400 Pro vs X100 Pro

Phone 1

Phone 2

Winner

Honor 400 Pro

Lifespan decides this one: the 400 Pro is supported until May 2031 at $11.81 per month of safe use, while the X100 Pro runs out in Nov 2028 ($26.63/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: 400 Pro 70 · X100 Pro 62 — 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 Pro $700

Safe to buy$11.81/mo

2025◆ Buy-by May 20292031

Vivo X100 Pro $780

Buy with care$26.63/mo

2023◆ Buy-by Nov 20262028

Category by category

Display

400 Pro 70X100 Pro 90

The X100 Pro's screen is the better one — 6.78-inch ltpo amoled, 2800x1260, 120hz, up to 3000 nits peak.

Performance

400 Pro 92X100 Pro 93

Performance is a wash — same chip tier.

Camera

400 Pro 84X100 Pro 79

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

Battery

400 Pro 86X100 Pro 88

Battery capacities are close enough not to decide this.

Software longevity

400 Pro 71X100 Pro 35

The 400 Pro is supported until May 2031 — 30 months longer than the X100 Pro.

Value

400 Pro 70X100 Pro 62

Overall value goes to the 400 Pro at $11.81 per month of safe use.

Full spec table

Spec	400 Pro	X100 Pro
Price (street)	$700	$780
Display	6.7-inch AMOLED, 2800x1280, 120Hz	6.78-inch LTPO AMOLED, 2800x1260, 120Hz, up to 3000 nits peak
Chipset	Qualcomm Snapdragon 8 Gen 3	MediaTek Dimensity 9300
RAM	12GB/16GB	12GB/16GB
Storage	256GB/512GB	256GB/512GB
Battery	5,300 mAh	5,400 mAh
Charging	100W wired, 50W wireless	100W wired, 50W wireless
Rear cameras	200MP main, 50MP telephoto 3x, 12MP ultra-wide	50MP main, 50MP ultra-wide, 50MP telephoto 4.3x periscope
Dimensions	160.8 × 76.1 × 8.1 mm	164.1 × 75.3 × 9.0 mm
Weight	205 g	221 g
Water resistance	IP68/IP69	IP68
Supported until	May 2031	Nov 2028

400 Pro full verdict →X100 Pro 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.