400 vs iQOO Neo 10

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 iQOO Neo 10 runs out in Jun 2029 ($10.14/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: 400 76 · iQOO Neo 10 77 — 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

Vivo iQOO Neo 10 $360

Buy with care$10.14/mo

2025◆ Buy-by Jun 20272029

Category by category

Display

400 80iQOO Neo 10 80

Both displays are effectively the same class.

Performance

400 64iQOO Neo 10 86

The iQOO Neo 10's Qualcomm Snapdragon 8s Gen 4 is simply the faster chip.

Camera

400 72iQOO Neo 10 67

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

Battery

400 86iQOO Neo 10 100

7,000mAh vs 5,300mAh — the iQOO Neo 10 lasts longer between charges.

Software longevity

400 70iQOO Neo 10 42

The 400 is supported until May 2031 — 24 months longer than the iQOO Neo 10.

Value

400 76iQOO Neo 10 77

Pound for pound, these two are equally good deals.

Full spec table

Spec	400	iQOO Neo 10
Price (street)	$350	$360
Display	6.55-inch AMOLED, 1.5K, 120Hz, 5000 nits peak	6.78-inch AMOLED, 144Hz, 1.5K (20:9), 4320Hz PWM, up to 5500 nits peak
Chipset	Qualcomm Snapdragon 7 Gen 3 (4nm)	Qualcomm Snapdragon 8s Gen 4
RAM	8GB/12GB	8GB/12GB/16GB
Storage	256GB/512GB	128GB/256GB/512GB
Battery	5,300 mAh	7,000 mAh
Charging	66W wired (5300mAh EU model), 5W reverse wired	120W wired
Rear cameras	200MP main, 12MP ultra-wide	50MP main, 8MP ultra-wide
Dimensions	156.5 × 74.6 × 7.3 mm	163.7 × 75.9 × 8.1 mm
Weight	184 g	206 g
Water resistance	IP65/IP66 (market dependent)	IP65 (MIL-STD-810H rated)
Supported until	May 2031	Jun 2029

400 full verdict →iQOO Neo 10 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.