Xiaomi Poco X6 Pro vs 15 Ultra
64
out of 100
VS
90
out of 100
Here we compared two smartphones: the 6.67-inch Xiaomi Poco X6 Pro (with MediaTek Dimensity 8300 Ultra) that was released on January 11, 2024, against the Xiaomi 15 Ultra, which is powered by Qualcomm Snapdragon 8 Elite and came out 1 year and 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 X6 Pro
- Weighs 40 grams less
Reasons to consider the Xiaomi 15 Ultra
- The rear camera has a 4.3x optical zoom
- 89% better performance in AnTuTu Benchmark (3030K versus 1604K)
- Shows 41% longer battery life (30:03 vs 21:20 hours)
- Delivers 39% higher peak brightness (1609 against 1154 nits)
- Has 50% more RAM: 12GB versus 8GB
- Handles wireless charging up to 80W
- Newer Bluetooth version (v6.0)
- Waterproof body (IP68 classification)
- Supports higher wattage charging (90W versus 67W)
- Compatible with Wi-Fi 7 wireless networks
- 17% higher pixel density (522 vs 446 PPI)
- The phone is 1 year and 1 month newer
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
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Value for money (Beta)
Tests and specifications
Comparison table of technical specifications and testsDisplay
| Type | AMOLED | AMOLED |
| Size | 6.67 inches | 6.73 inches |
| Resolution | 1220 x 2712 pixels | 1440 x 3200 pixels |
| Aspect ratio | 20:9 | 20:9 |
| PPI | 446 ppi | 522 ppi |
| Refresh rate | 120 Hz | 120 Hz |
| Adaptive refresh rate | Yes (30-120 Hz) | Yes (1-120 Hz) |
| Max rated brightness | - | 1600 nits |
| Max rated brightness in HDR | 1800 nits | 3200 nits |
| HDR support | Yes, Dolby Vision | Yes, Dolby Vision |
| Touch sampling rate | 480 Hz | 300 Hz |
| Screen protection | Corning Gorilla Glass 5 | Xiaomi Shield Glass 2.0 |
| Screen-to-body ratio | 90% | 90% |
| Display features | - DCI-P3 - Always-On Display - DC Dimming |
- DCI-P3 - Always-On Display - DC Dimming |
| RGB color space | 99.7% | 99.7% |
| PWM | 1923 Hz | 120 Hz |
| Response time | 1 ms | 1 ms |
| Contrast | ∞ Infinity | ∞ Infinity |
Peak brightness test (auto)
Design and build
| Height | 160.45 mm (6.32 inches) | 161.3 mm (6.35 inches) |
| Width | 74.34 mm (2.93 inches) | 75.3 mm (2.96 inches) |
| Thickness | 8.25 mm (0.32 inches) | 9.35 mm (0.37 inches) |
| Weight | 186 g (6.56 oz) | 226 g (7.97 oz) |
| Waterproof | IP54 | IP68 |
| Advanced cooling | Vapor chamber | Vapor chamber |
| Rear material | Plastic | Glass |
| Frame material | Plastic | Metal |
| Colors | Black, Gray, Yellow | White, Black, Silver, Green |
| Fingerprint scanner | Yes, in-display | Yes, in-display |
| Repairability | - | Average (2.61/5) |
| Drop resistance | - | Good (C) · 90 drops |
Screen-to-body ratio
Performance
| Chipset | MediaTek Dimensity 8300 Ultra | Qualcomm Snapdragon 8 Elite |
| Max clock | 3350 MHz | 4320 MHz |
| CPU cores | 8 (1 + 3 + 4) | 8 (2 + 6) |
| Architecture | - 4 cores at 2.2 GHz: Cortex-A510 - 3 cores at 3.2 GHz: Cortex-A715 - 1 core at 3.35 GHz: Cortex-A715 |
- 6 cores at 3.53 GHz: Oryon (Phoenix M) - 2 cores at 4.32 GHz: Oryon (Phoenix L) |
| L3 cache | 4 MB | 8 MB |
| Manufacturing | TSMC | TSMC |
| Lithography process | 4 nanometers | 3 nanometers |
| Neural processor (NPU) | MediaTek APU 780 | Hexagon |
| Graphics | Mali G615 MC6 | Adreno 830 |
| GPU shading units | 768 | 1536 |
| GPU clock | 1400 MHz | 1100 MHz |
| FLOPS | ~2150.4 GFLOPS | ~3379.2 GFLOPS |
Benchmarks
Geekbench 6 (Single-Core)
Geekbench 6 (Multi-Core)
Compute Score (GPU)
| Compute Score (GPU) | 4929 | 24339 |
| Single-core score | 1370 | 3106 |
| Multi-core score | 4509 | 9710 |
AnTuTu Benchmark 11
| CPU | 482670 | 912791 |
| GPU | 432750 | 1097348 |
| Memory | 299238 | 440343 |
| UX | 389647 | 579894 |
| Total score | 1604305 | 3030376 |
| Samples | [70 tests] | [12 tests] |
3DMark Steel Nomad Light
| Stability | 85% | 76% |
| Graphics test | 6 FPS | 16 FPS |
| Graphics score | 852 | 2151 |
3DMark Solar Bay
| Graphics test | 13 FPS | 37 FPS |
| Section 1 | 14 FPS | 42 FPS |
| Section 2 | 13 FPS | 38 FPS |
| Section 3 | 11 FPS | 32 FPS |
| Graphics score | 3458 | 9815 |
3DMark Wild Life Extreme
| Stability | - | 85% |
| Graphics test | - | 33 FPS |
| Graphics score | - | 5626 |
PCMark 3.0
| Web score | 14649 | 19993 |
| Video editing | 6419 | 8213 |
| Photo editing | 23328 | 36597 |
| Data manipulation | 12555 | 17882 |
| Writing score | 18403 | 22481 |
AnTuTu 11 Ranking List (#110th place)
Recent User Tests
Xiaomi Poco X6 Pro
| Date | Benchmark | Result |
|---|---|---|
| 📘 2026-10-04 (Putrz) | AnTuTu 11 | 1440126 |
| 📘 2026-10-02 -> uravinq | AnTuTu 12 | 1745585 |
| 📘 2026-10-01 (Michael Cheng) | AnTuTu 12 | 1933824 |
| 📘 2026-09-28 (Müller) | AnTuTu 12 | 1893547 |
| 📘 2026-09-28 (Johan) | AnTuTu 12 | 1773722 |
Xiaomi 15 Ultra
| Date | Benchmark | Result |
|---|---|---|
| 📘 2026-09-27 (dmxsan) | AnTuTu 12 | 3059557 |
| 📘 2026-07-07 (average f-4 enjoyer) | AnTuTu 11 | 2993761 |
| 📘 2026-06-28 (Mansur) | Battery life | SOT 12:59 / 16:48 |
| 📘 2026-02-22 (XX5mipiXX) | AnTuTu 11 | 3108699 |
| 📘 2026-01-27 -> MiEmirr | Geekbench 6 CPU | 3127 / 9465 |
Memory
| RAM size | 8 GB | 12 GB |
| Memory type | LPDDR5X | LPDDR5X |
| Memory clock | 4200 MHz | 5300 MHz |
| Channels | 4 | 4 |
| Storage size | 256 GB | 256 GB |
| Storage type | UFS 4.0 | UFS 4.1 |
| Memory card | No | No |
Software
| Operating system | Android 14 (Can be upgraded to Android 16) | Android 15 (Can be upgraded to Android 16) |
| ROM | HyperOS 3 | HyperOS 3.0 |
| OS size | 36 GB | 23.9 GB |
| OS updates | 2 years | 4 years |
| Security updates | 2 years | 7 years |
Battery
| Capacity | 5000 mAh | 5410 mAh |
| Max charge power | 67 W | 90 W |
| Battery type | Li-Po | Silicon-Carbon (Si/C) |
| Replaceable | No | No |
| Wireless charging | No | Yes (80 W) |
| Reverse charging | No | Yes, (wireless) |
| Bypass charging | No | No |
| Fast charging | Yes (50% in 18 min) | Yes (72% in 30 min) |
| Full charging time | 0:45 hr | 0:51 hr |
| Battery cycles | - | 1000 cycles |
| Web browsing | 08:53 hr | 12:19 hr |
| Watching video | 12:36 hr | 18:43 hr |
| Gaming | 05:17 hr | 06:45 hr |
| Standby | 101 hr | 141 hr |
General battery life
Smartphones With Long Battery Life (#45th place)
Main camera
| Matrix | 64 megapixels | 50 megapixels |
| Image resolution | 9000 x 7000 | 8192 x 6144 |
| Zoom | Digital | Optical, 4.3x |
| Flash | LED | Dual LED |
| Stabilization | Optical | Optical |
| 8K video recording | No | Up to 30FPS |
| 4K video recording | Up to 30FPS | Up to 120FPS |
| 1080p video recording | Up to 60FPS | Up to 60FPS |
| Slow motion | 1920 FPS (720p) | 1920 FPS (1080p) |
| Angle of widest lens | 120° | 115° |
| Lenses | 1) Standard: 64 MP 2) Ultrawide: 8 MP 3) Macro: 2 MP |
1) Standard: 50 MP 2) Telephoto: 200 MP 3) Telephoto: 50 MP 4) Ultrawide: 50 MP 5) Depth |
| Camera features | - Bokeh mode - Pro mode |
- Bokeh mode - Pro mode - RAW support |
| Image resolution | 64 MP | 50 MP |
| Aperture | f/1.7 | f/1.63 |
| Focal length | 25 mm | 23 mm |
| Sensor | Omnivision OV64B | Sony LYT-900 |
| Sensor size | 1/2" (≈ 0.5 inch) | 1/1.0" (≈ 1 inch) |
| Pixel size | 0.7 micron | 1.6 micron |
| Autofocus | Phase autofocus | Laser autofocus |
| Stabilization | Optical | Optical |
| Image resolution | - | 200 MP |
| Aperture | - | f/2.6 |
| Focal length | - | 100 mm |
| Sensor | - | Samsung ISOCELL S5KHP9 |
| Sensor size | - | 1/1.4" (≈ 0.71 inch) |
| Pixel size | - | 0.56 micron |
| Stabilization | - | Optical |
| Image resolution | 8 MP | 50 MP |
| Aperture | f/2.2 | f/2.2 |
| Focal length | - | 14 mm |
| Sensor | Omnivision OV08D10 | Samsung S5KJN5 |
| Sensor size | 1/4" (≈ 0.25 inch) | 1/2.76" (≈ 0.36 inch) |
| Pixel size | 1.12 micron | 0.64 micron |
| Stabilization | Digital | Digital |
| Image resolution | 2 MP | - |
| Aperture | f/2.4 | - |
| Sensor | Smartsens SC202PCS | - |
| Sensor size | 1/4" (≈ 0.25 inch) | - |
| Pixel size | 1.12 micron | - |
| Stabilization | Digital | - |
DxOMark main camera tests
Photo quality
Video quality
Generic main camera score
| Bokeh | - | 170 |
| Preview | - | 89 |
| Zoom | - | 166 |
| Samples | - | Photo samples of Xiaomi 15 Ultra from DxOMark |
Selfie camera
| Megapixels | 16 megapixels | 32 megapixels |
| Image resolution | 4608 x 3456 | 6528 x 4896 |
| Aperture | f/2.6 | f/2.0 |
| Focal length | - | 22 mm |
| Sensor | Omnivision OV16A1Q | Omnivision OV32B |
| Sensor size | 1/3.06" (≈ 0.33 inch) | 1/3.14" (≈ 0.32 inch) |
| Pixel size | 1 micron | 0.7 micron |
| Autofocus | No | No |
| Stabilization | Digital | Digital |
| Video resolution | 1080p (Full HD) at 60 FPS | 2160p (4K) at 60 FPS |
| Depth sensor (TOF 3D) | No | No |
Connectivity
| Wi-Fi standard | Wi-Fi 6 (802.11 a/b/g/n/ac/ax) | 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 | 5.4 | 6.0 |
| Bluetooth features | LE | LE |
| USB type | USB Type-C | USB Type-C |
| USB version | 2 | 3.2 |
| USB features | - Charging - USB-Storage mode - OTG |
- Charging - USB-Storage mode - OTG |
| DisplayPort | No | Yes |
| GPS | GPS, GLONASS, Beidou, Galileo, QZSS | GPS, GLONASS, Beidou, Galileo, QZSS, NAVIC |
| 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* | No | Yes |
| Hybrid slot | No | No |
| 5G support | Yes | Yes |
Sound
| Speakers | Stereo | Stereo |
| Headphone audio jack | No | No |
| FM radio | No | No |
| Dolby Atmos | Yes | Yes |
Speakers test
Max loudness
Other
| Category | Mid-range | Flagship |
| Announced | January 2024 | February 2025 |
| Release date | January 2024 | February 2025 |
| Launch price (MSRP) | $299 | $1099 |
| Successor | - Xiaomi Poco X8 Pro Max | - Xiaomi 17 Ultra |
| Sensors | - Gyroscope - Accelerometer - Ambient light sensor - Compass - Fingerprint |
- Barometer - Proximity sensor - Gyroscope - Accelerometer - Ambient light sensor - Compass - Fingerprint |
| Bundled charger | Yes, 67 W | Yes, 90 W |
Further details
Notes on Poco X6 Pro:
- There is an eco-leather version of the X6 Pro that is 4 grams heavier and 0.10 mm thicker.
Notes on 15 Ultra:
- The Chinese version of the Xiaomi 15 Ultra has a 6000 mAh battery, while the international model comes with 5410 mAh, leading to a noticeable difference in battery life.
*Disclaimer! NFC, GSM network support, and some other specs can be different depending on the country.
Conclusion
After analyzing all the data, we think that the Xiaomi 15 Ultra is definitely a better buy.
Cast your vote
Total votes: 15