PhoneLifespan

ROG Phone 8 Pro Edition vs ROG Phone 9 Pro

vs

Winner

Asus ROG Phone 9 Pro

Lifespan decides this one: the ROG Phone 9 Pro is supported until Nov 2029 at $24.33 per month of safe use, while the ROG Phone 8 Pro Edition runs out in Mar 2028 ($57.77/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: ROG Phone 8 Pro Edition 53 · ROG Phone 9 Pro 59 methodology

The lifespan decider

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

2024◆ Buy-by Mar 20262028
Asus ROG Phone 9 Pro $1000
Safe to buy$24.33/mo
2024◆ Buy-by Nov 20272029

Category by category

Display
ROG Phone 8 Pro Edition 80ROG Phone 9 Pro 60

The ROG Phone 8 Pro Edition's screen is the better one — 6.78-inch ltpo amoled, fhd+, 165hz, gorilla glass victus 2.

Performance
ROG Phone 8 Pro Edition 92ROG Phone 9 Pro 98

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

Camera
ROG Phone 8 Pro Edition 79ROG Phone 9 Pro 79

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

Battery
ROG Phone 8 Pro Edition 90ROG Phone 9 Pro 96

5,800mAh vs 5,500mAh — the ROG Phone 9 Pro lasts longer between charges.

Software longevity
ROG Phone 8 Pro Edition 25ROG Phone 9 Pro 49

The ROG Phone 9 Pro is supported until Nov 2029 — 20 months longer than the ROG Phone 8 Pro Edition.

Value
ROG Phone 8 Pro Edition 53ROG Phone 9 Pro 59

Overall value goes to the ROG Phone 9 Pro at $24.33 per month of safe use.

Full spec table
SpecROG Phone 8 Pro EditionROG Phone 9 Pro
Price (street)$1200$1000
Display6.78-inch LTPO AMOLED, FHD+, 165Hz, Gorilla Glass Victus 26.78-inch flexible LTPO AMOLED, FHD+ (1080×2400), 1–185Hz, 2500-nit peak
ChipsetQualcomm Snapdragon 8 Gen 3 (4nm)Snapdragon 8 Elite
RAM24GB16GB/24GB
Storage1TB512GB/1TB
Battery5,500 mAh5,800 mAh
Charging65W wired, 15W wireless65W wired (HyperCharge), 15W Qi wireless
Rear cameras50MP main, 32MP telephoto, 13MP ultra-wide50MP main (Sony Lytia 700 1/1.56-inch, gimbal OIS), 13MP ultra-wide (120-degree), 32MP telephoto 3x (OIS)
Dimensions163.8 × 76.8 × 8.9 mm163.8 × 76.8 × 8.9 mm
Weight225 g227 g
Water resistanceIP68IP68
Supported untilMar 2028Nov 2029

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