400 vs 13T

Phone 1

Phone 2

Winner

Honor 400

Lifespan decides this one: the 400 is supported until May 2031 at $5.92 per month of safe use, while the 13T runs out in Sep 2028 ($12.81/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: 400 76 · 13T 69 — 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 13T $350

Buy with care$12.81/mo

2023◆ Buy-by Sep 20262028

Category by category

Display

400 8013T 70

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

Performance

400 6413T 75

The 13T's MediaTek Dimensity 8200 Ultra is simply the faster chip.

Camera

400 7213T 79

The 13T has the stronger camera system (3 real rear lenses vs 2).

Battery

400 8613T 80

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

Software longevity

400 7013T 33

The 400 is supported until May 2031 — 32 months longer than the 13T.

Value

400 7613T 69

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

Full spec table

Spec	400	13T
Price (street)	$350	$350
Display	6.55-inch AMOLED, 1.5K, 120Hz, 5000 nits peak	6.67-inch AMOLED, 2712 x 1220, 144Hz
Chipset	Qualcomm Snapdragon 7 Gen 3 (4nm)	MediaTek Dimensity 8200 Ultra
RAM	8GB/12GB	8GB/12GB
Storage	256GB/512GB	256GB
Battery	5,300 mAh	5,000 mAh
Charging	66W wired (5300mAh EU model), 5W reverse wired	67W wired
Rear cameras	200MP main, 12MP ultra-wide	50MP main, 12MP ultra-wide, 50MP telephoto 2x
Dimensions	156.5 × 74.6 × 7.3 mm	162.2 × 75.7 × 8.5 mm
Weight	184 g	197 g
Water resistance	IP65/IP66 (market dependent)	IP68
Supported until	May 2031	Sep 2028

400 full verdict →13T 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.