Spark 40 Pro+ 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 Spark 40 Pro+ runs out in Jul 2028 ($11.76/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: Spark 40 Pro+ 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.

Tecno Spark 40 Pro+ $290

Buy with care$11.76/mo

2025◆ Buy-by Jul 20262028

Xiaomi Redmi K80 $355

Safe to buy$8.59/mo

2024◆ Buy-by Nov 20272029

Category by category

Display

Spark 40 Pro+ 80Redmi K80 80

Both displays are effectively the same class.

Performance

Spark 40 Pro+ 55Redmi K80 92

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

Camera

Spark 40 Pro+ 55Redmi K80 67

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

Battery

Spark 40 Pro+ 84Redmi K80 100

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

Software longevity

Spark 40 Pro+ 29Redmi K80 49

The Redmi K80 is supported until Nov 2029 — 17 months longer than the Spark 40 Pro+.

Value

Spark 40 Pro+ 63Redmi K80 79

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

Full spec table

Spec	Spark 40 Pro+	Redmi K80
Price (street)	$290	$355
Display	6.78-inch curved AMOLED, 1.5K, 144Hz, up to 4500 nits peak, under-display fingerprint	6.67-inch AMOLED, 2K, 120Hz, 3200 nits peak
Chipset	MediaTek Helio G200	Qualcomm Snapdragon 8 Gen 3 (4nm)
RAM	8GB	12GB/16GB
Storage	128GB/256GB	256GB/512GB/1TB
Battery	5,200 mAh	6,550 mAh
Charging	45W wired, 30W wireless, 5W reverse wireless	90W wired, 30W wireless
Rear cameras	50MP main, 2MP depth	50MP main, 8MP ultra-wide, 2MP macro
Dimensions	163.9 × 75.8 × 6.5 mm	160.3 × 75.0 × 8.0 mm
Weight	160 g	206 g
Water resistance	IP64	IP68
Supported until	Jul 2028	Nov 2029

Spark 40 Pro+ 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.