13 Ultra 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 13 Ultra runs out in Apr 2028 ($29.52/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: 13 Ultra 62 · 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.

Xiaomi 13 Ultra $650

Buy with care$29.52/mo

2023◆ Buy-by Apr 20262028

Xiaomi Redmi K80 $355

Safe to buy$8.59/mo

2024◆ Buy-by Nov 20272029

Category by category

Display

13 Ultra 90Redmi K80 80

The 13 Ultra's screen is the better one — 6.73-inch ltpo amoled, 3200 x 1440, 120hz.

Performance

13 Ultra 85Redmi K80 92

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

Camera

13 Ultra 91Redmi K80 67

The 13 Ultra has the stronger camera system (4 real rear lenses vs 2).

Battery

13 Ultra 80Redmi K80 100

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

Software longevity

13 Ultra 26Redmi K80 49

The Redmi K80 is supported until Nov 2029 — 19 months longer than the 13 Ultra.

Value

13 Ultra 62Redmi K80 79

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

Full spec table

Spec	13 Ultra	Redmi K80
Price (street)	$650	$355
Display	6.73-inch LTPO AMOLED, 3200 x 1440, 120Hz	6.67-inch AMOLED, 2K, 120Hz, 3200 nits peak
Chipset	Qualcomm Snapdragon 8 Gen 2	Qualcomm Snapdragon 8 Gen 3 (4nm)
RAM	12GB/16GB	12GB/16GB
Storage	256GB/512GB/1TB	256GB/512GB/1TB
Battery	5,000 mAh	6,550 mAh
Charging	90W wired, 50W wireless	90W wired, 30W wireless
Rear cameras	50MP main, 50MP ultra-wide, 50MP telephoto 3.2x, 50MP periscope telephoto 5x	50MP main, 8MP ultra-wide, 2MP macro
Dimensions	163.2 × 74.6 × 9.1 mm	160.3 × 75.0 × 8.0 mm
Weight	227 g	206 g
Water resistance	IP68	IP68
Supported until	Apr 2028	Nov 2029

13 Ultra 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.