Xiaomi Poco F8 Ultra vs Vivo iQOO 15T
90
out of 100
VS
90
out of 100
Here we compared two flagship smartphones: the 6.9-inch Xiaomi Poco F8 Ultra (with Qualcomm Snapdragon 8 Elite Gen 5) that was released on November 26, 2025, against the Vivo iQOO 15T, which is powered by MediaTek Dimensity 9500 Monster and came out 6 months after. On this page, you will find tests, full specs, strengths, and weaknesses of each of the devices.
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Key differences
Reasons to consider the Xiaomi Poco F8 Ultra
- The rear camera has a 5x optical zoom
- Handles wireless charging up to 50W
- Slow-motion recording at 1920FPS
- Supports Dolby Atmos sound technology
- The front-facing camera can record video at 4K
- Ready for eSIM technology
Reasons to consider the Vivo iQOO 15T
- Comes with 1500 mAh larger battery capacity: 8000 vs 6500 mAh
- Higher display refresh rate β 144 Hz
- Waterproof body (IP69 classification)
- 22% better performance in AnTuTu Benchmark (4704K versus 3862K)
- 23% higher pixel density (510 vs 416 PPI)
- The phone is 6 months 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
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 | 1200 x 2608 pixels | 1440 x 3168 pixels |
| Aspect ratio | 19.5:9 | 20:9 |
| PPI | 416 ppi | 510 ppi |
| Refresh rate | 120 Hz | 144 Hz |
| Adaptive refresh rate | Yes (60-120 Hz) | Yes |
| Max rated brightness | 2000 nits | 1800 nits |
| Max rated brightness in HDR | 3500 nits | 4500 nits |
| HDR support | Yes, Dolby Vision | Yes, Dolby Vision |
| Touch sampling rate | 480 Hz | 300 Hz |
| Screen protection | Poco Shield Glass | Tempered glass |
| Screen-to-body ratio | 91.9% | 89.6% |
| Display features | - DCI-P3 - Always-On Display - DC Dimming |
- DCI-P3 - Always-On Display - DC Dimming |
| RGB color space | 99.6% | - |
| PWM | 120 Hz | - |
| Response time | 1 ms | - |
| Contrast | β Infinity | - |
Peak brightness test (auto)
Design and build
| Height | 163.33 mm (6.43 inches) | 163.4 mm (6.43 inches) |
| Width | 77.82 mm (3.06 inches) | 76.7 mm (3.02 inches) |
| Thickness | 7.9 mm (0.31 inches) | 8.3 mm (0.33 inches) |
| Weight | 218 g (7.69 oz) | 216 g (7.62 oz) |
| Waterproof | IP68 | IP69 |
| Advanced cooling | Vapor chamber | Vapor chamber |
| Rear material | - | Glass |
| Frame material | Metal | Metal |
| Colors | White, Black, Blue | White, Black, Blue, Purple |
| Fingerprint scanner | Yes, in-display | Yes, in-display |
| Repairability | Average (2.63/5) | - |
| Drop resistance | Excellent (A) Β· 270 drops | - |
Screen-to-body ratio
Performance
| Chipset | Qualcomm Snapdragon 8 Elite Gen 5 | MediaTek Dimensity 9500 Monster |
| Max clock | 4600 MHz | 4210 MHz |
| CPU cores | 8 (2 + 6) | 8 (1 + 3 + 4) |
| Architecture | - 6 cores at 3.63 GHz: Oryon Gen 3 Performance - 2 cores at 4.74 GHz: Oryon Gen 3 Prime |
- 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) | Hexagon | MediaTek NPU 990 |
| Graphics | Adreno 840 | Mali-G1 Ultra MP12 |
| GPU shading units | 1536 | 1536 |
| GPU clock | 1300 MHz | 1716 MHz |
| FLOPS | ~3993.6 GFLOPS | ~5271.5 GFLOPS |
Benchmarks
Geekbench 6 (Single-Core)
Geekbench 6 (Multi-Core)
Compute Score (GPU)
| Compute Score (GPU) | 27501 | 23147 |
| Single-core score | 3604 | 3507 |
| Multi-core score | 10752 | 10634 |
AnTuTu Benchmark 11
| CPU | 1113289 | 1310391 |
| GPU | 1452771 | 1671982 |
| Memory | 507250 | 743018 |
| UX | 789604 | 981973 |
| Total score | 3862914 | 4704310 |
| Samples | [36 tests] | Less than 3 |
AnTuTu 11 Ranking List (37th and 11th place)
Recent User Tests
Xiaomi Poco F8 Ultra
| Date | Benchmark | Result |
|---|---|---|
| π 2026-09-27 (Johnnis) | AnTuTu 12 | 3903835 |
| π 2026-09-25 (ΠΠ°ΠΏΠΊΠ°) | AnTuTu 12 | 3944588 |
| π 2026-09-22 -> Chubzuey | AnTuTu 12 | 4214043 |
| π 2026-09-13 -> Chubzuey | AnTuTu 12 | 4143093 |
| π 2026-09-04 (Bestiqooguyidk) | AnTuTu 11 | 3812038 |
Vivo iQOO 15T
| Date | Benchmark | Result |
|---|---|---|
| π 2026-07-20 -> fire | AnTuTu 11 | 4704310 |
Memory
| RAM size | 12 GB | 12 GB |
| Memory type | LPDDR5X | LPDDR5X |
| Memory clock | 5300 MHz | 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 | OriginOS 6 |
| OS size | 36 GB | - |
| OS updates | 4 years | 5 years |
| Security updates | 6 years | 7 years |
Battery
| Capacity | 6500 mAh | 8000 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) | No |
| Reverse charging | Yes, (wireless) | Yes |
| Bypass charging | No | Yes |
| Fast charging | Yes (78% in 15 min) | Yes |
| Full charging time | 0:39 hr | - |
| Battery cycles | 1000 cycles | - |
| Web browsing | 15:14 hr | - |
| Watching video | 22:44 hr | - |
| Gaming | 08:06 hr | - |
| Standby | 124 hr | - |
General battery life
Smartphones With Long Battery Life (#25th place)
Main camera
| Matrix | 50 megapixels | 200 megapixels |
| Image resolution | 8192 x 6144 | 16320 x 12288 |
| Zoom | Optical, 5x | Digital |
| Flash | Dual LED | Dual LED |
| Stabilization | Optical | Optical |
| 8K video recording | Up to 30FPS | Up to 30FPS |
| 4K video recording | Up to 60FPS | Up to 60FPS |
| 1080p video recording | Up to 60FPS | Up to 60FPS |
| Slow motion | 1920 FPS (720p) | 240 FPS (1080p) |
| Angle of widest lens | 102Β° | - |
| Lenses | 1) Standard: 50 MP 2) Telephoto: 50 MP 3) Ultrawide: 50 MP |
1) Standard: 200 MP 2) Ultrawide: 50 MP |
| Camera features | - Bokeh mode - Pro mode - RAW support |
- Bokeh mode - Pro mode |
| Image resolution | 50 MP | 200 MP |
| Aperture | f/1.7 | f/1.9 |
| Focal length | 23 mm | - |
| Sensor | Omnivision Light Hunter 950 | - |
| Sensor size | 1/1.31" (β 0.76 inch) | 1/1.56" (β 0.64 inch) |
| Pixel size | 1.2 micron | 0.5 micron |
| Autofocus | Phase autofocus (Dual Pixel) | Laser autofocus |
| Stabilization | Optical | Optical |
| Image resolution | 50 MP | - |
| Aperture | f/3.0 | - |
| Focal length | 115 mm | - |
| Sensor | Samsung S5KJN5 | - |
| Sensor size | 1/2.76" (β 0.36 inch) | - |
| Pixel size | 0.64 micron | - |
| Stabilization | Optical | - |
| Image resolution | 50 MP | 50 MP |
| Aperture | f/2.4 | f/2.0 |
| Focal length | 18 mm | 15 mm |
| Sensor | OmniVision OV50M40 | Samsung S5KJN5 |
| Sensor size | 1/2.88" (β 0.35 inch) | 1/2.76" (β 0.36 inch) |
| Pixel size | 0.61 micron | 0.64 micron |
| Stabilization | Digital | Digital |
Selfie camera
| Megapixels | 32 megapixels | 16 megapixels |
| Aperture | f/2.2 | f/2.5 |
| Focal length | 21 mm | - |
| Sensor | OmniVision OV32D | - |
| Sensor size | 1/3.44" (β 0.29 inch) | - |
| Pixel size | 0.64 micron | - |
| Autofocus | No | Phase autofocus |
| Stabilization | Digital | Digital |
| Video resolution | 2160p (4K) at 30 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 | 3.2 | 2 |
| USB features | - Charging - USB-Storage mode - OTG |
- Charging - USB-Storage mode - OTG |
| DisplayPort | Yes | 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 | 2.1 | Stereo |
| Headphone audio jack | No | No |
| FM radio | No | No |
| Dolby Atmos | Yes | No |
Speakers test
Max loudness
Other
| Category | Flagship | Flagship |
| Announced | November 2025 | May 2026 |
| Release date | November 2025 | May 2026 |
| Launch price (MSRP) | $729 | $560 |
| 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, 100 W |
*Disclaimer! NFC, GSM network support, and some other specs can be different depending on the country.
Conclusion
If the camera, connectivity, software, design, and sound are more important to you, then choose the Xiaomi Poco F8 Ultra. But if the display and battery life are more of a priority β go for the Vivo iQOO 15T.
Cast your vote
Total votes: 6