PhoneLifespan

K12 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 K12 runs out in Apr 2028 ($11.84/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: K12 70 · 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.

Oppo K12 $265
Buy with care$11.84/mo
2024◆ Buy-by Apr 20262028
Xiaomi Redmi K80 $355
Safe to buy$8.59/mo
2024◆ Buy-by Nov 20272029

Category by category

Display
K12 70Redmi K80 80

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

Performance
K12 64Redmi K80 92

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

Camera
K12 67Redmi K80 67

Camera systems are comparable on paper — pick by sample photos.

Battery
K12 90Redmi K80 100

6,550mAh vs 5,500mAh — the Redmi K80 lasts longer between charges.

Software longevity
K12 27Redmi K80 49

The Redmi K80 is supported until Nov 2029 — 19 months longer than the K12.

Value
K12 70Redmi K80 79

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

Full spec table
SpecK12Redmi K80
Price (street)$265$355
Display6.7-inch AMOLED, FHD+, 120Hz, HDR10+, 1100 nits peak6.67-inch AMOLED, 2K, 120Hz, 3200 nits peak
ChipsetQualcomm Snapdragon 7 Gen 3 (4nm)Qualcomm Snapdragon 8 Gen 3 (4nm)
RAM8GB/12GB12GB/16GB
Storage256GB/512GB256GB/512GB/1TB
Battery5,500 mAh6,550 mAh
Charging100W wired SuperVOOC90W wired, 30W wireless
Rear cameras50MP main, 8MP ultra-wide50MP main, 8MP ultra-wide, 2MP macro
Dimensions162.5 × 75.3 × 8.4 mm160.3 × 75.0 × 8.0 mm
Weight186 g206 g
Water resistanceIP54IP68
Supported untilApr 2028Nov 2029
K12 full verdict →Redmi K80 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.