PhoneLifespan

Phone (3a) vs C71

vs

Winner

Nothing Phone (3a)

Lifespan decides this one: the Phone (3a) is supported until Mar 2031 at $6.17 per month of safe use, while the C71 runs out in Jun 2028 ($6.38/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: Phone (3a) 75 · C71 71 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$6.17/mo
2025◆ Buy-by Mar 20292031
Realme C71 $150
Buy with care$6.38/mo
2025◆ Buy-by Jun 20262028

Category by category

Display
Phone (3a) 80C71 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) 64C71 55

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

Camera
Phone (3a) 79C71 55

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

Battery
Phone (3a) 80C71 100

6,300mAh vs 5,000mAh — the C71 lasts longer between charges.

Software longevity
Phone (3a) 67C71 28

The Phone (3a) is supported until Mar 2031 — 33 months longer than the C71.

Value
Phone (3a) 75C71 71

Overall value goes to the Phone (3a) at $6.17 per month of safe use.

Full spec table
SpecPhone (3a)C71
Price (street)$349$150
Display6.77-inch AMOLED, 1080×2392 (FHD+), up to 120Hz, 3000 nits peak6.67-inch IPS LCD, HD+, 120Hz, 725 nits
ChipsetSnapdragon 7s Gen 3Unisoc T7250 (12nm)
RAM8GB/12GB4GB/6GB/8GB
Storage128GB/256GB64GB/128GB/256GB
Battery5,000 mAh6,300 mAh
Charging50W wired, no wireless45W wired (50% in 36 min), 6W reverse wired
Rear cameras50MP main, 50MP telephoto 2x, 8MP ultra-wide50MP main
Dimensions163.52 × 77.50 × 8.35 mm165.8 × 75.9 × 7.8 mm
Weight201 g196 g
Water resistanceIP64Splash/dust resistant, MIL-STD-810H, 1.5m drop resistance
Supported untilMar 2031Jun 2028

Scores and verdicts are computed from our verified database — see exactly how. Specs from manufacturer documentation; prices reflect major US retailers.