PhoneLifespan

ROG Phone 9 vs 14 Ultra

vs

Winner

Asus ROG Phone 9

Lifespan decides this one: the ROG Phone 9 is supported until Nov 2029 at $24.35 per month of safe use, while the 14 Ultra runs out in Feb 2029 ($23.33/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: ROG Phone 9 58 · 14 Ultra 64 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 9 $999
Safe to buy$24.35/mo
2024◆ Buy-by Nov 20272029
Xiaomi 14 Ultra $750
Buy with care$23.33/mo
2024◆ Buy-by Feb 20272029

Category by category

Display
ROG Phone 9 6014 Ultra 90

The 14 Ultra's screen is the better one — 6.73-inch ltpo amoled, 3200 x 1440, 120hz.

Performance
ROG Phone 9 9814 Ultra 92

The ROG Phone 9's Qualcomm Snapdragon 8 Elite is simply the faster chip.

Camera
ROG Phone 9 6714 Ultra 91

The 14 Ultra has the stronger camera system (4 real rear lenses vs 2).

Battery
ROG Phone 9 9614 Ultra 80

5,800mAh vs 5,000mAh — the ROG Phone 9 lasts longer between charges.

Software longevity
ROG Phone 9 4914 Ultra 38

The ROG Phone 9 is supported until Nov 2029 — 9 months longer than the 14 Ultra.

Value
ROG Phone 9 5814 Ultra 64

Overall value goes to the 14 Ultra at $23.33 per month of safe use.

Full spec table
SpecROG Phone 914 Ultra
Price (street)$999$750
Display6.78-inch LTPO AMOLED, 1080x2400, 185Hz6.73-inch LTPO AMOLED, 3200 x 1440, 120Hz
ChipsetQualcomm Snapdragon 8 EliteQualcomm Snapdragon 8 Gen 3
RAM12GB/16GB12GB/16GB
Storage256GB/512GB256GB/512GB/1TB
Battery5,800 mAh5,000 mAh
Charging65W wired, 15W wireless90W wired, 80W wireless
Rear cameras50MP main, 13MP ultra-wide, 5MP macro50MP main, 50MP ultra-wide, 50MP telephoto 3.2x, 50MP periscope telephoto 5x
Dimensions163.8 × 76.8 × 8.9 mm161.4 × 75.3 × 9.2 mm
Weight227 g220 g
Water resistanceIP68IP68
Supported untilNov 2029Feb 2029

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