50 megapixels |
| 16320 x 12288 | Image resolution | 8192 x 6144 |
| Optical, 3x | Zoom | Optical, 4.3x |
| Dual LED | Flash | Dual LED |
| Optical | Stabilization | Optical |
| No | 8K video recording | Up to 30FPS |
| Up to 120FPS | 4K video recording | Up to 120FPS |
| Up to 60FPS | 1080p video recording | Up to 60FPS |
| 240 FPS (1080p) | Slow motion | 1920 FPS (1080p) |
| 119° | Angle of widest lens | 115° |
| 1) Standard: 200 MP 2) Telephoto: 50 MP 3) Ultrawide: 50 MP | Lenses | 1) Standard: 50 MP 2) Telephoto: 200 MP 3) Telephoto: 50 MP 4) Ultrawide: 50 MP 5) Depth |
| - Bokeh mode - Pro mode | Camera features | - Bokeh mode - Pro mode - RAW support |
| — | Standard lens | — |
| 200 MP | Image resolution | 50 MP |
| f/1.68 | Aperture | f/1.63 |
| 23 mm | Focal length | 23 mm |
| Samsung ISOCELL HPB | Sensor | Sony LYT-900 |
| 1/1.4 (≈ 0.71 inch) | Sensor size | 1/1.0 (≈ 1 inch) |
| 50 megapixels | Megapixels | 32 megapixels |
| 8192 x 6144 | Image resolution | 6528 x 4896 |
| f/2.0 | Aperture | f/2.0 |
| 20 mm | Focal length | 22 mm |
| Samsung S5KJN1 | Sensor | Omnivision OV32B |
| 0.64 micron | Pixel size | 0.7 micron |
| Phase autofocus | Autofocus | No |
| Digital | Stabilization | Digital |
| 2160p (4K) at 60 FPS | Video resolution | 2160p (4K) at 60 FPS |
| No | Depth sensor (TOF 3D) | No |
| Wi-Fi 7 (802.11 a/b/g/n/ac/ax/be) | Wi-Fi standard | Wi-Fi 7 (802.11 a/b/g/n/ac/ax/be) |
| - Dual Band - Wi-Fi MiMO - Wi-Fi Direct - Wi-Fi Hotspot - Wi-Fi Display | Wi-Fi features | - Dual Band - Wi-Fi MiMO - Wi-Fi Direct - Wi-Fi Hotspot - Wi-Fi Display |
| 6 | Bluetooth version | 6 |
| LE | Bluetooth features | LE |
| USB Type-C | USB type | USB Type-C |
| 3.2 | USB version | 3.2 |
| - Charging - USB-Storage mode - OTG | USB features | - Charging - USB-Storage mode - OTG |
| Yes | DisplayPort | Yes |
| GPS, GLONASS, Beidou, Galileo, QZSS, NAVIC | GPS | GPS, GLONASS, Beidou, Galileo, QZSS, NAVIC |
| Yes | NFC* | Yes |
| Yes | Infrared port | Yes |
| — | Network | — |
| Nano | Type of SIM card | Nano |
| Standby | Multi SIM mode | Standby |
| Yes | eSIM support* | Yes |
| No | Hybrid slot | No |
| WCDMA B1/B2/B4/B5/B6/B8/B19 | 3G network | WCDMA 1/2/4/5/6/8/19 |
| LTE B1/B2/B3/B4/B5/B7/B8/B18/B19/B20/B25/B26/B28A/B34/B38/B39/B40/B41/B42/B43/B48/B66 | 4G network | LTE 1/2/3/4/5/7/8/12/17/18/19/20/26/28/34/38/39/40/41/42/48/66 |
| Yes | 5G support | Yes |
| Stereo | Speakers | Stereo |
| No | Headphone audio jack | No |
| No | FM radio | No |
| No | Dolby Atmos | Yes |
| — | Speakers test | — |
| 92.2 dB | Max loudness | 92.1 dB |
| Flagship | Category | Flagship |
| October 2025 | Announced | February 2025 |
| October 2025 | Release date | February 2025 |
| - Proximity sensor - Gyroscope - Accelerometer - Ambient light sensor - Compass - Fingerprint | Sensors | - Barometer - Proximity sensor - Gyroscope - Accelerometer - Ambient light sensor - Compass - Fingerprint |
| Not included | Bundled charger | Yes, 90 W |
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