Agni 3 vs Redmi Note 15 5G

Phone 1

Phone 2

Winner

Xiaomi Redmi Note 15 5G

Lifespan decides this one: the Redmi Note 15 5G is supported until Dec 2029 at $6.03 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 · Redmi Note 15 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

Xiaomi Redmi Note 15 5G $250

Safe to buy$6.03/mo

2025◆ Buy-by Dec 20272029

Category by category

Display

Agni 3 70Redmi Note 15 5G 80

The Redmi Note 15 5G's screen is the better one — 6.77-inch amoled, fhd+, 120hz, 3200 nits peak.

Performance

Agni 3 58Redmi Note 15 5G 48

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

Camera

Agni 3 79Redmi Note 15 5G 67

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

Battery

Agni 3 80Redmi Note 15 5G 90

5,520mAh vs 5,000mAh — the Redmi Note 15 5G lasts longer between charges.

Software longevity

Agni 3 33Redmi Note 15 5G 49

The Redmi Note 15 5G is supported until Dec 2029 — 14 months longer than the Agni 3.

Value

Agni 3 72Redmi Note 15 5G 71

Pound for pound, these two are equally good deals.

Full spec table

Spec	Agni 3	Redmi Note 15 5G
Price (street)	$245	$250
Display	6.78-inch AMOLED, FHD+, 120Hz, 10-bit; plus a 1.74-inch secondary AMOLED on the back	6.77-inch AMOLED, FHD+, 120Hz, 3200 nits peak
Chipset	MediaTek Dimensity 7300X (4nm)	Qualcomm Snapdragon 6 Gen 3
RAM	8GB	8GB
Storage	128GB/256GB	256GB/512GB
Battery	5,000 mAh	5,520 mAh
Charging	66W wired	45W wired
Rear cameras	50MP main, 8MP ultra-wide, 8MP depth	108MP main, 8MP ultra-wide
Dimensions	163.7 × 75.5 × 8.8 mm	164 × 75.4 × 7.4 mm
Weight	212 g	178 g
Water resistance	IP64	IP66
Supported until	Oct 2028	Dec 2029

Agni 3 full verdict →Redmi Note 15 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.