PhoneLifespan

Phone (3a) vs Galaxy F55 5G

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 Galaxy F55 5G runs out in May 2029 ($7.09/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: Phone (3a) 75 · Galaxy F55 5G 73 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$6.18/mo
2025◆ Buy-by Mar 20292031
Samsung Galaxy F55 5G $250
Buy with care$7.09/mo
2024◆ Buy-by May 20272029

Category by category

Display
Phone (3a) 80Galaxy F55 5G 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) 64Galaxy F55 5G 70

The Galaxy F55 5G's Qualcomm Snapdragon 7 Gen 1 is simply the faster chip.

Camera
Phone (3a) 79Galaxy F55 5G 67

The Phone (3a) has the stronger camera system (3 real rear lenses vs 2).

Battery
Phone (3a) 80Galaxy F55 5G 80

Battery capacities are close enough not to decide this.

Software longevity
Phone (3a) 67Galaxy F55 5G 42

The Phone (3a) is supported until Mar 2031 — 21 months longer than the Galaxy F55 5G.

Value
Phone (3a) 75Galaxy F55 5G 73

Pound for pound, these two are equally good deals.

Full spec table
SpecPhone (3a)Galaxy F55 5G
Price (street)$349$250
Display6.77-inch AMOLED, 1080×2392 (FHD+), up to 120Hz, 3000 nits peak6.55-inch Super AMOLED Plus, 1080x2400 (FHD+), 120Hz
ChipsetSnapdragon 7s Gen 3Qualcomm Snapdragon 7 Gen 1
RAM8GB/12GB8GB/12GB
Storage128GB/256GB128GB/256GB
Battery5,000 mAh5,000 mAh
Charging50W wired, no wireless45W wired
Rear cameras50MP main, 50MP telephoto 2x, 8MP ultra-wide50MP main, 8MP ultra-wide, 2MP macro
Dimensions163.52 × 77.50 × 8.35 mm163.9 × 76.5 × 7.8 mm
Weight201 g180 g
Water resistanceIP64None
Supported untilMar 2031May 2029

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