PhoneLifespan

ROG Phone 8 vs Zenfone 12 Ultra

vs

It depends

Too close to call outright

These two are within 2 points overall — it genuinely depends on price on the day. The Zenfone 12 Ultra edges both longevity and performance, so prefer it when prices are close.

Value Score: ROG Phone 8 60 · Zenfone 12 Ultra 58 methodology

The lifespan decider

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

Asus ROG Phone 8 $850
Buy with care$27.37/mo
2024◆ Buy-by Jan 20272029
Asus Zenfone 12 Ultra $950
Buy with care$29.99/mo
2025◆ Buy-by Feb 20272029

Category by category

Display
ROG Phone 8 80Zenfone 12 Ultra 70

The ROG Phone 8's screen is the better one — 6.78-inch ltpo amoled, 1080x2400, 165hz.

Performance
ROG Phone 8 92Zenfone 12 Ultra 98

The Zenfone 12 Ultra's Qualcomm Snapdragon 8 Elite (3nm) is simply the faster chip.

Camera
ROG Phone 8 79Zenfone 12 Ultra 79

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

Battery
ROG Phone 8 90Zenfone 12 Ultra 90

Battery capacities are close enough not to decide this.

Software longevity
ROG Phone 8 37Zenfone 12 Ultra 38

Both phones' support windows end around the same time.

Value
ROG Phone 8 60Zenfone 12 Ultra 58

Pound for pound, these two are equally good deals.

Full spec table
SpecROG Phone 8Zenfone 12 Ultra
Price (street)$850$950
Display6.78-inch LTPO AMOLED, 1080x2400, 165Hz6.78-inch AMOLED, FHD+, 144Hz, Gorilla Glass Victus 2
ChipsetQualcomm Snapdragon 8 Gen 3Qualcomm Snapdragon 8 Elite (3nm)
RAM12GB/16GB12GB/16GB
Storage256GB/512GB256GB/512GB
Battery5,500 mAh5,500 mAh
Charging65W wired, 15W wireless65W wired, 15W wireless
Rear cameras50MP main, 13MP ultra-wide, 32MP telephoto 3x50MP main, 32MP telephoto, 13MP ultra-wide
Dimensions163.8 × 76.8 × 8.9 mm163.8 × 77.0 × 8.9 mm
Weight225 g220 g
Water resistanceIP68IP68
Supported untilJan 2029Feb 2029

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