PhoneLifespan

Moto G15 vs Redmi K80

vs

Winner

Xiaomi Redmi K80

Lifespan decides this one: the Redmi K80 is supported until Nov 2029 at $8.59 per month of safe use, while the Moto G15 runs out in Feb 2028 ($8.81/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: Moto G15 65 · Redmi K80 79 methodology

The lifespan decider

When specs are close, support length decides it — this is what each phone costs per month of safe use.

Motorola Moto G15 $175
Buy with care$8.81/mo
2025◆ Buy-by Feb 20262028
Xiaomi Redmi K80 $355
Safe to buy$8.59/mo
2024◆ Buy-by Nov 20272029

Category by category

Display
Moto G15 70Redmi K80 80

The Redmi K80's screen is the better one — 6.67-inch amoled, 2k, 120hz, 3200 nits peak.

Performance
Moto G15 39Redmi K80 92

The Redmi K80's Qualcomm Snapdragon 8 Gen 3 (4nm) is simply the faster chip.

Camera
Moto G15 55Redmi K80 67

The Redmi K80 has the stronger camera system (2 real rear lenses vs 1).

Battery
Moto G15 84Redmi K80 100

6,550mAh vs 5,200mAh — the Redmi K80 lasts longer between charges.

Software longevity
Moto G15 24Redmi K80 49

The Redmi K80 is supported until Nov 2029 — 21 months longer than the Moto G15.

Value
Moto G15 65Redmi K80 79

Overall value goes to the Redmi K80 at $8.59 per month of safe use.

Full spec table
SpecMoto G15Redmi K80
Price (street)$175$355
Display6.72-inch IPS LCD, FHD+, 120Hz6.67-inch AMOLED, 2K, 120Hz, 3200 nits peak
ChipsetMediaTek Helio G81 ExtremeQualcomm Snapdragon 8 Gen 3 (4nm)
RAM4GB/8GB12GB/16GB
Storage128GB/256GB/512GB256GB/512GB/1TB
Battery5,200 mAh6,550 mAh
Charging18W wired90W wired, 30W wireless
Rear cameras50MP main, 2MP macro50MP main, 8MP ultra-wide, 2MP macro
Dimensions165.7 × 76 × 8.2 mm160.3 × 75.0 × 8.0 mm
Weight190 g206 g
Water resistanceIP54IP68
Supported untilFeb 2028Nov 2029

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