Note Edge vs Redmi K70 Ultra

Phone 1

Phone 2

Winner

Infinix Note Edge

Lifespan decides this one: the Note Edge is supported until Feb 2031 at $4.64 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: Note Edge 77 · 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.

Infinix Note Edge $260

Safe to buy$4.64/mo

2026◆ Buy-by Feb 20292031

Xiaomi Redmi K70 Ultra $380

Buy with care$15.17/mo

2024◆ Buy-by Jul 20262028

Category by category

Display

Note Edge 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

Note Edge 56Redmi K70 Ultra 95

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

Camera

Note Edge 55Redmi K70 Ultra 67

The Redmi K70 Ultra has the stronger camera system (2 real rear lenses vs 1).

Battery

Note Edge 100Redmi K70 Ultra 90

6,500mAh vs 5,500mAh — the Note Edge lasts longer between charges.

Software longevity

Note Edge 67Redmi K70 Ultra 30

The Note Edge is supported until Feb 2031 — 31 months longer than the Redmi K70 Ultra.

Value

Note Edge 77Redmi K70 Ultra 73

Overall value goes to the Note Edge at $4.64 per month of safe use.

Full spec table

Spec	Note Edge	Redmi K70 Ultra
Price (street)	$260	$380
Display	6.78-inch curved AMOLED, 1.5K, 120Hz	6.67-inch AMOLED, 1.5K, 144Hz, 4000 nits peak, Dolby Vision
Chipset	MediaTek Dimensity 7100	MediaTek Dimensity 9300+ (4nm)
RAM	6GB/8GB	12GB/16GB/24GB
Storage	128GB/256GB	256GB/512GB/1TB
Battery	6,500 mAh	5,500 mAh
Charging	45W wired	120W wired
Rear cameras	50MP main	50MP main, 8MP ultra-wide, 2MP macro
Dimensions	163 × 77.4 × 7.2 mm	160.4 × 75.1 × 8.4 mm
Weight	190 g	211 g
Water resistance	IP65	IP68
Supported until	Feb 2031	Jul 2028

Note Edge 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.