400 vs Redmi K80 Pro

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 Redmi K80 Pro runs out in Nov 2029 ($12.09/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: 400 76 · Redmi K80 Pro 75 — 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

Xiaomi Redmi K80 Pro $500

Safe to buy$12.09/mo

2024◆ Buy-by Nov 20272029

Category by category

Display

400 80Redmi K80 Pro 80

Both displays are effectively the same class.

Performance

400 64Redmi K80 Pro 98

The Redmi K80 Pro's Qualcomm Snapdragon 8 Elite (3nm) is simply the faster chip.

Camera

400 72Redmi K80 Pro 79

The Redmi K80 Pro has the stronger camera system (3 real rear lenses vs 2).

Battery

400 86Redmi K80 Pro 100

6,000mAh vs 5,300mAh — the Redmi K80 Pro lasts longer between charges.

Software longevity

400 70Redmi K80 Pro 49

The 400 is supported until May 2031 — 18 months longer than the Redmi K80 Pro.

Value

400 76Redmi K80 Pro 75

Pound for pound, these two are equally good deals.

Full spec table

Spec	400	Redmi K80 Pro
Price (street)	$350	$500
Display	6.55-inch AMOLED, 1.5K, 120Hz, 5000 nits peak	6.67-inch AMOLED, 2K, 120Hz, 3200 nits peak, 12-bit
Chipset	Qualcomm Snapdragon 7 Gen 3 (4nm)	Qualcomm Snapdragon 8 Elite (3nm)
RAM	8GB/12GB	12GB/16GB/24GB
Storage	256GB/512GB	256GB/512GB/1TB
Battery	5,300 mAh	6,000 mAh
Charging	66W wired (5300mAh EU model), 5W reverse wired	120W wired, 50W wireless
Rear cameras	200MP main, 12MP ultra-wide	50MP main, 50MP telephoto, 32MP ultra-wide
Dimensions	156.5 × 74.6 × 7.3 mm	160.3 × 75.0 × 8.0 mm
Weight	184 g	213 g
Water resistance	IP65/IP66 (market dependent)	IP68
Supported until	May 2031	Nov 2029

400 full verdict →Redmi K80 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.