PhoneLifespan

Moto G15 vs Phone (3a)

vs

Winner

Nothing Phone (3a)

Lifespan decides this one: the Phone (3a) is supported until Mar 2031 at $6.18 per month of safe use, while the Moto G15 runs out in Feb 2028 ($8.81/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: Moto G15 65 · Phone (3a) 75 — methodology

The lifespan decider

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

Motorola Moto G15 $175
Buy with care$8.81/mo
2025◆ Buy-by Feb 20262028
Nothing Phone (3a) $349
Safe to buy$6.18/mo
2025◆ Buy-by Mar 20292031

Category by category

Display
Moto G15 70Phone (3a) 80

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

Performance
Moto G15 39Phone (3a) 64

The Phone (3a)'s Snapdragon 7s Gen 3 is simply the faster chip.

Camera
Moto G15 55Phone (3a) 79

The Phone (3a) has the stronger camera system (3 real rear lenses vs 1).

Battery
Moto G15 84Phone (3a) 80

5,200mAh vs 5,000mAh — the Moto G15 lasts longer between charges.

Software longevity
Moto G15 24Phone (3a) 67

The Phone (3a) is supported until Mar 2031 — 37 months longer than the Moto G15.

Value
Moto G15 65Phone (3a) 75

Overall value goes to the Phone (3a) at $6.18 per month of safe use.

Full spec table
SpecMoto G15Phone (3a)
Price (street)$175$349
Display6.72-inch IPS LCD, FHD+, 120Hz6.77-inch AMOLED, 1080×2392 (FHD+), up to 120Hz, 3000 nits peak
ChipsetMediaTek Helio G81 ExtremeSnapdragon 7s Gen 3
RAM4GB/8GB8GB/12GB
Storage128GB/256GB/512GB128GB/256GB
Battery5,200 mAh5,000 mAh
Charging18W wired50W wired, no wireless
Rear cameras50MP main, 2MP macro50MP main, 50MP telephoto 2x, 8MP ultra-wide
Dimensions165.7 × 76 × 8.2 mm163.52 × 77.50 × 8.35 mm
Weight190 g201 g
Water resistanceIP54IP64
Supported untilFeb 2028Mar 2031
Moto G15 full verdict →Phone (3a) 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.