Galaxy S24 vs Redmi K70 Ultra

Phone 1

Phone 2

Winner

Samsung Galaxy S24

Lifespan decides this one: the Galaxy S24 is supported until Jan 2031 at $9.90 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: Galaxy S24 71 · 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.

Samsung Galaxy S24 $549

Safe to buy$9.90/mo

2024◆ Buy-by Jan 20292031

Xiaomi Redmi K70 Ultra $380

Buy with care$15.17/mo

2024◆ Buy-by Jul 20262028

Category by category

Display

Galaxy S24 90Redmi K70 Ultra 80

The Galaxy S24's screen is the better one — 6.2-inch dynamic amoled 2x, fhd+ (2340×1080), 1–120hz, up to 2600 nits.

Performance

Galaxy S24 92Redmi K70 Ultra 95

Performance is a wash — same chip tier.

Camera

Galaxy S24 79Redmi K70 Ultra 67

The Galaxy S24 has the stronger camera system (3 real rear lenses vs 2).

Battery

Galaxy S24 60Redmi K70 Ultra 90

5,500mAh vs 4,000mAh — the Redmi K70 Ultra lasts longer between charges.

Software longevity

Galaxy S24 66Redmi K70 Ultra 30

The Galaxy S24 is supported until Jan 2031 — 30 months longer than the Redmi K70 Ultra.

Value

Galaxy S24 71Redmi K70 Ultra 73

Pound for pound, these two are equally good deals.

Full spec table

Spec	Galaxy S24	Redmi K70 Ultra
Price (street)	$549	$380
Display	6.2-inch Dynamic AMOLED 2X, FHD+ (2340×1080), 1–120Hz, up to 2600 nits	6.67-inch AMOLED, 1.5K, 144Hz, 4000 nits peak, Dolby Vision
Chipset	Snapdragon 8 Gen 3 for Galaxy (US)	MediaTek Dimensity 9300+ (4nm)
RAM	8GB	12GB/16GB/24GB
Storage	128GB/256GB/512GB	256GB/512GB/1TB
Battery	4,000 mAh	5,500 mAh
Charging	25W wired, 15W wireless	120W wired
Rear cameras	50MP main, 12MP ultra-wide, 10MP telephoto 3x	50MP main, 8MP ultra-wide, 2MP macro
Dimensions	147.0 × 70.6 × 7.6 mm	160.4 × 75.1 × 8.4 mm
Weight	167 g	211 g
Water resistance	IP68	IP68
Supported until	Jan 2031	Jul 2028

Galaxy S24 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.