Zenfone 11 Ultra vs 13

Phone 1

Phone 2

Winner

OnePlus 13

Lifespan decides this one: the 13 is supported until Jan 2031 at $14.21 per month of safe use, while the Zenfone 11 Ultra runs out in Mar 2028 ($28.54/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: Zenfone 11 Ultra 61 · 13 74 — methodology

The lifespan decider

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

Asus Zenfone 11 Ultra $600

Buy with care$28.54/mo

2024◆ Buy-by Mar 20262028

OnePlus 13 $779

Safe to buy$14.21/mo

2025◆ Buy-by Jan 20292031

Category by category

Display

Zenfone 11 Ultra 7013 100

The 13's screen is the better one — 6.82-inch ltpo amoled, qhd+, 1–120hz, up to 4500 nits peak.

Performance

Zenfone 11 Ultra 9213 98

The 13's Snapdragon 8 Elite is simply the faster chip.

Camera

Zenfone 11 Ultra 7913 79

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

Battery

Zenfone 11 Ultra 9013 100

6,000mAh vs 5,500mAh — the 13 lasts longer between charges.

Software longevity

Zenfone 11 Ultra 2513 65

The 13 is supported until Jan 2031 — 34 months longer than the Zenfone 11 Ultra.

Value

Zenfone 11 Ultra 6113 74

Overall value goes to the 13 at $14.21 per month of safe use.

Full spec table

Spec	Zenfone 11 Ultra	13
Price (street)	$600	$779
Display	6.78-inch flexible E6 AMOLED, FHD+ (1080×2400), 144Hz, 2500-nit peak, 107% DCI-P3	6.82-inch LTPO AMOLED, QHD+, 1–120Hz, up to 4500 nits peak
Chipset	Snapdragon 8 Gen 3	Snapdragon 8 Elite
RAM	12GB/16GB	12GB/16GB
Storage	256GB/512GB	256GB/512GB
Battery	5,500 mAh	6,000 mAh
Charging	65W wired (HyperCharge), 15W Qi wireless	100W wired SUPERVOOC, 50W AIRVOOC wireless
Rear cameras	50MP main (Sony IMX890 1/1.56-inch, gimbal OIS), 13MP ultra-wide (120-degree), 32MP telephoto 3x (OIS)	50MP main, 50MP ultra-wide, 50MP periscope 3x
Dimensions	163.8 × 76.8 × 8.9 mm	162.9 × 76.5 × 8.5 mm
Weight	224 g	210 g
Water resistance	IP68	IP68/IP69
Supported until	Mar 2028	Jan 2031

Zenfone 11 Ultra full verdict →13 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.