Agni 3 vs K12
It depends
Too close to call outright
These two are within 2 points overall, so it depends on you: keep phones for years → Agni 3 (supported until Oct 2028); want maximum speed → K12 (Qualcomm Snapdragon 7 Gen 3 (4nm)).
Value Score: Agni 3 72 · K12 70 — methodology
The lifespan decider
When specs are close, support length decides it — this is what each phone costs per month of safe use.
Category by category
Both displays are effectively the same class.
The K12's Qualcomm Snapdragon 7 Gen 3 (4nm) is simply the faster chip.
The Agni 3 has the stronger camera system (3 real rear lenses vs 2).
5,500mAh vs 5,000mAh — the K12 lasts longer between charges.
The Agni 3 is supported until Oct 2028 — 5 months longer than the K12.
Pound for pound, these two are equally good deals.
Full spec table
| Spec | Agni 3 | K12 |
|---|---|---|
| Price (street) | $245 | $265 |
| Display | 6.78-inch AMOLED, FHD+, 120Hz, 10-bit; plus a 1.74-inch secondary AMOLED on the back | 6.7-inch AMOLED, FHD+, 120Hz, HDR10+, 1100 nits peak |
| Chipset | MediaTek Dimensity 7300X (4nm) | Qualcomm Snapdragon 7 Gen 3 (4nm) |
| RAM | 8GB | 8GB/12GB |
| Storage | 128GB/256GB | 256GB/512GB |
| Battery | 5,000 mAh | 5,500 mAh |
| Charging | 66W wired | 100W wired SuperVOOC |
| Rear cameras | 50MP main, 8MP ultra-wide, 8MP depth | 50MP main, 8MP ultra-wide |
| Dimensions | 163.7 × 75.5 × 8.8 mm | 162.5 × 75.3 × 8.4 mm |
| Weight | 212 g | 186 g |
| Water resistance | IP64 | IP54 |
| Supported until | Oct 2028 | Apr 2028 |
Scores and verdicts are computed from our verified database — see exactly how. Specs from manufacturer documentation; prices reflect major US retailers.