Xperia 1 VIII vs X300 Ultra
Winner
Vivo X300 Ultra
The X300 Ultra wins this one, taking battery and software longevity decisively. Against the Xperia 1 VIII it's also the sounder buy at $20.39 per month of safe use.
Value Score: Xperia 1 VIII 64 · X300 Ultra 73 — methodology
Who should pick which
Beyond the scores — our take on each phone and the buyer it actually suits.
Sony's most redesigned Xperia in years brings a much larger telephoto sensor and six years of security updates, but at roughly $1,600 with zero US availability, it's a niche import for camera purists only.
Pick it if
- ✓ Camera enthusiasts wanting manual controls
- ✓ Buyers outside the US who want long security support
Skip it if
- ✗ You live in the US and need local warranty service
- ✗ You want a versatile zoom range over raw sensor size
The X300 Ultra's dual 200MP camera system and semi-solid-state battery make it Vivo's most ambitious phone yet, but it only just went on sale globally, so its full multi-year support window is still ahead of it.
Pick it if
- ✓ zoom-obsessed photographers
- ✓ buyers who want the newest flagship camera hardware
Skip it if
- ✗ you need US warranty coverage
- ✗ you want a slim, light phone
The lifespan decider
When specs are close, support length decides it — this is what each phone costs per month of safe use.
Category by category
The X300 Ultra's screen is the better one — 6.82-inch ltpo amoled, 120hz, up to 4500 nits peak brightness.
Performance is a wash — same chip tier.
The X300 Ultra has the stronger camera system — same lens count, higher-grade sensors.
6,600mAh vs 5,000mAh — the X300 Ultra lasts longer between charges.
The X300 Ultra is supported until Apr 2033 — 10 months longer than the Xperia 1 VIII.
Overall value goes to the X300 Ultra at $20.39 per month of safe use.
Frequently asked
How long will the Xperia 1 VIII receive updates?
Sony promises four major Android OS upgrades and six years of security patches from its mid-2026 launch, extending safe use to around mid-2032 — among the longest security windows of any Android flagship.
Is the Sony Xperia 1 VIII available in the US?
No. Sony has not sold Xperia flagships in the US since 2023, and the 1 VIII is only officially available in Europe and select Asian markets, so US buyers must import it without carrier warranty support.
How long will the Vivo X300 Ultra be supported?
Vivo hasn't published a separate written policy specific to the X300 Ultra at the time of writing, but based on the X300 and X300 Pro's official 5-year OS/7-year security commitment, buyers can reasonably expect the same, projecting support into around 2033.
Is the X300 Ultra sold in the US?
No. It launched in China in March 2026 and expanded to Europe, India, and parts of Asia and the Middle East by May 2026, but Vivo has not brought it to the US market, so any US unit is an import without official warranty.
Full spec table
| Spec | Xperia 1 VIII | X300 Ultra |
|---|---|---|
| Price (street) | $1549 | $1650 |
| Display | 6.5-inch LTPO OLED, 1080x2340, 120Hz | 6.82-inch LTPO AMOLED, 120Hz, up to 4500 nits peak brightness |
| Chipset | Qualcomm Snapdragon 8 Elite Gen 5 | Qualcomm Snapdragon 8 Elite Gen 5 |
| RAM | 16GB | 16GB |
| Storage | 256GB/512GB/1TB | 512GB/1TB |
| Battery | 5,000 mAh | 6,600 mAh |
| Charging | 30W wired, 15W wireless | 100W wired, 40W wireless |
| Rear cameras | 48MP main, 48MP ultra-wide, 48MP telephoto 2.9x | 200MP main, 200MP periscope 3.7x, 50MP ultra-wide |
| Dimensions | 162.0 × 74.0 × 8.3 mm | 163.0 x 76.8 x 8.2-8.5 mm |
| Weight | 200 g | 232 g |
| Water resistance | IP65/IP68 | IP68/IP69 |
| Supported until | Jun 2032 | Apr 2033 |
More comparisons
Scores and verdicts are computed from our verified database — see exactly how. Specs from manufacturer documentation; prices reflect major US retailers.