Narzo 80x 5G vs Redmi 15 5G

Phone 1

Phone 2

Winner

Xiaomi Redmi 15 5G

Lifespan decides this one: the Redmi 15 5G is supported until Aug 2029 at $4.80 per month of safe use, while the Narzo 80x 5G runs out in Apr 2028 ($6.88/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: Narzo 80x 5G 70 · Redmi 15 5G 75 — methodology

The lifespan decider

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

Realme Narzo 80x 5G $150

Buy with care$6.88/mo

2025◆ Buy-by Apr 20262028

Xiaomi Redmi 15 5G $180

Safe to buy$4.80/mo

2025◆ Buy-by Aug 20272029

Category by category

Display

Narzo 80x 5G 70Redmi 15 5G 70

Both displays are effectively the same class.

Performance

Narzo 80x 5G 55Redmi 15 5G 46

The Narzo 80x 5G's MediaTek Dimensity 6400 (6nm) is simply the faster chip.

Camera

Narzo 80x 5G 55Redmi 15 5G 55

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

Battery

Narzo 80x 5G 100Redmi 15 5G 100

Battery capacities are close enough not to decide this.

Software longevity

Narzo 80x 5G 26Redmi 15 5G 45

The Redmi 15 5G is supported until Aug 2029 — 16 months longer than the Narzo 80x 5G.

Value

Narzo 80x 5G 70Redmi 15 5G 75

Overall value goes to the Redmi 15 5G at $4.80 per month of safe use.

Full spec table

Spec	Narzo 80x 5G	Redmi 15 5G
Price (street)	$150	$180
Display	6.72-inch IPS LCD, FHD+, 120Hz, 950 nits peak	6.9-inch IPS LCD, FHD+, 144Hz, 850 nits peak
Chipset	MediaTek Dimensity 6400 (6nm)	Qualcomm Snapdragon 6s Gen 3
RAM	4GB/6GB/8GB	4GB/6GB/8GB
Storage	128GB	128GB/256GB
Battery	6,000 mAh	7,000 mAh
Charging	45W wired SuperVOOC	33W wired, 18W reverse wired
Rear cameras	50MP main, 2MP depth	50MP main, 2MP depth
Dimensions	165.7 × 76.2 × 7.94 mm	169.5 × 80.5 × 8.4 mm
Weight	197 g	217 g
Water resistance	IP69	IP64
Supported until	Apr 2028	Aug 2029

Narzo 80x 5G full verdict →Redmi 15 5G 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.