iPhone 13 Pro Max 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 iPhone 13 Pro Max runs out in Sep 2028 ($14.05/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: iPhone 13 Pro Max 63 · 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.

Apple iPhone 13 Pro Max $383

Buy with care$14.05/mo

2021◆ Buy-by Sep 20262028

Honor 400 $350

Safe to buy$5.92/mo

2025◆ Buy-by May 20292031

Category by category

Display

iPhone 13 Pro Max 80400 80

Both displays are effectively the same class.

Performance

iPhone 13 Pro Max 74400 64

The iPhone 13 Pro Max's Apple A15 Bionic is simply the faster chip.

Camera

iPhone 13 Pro Max 64400 72

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

Battery

iPhone 13 Pro Max 67400 86

5,300mAh vs 4,352mAh — the 400 lasts longer between charges.

Software longevity

iPhone 13 Pro Max 32400 70

The 400 is supported until May 2031 — 32 months longer than the iPhone 13 Pro Max.

Value

iPhone 13 Pro Max 63400 76

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

Full spec table

Spec	iPhone 13 Pro Max	400
Price (street)	$383	$350
Display	6.7-inch Super Retina XDR OLED, ProMotion 120Hz, 1200 nits HDR peak	6.55-inch AMOLED, 1.5K, 120Hz, 5000 nits peak
Chipset	Apple A15 Bionic	Qualcomm Snapdragon 7 Gen 3 (4nm)
RAM	6GB	8GB/12GB
Storage	128GB/256GB/512GB/1TB	256GB/512GB
Battery	4,352 mAh	5,300 mAh
Charging	20W wired (50% in ~30 min), MagSafe 15W wireless	66W wired (5300mAh EU model), 5W reverse wired
Rear cameras	12MP main, 12MP ultra-wide, 12MP telephoto 3x	200MP main, 12MP ultra-wide
Dimensions	160.8 × 78.1 × 7.65 mm	156.5 × 74.6 × 7.3 mm
Weight	240 g	184 g
Water resistance	IP68	IP65/IP66 (market dependent)
Supported until	Sep 2028	May 2031

iPhone 13 Pro Max 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.