PhoneLifespan

400 vs Galaxy M17 5G

vs

It depends

Too close to call outright

These two are within 1 point overall, so it depends on you: keep phones for years → Galaxy M17 5G (supported until Oct 2031); want maximum speed → 400 (Qualcomm Snapdragon 7 Gen 3 (4nm)).

Value Score: 400 76 · Galaxy M17 5G 75 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
Samsung Galaxy M17 5G $195
Safe to buy$3.05/mo
2025◆ Buy-by Oct 20292031

Category by category

Display
400 80Galaxy M17 5G 50

The 400's screen is the better one — 6.55-inch amoled, 1.5k, 120hz, 5000 nits peak.

Performance
400 64Galaxy M17 5G 45

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

Camera
400 72Galaxy M17 5G 55

The 400 has the stronger camera system (2 real rear lenses vs 1).

Battery
400 86Galaxy M17 5G 80

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

Software longevity
400 70Galaxy M17 5G 76

The Galaxy M17 5G is supported until Oct 2031 — 5 months longer than the 400.

Value
400 76Galaxy M17 5G 75

Pound for pound, these two are equally good deals.

Full spec table
Spec400Galaxy M17 5G
Price (street)$350$195
Display6.55-inch AMOLED, 1.5K, 120Hz, 5000 nits peak6.7-inch Super AMOLED, FHD+, 90Hz, Gorilla Glass Victus
ChipsetQualcomm Snapdragon 7 Gen 3 (4nm)Samsung Exynos 1330 (5nm)
RAM8GB/12GB4GB/6GB/8GB
Storage256GB/512GB128GB
Battery5,300 mAh5,000 mAh
Charging66W wired (5300mAh EU model), 5W reverse wired25W wired
Rear cameras200MP main, 12MP ultra-wide50MP main, 5MP ultra-wide, 2MP macro
Dimensions156.5 × 74.6 × 7.3 mm164.4 × 77.9 × 7.5 mm
Weight184 g192 g
Water resistanceIP65/IP66 (market dependent)IP54
Supported untilMay 2031Oct 2031

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