15 Pro vs Redmi K70 Ultra

Phone 1

Phone 2

Winner

Xiaomi 15 Pro

Lifespan decides this one: the 15 Pro is supported until Oct 2030 at $12.41 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: 15 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 15 Pro $650

Safe to buy$12.41/mo

2024◆ Buy-by Oct 20282030

Xiaomi Redmi K70 Ultra $380

Buy with care$15.17/mo

2024◆ Buy-by Jul 20262028

Category by category

Display

15 Pro 90Redmi K70 Ultra 80

The 15 Pro's screen is the better one — 6.73-inch ltpo amoled, 3200 x 1440, 120hz.

Performance

15 Pro 98Redmi K70 Ultra 95

Performance is a wash — same chip tier.

Camera

15 Pro 79Redmi K70 Ultra 67

The 15 Pro has the stronger camera system (3 real rear lenses vs 2).

Battery

15 Pro 100Redmi K70 Ultra 90

6,100mAh vs 5,500mAh — the 15 Pro lasts longer between charges.

Software longevity

15 Pro 62Redmi K70 Ultra 30

The 15 Pro is supported until Oct 2030 — 27 months longer than the Redmi K70 Ultra.

Value

15 Pro 74Redmi K70 Ultra 73

Pound for pound, these two are equally good deals.

Full spec table

Spec	15 Pro	Redmi K70 Ultra
Price (street)	$650	$380
Display	6.73-inch LTPO AMOLED, 3200 x 1440, 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/1TB	256GB/512GB/1TB
Battery	6,100 mAh	5,500 mAh
Charging	90W wired, 50W wireless	120W wired
Rear cameras	50MP main, 50MP ultra-wide, 50MP telephoto 5x	50MP main, 8MP ultra-wide, 2MP macro
Dimensions	161.3 × 74.6 × 8.4 mm	160.4 × 75.1 × 8.4 mm
Weight	213 g	211 g
Water resistance	IP68	IP68
Supported until	Oct 2030	Jul 2028

15 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.