ROG Phone 8 Pro vs 400 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 ROG Phone 8 Pro runs out in Jan 2029 ($25.92/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: ROG Phone 8 Pro 61 · 400 Pro 70 — 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 8 Pro $800

Buy with care$25.92/mo

2024◆ Buy-by Jan 20272029

Honor 400 Pro $700

Safe to buy$11.81/mo

2025◆ Buy-by May 20292031

Category by category

Display

ROG Phone 8 Pro 80400 Pro 70

The ROG Phone 8 Pro's screen is the better one — 6.78-inch flexible ltpo amoled (samsung e6), fhd+ (1080×2400), 1–165hz, 720hz touch sampling, 2500-nit peak.

Performance

ROG Phone 8 Pro 92400 Pro 92

Performance is a wash — same chip tier.

Camera

ROG Phone 8 Pro 79400 Pro 84

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

Battery

ROG Phone 8 Pro 90400 Pro 86

5,500mAh vs 5,300mAh — the ROG Phone 8 Pro lasts longer between charges.

Software longevity

ROG Phone 8 Pro 37400 Pro 71

The 400 Pro is supported until May 2031 — 28 months longer than the ROG Phone 8 Pro.

Value

ROG Phone 8 Pro 61400 Pro 70

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

Full spec table

Spec	ROG Phone 8 Pro	400 Pro
Price (street)	$800	$700
Display	6.78-inch flexible LTPO AMOLED (Samsung E6), FHD+ (1080×2400), 1–165Hz, 720Hz touch sampling, 2500-nit peak	6.7-inch AMOLED, 2800x1280, 120Hz
Chipset	Snapdragon 8 Gen 3	Qualcomm Snapdragon 8 Gen 3
RAM	16GB/24GB	12GB/16GB
Storage	512GB/1TB	256GB/512GB
Battery	5,500 mAh	5,300 mAh
Charging	65W wired (HyperCharge), 15W Qi wireless	100W wired, 50W wireless
Rear cameras	50MP main (Sony IMX890 1/1.56-inch, gimbal OIS), 13MP ultra-wide (120-degree), 32MP telephoto 3x (OIS)	200MP main, 50MP telephoto 3x, 12MP ultra-wide
Dimensions	163.8 × 76.8 × 8.9 mm	160.8 × 76.1 × 8.1 mm
Weight	225 g	205 g
Water resistance	IP68	IP68/IP69
Supported until	Jan 2029	May 2031

ROG Phone 8 Pro full verdict →400 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.