PhoneLifespan

Agni 3 vs 12R

vs

Winner

Lava Agni 3

Lifespan decides this one: the Agni 3 is supported until Oct 2028 at $8.83 per month of safe use, while the 12R runs out in Jan 2028 ($18.23/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: Agni 3 72 · 12R 73 — 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
OnePlus 12R $350
Buy with care$18.23/mo
2024◆ Buy-by Jan 20262028

Category by category

Display
Agni 3 7012R 90

The 12R's screen is the better one — 6.78-inch ltpo amoled proxdr, 2780×1264 (450 ppi), 1–120hz, up to 4500 nits peak.

Performance
Agni 3 5812R 85

The 12R's Snapdragon 8 Gen 2 is simply the faster chip.

Camera
Agni 3 7912R 67

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

Battery
Agni 3 8012R 90

5,500mAh vs 5,000mAh — the 12R lasts longer between charges.

Software longevity
Agni 3 3312R 23

The Agni 3 is supported until Oct 2028 — 9 months longer than the 12R.

Value
Agni 3 7212R 73

Pound for pound, these two are equally good deals.

Full spec table
SpecAgni 312R
Price (street)$245$350
Display6.78-inch AMOLED, FHD+, 120Hz, 10-bit; plus a 1.74-inch secondary AMOLED on the back6.78-inch LTPO AMOLED ProXDR, 2780×1264 (450 ppi), 1–120Hz, up to 4500 nits peak
ChipsetMediaTek Dimensity 7300X (4nm)Snapdragon 8 Gen 2
RAM8GB8GB/16GB
Storage128GB/256GB128GB/256GB
Battery5,000 mAh5,500 mAh
Charging66W wired80W SUPERVOOC wired, no wireless
Rear cameras50MP main, 8MP ultra-wide, 8MP depth50MP main, 8MP ultra-wide, 2MP macro
Dimensions163.7 × 75.5 × 8.8 mm163.3 × 75.3 × 8.8 mm
Weight212 g207 g
Water resistanceIP64IP64
Supported untilOct 2028Jan 2028
Agni 3 full verdict →12R 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.