Galaxy S25 vs X100 Ultra

Phone 1

Phone 2

Winner

Samsung Galaxy S25

Lifespan decides this one: the Galaxy S25 is supported until Feb 2032 at $8.85 per month of safe use, while the X100 Ultra runs out in May 2029 ($20.39/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: Galaxy S25 75 · X100 Ultra 66 — methodology

The lifespan decider

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

Samsung Galaxy S25 $599

Safe to buy$8.85/mo

2025◆ Buy-by Feb 20302032

Vivo X100 Ultra $720

Buy with care$20.39/mo

2024◆ Buy-by May 20272029

Category by category

Display

Galaxy S25 90X100 Ultra 90

Both displays are effectively the same class.

Performance

Galaxy S25 98X100 Ultra 92

The Galaxy S25's Snapdragon 8 Elite for Galaxy is simply the faster chip.

Camera

Galaxy S25 79X100 Ultra 84

The X100 Ultra has the stronger camera system — same lens count, higher-grade sensors.

Battery

Galaxy S25 60X100 Ultra 90

5,500mAh vs 4,000mAh — the X100 Ultra lasts longer between charges.

Software longevity

Galaxy S25 81X100 Ultra 42

The Galaxy S25 is supported until Feb 2032 — 32 months longer than the X100 Ultra.

Value

Galaxy S25 75X100 Ultra 66

Overall value goes to the Galaxy S25 at $8.85 per month of safe use.

Full spec table

Spec	Galaxy S25	X100 Ultra
Price (street)	$599	$720
Display	6.2-inch Dynamic LTPO AMOLED 2X, FHD+, 1–120Hz, up to 2600 nits	6.78-inch LTPO AMOLED, 120Hz, 3000 nits peak
Chipset	Snapdragon 8 Elite for Galaxy	Snapdragon 8 Gen 3
RAM	12GB	12GB/16GB
Storage	128GB/256GB/512GB	256GB/512GB/1TB
Battery	4,000 mAh	5,500 mAh
Charging	25W wired, 15W wireless (Qi2 Ready), 4.5W reverse wireless	80W wired, 30W wireless
Rear cameras	50MP main, 12MP ultra-wide, 10MP telephoto 3x	50MP main, 200MP periscope telephoto, 50MP ultra-wide
Dimensions	146.9 × 70.5 × 7.2 mm	164.1 x 75.6 x 9.2 mm
Weight	162 g	229 g
Water resistance	IP68	IP68/IP69
Supported until	Feb 2032	May 2029

Galaxy S25 full verdict →X100 Ultra 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.