PhoneLifespan

Zenfone 12 Ultra vs Galaxy S25+

vs

Winner

Samsung Galaxy S25+

Lifespan decides this one: the Galaxy S25+ is supported until Feb 2032 at $12.54 per month of safe use, while the Zenfone 12 Ultra runs out in Feb 2029 ($29.99/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: Zenfone 12 Ultra 58 · Galaxy S25+ 73 methodology

The lifespan decider

When specs are close, support length decides it — this is what each phone costs per month of safe use.

Asus Zenfone 12 Ultra $950
Buy with care$29.99/mo
2025◆ Buy-by Feb 20272029
Samsung Galaxy S25+ $849
Safe to buy$12.54/mo
2025◆ Buy-by Feb 20302032

Category by category

Display
Zenfone 12 Ultra 70Galaxy S25+ 100

The Galaxy S25+'s screen is the better one — 6.7-inch dynamic amoled 2x, qhd+ (3120×1440), 1–120hz, up to 2600 nits.

Performance
Zenfone 12 Ultra 98Galaxy S25+ 98

Performance is a wash — same chip tier.

Camera
Zenfone 12 Ultra 79Galaxy S25+ 79

Camera systems are comparable on paper — pick by sample photos.

Battery
Zenfone 12 Ultra 90Galaxy S25+ 78

5,500mAh vs 4,900mAh — the Zenfone 12 Ultra lasts longer between charges.

Software longevity
Zenfone 12 Ultra 38Galaxy S25+ 81

The Galaxy S25+ is supported until Feb 2032 — 36 months longer than the Zenfone 12 Ultra.

Value
Zenfone 12 Ultra 58Galaxy S25+ 73

Overall value goes to the Galaxy S25+ at $12.54 per month of safe use.

Full spec table
SpecZenfone 12 UltraGalaxy S25+
Price (street)$950$849
Display6.78-inch AMOLED, FHD+, 144Hz, Gorilla Glass Victus 26.7-inch Dynamic AMOLED 2X, QHD+ (3120×1440), 1–120Hz, up to 2600 nits
ChipsetQualcomm Snapdragon 8 Elite (3nm)Snapdragon 8 Elite for Galaxy
RAM12GB/16GB12GB
Storage256GB/512GB256GB/512GB
Battery5,500 mAh4,900 mAh
Charging65W wired, 15W wireless45W wired, 15W wireless
Rear cameras50MP main, 32MP telephoto, 13MP ultra-wide50MP main, 12MP ultra-wide, 10MP telephoto 3x
Dimensions163.8 × 77.0 × 8.9 mm158.4 × 75.8 × 7.3 mm
Weight220 g190 g
Water resistanceIP68IP68
Supported untilFeb 2029Feb 2032

Scores and verdicts are computed from our verified database — see exactly how. Specs from manufacturer documentation; prices reflect major US retailers.