Galaxy S26 vs X100 Ultra

Phone 1

Phone 2

Winner

Samsung Galaxy S26

Lifespan decides this one: the Galaxy S26 is supported until Mar 2033 at $9.90 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 S26 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 S26 $799

Safe to buy$9.90/mo

2026◆ Buy-by Mar 20312033

Vivo X100 Ultra $720

Buy with care$20.39/mo

2024◆ Buy-by May 20272029

Category by category

Display

Galaxy S26 90X100 Ultra 90

Both displays are effectively the same class.

Performance

Galaxy S26 100X100 Ultra 92

The Galaxy S26's Snapdragon 8 Elite Gen 5 for Galaxy is simply the faster chip.

Camera

Galaxy S26 79X100 Ultra 84

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

Battery

Galaxy S26 66X100 Ultra 90

5,500mAh vs 4,300mAh — the X100 Ultra lasts longer between charges.

Software longevity

Galaxy S26 96X100 Ultra 42

The Galaxy S26 is supported until Mar 2033 — 45 months longer than the X100 Ultra.

Value

Galaxy S26 75X100 Ultra 66

Overall value goes to the Galaxy S26 at $9.90 per month of safe use.

Full spec table

Spec	Galaxy S26	X100 Ultra
Price (street)	$799	$720
Display	6.3-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 Gen 5 for Galaxy	Snapdragon 8 Gen 3
RAM	12GB	12GB/16GB
Storage	256GB/512GB	256GB/512GB/1TB
Battery	4,300 mAh	5,500 mAh
Charging	25W wired, 15W wireless (Qi2.2 Ready)	80W wired, 30W wireless
Rear cameras	50MP main, 12MP ultra-wide, 10MP telephoto 3x	50MP main, 200MP periscope telephoto, 50MP ultra-wide
Dimensions	149.6 × 71.7 × 7.2 mm	164.1 x 75.6 x 9.2 mm
Weight	167 g	229 g
Water resistance	IP68	IP68/IP69
Supported until	Mar 2033	May 2029

Galaxy S26 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.