Edge 70 vs 15 Ultra

Phone 1

Phone 2

Winner

Xiaomi 15 Ultra

The 15 Ultra wins this one, taking performance and camera decisively. Against the Edge 70 it's also the sounder buy at $30.36 per month of safe use.

Value Score: Edge 70 55 · 15 Ultra 65 — methodology

The lifespan decider

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

Motorola Edge 70 $730

Safe to buy$18.08/mo

2025◆ Buy-by Oct 20272029

Xiaomi 15 Ultra $1350

Safe to buy$30.36/mo

2025◆ Buy-by Mar 20282030

Category by category

Display

Edge 70 8015 Ultra 100

The 15 Ultra's screen is the better one — 6.73-inch 2k (1440×3200) ltpo amoled, 1–120hz, up to 3200 nits peak.

Performance

Edge 70 5515 Ultra 98

The 15 Ultra's Qualcomm Snapdragon 8 Elite (3nm) is simply the faster chip.

Camera

Edge 70 6715 Ultra 96

The 15 Ultra has the stronger camera system (4 real rear lenses vs 2).

Battery

Edge 70 7615 Ultra 88

5,410mAh vs 4,800mAh — the 15 Ultra lasts longer between charges.

Software longevity

Edge 70 4815 Ultra 53

The 15 Ultra is supported until Mar 2030 — 4 months longer than the Edge 70.

Value

Edge 70 5515 Ultra 65

Overall value goes to the 15 Ultra at $30.36 per month of safe use.

Full spec table

Spec	Edge 70	15 Ultra
Price (street)	$730	$1350
Display	6.7-inch P-OLED, 1.5K, 120Hz, up to 4500 nits	6.73-inch 2K (1440×3200) LTPO AMOLED, 1–120Hz, up to 3200 nits peak
Chipset	Qualcomm Snapdragon 7 Gen 4	Qualcomm Snapdragon 8 Elite (3nm)
RAM	12GB	16GB
Storage	256GB/512GB	512GB/1TB
Battery	4,800 mAh	5,410 mAh
Charging	68W wired, 15W wireless	90W wired, 80W wireless
Rear cameras	50MP main, 50MP ultra-wide	50MP main, 50MP ultra-wide, 50MP telephoto (70mm floating), 200MP periscope telephoto
Dimensions	160 × 74 × 5.99 mm	161.3 × 75.3 × 9.35 mm
Weight	159 g	226 g
Water resistance	IP68/IP69	IP68
Supported until	Oct 2029	Mar 2030

Edge 70 full verdict →15 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.