T4 5G vs 14T

Phone 1

Phone 2

Winner

Xiaomi 14T

Lifespan decides this one: the 14T is supported until Sep 2029 at $9.67 per month of safe use, while the T4 5G runs out in Apr 2028 ($11.62/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: T4 5G 72 · 14T 71 — 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$11.62/mo

2025◆ Buy-by Apr 20262028

Xiaomi 14T $380

Safe to buy$9.67/mo

2024◆ Buy-by Sep 20272029

Category by category

Display

T4 5G 8014T 80

Both displays are effectively the same class.

Performance

T4 5G 6414T 73

The 14T's MediaTek Dimensity 8300-Ultra is simply the faster chip.

Camera

T4 5G 5514T 79

The 14T has the stronger camera system (3 real rear lenses vs 1).

Battery

T4 5G 10014T 80

7,300mAh vs 5,000mAh — the T4 5G lasts longer between charges.

Software longevity

T4 5G 2714T 47

The 14T is supported until Sep 2029 — 17 months longer than the T4 5G.

Value

T4 5G 7214T 71

Pound for pound, these two are equally good deals.

Full spec table

Spec	T4 5G	14T
Price (street)	$260	$380
Display	6.77-inch AMOLED, FHD+, 120Hz, 5000 nits peak	6.67-inch AMOLED, 2712×1220 (446 ppi), up to 144Hz, up to 4000 nits peak
Chipset	Qualcomm Snapdragon 7s Gen 3	MediaTek Dimensity 8300-Ultra
RAM	8GB/12GB	12GB
Storage	128GB/256GB	256GB/512GB
Battery	7,300 mAh	5,000 mAh
Charging	90W wired	67W wired
Rear cameras	50MP main, 2MP depth	50MP main (Leica, Sony IMX906, OIS), 50MP telephoto 2x (50mm), 12MP ultra-wide (120° FOV)
Dimensions	163.4 × 76.4 × 7.9 mm	160.5 × 75.1 × 7.80 mm
Weight	199 g	195 g
Water resistance	IP65	IP68
Supported until	Apr 2028	Sep 2029

T4 5G full verdict →14T 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.