400 vs iQOO Neo 10R

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 10R runs out in Mar 2029 ($9.08/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: 400 76 · iQOO Neo 10R 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 10R $300

Buy with care$9.08/mo

2025◆ Buy-by Mar 20272029

Category by category

Display

400 80iQOO Neo 10R 80

Both displays are effectively the same class.

Performance

400 64iQOO Neo 10R 82

The iQOO Neo 10R's Qualcomm Snapdragon 8s Gen 3 (4nm) is simply the faster chip.

Camera

400 72iQOO Neo 10R 67

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

Battery

400 86iQOO Neo 10R 100

6,400mAh vs 5,300mAh — the iQOO Neo 10R lasts longer between charges.

Software longevity

400 70iQOO Neo 10R 39

The 400 is supported until May 2031 — 26 months longer than the iQOO Neo 10R.

Value

400 76iQOO Neo 10R 77

Pound for pound, these two are equally good deals.

Full spec table

Spec	400	iQOO Neo 10R
Price (street)	$350	$300
Display	6.55-inch AMOLED, 1.5K, 120Hz, 5000 nits peak	6.78-inch AMOLED, 1.5K, 144Hz, HDR10+, 4500 nits peak, 3840Hz PWM
Chipset	Qualcomm Snapdragon 7 Gen 3 (4nm)	Qualcomm Snapdragon 8s Gen 3 (4nm)
RAM	8GB/12GB	8GB/12GB
Storage	256GB/512GB	128GB/256GB
Battery	5,300 mAh	6,400 mAh
Charging	66W wired (5300mAh EU model), 5W reverse wired	80W 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 × 8.0 mm
Weight	184 g	196 g
Water resistance	IP65/IP66 (market dependent)	IP65
Supported until	May 2031	Mar 2029

400 full verdict →iQOO Neo 10R 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.