Poco F7 Ultra vs Redmi K70 Ultra

Phone 1

Phone 2

Winner

Xiaomi Poco F7 Ultra

Lifespan decides this one: the Poco F7 Ultra is supported until Mar 2031 at $12.20 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 F7 Ultra 71 · 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 F7 Ultra $699

Safe to buy$12.20/mo

2025◆ Buy-by Mar 20292031

Xiaomi Redmi K70 Ultra $380

Buy with care$15.17/mo

2024◆ Buy-by Jul 20262028

Category by category

Display

Poco F7 Ultra 80Redmi K70 Ultra 80

Both displays are effectively the same class.

Performance

Poco F7 Ultra 98Redmi K70 Ultra 95

Performance is a wash — same chip tier.

Camera

Poco F7 Ultra 79Redmi K70 Ultra 67

The Poco F7 Ultra has the stronger camera system (3 real rear lenses vs 2).

Battery

Poco F7 Ultra 86Redmi K70 Ultra 90

5,500mAh vs 5,300mAh — the Redmi K70 Ultra lasts longer between charges.

Software longevity

Poco F7 Ultra 68Redmi K70 Ultra 30

The Poco F7 Ultra is supported until Mar 2031 — 32 months longer than the Redmi K70 Ultra.

Value

Poco F7 Ultra 71Redmi K70 Ultra 73

Pound for pound, these two are equally good deals.

Full spec table

Spec	Poco F7 Ultra	Redmi K70 Ultra
Price (street)	$699	$380
Display	6.67-inch AMOLED, 3200x1440 (WQHD+), 120Hz	6.67-inch AMOLED, 1.5K, 144Hz, 4000 nits peak, Dolby Vision
Chipset	Qualcomm Snapdragon 8 Elite	MediaTek Dimensity 9300+ (4nm)
RAM	12GB/16GB	12GB/16GB/24GB
Storage	256GB/512GB	256GB/512GB/1TB
Battery	5,300 mAh	5,500 mAh
Charging	120W wired, 50W wireless	120W wired
Rear cameras	50MP main, 50MP telephoto 2.5x, 32MP ultra-wide	50MP main, 8MP ultra-wide, 2MP macro
Dimensions	160.3 × 75 × 8.4 mm	160.4 × 75.1 × 8.4 mm
Weight	212 g	211 g
Water resistance	IP68	IP68
Supported until	Mar 2031	Jul 2028

Poco F7 Ultra 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.