PhoneLifespan

Phone (3a) vs 13T

vs

Winner

Nothing Phone (3a)

Lifespan decides this one: the Phone (3a) is supported until Mar 2031 at $6.16 per month of safe use, while the 13T runs out in Sep 2028 ($12.75/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: Phone (3a) 75 · 13T 69 — methodology

The lifespan decider

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

Nothing Phone (3a) $349
Safe to buy$6.16/mo
2025◆ Buy-by Mar 20292031
Xiaomi 13T $350
Buy with care$12.75/mo
2023◆ Buy-by Sep 20262028

Category by category

Display
Phone (3a) 8013T 70

The Phone (3a)'s screen is the better one — 6.77-inch amoled, 1080×2392 (fhd+), up to 120hz, 3000 nits peak.

Performance
Phone (3a) 6413T 75

The 13T's MediaTek Dimensity 8200 Ultra is simply the faster chip.

Camera
Phone (3a) 7913T 79

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

Battery
Phone (3a) 8013T 80

Battery capacities are close enough not to decide this.

Software longevity
Phone (3a) 6713T 33

The Phone (3a) is supported until Mar 2031 — 29 months longer than the 13T.

Value
Phone (3a) 7513T 69

Overall value goes to the Phone (3a) at $6.16 per month of safe use.

Full spec table
SpecPhone (3a)13T
Price (street)$349$350
Display6.77-inch AMOLED, 1080×2392 (FHD+), up to 120Hz, 3000 nits peak6.67-inch AMOLED, 2712 x 1220, 144Hz
ChipsetSnapdragon 7s Gen 3MediaTek Dimensity 8200 Ultra
RAM8GB/12GB8GB/12GB
Storage128GB/256GB256GB
Battery5,000 mAh5,000 mAh
Charging50W wired, no wireless67W wired
Rear cameras50MP main, 50MP telephoto 2x, 8MP ultra-wide50MP main, 12MP ultra-wide, 50MP telephoto 2x
Dimensions163.52 × 77.50 × 8.35 mm162.2 × 75.7 × 8.5 mm
Weight201 g197 g
Water resistanceIP64IP68
Supported untilMar 2031Sep 2028
Phone (3a) full verdict →13T 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.