PhoneLifespan

Agni 3 vs Galaxy F15 5G

vs

Winner

Samsung Galaxy F15 5G

Lifespan decides this one: the Galaxy F15 5G is supported until Mar 2029 at $3.97 per month of safe use, while the Agni 3 runs out in Oct 2028 ($8.83/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: Agni 3 72 · Galaxy F15 5G 71 — methodology

The lifespan decider

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

Lava Agni 3 $245
Buy with care$8.83/mo
2024◆ Buy-by Oct 20262028
Samsung Galaxy F15 5G $130
Buy with care$3.97/mo
2024◆ Buy-by Mar 20272029

Category by category

Display
Agni 3 70Galaxy F15 5G 50

The Agni 3's screen is the better one — 6.78-inch amoled, fhd+, 120hz, 10-bit; plus a 1.74-inch secondary amoled on the back.

Performance
Agni 3 58Galaxy F15 5G 38

The Agni 3's MediaTek Dimensity 7300X (4nm) is simply the faster chip.

Camera
Agni 3 79Galaxy F15 5G 55

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

Battery
Agni 3 80Galaxy F15 5G 100

6,000mAh vs 5,000mAh — the Galaxy F15 5G lasts longer between charges.

Software longevity
Agni 3 33Galaxy F15 5G 39

The Galaxy F15 5G is supported until Mar 2029 — 5 months longer than the Agni 3.

Value
Agni 3 72Galaxy F15 5G 71

Pound for pound, these two are equally good deals.

Full spec table
SpecAgni 3Galaxy F15 5G
Price (street)$245$130
Display6.78-inch AMOLED, FHD+, 120Hz, 10-bit; plus a 1.74-inch secondary AMOLED on the back6.5-inch Super AMOLED, 1080x2340 (FHD+), 90Hz
ChipsetMediaTek Dimensity 7300X (4nm)MediaTek Dimensity 6100+
RAM8GB4GB/6GB
Storage128GB/256GB128GB
Battery5,000 mAh6,000 mAh
Charging66W wired25W wired
Rear cameras50MP main, 8MP ultra-wide, 8MP depth50MP main, 5MP ultra-wide, 2MP macro
Dimensions163.7 × 75.5 × 8.8 mm160.0 × 76.8 × 8.4 mm
Weight212 g200 g
Water resistanceIP64None
Supported untilOct 2028Mar 2029
Agni 3 full verdict →Galaxy F15 5G 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.