PhoneLifespan

400 Pro vs iQOO 12

vs

Winner

Honor 400 Pro

Lifespan decides this one: the 400 Pro is supported until May 2031 at $11.81 per month of safe use, while the iQOO 12 runs out in Nov 2028 ($19.42/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: 400 Pro 70 · iQOO 12 66 methodology

The lifespan decider

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

Honor 400 Pro $700
Safe to buy$11.81/mo
2025◆ Buy-by May 20292031
Vivo iQOO 12 $560
Buy with care$19.42/mo
2023◆ Buy-by Nov 20262028

Category by category

Display
400 Pro 70iQOO 12 90

The iQOO 12's screen is the better one — 6.78-inch ltpo amoled, 2800x1260, 144hz, up to 3000 nits peak.

Performance
400 Pro 92iQOO 12 92

Performance is a wash — same chip tier.

Camera
400 Pro 84iQOO 12 79

The 400 Pro has the stronger camera system — same lens count, higher-grade sensors.

Battery
400 Pro 86iQOO 12 80

5,300mAh vs 5,000mAh — the 400 Pro lasts longer between charges.

Software longevity
400 Pro 71iQOO 12 34

The 400 Pro is supported until May 2031 — 30 months longer than the iQOO 12.

Value
400 Pro 70iQOO 12 66

Overall value goes to the 400 Pro at $11.81 per month of safe use.

Full spec table
Spec400 ProiQOO 12
Price (street)$700$560
Display6.7-inch AMOLED, 2800x1280, 120Hz6.78-inch LTPO AMOLED, 2800x1260, 144Hz, up to 3000 nits peak
ChipsetQualcomm Snapdragon 8 Gen 3Qualcomm Snapdragon 8 Gen 3
RAM12GB/16GB12GB/16GB
Storage256GB/512GB256GB/512GB
Battery5,300 mAh5,000 mAh
Charging100W wired, 50W wireless120W wired
Rear cameras200MP main, 50MP telephoto 3x, 12MP ultra-wide50MP main, 50MP ultra-wide, 64MP telephoto 3x periscope
Dimensions160.8 × 76.1 × 8.1 mm163.2 × 75.9 × 8.1 mm
Weight205 g199 g
Water resistanceIP68/IP69IP64
Supported untilMay 2031Nov 2028

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