12 4G vs Redmi K80

Phone 1

Phone 2

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 12 4G runs out in Jul 2028 ($7.16/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: 12 4G 63 · 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.

Realme 12 4G $175

Buy with care$7.16/mo

2024◆ Buy-by Jul 20262028

Xiaomi Redmi K80 $355

Safe to buy$8.59/mo

2024◆ Buy-by Nov 20272029

Category by category

Display

12 4G 70Redmi K80 80

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

Performance

12 4G 36Redmi K80 92

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

Camera

12 4G 55Redmi K80 67

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

Battery

12 4G 80Redmi K80 100

6,550mAh vs 5,000mAh — the Redmi K80 lasts longer between charges.

Software longevity

12 4G 29Redmi K80 49

The Redmi K80 is supported until Nov 2029 — 17 months longer than the 12 4G.

Value

12 4G 63Redmi K80 79

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

Full spec table

Spec	12 4G	Redmi K80
Price (street)	$175	$355
Display	6.67-inch AMOLED, FHD+, 120Hz, up to 2000 nits peak	6.67-inch AMOLED, 2K, 120Hz, 3200 nits peak
Chipset	Qualcomm Snapdragon 685 (6nm)	Qualcomm Snapdragon 8 Gen 3 (4nm)
RAM	8GB	12GB/16GB
Storage	128GB/256GB	256GB/512GB/1TB
Battery	5,000 mAh	6,550 mAh
Charging	67W wired SUPERVOOC	90W wired, 30W wireless
Rear cameras	50MP main, 2MP depth	50MP main, 8MP ultra-wide, 2MP macro
Dimensions	163 × 75.5 × 7.9 mm	160.3 × 75.0 × 8.0 mm
Weight	187 g	206 g
Water resistance	IP54	IP68
Supported until	Jul 2028	Nov 2029

12 4G 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.