Poco X7 5G vs Redmi K70 Ultra

Phone 1

Phone 2

Winner

Xiaomi Poco X7 5G

Lifespan decides this one: the Poco X7 5G is supported until Jan 2029 at $7.48 per month of safe use, while the Redmi K70 Ultra runs out in Jul 2028 ($15.17/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: Poco X7 5G 75 · Redmi K70 Ultra 73 — methodology

The lifespan decider

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

Xiaomi Poco X7 5G $230

Buy with care$7.48/mo

2025◆ Buy-by Jan 20272029

Xiaomi Redmi K70 Ultra $380

Buy with care$15.17/mo

2024◆ Buy-by Jul 20262028

Category by category

Display

Poco X7 5G 80Redmi K70 Ultra 80

Both displays are effectively the same class.

Performance

Poco X7 5G 58Redmi K70 Ultra 95

The Redmi K70 Ultra's MediaTek Dimensity 9300+ (4nm) is simply the faster chip.

Camera

Poco X7 5G 67Redmi K70 Ultra 67

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

Battery

Poco X7 5G 90Redmi K70 Ultra 90

Battery capacities are close enough not to decide this.

Software longevity

Poco X7 5G 37Redmi K70 Ultra 30

The Poco X7 5G is supported until Jan 2029 — 6 months longer than the Redmi K70 Ultra.

Value

Poco X7 5G 75Redmi K70 Ultra 73

Pound for pound, these two are equally good deals.

Full spec table

Spec	Poco X7 5G	Redmi K70 Ultra
Price (street)	$230	$380
Display	6.67-inch AMOLED, 1.5K (446 ppi), 120Hz, 3000 nits peak, Gorilla Glass Victus 2	6.67-inch AMOLED, 1.5K, 144Hz, 4000 nits peak, Dolby Vision
Chipset	MediaTek Dimensity 7300 Ultra (4nm)	MediaTek Dimensity 9300+ (4nm)
RAM	8GB/12GB	12GB/16GB/24GB
Storage	128GB/256GB/512GB	256GB/512GB/1TB
Battery	5,500 mAh	5,500 mAh
Charging	45W wired	120W wired
Rear cameras	50MP main, 8MP ultra-wide, 2MP macro	50MP main, 8MP ultra-wide, 2MP macro
Dimensions	162.3 × 74.4 × 8.4 mm	160.4 × 75.1 × 8.4 mm
Weight	190 g	211 g
Water resistance	IP68 (also IP69)	IP68
Supported until	Jan 2029	Jul 2028

Poco X7 5G full verdict →Redmi K70 Ultra 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.