PhoneLifespan

Nord 4 vs Redmi K70 Ultra

vs

Winner

OnePlus Nord 4

Lifespan decides this one: the Nord 4 is supported until Jul 2030 at $8.18 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: Nord 4 72 · 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.

OnePlus Nord 4 $400
Safe to buy$8.18/mo
2024◆ Buy-by Jul 20282030
Xiaomi Redmi K70 Ultra $380
Buy with care$15.17/mo
2024◆ Buy-by Jul 20262028

Category by category

Display
Nord 4 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
Nord 4 78Redmi K70 Ultra 95

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

Camera
Nord 4 67Redmi K70 Ultra 67

Camera systems are comparable on paper — pick by sample photos.

Battery
Nord 4 90Redmi K70 Ultra 90

Battery capacities are close enough not to decide this.

Software longevity
Nord 4 58Redmi K70 Ultra 30

The Nord 4 is supported until Jul 2030 — 24 months longer than the Redmi K70 Ultra.

Value
Nord 4 72Redmi K70 Ultra 73

Pound for pound, these two are equally good deals.

Full spec table
SpecNord 4Redmi K70 Ultra
Price (street)$400$380
Display6.74-inch AMOLED, 1.5K (2772×1240, 450 ppi), up to 120Hz, 2150 nits peak6.67-inch AMOLED, 1.5K, 144Hz, 4000 nits peak, Dolby Vision
ChipsetSnapdragon 7+ Gen 3MediaTek Dimensity 9300+ (4nm)
RAM8GB/12GB/16GB12GB/16GB/24GB
Storage128GB/256GB/512GB256GB/512GB/1TB
Battery5,500 mAh5,500 mAh
Charging100W SUPERVOOC wired, no wireless120W wired
Rear cameras50MP main, 8MP ultra-wide50MP main, 8MP ultra-wide, 2MP macro
Dimensions162.6 × 75.3 × 7.99 mm160.4 × 75.1 × 8.4 mm
Weight200 g211 g
Water resistanceIP65IP68
Supported untilJul 2030Jul 2028

Scores and verdicts are computed from our verified database — see exactly how. Specs from manufacturer documentation; prices reflect major US retailers.