PhoneLifespan

Agni 3 vs Poco C71 4G

vs

Winner

Xiaomi Poco C71 4G

Lifespan decides this one: the Poco C71 4G is supported until Apr 2029 at $2.23 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 · Poco C71 4G 69 — 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
Xiaomi Poco C71 4G $75
Buy with care$2.23/mo
2025◆ Buy-by Apr 20272029

Category by category

Display
Agni 3 70Poco C71 4G 70

Both displays are effectively the same class.

Performance
Agni 3 58Poco C71 4G 55

Performance is a wash — same chip tier.

Camera
Agni 3 79Poco C71 4G 40

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

Battery
Agni 3 80Poco C71 4G 84

5,200mAh vs 5,000mAh — the Poco C71 4G lasts longer between charges.

Software longevity
Agni 3 33Poco C71 4G 40

The Poco C71 4G is supported until Apr 2029 — 6 months longer than the Agni 3.

Value
Agni 3 72Poco C71 4G 69

Pound for pound, these two are equally good deals.

Full spec table
SpecAgni 3Poco C71 4G
Price (street)$245$75
Display6.78-inch AMOLED, FHD+, 120Hz, 10-bit; plus a 1.74-inch secondary AMOLED on the back6.88-inch IPS LCD, HD+, 120Hz
ChipsetMediaTek Dimensity 7300X (4nm)Unisoc T7250 (12nm)
RAM8GB4GB/6GB
Storage128GB/256GB64GB/128GB
Battery5,000 mAh5,200 mAh
Charging66W wired15W wired
Rear cameras50MP main, 8MP ultra-wide, 8MP depth32MP main
Dimensions163.7 × 75.5 × 8.8 mm171.79 × 77.8 × 8.26 mm
Weight212 g193 g
Water resistanceIP64IP52
Supported untilOct 2028Apr 2029
Agni 3 full verdict →Poco C71 4G 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.