PhoneLifespan

ROG Phone 8 vs X100 Pro

vs

It depends

Too close to call outright

These two are within 2 points overall, so it depends on you: keep phones for years → ROG Phone 8 (supported until Jan 2029); want maximum speed → X100 Pro (MediaTek Dimensity 9300).

Value Score: ROG Phone 8 60 · 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 8 $850
Buy with care$27.42/mo
2024◆ Buy-by Jan 20272029
Vivo X100 Pro $780
Buy with care$26.81/mo
2023◆ Buy-by Nov 20262028

Category by category

Display
ROG Phone 8 80X100 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 8 92X100 Pro 93

Performance is a wash — same chip tier.

Camera
ROG Phone 8 79X100 Pro 79

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

Battery
ROG Phone 8 90X100 Pro 88

Battery capacities are close enough not to decide this.

Software longevity
ROG Phone 8 37X100 Pro 35

Both phones' support windows end around the same time.

Value
ROG Phone 8 60X100 Pro 62

Pound for pound, these two are equally good deals.

Full spec table
SpecROG Phone 8X100 Pro
Price (street)$850$780
Display6.78-inch LTPO AMOLED, 1080x2400, 165Hz6.78-inch LTPO AMOLED, 2800x1260, 120Hz, up to 3000 nits peak
ChipsetQualcomm Snapdragon 8 Gen 3MediaTek Dimensity 9300
RAM12GB/16GB12GB/16GB
Storage256GB/512GB256GB/512GB
Battery5,500 mAh5,400 mAh
Charging65W wired, 15W wireless100W wired, 50W wireless
Rear cameras50MP main, 13MP ultra-wide, 32MP telephoto 3x50MP main, 50MP ultra-wide, 50MP telephoto 4.3x periscope
Dimensions163.8 × 76.8 × 8.9 mm164.1 × 75.3 × 9.0 mm
Weight225 g221 g
Water resistanceIP68IP68
Supported untilJan 2029Nov 2028

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