PhoneLifespan

Agni 3 vs Redmi K70 Ultra

vs

It depends

Too close to call outright

These two are within 1 point overall, so it depends on you: keep phones for years → Agni 3 (supported until Oct 2028); want maximum speed → Redmi K70 Ultra (MediaTek Dimensity 9300+ (4nm)).

Value Score: Agni 3 72 · Redmi K70 Ultra 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
Xiaomi Redmi K70 Ultra $380
Buy with care$15.17/mo
2024◆ Buy-by Jul 20262028

Category by category

Display
Agni 3 70Redmi K70 Ultra 80

The Redmi K70 Ultra's screen is the better one — 6.67-inch amoled, 1.5k, 144hz, 4000 nits peak, dolby vision.

Performance
Agni 3 58Redmi K70 Ultra 95

The Redmi K70 Ultra's MediaTek Dimensity 9300+ (4nm) is simply the faster chip.

Camera
Agni 3 79Redmi K70 Ultra 67

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

Battery
Agni 3 80Redmi K70 Ultra 90

5,500mAh vs 5,000mAh — the Redmi K70 Ultra lasts longer between charges.

Software longevity
Agni 3 33Redmi K70 Ultra 30

The Agni 3 is supported until Oct 2028 — 3 months longer than the Redmi K70 Ultra.

Value
Agni 3 72Redmi K70 Ultra 73

Pound for pound, these two are equally good deals.

Full spec table
SpecAgni 3Redmi K70 Ultra
Price (street)$245$380
Display6.78-inch AMOLED, FHD+, 120Hz, 10-bit; plus a 1.74-inch secondary AMOLED on the back6.67-inch AMOLED, 1.5K, 144Hz, 4000 nits peak, Dolby Vision
ChipsetMediaTek Dimensity 7300X (4nm)MediaTek Dimensity 9300+ (4nm)
RAM8GB12GB/16GB/24GB
Storage128GB/256GB256GB/512GB/1TB
Battery5,000 mAh5,500 mAh
Charging66W wired120W wired
Rear cameras50MP main, 8MP ultra-wide, 8MP depth50MP main, 8MP ultra-wide, 2MP macro
Dimensions163.7 × 75.5 × 8.8 mm160.4 × 75.1 × 8.4 mm
Weight212 g211 g
Water resistanceIP64IP68
Supported untilOct 2028Jul 2028

Scores and verdicts are computed from our verified database — see exactly how. Specs from manufacturer documentation; prices reflect major US retailers.