ROG Phone 8 vs ROG Phone 9 Pro

Phone 1

Phone 2

Winner

Asus ROG Phone 9 Pro

Lifespan decides this one: the ROG Phone 9 Pro is supported until Nov 2029 at $24.36 per month of safe use, while the ROG Phone 8 runs out in Jan 2029 ($27.42/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: ROG Phone 8 60 · 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.

Asus ROG Phone 8 $850

Buy with care$27.42/mo

2024◆ Buy-by Jan 20272029

Asus ROG Phone 9 Pro $1000

Safe to buy$24.36/mo

2024◆ Buy-by Nov 20272029

Category by category

Display

ROG Phone 8 80ROG Phone 9 Pro 60

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

Performance

ROG Phone 8 92ROG Phone 9 Pro 98

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

Camera

ROG Phone 8 79ROG Phone 9 Pro 79

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

Battery

ROG Phone 8 90ROG Phone 9 Pro 96

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

Software longevity

ROG Phone 8 37ROG Phone 9 Pro 49

The ROG Phone 9 Pro is supported until Nov 2029 — 10 months longer than the ROG Phone 8.

Value

ROG Phone 8 60ROG Phone 9 Pro 59

Pound for pound, these two are equally good deals.

Full spec table

Spec	ROG Phone 8	ROG Phone 9 Pro
Price (street)	$850	$1000
Display	6.78-inch LTPO AMOLED, 1080x2400, 165Hz	6.78-inch flexible LTPO AMOLED, FHD+ (1080×2400), 1–185Hz, 2500-nit peak
Chipset	Qualcomm Snapdragon 8 Gen 3	Snapdragon 8 Elite
RAM	12GB/16GB	16GB/24GB
Storage	256GB/512GB	512GB/1TB
Battery	5,500 mAh	5,800 mAh
Charging	65W wired, 15W wireless	65W wired (HyperCharge), 15W Qi wireless
Rear cameras	50MP main, 13MP ultra-wide, 32MP telephoto 3x	50MP main (Sony Lytia 700 1/1.56-inch, gimbal OIS), 13MP ultra-wide (120-degree), 32MP telephoto 3x (OIS)
Dimensions	163.8 × 76.8 × 8.9 mm	163.8 × 76.8 × 8.9 mm
Weight	225 g	227 g
Water resistance	IP68	IP68
Supported until	Jan 2029	Nov 2029

ROG Phone 8 full verdict →ROG Phone 9 Pro full verdict →Longevity master board →

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