Redmi 14C 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 Redmi 14C 5G runs out in Jan 2029 ($3.90/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: Redmi 14C 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.

Xiaomi Redmi 14C 5G $120

Buy with care$3.90/mo

2025◆ Buy-by Jan 20272029

Xiaomi Redmi 15 5G $180

Safe to buy$4.80/mo

2025◆ Buy-by Aug 20272029

Category by category

Display

Redmi 14C 5G 70Redmi 15 5G 70

Both displays are effectively the same class.

Performance

Redmi 14C 5G 42Redmi 15 5G 46

The Redmi 15 5G's Qualcomm Snapdragon 6s Gen 3 is simply the faster chip.

Camera

Redmi 14C 5G 55Redmi 15 5G 55

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

Battery

Redmi 14C 5G 83Redmi 15 5G 100

7,000mAh vs 5,160mAh — the Redmi 15 5G lasts longer between charges.

Software longevity

Redmi 14C 5G 37Redmi 15 5G 45

The Redmi 15 5G is supported until Aug 2029 — 7 months longer than the Redmi 14C 5G.

Value

Redmi 14C 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	Redmi 14C 5G	Redmi 15 5G
Price (street)	$120	$180
Display	6.88-inch IPS LCD, HD+, 120Hz	6.9-inch IPS LCD, FHD+, 144Hz, 850 nits peak
Chipset	Qualcomm Snapdragon 4 Gen 2 (4nm)	Qualcomm Snapdragon 6s Gen 3
RAM	4GB/6GB	4GB/6GB/8GB
Storage	64GB/128GB	128GB/256GB
Battery	5,160 mAh	7,000 mAh
Charging	18W wired (33W charger in box)	33W wired, 18W reverse wired
Rear cameras	50MP main	50MP main, 2MP depth
Dimensions	171.88 × 77.8 × 8.22 mm	169.5 × 80.5 × 8.4 mm
Weight	205 g	217 g
Water resistance	IP52	IP64
Supported until	Jan 2029	Aug 2029

Redmi 14C 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.