T4 5G vs X100 Ultra

Phone 1

Phone 2

Winner

Vivo T4 5G

The T4 5G wins this one, taking battery decisively. Against the X100 Ultra it's also the sounder buy at $11.63 per month of safe use.

Value Score: T4 5G 72 · 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.

Vivo T4 5G $260

Buy with care$11.63/mo

2025◆ Buy-by Apr 20262028

Vivo X100 Ultra $720

Buy with care$20.39/mo

2024◆ Buy-by May 20272029

Category by category

Display

T4 5G 80X100 Ultra 90

The X100 Ultra's screen is the better one — 6.78-inch ltpo amoled, 120hz, 3000 nits peak.

Performance

T4 5G 64X100 Ultra 92

The X100 Ultra's Snapdragon 8 Gen 3 is simply the faster chip.

Camera

T4 5G 55X100 Ultra 84

The X100 Ultra has the stronger camera system (3 real rear lenses vs 1).

Battery

T4 5G 100X100 Ultra 90

7,300mAh vs 5,500mAh — the T4 5G lasts longer between charges.

Software longevity

T4 5G 27X100 Ultra 42

The X100 Ultra is supported until May 2029 — 13 months longer than the T4 5G.

Value

T4 5G 72X100 Ultra 66

Overall value goes to the T4 5G at $11.63 per month of safe use.

Full spec table

Spec	T4 5G	X100 Ultra
Price (street)	$260	$720
Display	6.77-inch AMOLED, FHD+, 120Hz, 5000 nits peak	6.78-inch LTPO AMOLED, 120Hz, 3000 nits peak
Chipset	Qualcomm Snapdragon 7s Gen 3	Snapdragon 8 Gen 3
RAM	8GB/12GB	12GB/16GB
Storage	128GB/256GB	256GB/512GB/1TB
Battery	7,300 mAh	5,500 mAh
Charging	90W wired	80W wired, 30W wireless
Rear cameras	50MP main, 2MP depth	50MP main, 200MP periscope telephoto, 50MP ultra-wide
Dimensions	163.4 × 76.4 × 7.9 mm	164.1 x 75.6 x 9.2 mm
Weight	199 g	229 g
Water resistance	IP65	IP68/IP69
Supported until	Apr 2028	May 2029

T4 5G 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.