Redmi 13 5G vs Redmi K70 Ultra

Phone 1

Phone 2

Winner

Xiaomi Redmi 13 5G

Lifespan decides this one: the Redmi 13 5G is supported until Jul 2028 at $5.64 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: Redmi 13 5G 68 · 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 Redmi 13 5G $140

Buy with care$5.64/mo

2024◆ Buy-by Jul 20262028

Xiaomi Redmi K70 Ultra $380

Buy with care$15.17/mo

2024◆ Buy-by Jul 20262028

Category by category

Display

Redmi 13 5G 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

Redmi 13 5G 42Redmi K70 Ultra 95

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

Camera

Redmi 13 5G 55Redmi K70 Ultra 67

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

Battery

Redmi 13 5G 81Redmi K70 Ultra 90

5,500mAh vs 5,030mAh — the Redmi K70 Ultra lasts longer between charges.

Software longevity

Redmi 13 5G 30Redmi K70 Ultra 30

Both phones' support windows end around the same time.

Value

Redmi 13 5G 68Redmi K70 Ultra 73

Overall value goes to the Redmi K70 Ultra at $15.17 per month of safe use.

Full spec table

Spec	Redmi 13 5G	Redmi K70 Ultra
Price (street)	$140	$380
Display	6.79-inch IPS LCD, FHD+, 120Hz, 550 nits peak	6.67-inch AMOLED, 1.5K, 144Hz, 4000 nits peak, Dolby Vision
Chipset	Qualcomm Snapdragon 4 Gen 2 AE	MediaTek Dimensity 9300+ (4nm)
RAM	6GB/8GB	12GB/16GB/24GB
Storage	128GB/256GB	256GB/512GB/1TB
Battery	5,030 mAh	5,500 mAh
Charging	33W wired	120W wired
Rear cameras	108MP main, 2MP depth	50MP main, 8MP ultra-wide, 2MP macro
Dimensions	168.6 × 76.3 × 8.3 mm	160.4 × 75.1 × 8.4 mm
Weight	205 g	211 g
Water resistance	IP54	IP68
Supported until	Jul 2028	Jul 2028

Redmi 13 5G 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.