Flip 2 vs Redmi Note 15 5G

Phone 1

Phone 2

Winner

Xiaomi Redmi Note 15 5G

Lifespan decides this one: the Redmi Note 15 5G is supported until Dec 2029 at $6.03 per month of safe use, while the Flip 2 runs out in Jun 2028 ($14.92/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: Flip 2 56 · Redmi Note 15 5G 71 — methodology

The lifespan decider

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

Nubia Flip 2 $350

Buy with care$14.92/mo

2025◆ Buy-by Jun 20262028

Xiaomi Redmi Note 15 5G $250

Safe to buy$6.03/mo

2025◆ Buy-by Dec 20272029

Category by category

Display

Flip 2 70Redmi Note 15 5G 80

The Redmi Note 15 5G's screen is the better one — 6.77-inch amoled, fhd+, 120hz, 3200 nits peak.

Performance

Flip 2 58Redmi Note 15 5G 48

The Flip 2's MediaTek Dimensity 7300X is simply the faster chip.

Camera

Flip 2 55Redmi Note 15 5G 67

The Redmi Note 15 5G has the stronger camera system (2 real rear lenses vs 1).

Battery

Flip 2 67Redmi Note 15 5G 90

5,520mAh vs 4,325mAh — the Redmi Note 15 5G lasts longer between charges.

Software longevity

Flip 2 28Redmi Note 15 5G 49

The Redmi Note 15 5G is supported until Dec 2029 — 18 months longer than the Flip 2.

Value

Flip 2 56Redmi Note 15 5G 71

Overall value goes to the Redmi Note 15 5G at $6.03 per month of safe use.

Full spec table

Spec	Flip 2	Redmi Note 15 5G
Price (street)	$350	$250
Display	6.9-inch foldable OLED, 1188 x 2790, 120Hz; 3.0-inch cover OLED, 422 x 682, 900 nits	6.77-inch AMOLED, FHD+, 120Hz, 3200 nits peak
Chipset	MediaTek Dimensity 7300X	Qualcomm Snapdragon 6 Gen 3
RAM	6GB/8GB/12GB	8GB
Storage	128GB/256GB/512GB	256GB/512GB
Battery	4,325 mAh	5,520 mAh
Charging	33W wired	45W wired
Rear cameras	50MP main, 2MP depth	108MP main, 8MP ultra-wide
Dimensions	Unfolded 170 x 76 x 7.2 mm; folded 87 x 76 x 15.8 mm	164 × 75.4 × 7.4 mm
Weight	193 g	178 g
Water resistance	Splash resistant (no IP rating)	IP66
Supported until	Jun 2028	Dec 2029

Flip 2 full verdict →Redmi Note 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.