Xiaomi 18 Pro Max vs Vivo X300 Ultra
Here we compared two flagship smartphones: the 6.9-inch Xiaomi 18 Pro Max (with Qualcomm Snapdragon 8 Elite Extreme Gen 6) that was released on September 23, 2026, against the Vivo X300 Ultra, which is powered by Qualcomm Snapdragon 8 Elite Gen 5 and came out 6 months before. On this page, you will find tests, full specs, strengths, and weaknesses of each of the devices.
Select the amount of RAM to evaluate performance and value for money more precisely
Key differences
Reasons to consider the Xiaomi 18 Pro Max
- Comes with 1900 mAh larger battery capacity: 8500 vs 6600 mAh
- Slow-motion recording at 1920FPS
- 18% better performance in AnTuTu Benchmark (5001K versus 4247K)
- More recent OS version: Android 17 versus 16
Reasons to consider the Vivo X300 Ultra
- Higher display refresh rate β 144 Hz
- The rear camera has a 3.7x optical zoom
- Waterproof body (IP69 classification)
- 22% higher pixel density (510 vs 418 PPI)
- Ready for eSIM technology
Review
Display
Screen quality, color accuracy, brightness
Camera
Photo and video recording quality
Performance
CPU and memory performance (apps, system)
Gaming
Capabilities for playing modern games
Battery
Battery life, charging type and speed
Connectivity
Networks, ports, data transmission
Scores with a red asterisk (*) are approximate and may change in the future as we gather more data.
Select your primary usage scenario to get a more accurate NanoReview Score
Value for money (Beta)
Tests and specifications
Comparison table of technical specifications and testsDisplay
| Type | AMOLED | AMOLED |
| Size | 6.9 inches | 6.82 inches |
| Resolution | 1208 x 2624 pixels | 1440 x 3168 pixels |
| Aspect ratio | 19.5:9 | 19.8:9 |
| PPI | 418 ppi | 510 ppi |
| Refresh rate | 120 Hz | 144 Hz |
| Adaptive refresh rate | Yes (1-120 Hz) | Yes (1-144 Hz) |
| Max rated brightness | 1200 nits | 1800 nits |
| Max rated brightness in HDR | 4000 nits | 4500 nits |
| HDR support | Yes, Dolby Vision | Yes, Dolby Vision |
| Touch sampling rate | 300 Hz | - |
| Screen protection | Dragon Crystal Glass 3 | Armor glass |
| Screen-to-body ratio | 92.1% | 90.3% |
| Display features | - DCI-P3 - Always-On Display - DC Dimming |
- DCI-P3 - Always-On Display - DC Dimming |
| RGB color space | - | 99.8% |
| PWM | - | 110 Hz |
| Response time | - | 1 ms |
| Contrast | - | β Infinity |
Peak brightness test (auto)
Design and build
| Height | 163.39 mm (6.43 inches) | 162.98 mm (6.42 inches) |
| Width | 77.6 mm (3.06 inches) | 76.81 mm (3.02 inches) |
| Thickness | 8.39 mm (0.33 inches) | 8.49 mm (0.33 inches) |
| Weight | 235 g (8.29 oz) | 232 g (8.18 oz) |
| Waterproof | IP68 | IP69 |
| Advanced cooling | Vapor chamber | Vapor chamber |
| Rear material | Plastic | Glass |
| Frame material | Metal | Metal |
| Colors | White, Black, Blue, Red, Pink | White, Black, Green |
| Fingerprint scanner | Yes, in-display | Yes, in-display |
| Repairability | - | Good (3/5) |
| Drop resistance | - | Very good (B) Β· 180 drops |
Screen-to-body ratio
Performance
| Chipset | Qualcomm Snapdragon 8 Elite Extreme Gen 6 | Qualcomm Snapdragon 8 Elite Gen 5 |
| Max clock | 5010 MHz | 4608 MHz |
| CPU cores | 8 (2 + 3 + 3) | 8 (2 + 6) |
| Architecture | - 3 cores at 3.74 GHz: - 3 cores at 4.03 GHz: - 2 cores at 5.01 GHz: |
- 6 cores at 3.63 GHz: Oryon Gen 3 Performance - 2 cores at 4.74 GHz: Oryon Gen 3 Prime |
| L3 cache | - | 12 MB |
| Manufacturing | TSMC | TSMC |
| Lithography process | 2 nanometers | 3 nanometers |
| Neural processor (NPU) | Hexagon | Hexagon |
| Graphics | Adreno 850 | Adreno 840 |
| GPU shading units | 1536 | 1536 |
| GPU clock | 1450 MHz | 1300 MHz |
| FLOPS | ~4454.4 GFLOPS | ~3993.6 GFLOPS |
Benchmarks
Geekbench 6 (Single-Core)
Geekbench 6 (Multi-Core)
Compute Score (GPU)
| Compute Score (GPU) | - | 27357 |
| Single-core score | 3762 | 3784 |
| Multi-core score | 11459 | 11394 |
AnTuTu Benchmark 11
| CPU | 1431500 | 1192014 |
| GPU | 1947800 | 1543938 |
| Memory | 500900 | 525105 |
| UX | 1121034 | 986376 |
| Total score | 5001234 | 4247433 |
| Samples | Less than 3 | [2 tests] |
AnTuTu 11 Ranking List (3rd and 12th place)
Recent User Tests
Xiaomi 18 Pro Max
No benchmark results yet
Vivo X300 Ultra
| Date | Benchmark | Result |
|---|---|---|
| π 2026-09-12 (InphaseCosine18) | AnTuTu 12 | 4098185 |
| π 2026-09-06 (Dipshit6769) | AnTuTu 11 | 3835023 |
| π 2026-08-17 (Razor97FF) | Geekbench 6 CPU | 3784 / 11394 |
| π 2026-08-17 (Razor97FF) | AnTuTu 11 | 4175239 |
| π 2026-04-28 (Razor97FF) | AnTuTu 11 | 4247433 |
Memory
| RAM size | 12 GB | 12 GB |
| Memory type | LPDDR5X | LPDDR5X |
| Memory clock | - | 5300 MHz |
| Channels | 4 | 4 |
| Storage size | 256 GB | 256 GB |
| Storage type | UFS 4.1 | UFS 4.1 |
| Memory card | No | No |
Software
| Operating system | Android 17 | Android 16 |
| ROM | HyperOS 4 | OriginOS 6 |
| OS size | - | 60 GB |
| OS updates | 6 years | 5 years |
| Security updates | 6 years | 7 years |
Battery
| Capacity | 8500 mAh | 6600 mAh |
| Max charge power | 100 W | 100 W |
| Battery type | Silicon-Carbon (Si/C) | Silicon-Carbon (Si/C) |
| Replaceable | No | No |
| Wireless charging | Yes (50 W) | Yes (40 W) |
| Reverse charging | Yes, (wireless) | Yes |
| Bypass charging | Yes | Yes |
| Fast charging | Yes | Yes (66% in 30 min) |
| Full charging time | - | 0:46 hr |
| Battery cycles | - | 1200 cycles |
| Web browsing | - | 10:18 hr |
| Watching video | - | 20:51 hr |
| Gaming | - | 06:43 hr |
| Standby | - | 137 hr |
General battery life
Smartphones With Long Battery Life (#59th place)
Main camera
| Matrix | 200 megapixels | 200 megapixels |
| Image resolution | - | 16320 x 12256 |
| Zoom | Optical, 3.2x | Optical, 3.7x |
| Flash | Dual LED | Dual LED |
| Stabilization | Optical | Optical |
| 8K video recording | Up to 30FPS | Up to 30FPS |
| 4K video recording | Up to 120FPS | Up to 120FPS |
| 1080p video recording | Up to 60FPS | Up to 120FPS |
| Slow motion | 1920 FPS (720p) | 240 FPS (1080p) |
| Angle of widest lens | 102Β° | 116Β° |
| Lenses | 1) Standard: 200 MP 2) Telephoto: 200 MP 3) Ultrawide: 50 MP |
1) Standard: 200 MP 2) Telephoto: 200 MP 3) Ultrawide: 50 MP |
| Camera features | - Bokeh mode - Pro mode - RAW support |
- Bokeh mode - Pro mode - RAW support |
| Image resolution | 200 MP | 200 MP |
| Aperture | f/1.7 | f/1.9 |
| Focal length | 23 mm | 35 mm |
| Sensor | - | Sony LYT-901 |
| Sensor size | 1/1.28" (β 0.78 inch) | 1/1.12" (β 0.89 inch) |
| Pixel size | 0.61 micron | 0.7 micron |
| Autofocus | Laser autofocus | Laser autofocus |
| Stabilization | Optical | Optical |
| Image resolution | 200 MP | 200 MP |
| Aperture | f/2.4 | f/2.7 |
| Focal length | 75 mm | 85 mm |
| Sensor | Samsung ISOCELL HP5 | Samsung ISOCELL HP0 |
| Sensor size | 1/1.56" (β 0.64 inch) | 1/1.4" (β 0.71 inch) |
| Pixel size | 0.8 micron | 0.56 micron |
| Stabilization | Optical | Optical |
| Image resolution | 50 MP | 50 MP |
| Aperture | f/2.4 | f/2.0 |
| Focal length | 17 mm | 14 mm |
| Sensor | OmniVision OV50M40 | Sony LYT-818 |
| Sensor size | 1/2.88" (β 0.35 inch) | 1/1.28" (β 0.78 inch) |
| Pixel size | 0.61 micron | 1.22 micron |
| Stabilization | Digital | Optical |
DxOMark main camera tests
Photo quality
Video quality
Generic main camera score
| Bokeh | - | 180 |
| Zoom | - | 172 |
| Samples | - | Photo samples of Vivo X300 Ultra from DxOMark |
Selfie camera
| Megapixels | 50 megapixels | 50 megapixels |
| Image resolution | 8192 x 6144 | 8192 x 6144 |
| Aperture | f/2.2 | f/2.5 |
| Focal length | 21 mm | 24 mm |
| Sensor | OmniVision OV50M40 | Samsung ISOCELL JN5 |
| Sensor size | 1/2.88" (β 0.35 inch) | 1/2.76" (β 0.36 inch) |
| Pixel size | 0.61 micron | 0.64 micron |
| Autofocus | Phase autofocus | Phase autofocus |
| Stabilization | Digital | Digital |
| Video resolution | 2160p (4K) at 60 FPS | 2160p (4K) at 60 FPS |
| Depth sensor (TOF 3D) | No | No |
Connectivity
| Wi-Fi standard | Wi-Fi 7 (802.11 a/b/g/n/ac/ax/be) | Wi-Fi 7 (802.11 a/b/g/n/ac/ax/be) |
| Wi-Fi features | - Dual Band - Wi-Fi MiMO - Wi-Fi Direct - Wi-Fi Hotspot - Wi-Fi Display |
- Dual Band - Wi-Fi MiMO - Wi-Fi Direct - Wi-Fi Hotspot - Wi-Fi Display |
| Bluetooth version | 6.0 | 6.0 |
| Bluetooth features | LE | LE |
| USB type | USB Type-C | USB Type-C |
| USB version | 3.2 | 3.2 |
| USB features | - Charging - USB-Storage mode - OTG |
- Charging - USB-Storage mode - OTG |
| DisplayPort | Yes | Yes |
| GPS | GPS, GLONASS, Beidou, Galileo, QZSS, NAVIC | GPS, GLONASS, Beidou, Galileo, QZSS |
| NFC* | Yes | Yes |
| Infrared port | Yes | Yes |
| Number of SIM* | 2 | 2 |
| Type of SIM card | Nano | Nano |
| Multi SIM mode | Standby | Standby |
| eSIM support* | No | Yes |
| Hybrid slot | No | No |
| 5G support | Yes | Yes |
Sound
| Speakers | 2.1 | Stereo |
| Headphone audio jack | No | No |
| FM radio | No | No |
| Dolby Atmos | Yes | Yes |
Speakers test
Max loudness
Other
| Category | Flagship | Flagship |
| Announced | September 2026 | March 2026 |
| Release date | September 2026 | April 2026 |
| Launch price (MSRP) | $1299 | $1199 |
| SAR (head) | - | 0.99 W/kg |
| SAR (body) | - | 1.29 W/kg |
| Sensors | - Barometer - Proximity sensor - Gyroscope - Accelerometer - Ambient light sensor - Compass - Fingerprint |
- Proximity sensor - Gyroscope - Accelerometer - Ambient light sensor - Compass - Fingerprint |
| Bundled charger | Yes, 100 W | Not included |
*Disclaimer! NFC, GSM network support, and some other specs can be different depending on the country.
Conclusion
If the battery life and software are more important to you, then choose the Xiaomi 18 Pro Max. But if the display is more of a priority β go for the Vivo X300 Ultra.
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