PhoneLifespan

400 vs Razr 50

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 Razr 50 runs out in Jul 2028 ($19.83/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: 400 76 · Razr 50 53 — 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
Motorola Razr 50 $500
Buy with care$19.83/mo
2024◆ Buy-by Jul 20262028

Category by category

Display
400 80Razr 50 80

Both displays are effectively the same class.

Performance
400 64Razr 50 58

The 400's Qualcomm Snapdragon 7 Gen 3 (4nm) is simply the faster chip.

Camera
400 72Razr 50 67

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

Battery
400 86Razr 50 64

5,300mAh vs 4,200mAh — the 400 lasts longer between charges.

Software longevity
400 70Razr 50 30

The 400 is supported until May 2031 — 34 months longer than the Razr 50.

Value
400 76Razr 50 53

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

Full spec table
Spec400Razr 50
Price (street)$350$500
Display6.55-inch AMOLED, 1.5K, 120Hz, 5000 nits peak6.9-inch FHD+ (1080x2640) LTPO pOLED, 120Hz main + 3.6-inch 1056x1066 pOLED 90Hz cover display
ChipsetQualcomm Snapdragon 7 Gen 3 (4nm)MediaTek Dimensity 7300X
RAM8GB/12GB8GB/12GB
Storage256GB/512GB256GB
Battery5,300 mAh4,200 mAh
Charging66W wired (5300mAh EU model), 5W reverse wired30W wired, 15W wireless
Rear cameras200MP main, 12MP ultra-wide50MP main, 13MP ultra-wide
Dimensions156.5 × 74.6 × 7.3 mm171.3 × 74 × 7.3 mm (unfolded)
Weight184 g188 g
Water resistanceIP65/IP66 (market dependent)IPX8
Supported untilMay 2031Jul 2028
400 full verdict →Razr 50 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.