Xiaomi Poco X8 Pro Max vs OnePlus Ace 6 Ultra
86
out of 100
VS
89
out of 100
Here we compared two smartphones: the 6.83-inch Xiaomi Poco X8 Pro Max (with MediaTek Dimensity 9500s) that was released on March 17, 2026, against the OnePlus Ace 6 Ultra, which is powered by MediaTek Dimensity 9500 and came out 1 month after. 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 Poco X8 Pro Max
- Slow-motion recording at 960FPS
- Supports Dolby Atmos sound technology
- Ready for eSIM technology
Reasons to consider the OnePlus Ace 6 Ultra
- Higher display refresh rate β 165 Hz
- Waterproof body (IP69 classification)
- 13% better performance in AnTuTu Benchmark (3429K versus 3032K)
- Supports higher wattage charging (120W versus 100W)
- 32% faster in single-core GeekBench 6 test: 3600 and 2725 points
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 | 6.83 inches | 6.78 inches |
| Resolution | 1280 x 2772 pixels | 1272 x 2772 pixels |
| Aspect ratio | 19.5:9 | 19.5:9 |
| PPI | 447 ppi | 450 ppi |
| Refresh rate | 120 Hz | 165 Hz |
| Adaptive refresh rate | Yes (30-120 Hz) | Yes |
| Max rated brightness | 2000 nits | 800 nits |
| Max rated brightness in HDR | 3500 nits | 1800 nits |
| HDR support | Yes, Dolby Vision | Yes, Dolby Vision |
| Touch sampling rate | 480 Hz | 300 Hz |
| Screen protection | Corning Gorilla Glass 7i | Crystal Shield Glass |
| Screen-to-body ratio | 90.2% | 89.7% |
| Display features | - DCI-P3 - Always-On Display - DC Dimming |
- DCI-P3 - Always-On Display - DC Dimming |
Peak brightness test (auto)
Design and build
| Height | 162.9 mm (6.41 inches) | 162.5 mm (6.4 inches) |
| Width | 77.9 mm (3.07 inches) | 77.5 mm (3.05 inches) |
| Thickness | 8.2 mm (0.32 inches) | 8.5 mm (0.33 inches) |
| Weight | 218 g (7.69 oz) | 217 g (7.65 oz) |
| Waterproof | IP68 | IP69 |
| Advanced cooling | Vapor chamber | Vapor chamber |
| Rear material | Glass | Glass |
| Frame material | Metal | Metal |
| Colors | White, Black, Blue | Black, Gray |
| Fingerprint scanner | Yes, in-display | Yes, in-display |
| Repairability | Average (2.63/5) | - |
| Drop resistance | Very good (B) Β· 180 drops | - |
Screen-to-body ratio
Performance
| Chipset | MediaTek Dimensity 9500s | MediaTek Dimensity 9500 |
| Max clock | 3730 MHz | 4210 MHz |
| CPU cores | 8 (1 + 3 + 4) | 8 (1 + 3 + 4) |
| Architecture | - 4 cores at 2.4 GHz: Cortex-A720 - 3 cores at 3.3 GHz: Cortex-X4 - 1 core at 3.73 GHz: Cortex-X925 |
- 4 cores at 2.7 GHz: C1-Pro - 3 cores at 3.5 GHz: C1-Premium - 1 core at 4.21 GHz: C1-Ultra |
| L3 cache | 12 MB | 16 MB |
| Manufacturing | TSMC | TSMC |
| Lithography process | 3 nanometers | 3 nanometers |
| Neural processor (NPU) | MediaTek NPU | MediaTek NPU 990 |
| Graphics | Mali-G925 Immortalis MP11 | Mali-G1 Ultra MP12 |
| GPU shading units | 1536 | 1536 |
| GPU clock | 1612 MHz | 1716 MHz |
| FLOPS | ~4952.1 GFLOPS | ~5271.5 GFLOPS |
Benchmarks
Geekbench 6 (Single-Core)
Geekbench 6 (Multi-Core)
Compute Score (GPU)
| Compute Score (GPU) | 20990 | 25593 |
| Single-core score | 2725 | 3600 |
| Multi-core score | 8932 | 10616 |
AnTuTu Benchmark 11
| CPU | 896417 | 1011104 |
| GPU | 1062397 | 1311664 |
| Memory | 451911 | 383286 |
| UX | 621314 | 723814 |
| Total score | 3032039 | 3429868 |
| Samples | [64 tests] | Less than 3 |
AnTuTu 11 Ranking List (109th and 53rd place)
Recent User Tests
Xiaomi Poco X8 Pro Max
| Date | Benchmark | Result |
|---|---|---|
| π 2026-10-08 (Exostrider257) | AnTuTu 12 | 3078063 |
| π 2026-10-03 (Van Viet) | AnTuTu 12 | 2780867 |
| π 2026-09-26 (RuL) | AnTuTu 12 | 3308269 |
| π 2026-09-24 (RuL) | Geekbench 7 GPU | 18202 |
| π 2026-09-24 (RuL) | Geekbench 7 CPU | 2460 / 7817 |
OnePlus Ace 6 Ultra
| Date | Benchmark | Result |
|---|---|---|
| π 2026-09-26 (Ghoul) | AnTuTu 12 | 3633640 |
Memory
| RAM size | 12 GB | 12 GB |
| Memory type | LPDDR5X | LPDDR5X |
| Memory clock | - | 5333 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 16 | Android 16 |
| ROM | HyperOS 3.0 | ColorOS 16 |
| OS updates | 5 years | - |
| Security updates | 6 years | - |
Battery
| Capacity | 8500 mAh | 8600 mAh |
| Max charge power | 100 W | 120 W |
| Battery type | Silicon-Carbon (Si/C) | Silicon-Carbon (Si/C) |
| Replaceable | No | No |
| Wireless charging | No | No |
| Reverse charging | Yes | Yes |
| Bypass charging | No | Yes |
| Fast charging | Yes (65% in 30 min) | Yes |
| Full charging time | 0:52 hr | - |
| Battery cycles | 1000 cycles | - |
| Web browsing | 18:13 hr | - |
| Watching video | 30:00 hr | - |
| Gaming | 11:54 hr | - |
| Standby | 157 hr | - |
General battery life
Smartphones With Long Battery Life (#3rd place)
Main camera
| Matrix | 50 megapixels | 50 megapixels |
| Image resolution | 8192 x 6144 | 8192 x 6144 |
| Zoom | Digital | Digital |
| Flash | Dual LED | Dual LED |
| Stabilization | Optical | Optical |
| 8K video recording | No | No |
| 4K video recording | Up to 60FPS | Up to 120FPS |
| 1080p video recording | Up to 60FPS | Up to 60FPS |
| Slow motion | 960 FPS (1080p) | 240 FPS (1080p) |
| Angle of widest lens | - | 112Β° |
| Lenses | 1) Standard: 50 MP 2) Ultrawide: 8 MP |
1) Standard: 50 MP 2) Ultrawide: 8 MP |
| Camera features | - Bokeh mode - Pro mode |
- Bokeh mode - Pro mode - RAW support |
| Image resolution | 50 MP | 50 MP |
| Aperture | f/1.5 | f/1.8 |
| Focal length | 26 mm | 23 mm |
| Sensor | Omnivision Light Fusion 600 | - |
| Sensor size | 1/1.95" (β 0.51 inch) | 1/1.55" (β 0.65 inch) |
| Pixel size | 0.8 micron | 1 micron |
| Autofocus | Phase autofocus | Phase autofocus |
| Stabilization | Optical | Optical |
| Image resolution | 8 MP | 8 MP |
| Aperture | f/2.2 | f/2.2 |
| Focal length | 15 mm | 16 mm |
| Sensor | SmartSens SC821CS | - |
| Sensor size | 1/4.0" (β 0.25 inch) | - |
| Pixel size | 1.12 micron | 1.12 micron |
| Stabilization | Digital | Digital |
Selfie camera
| Megapixels | 20 megapixels | 16 megapixels |
| Image resolution | 5184 x 3888 | 4608 x 3456 |
| Aperture | f/2.2 | f/2.4 |
| Focal length | 25 mm | 23 mm |
| Sensor | OmniVision OV20B | - |
| Sensor size | 1/4.0" (β 0.25 inch) | 1/3" (β 0.33 inch) |
| Pixel size | 0.7 micron | - |
| Autofocus | No | No |
| Stabilization | Digital | Digital |
| Video resolution | 1080p (Full HD) at 60 FPS | 1080p (Full HD) at 30 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 | 2 | 2 |
| USB features | - Charging - USB-Storage mode - OTG |
- Charging - USB-Storage mode - OTG |
| DisplayPort | No | No |
| GPS | GPS, GLONASS, Beidou, Galileo, QZSS, NAVIC | GPS, GLONASS, Beidou, Galileo, QZSS |
| NFC* | Depends on the region | Yes |
| Infrared port | Yes | Yes |
| Number of SIM* | 2 | 2 |
| Type of SIM card | Nano | Nano |
| Multi SIM mode | Standby | Standby |
| eSIM support* | Yes | No |
| Hybrid slot | No | No |
| 5G support | Yes | Yes |
Sound
| Speakers | Stereo | Stereo |
| Headphone audio jack | No | No |
| FM radio | No | No |
| Dolby Atmos | Yes | No |
Other
| Category | Mid-range | Flagship |
| Announced | March 2026 | April 2026 |
| Release date | March 2026 | April 2026 |
| Launch price (MSRP) | $429 | $555 |
| Sensors | - Proximity sensor - Gyroscope - Accelerometer - Ambient light sensor - Compass - Fingerprint |
- Proximity sensor - Gyroscope - Accelerometer - Ambient light sensor - Compass - Fingerprint |
| Bundled charger | Yes, 100 W | Yes, 120 W |
*Disclaimer! NFC, GSM network support, and some other specs can be different depending on the country.
Conclusion
If the camera, performance, and gaming are more important to you, then choose the OnePlus Ace 6 Ultra. But if the sound is more of a priority β go for the Xiaomi Poco X8 Pro Max.
Cast your vote
Total votes: 32
