PhoneLifespan

400 Lite vs Galaxy M55 5G

vs

Winner

Honor 400 Lite

Lifespan decides this one: the 400 Lite is supported until Apr 2031 at $4.16 per month of safe use, while the Galaxy M55 5G runs out in Mar 2029 ($8.10/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: 400 Lite 72 · Galaxy M55 5G 72 — 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 Lite $240
Safe to buy$4.16/mo
2025◆ Buy-by Apr 20292031
Samsung Galaxy M55 5G $270
Buy with care$8.10/mo
2024◆ Buy-by Mar 20272029

Category by category

Display
400 Lite 80Galaxy M55 5G 70

The 400 Lite's screen is the better one — 6.7-inch amoled, fhd+, 120hz, 3500 nits peak, 3840hz pwm.

Performance
400 Lite 42Galaxy M55 5G 70

The Galaxy M55 5G's Qualcomm Snapdragon 7 Gen 1 is simply the faster chip.

Camera
400 Lite 55Galaxy M55 5G 67

The Galaxy M55 5G has the stronger camera system (2 real rear lenses vs 1).

Battery
400 Lite 85Galaxy M55 5G 80

5,230mAh vs 5,000mAh — the 400 Lite lasts longer between charges.

Software longevity
400 Lite 69Galaxy M55 5G 40

The 400 Lite is supported until Apr 2031 — 24 months longer than the Galaxy M55 5G.

Value
400 Lite 72Galaxy M55 5G 72

Pound for pound, these two are equally good deals.

Full spec table
Spec400 LiteGalaxy M55 5G
Price (street)$240$270
Display6.7-inch AMOLED, FHD+, 120Hz, 3500 nits peak, 3840Hz PWM6.7-inch Super AMOLED Plus, 1080x2400 (FHD+), 120Hz
ChipsetMediaTek Dimensity 7025 Ultra (6nm)Qualcomm Snapdragon 7 Gen 1
RAM8GB/12GB8GB/12GB
Storage256GB128GB/256GB
Battery5,230 mAh5,000 mAh
Charging35W wired45W wired
Rear cameras108MP main, 5MP ultra-wide50MP main, 8MP ultra-wide, 2MP macro
Dimensions161 × 74.6 × 7.3 mm163.9 × 76.5 × 7.8 mm
Weight171 g180 g
Water resistanceIP65None
Supported untilApr 2031Mar 2029
400 Lite full verdict →Galaxy M55 5G 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.