400 Pro vs Mate X6

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 Mate X6 runs out in Dec 2028 ($57.20/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: 400 Pro 70 · Mate X6 51 — 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

Huawei Mate X6 $1700

Buy with care$57.20/mo

2024◆ Buy-by Dec 20262028

Category by category

Display

400 Pro 70Mate X6 80

The Mate X6's screen is the better one — 7.93-inch foldable ltpo oled main (2440x2240, 120hz) + 6.45-inch ltpo oled cover (120hz).

Performance

400 Pro 92Mate X6 85

The 400 Pro's Qualcomm Snapdragon 8 Gen 3 is simply the faster chip.

Camera

400 Pro 84Mate X6 79

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

Battery

400 Pro 86Mate X6 82

5,300mAh vs 5,110mAh — the 400 Pro lasts longer between charges.

Software longevity

400 Pro 71Mate X6 35

The 400 Pro is supported until May 2031 — 30 months longer than the Mate X6.

Value

400 Pro 70Mate X6 51

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

Full spec table

Spec	400 Pro	Mate X6
Price (street)	$700	$1700
Display	6.7-inch AMOLED, 2800x1280, 120Hz	7.93-inch foldable LTPO OLED main (2440x2240, 120Hz) + 6.45-inch LTPO OLED cover (120Hz)
Chipset	Qualcomm Snapdragon 8 Gen 3	HiSilicon Kirin 9020
RAM	12GB/16GB	12GB/16GB
Storage	256GB/512GB	256GB/512GB/1TB
Battery	5,300 mAh	5,110 mAh
Charging	100W wired, 50W wireless	66W wired, 50W wireless, reverse wireless
Rear cameras	200MP main, 50MP telephoto 3x, 12MP ultra-wide	50MP main (variable aperture f/1.0-4.0, OIS), 40MP ultra-wide, 48MP telephoto 4x periscope OIS
Dimensions	160.8 × 76.1 × 8.1 mm	Unfolded 156.0 × 144.1 × 4.6 mm; folded 156.0 × 73.7 × 9.85 mm
Weight	205 g	239 g
Water resistance	IP68/IP69	IP68/IP69
Supported until	May 2031	Dec 2028

400 Pro full verdict →Mate X6 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.