ROG Phone 9 Pro vs X100 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 X100 Pro runs out in Nov 2028 ($26.81/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: ROG Phone 9 Pro 59 · X100 Pro 62 — 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 Pro $1000

Safe to buy$24.36/mo

2024◆ Buy-by Nov 20272029

Vivo X100 Pro $780

Buy with care$26.81/mo

2023◆ Buy-by Nov 20262028

Category by category

Display

ROG Phone 9 Pro 60X100 Pro 90

The X100 Pro's screen is the better one — 6.78-inch ltpo amoled, 2800x1260, 120hz, up to 3000 nits peak.

Performance

ROG Phone 9 Pro 98X100 Pro 93

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

Camera

ROG Phone 9 Pro 79X100 Pro 79

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

Battery

ROG Phone 9 Pro 96X100 Pro 88

5,800mAh vs 5,400mAh — the ROG Phone 9 Pro lasts longer between charges.

Software longevity

ROG Phone 9 Pro 49X100 Pro 35

The ROG Phone 9 Pro is supported until Nov 2029 — 12 months longer than the X100 Pro.

Value

ROG Phone 9 Pro 59X100 Pro 62

Pound for pound, these two are equally good deals.

Full spec table

Spec	ROG Phone 9 Pro	X100 Pro
Price (street)	$1000	$780
Display	6.78-inch flexible LTPO AMOLED, FHD+ (1080×2400), 1–185Hz, 2500-nit peak	6.78-inch LTPO AMOLED, 2800x1260, 120Hz, up to 3000 nits peak
Chipset	Snapdragon 8 Elite	MediaTek Dimensity 9300
RAM	16GB/24GB	12GB/16GB
Storage	512GB/1TB	256GB/512GB
Battery	5,800 mAh	5,400 mAh
Charging	65W wired (HyperCharge), 15W Qi wireless	100W wired, 50W wireless
Rear cameras	50MP main (Sony Lytia 700 1/1.56-inch, gimbal OIS), 13MP ultra-wide (120-degree), 32MP telephoto 3x (OIS)	50MP main, 50MP ultra-wide, 50MP telephoto 4.3x periscope
Dimensions	163.8 × 76.8 × 8.9 mm	164.1 × 75.3 × 9.0 mm
Weight	227 g	221 g
Water resistance	IP68	IP68
Supported until	Nov 2029	Nov 2028

ROG Phone 9 Pro full verdict →X100 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.