ROG Phone 6 Pro vs 400

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 ROG Phone 6 Pro is already past its support window. On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: ROG Phone 6 Pro 40 · 400 76 — methodology

The lifespan decider

When specs are close, support length decides it — this is what each phone costs per month of safe use.

Asus ROG Phone 6 Pro $560

Avoid buyingsupport ended

2022◆ Buy-by Jul 20232025

Honor 400 $350

Safe to buy$5.92/mo

2025◆ Buy-by May 20292031

Category by category

Display

ROG Phone 6 Pro 70400 80

The 400's screen is the better one — 6.55-inch amoled, 1.5k, 120hz, 5000 nits peak.

Performance

ROG Phone 6 Pro 70400 64

The ROG Phone 6 Pro's Snapdragon 8+ Gen 1 is simply the faster chip.

Camera

ROG Phone 6 Pro 67400 72

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

Battery

ROG Phone 6 Pro 100400 86

6,000mAh vs 5,300mAh — the ROG Phone 6 Pro lasts longer between charges.

Software longevity

ROG Phone 6 Pro 0400 70

The 400 is supported until May 2031 — 70 months longer than the ROG Phone 6 Pro.

Value

ROG Phone 6 Pro 40400 76

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

Full spec table

Spec	ROG Phone 6 Pro	400
Price (street)	$560	$350
Display	6.78-inch AMOLED, FHD+ (1080x2448), 165Hz, HDR10+	6.55-inch AMOLED, 1.5K, 120Hz, 5000 nits peak
Chipset	Snapdragon 8+ Gen 1	Qualcomm Snapdragon 7 Gen 3 (4nm)
RAM	18GB	8GB/12GB
Storage	512GB	256GB/512GB
Battery	6,000 mAh	5,300 mAh
Charging	65W wired	66W wired (5300mAh EU model), 5W reverse wired
Rear cameras	50MP main, 13MP ultra-wide, 5MP macro	200MP main, 12MP ultra-wide
Dimensions	173 x 77 x 10.3 mm	156.5 × 74.6 × 7.3 mm
Weight	239 g	184 g
Water resistance	IPX4	IP65/IP66 (market dependent)
Supported until	Jul 2025	May 2031

ROG Phone 6 Pro full verdict →400 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.