PhoneLifespan

Zenfone 12 Ultra vs 6

vs

Winner

Fairphone 6

Lifespan decides this one: the 6 is supported until Jun 2033 at $10.67 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 · 6 66 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
Fairphone 6 $899
Safe to buy$10.67/mo
2025◆ Buy-by Jun 20312033

Category by category

Display
Zenfone 12 Ultra 706 80

The 6's screen is the better one — 6.31-inch ltpo oled, fhd+, 10-120hz adaptive.

Performance
Zenfone 12 Ultra 986 64

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

Camera
Zenfone 12 Ultra 796 67

The Zenfone 12 Ultra has the stronger camera system (3 real rear lenses vs 2).

Battery
Zenfone 12 Ultra 906 68

5,500mAh vs 4,415mAh — the Zenfone 12 Ultra lasts longer between charges.

Software longevity
Zenfone 12 Ultra 386 100

The 6 is supported until Jun 2033 — 53 months longer than the Zenfone 12 Ultra.

Value
Zenfone 12 Ultra 586 66

Overall value goes to the 6 at $10.67 per month of safe use.

Full spec table
SpecZenfone 12 Ultra6
Price (street)$950$899
Display6.78-inch AMOLED, FHD+, 144Hz, Gorilla Glass Victus 26.31-inch LTPO OLED, FHD+, 10-120Hz adaptive
ChipsetQualcomm Snapdragon 8 Elite (3nm)Qualcomm Snapdragon 7s Gen 3 (4nm)
RAM12GB/16GB8GB
Storage256GB/512GB256GB
Battery5,500 mAh4,415 mAh
Charging65W wired, 15W wireless30W wired; user-removable battery
Rear cameras50MP main, 32MP telephoto, 13MP ultra-wide50MP main, 13MP ultra-wide
Dimensions163.8 × 77.0 × 8.9 mm156.5 × 73.3 × 9.6 mm
Weight220 g193 g
Water resistanceIP68IP55 (also MIL-STD-810H, 1.5m drop)
Supported untilFeb 2029Jun 2033

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