GT 6T 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 GT 6T runs out in May 2028 ($14.57/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: GT 6T 72 · 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.

Realme GT 6T $340

Buy with care$14.57/mo

2024◆ Buy-by May 20262028

Xiaomi Redmi Note 15 5G $250

Safe to buy$6.03/mo

2025◆ Buy-by Dec 20272029

Category by category

Display

GT 6T 90Redmi Note 15 5G 80

The GT 6T's screen is the better one — 6.78-inch ltpo amoled, 1.5k, 120hz, up to 6000 nits peak, gorilla glass victus 2.

Performance

GT 6T 78Redmi Note 15 5G 48

The GT 6T's Qualcomm Snapdragon 7+ Gen 3 (4nm) is simply the faster chip.

Camera

GT 6T 67Redmi Note 15 5G 67

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

Battery

GT 6T 90Redmi Note 15 5G 90

Battery capacities are close enough not to decide this.

Software longevity

GT 6T 28Redmi Note 15 5G 49

The Redmi Note 15 5G is supported until Dec 2029 — 18 months longer than the GT 6T.

Value

GT 6T 72Redmi Note 15 5G 71

Pound for pound, these two are equally good deals.

Full spec table

Spec	GT 6T	Redmi Note 15 5G
Price (street)	$340	$250
Display	6.78-inch LTPO AMOLED, 1.5K, 120Hz, up to 6000 nits peak, Gorilla Glass Victus 2	6.77-inch AMOLED, FHD+, 120Hz, 3200 nits peak
Chipset	Qualcomm Snapdragon 7+ Gen 3 (4nm)	Qualcomm Snapdragon 6 Gen 3
RAM	8GB/12GB	8GB
Storage	128GB/256GB/512GB	256GB/512GB
Battery	5,500 mAh	5,520 mAh
Charging	120W wired (50% in 10 min)	45W wired
Rear cameras	50MP main, 8MP ultra-wide	108MP main, 8MP ultra-wide
Dimensions	162 × 75.1 × 8.7 mm	164 × 75.4 × 7.4 mm
Weight	191 g	178 g
Water resistance	IP65	IP66
Supported until	May 2028	Dec 2029

GT 6T 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.