Poco F8 Pro vs Redmi K70 Ultra

Phone 1

Phone 2

Winner

Xiaomi Poco F8 Pro

Lifespan decides this one: the Poco F8 Pro is supported until Nov 2031 at $10.72 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 F8 Pro 74 · 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 F8 Pro $700

Safe to buy$10.72/mo

2025◆ Buy-by Nov 20292031

Xiaomi Redmi K70 Ultra $380

Buy with care$15.17/mo

2024◆ Buy-by Jul 20262028

Category by category

Display

Poco F8 Pro 70Redmi K70 Ultra 80

The Redmi K70 Ultra's screen is the better one — 6.67-inch amoled, 1.5k, 144hz, 4000 nits peak, dolby vision.

Performance

Poco F8 Pro 98Redmi K70 Ultra 95

Performance is a wash — same chip tier.

Camera

Poco F8 Pro 79Redmi K70 Ultra 67

The Poco F8 Pro has the stronger camera system (3 real rear lenses vs 2).

Battery

Poco F8 Pro 100Redmi K70 Ultra 90

6,210mAh vs 5,500mAh — the Poco F8 Pro lasts longer between charges.

Software longevity

Poco F8 Pro 78Redmi K70 Ultra 30

The Poco F8 Pro is supported until Nov 2031 — 40 months longer than the Redmi K70 Ultra.

Value

Poco F8 Pro 74Redmi K70 Ultra 73

Pound for pound, these two are equally good deals.

Full spec table

Spec	Poco F8 Pro	Redmi K70 Ultra
Price (street)	$700	$380
Display	6.59-inch AMOLED LTPS, FHD+, 120Hz	6.67-inch AMOLED, 1.5K, 144Hz, 4000 nits peak, Dolby Vision
Chipset	Qualcomm Snapdragon 8 Elite	MediaTek Dimensity 9300+ (4nm)
RAM	12GB	12GB/16GB/24GB
Storage	256GB/512GB	256GB/512GB/1TB
Battery	6,210 mAh	5,500 mAh
Charging	100W wired	120W wired
Rear cameras	50MP main, 50MP telephoto, 8MP ultra-wide	50MP main, 8MP ultra-wide, 2MP macro
Dimensions	157.5 × 75.3 × 8.0 mm	160.4 × 75.1 × 8.4 mm
Weight	199 g	211 g
Water resistance	IP68	IP68
Supported until	Nov 2031	Jul 2028

Poco F8 Pro 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.