Xiaomi 15 Ultra
$1,499
Xiaomi 15 Ultra vs POCO X8 Power
POCO X8 Power
$467
| 15 Ultra | X8 Power | |
|---|---|---|
| Price | USD 1,499 | USD 467 |
| Battery | 5410 mAh | 10000 mAh |
| Charging (W) | 90 | 100 |
| RAM | 16 GB | 8 GB |
| Storage | 512 GB | 256 GB |
| Chipset | Qualcomm Snapdragon 8 Elite | Qualcomm Snapdragon 6 Gen 5 |
| Display | 6.73" • WQHD+ LTPO AMOLED All Around Liquid Display • 120Hz | 6.83" • AMOLED • 120Hz |
| Main Camera | 50MP | 50MP |
| Front Camera | 32MP | 32MP |
| OS | Android 15 | Android 16 |
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Key Differences
Only the differences that meaningfully separate these phones.
Price
USD 1,032 cheaper
X8 PowerUSD 467
vs15 UltraUSD 1,499
RAM
2× more RAM
15 Ultra16 GB RAM
vsX8 Power8 GB RAM
Storage
2× more storage
15 Ultra512 GB
vsX8 Power256 GB
Battery
85% larger battery
X8 Power10,000 mAh
vs15 Ultra5,410 mAh
Charging
10 W faster wired charging
X8 Power100 W wired
vs15 Ultra90 W wired
Performance
Different chipsets
15 UltraQualcomm Snapdragon 8 Elite
vsX8 PowerQualcomm Snapdragon 6 Gen 5
Build
More compact thickness
X8 Power8.65 mm
vs15 Ultra9.35 mm
Best For
Where each phone stands out based on this comparison.
Best if you want
More RAM and storageXiaomi 15 Ultra
More RAM and storage16 GB RAM · 512 GB
Best if you want
More hardwarePOCO X8 Power
Much lower purchase priceUSD 467
Larger battery10,000 mAh
Faster wired charging100 W wired
Thinner body8.65 mm
What CompareTab says about Xiaomi 15 Ultra vs POCO X8 Power
Xiaomi 15 Ultra has more RAM and storage than X8 Power, with 16 GB of RAM versus 8 GB and 512 GB of storage versus 256 GB. It also adds a telephoto rear camera and wireless charging. POCO X8 Power, however, is around $1,032 cheaper and thinner at 8.65 mm versus 9.35 mm and has a larger 10000 mAh battery versus 5410 mAh and higher quoted peak brightness at 3500 nits versus 3200 nits. The main trade-off is the 15 Ultra’s extra RAM, storage, telephoto rear camera, and wireless charging versus the X8 Power’s lower price, larger battery, higher quoted peak brightness, and thinner body.
