PhoneLifespan

400 vs Poco F6 Pro

vs

Winner

Honor 400

Lifespan decides this one: the 400 is supported until May 2031 at $5.92 per month of safe use, while the Poco F6 Pro runs out in May 2028 ($17.21/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: 400 76 · Poco F6 Pro 67 — 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 $350
Safe to buy$5.92/mo
2025◆ Buy-by May 20292031
Xiaomi Poco F6 Pro $399
Buy with care$17.21/mo
2024◆ Buy-by May 20262028

Category by category

Display
400 80Poco F6 Pro 80

Both displays are effectively the same class.

Performance
400 64Poco F6 Pro 85

The Poco F6 Pro's Qualcomm Snapdragon 8 Gen 2 is simply the faster chip.

Camera
400 72Poco F6 Pro 67

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

Battery
400 86Poco F6 Pro 80

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

Software longevity
400 70Poco F6 Pro 28

The 400 is supported until May 2031 — 36 months longer than the Poco F6 Pro.

Value
400 76Poco F6 Pro 67

Overall value goes to the 400 at $5.92 per month of safe use.

Full spec table
Spec400Poco F6 Pro
Price (street)$350$399
Display6.55-inch AMOLED, 1.5K, 120Hz, 5000 nits peak6.67-inch AMOLED, 3200x1440 (WQHD+), 120Hz
ChipsetQualcomm Snapdragon 7 Gen 3 (4nm)Qualcomm Snapdragon 8 Gen 2
RAM8GB/12GB12GB/16GB
Storage256GB/512GB256GB/512GB/1TB
Battery5,300 mAh5,000 mAh
Charging66W wired (5300mAh EU model), 5W reverse wired120W wired
Rear cameras200MP main, 12MP ultra-wide50MP main, 8MP ultra-wide
Dimensions156.5 × 74.6 × 7.3 mm163 × 75.3 × 8.2 mm
Weight184 g209 g
Water resistanceIP65/IP66 (market dependent)IP54
Supported untilMay 2031May 2028
400 full verdict →Poco F6 Pro 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.