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- 15 Ultra vs Poco F8 Ultra
Xiaomi 15 Ultra vs Xiaomi Poco F8 Ultra
What 15 Ultra does better (10) and where Poco F8 Ultra wins (14) — every spec side by side.
vs
9.0Display9.7
9.4Performance9.4
9.7Camera9.7
9.3Battery9.7
9.5Features9.7
Dimensions
Size comparison
15 UltraPoco F8 Ultra
| 15 Ultra | Poco F8 Ultra | Difference | |
|---|---|---|---|
| Height | 161.3 mm | 163.3 mm | −2 mm |
| Width | 75.3 mm | 77.8 mm | −2.5 mm |
| Thickness | 9.4 mm | 7.9 mm | +1.5 mm |
| Weight | 226 g | 218 g | +8 g |
Drawn to the same scale from the official dimensions (front and side).
Why is 15 Ultra better than Poco F8 Ultra?
- Storage (max)1,024 GB vs 512 GB2×
- AnTuTu score3,030,376 vs 2,720,760+11%
- Measured brightness1,588 nits vs 1,077 nits+47%
- Pixel density522 ppi vs 416 ppi+25%
- 4K video frame rate120 fps vs 60 fps2×
- Wireless charging power80 W vs 50 W+60%
- Rear cameras4 vs 3+33%
- Resolution (width)1,440 px vs 1,200 px+20%
- Loudspeaker loudness-24.1 LUFS vs -26 LUFS+-7%
- Main camera aperturef/1.6 vs f/1.7+6%
Why is Poco F8 Ultra better than 15 Ultra?
- Refresh rate120 Hz vs 560 Hz4.7×
- Battery capacity5,410 mAh vs 6,500 mAh+20%
- Active use (test)16.2 h vs 18.9 h+17%
- Geekbench 6 (multi-core)9,710 vs 10,876+12%
- Wired charging90 W vs 100 W+11%
- 3DMark Wild Life Extreme5,626 vs 6,864+22%
- Optical zoom4.3× vs 5×+16%
- Peak brightness3,200 nits vs 3,500 nits+9%
- CPU frequency4.32 GHz vs 4.6 GHz+6%
- Weight226 g vs 218 g+4%
- Screen size6.7″ vs 6.9″+3%
- Thickness9.4 mm vs 7.9 mm+19%
Specifications
Side by side
| Design | ||
| Weight | 226 g | 218 g |
| Thickness | 9.4 mm | 7.9 mm |
| Height | 161.3 mm | 163.3 mm |
| Width | 75.3 mm | 77.8 mm |
| Frame | Aluminium | Aluminium |
| Back | Silicone polymer | Silicone polymer |
| Ingress protection | IP68 | IP68 |
| Water resistance (IPx) | IPx8 | IPx8 |
| Glass protection | Xiaomi Shield Glass 2.0 | Poco Shield Glass |
| Colours | Black, White, Silver Chrome, Green | Black, White, Denim Blue |
| Display | ||
| Screen size | 6.7″ | 6.9″ |
| Panel | LTPO AMOLED | AMOLED |
| OLED panel | Yes | Yes |
| LTPO (adaptive 1–120 Hz) | Yes | — |
| Resolution (width) | 1,440 px | 1,200 px |
| Resolution (height) | 3,200 px | 2,608 px |
| Pixel density | 522 ppi | 416 ppi |
| Refresh rate | 120 Hz | 560 Hz |
| Peak brightness | 3,200 nits | 3,500 nits |
| Measured brightness | 1,588 nits | 1,077 nits |
| Screen-to-body ratio | 89.7% | 91.8% |
| HDR | Yes | Yes |
| Performance | ||
| Chipset | Qualcomm SM8750-AB Snapdragon 8 Elite | Qualcomm SM8850-AC Snapdragon 8 Elite Gen 5 |
| Chip maker | Qualcomm | Qualcomm |
| Process | 3 nm | 3 nm |
| CPU cores | 8 | 8 |
| CPU frequency | 4.32 GHz | 4.6 GHz |
| GPU | Adreno 830 | Adreno 840 |
| AnTuTu score | 3,030,376 | 2,720,760 |
| Geekbench 6 (multi-core) | 9,710 | 10,876 |
| 3DMark Wild Life Extreme | 5,626 | 6,864 |
| Memory | ||
| RAM | 16 GB | 16 GB |
| Storage (max) | 1,024 GB | 512 GB |
| Storage (base) | 256 GB | 256 GB |
| Storage type | UFS 4.1 | UFS 4.1 |
| Memory card slot | No | No |
| Camera | ||
| Main camera | 50 MP | 50 MP |
| Main camera aperture | f/1.6 | f/1.7 |
| Main sensor size | 1" | 1/1.31" |
| Rear cameras | 4 | 3 |
| Optical stabilisation | Yes | Yes |
| Ultra-wide camera | Yes | Yes |
| Telephoto camera | Yes | Yes |
| Optical zoom | 4.3× | 5× |
| Max video | 8K | 8K |
| 4K video frame rate | 120 fps | 60 fps |
| Selfie camera | 32 MP | 32 MP |
| 4K selfie video | Yes | Yes |
| Battery | ||
| Battery capacity | 5,410 mAh | 6,500 mAh |
| Battery type | Si/C | Si/C |
| Active use (test) | 16.2 h | 18.9 h |
| Wired charging | 90 W | 100 W |
| Charged in 30 min | 72% | 79% |
| Wireless charging | Yes | Yes |
| Wireless charging power | 80 W | 50 W |
| Reverse wireless charging | Yes | Yes |
| Connectivity | ||
| 5G | Yes | Yes |
| eSIM | Yes | Yes |
| Dual SIM | Yes | Yes |
| Wi-Fi standard | Wi-Fi 7 | Wi-Fi 7 |
| Bluetooth | 6 | 6 |
| NFC | Yes | Yes |
| USB | USB Type-C 3.2 Gen 2 | USB Type-C 3.2 |
| USB version | 3.2 | 3.2 |
| Video output | Yes | Yes |
| Satellite messaging | Yes | — |
| Infrared port | Yes | Yes |
| Dual-band GPS | Yes | Yes |
| Satellite navigation | GLONASS, GALILEO, BDS, QZSS, NavIC | GLONASS, GALILEO, BDS, QZSS, NavIC |
| Features | ||
| Stereo speakers | Yes | Yes |
| 3.5 mm headphone jack | No | No |
| Loudspeaker loudness | -24.1 LUFS | -26 LUFS |
| Fingerprint sensor | Under display, ultrasonic | Under display, ultrasonic |
| Barometer | Yes | — |
| Sensors | Fingerprint (under display, ultrasonic), accelerometer, proximity, gyro, compass, barometer | Fingerprint (under display, ultrasonic), accelerometer, proximity, gyro, compass |
| SAR (head) | 1 W/kg | — |
| Software | ||
| OS at launch | Android 15 | Android 16 |
| Platform | Android | Android |
| Interface | HyperOS 3 | HyperOS 3 |
| Major OS updates promised | 4 | — |
| EU label | ||
| Energy class | A | — |
| Battery charge cycles | 1,000 | — |
| Endurance per cycle | 59 h | — |
| Repairability class | C | — |
| Drop resistance class | C | — |
