400 vs 90 GT

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 90 GT runs out in Dec 2027 ($16.58/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: 400 76 · 90 GT 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

Honor 90 GT $300

Buy with care$16.58/mo

2023◆ Buy-by Dec 20252027

Category by category

Display

400 8090 GT 80

Both displays are effectively the same class.

Performance

400 6490 GT 85

The 90 GT's Snapdragon 8 Gen 2 is simply the faster chip.

Camera

400 7290 GT 67

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

Battery

400 8690 GT 80

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

Software longevity

400 7090 GT 22

The 400 is supported until May 2031 — 41 months longer than the 90 GT.

Value

400 7690 GT 69

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

Full spec table

Spec	400	90 GT
Price (street)	$350	$300
Display	6.55-inch AMOLED, 1.5K, 120Hz, 5000 nits peak	6.7-inch AMOLED, 120Hz, 2600 nits peak
Chipset	Qualcomm Snapdragon 7 Gen 3 (4nm)	Snapdragon 8 Gen 2
RAM	8GB/12GB	12GB/16GB/24GB
Storage	256GB/512GB	256GB/512GB/1TB
Battery	5,300 mAh	5,000 mAh
Charging	66W wired (5300mAh EU model), 5W reverse wired	100W wired
Rear cameras	200MP main, 12MP ultra-wide	50MP main, 12MP ultra-wide
Dimensions	156.5 × 74.6 × 7.3 mm	161 x 74.2 x 7.9 mm
Weight	184 g	185 g
Water resistance	IP65/IP66 (market dependent)	None
Supported until	May 2031	Dec 2027

400 full verdict →90 GT 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.