400 vs Note 50 Pro 4G

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 Note 50 Pro 4G runs out in Mar 2028 ($9.49/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: 400 76 · Note 50 Pro 4G 67 — 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

Infinix Note 50 Pro 4G $195

Buy with care$9.49/mo

2025◆ Buy-by Mar 20262028

Category by category

Display

400 80Note 50 Pro 4G 70

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

Performance

400 64Note 50 Pro 4G 44

The 400's Qualcomm Snapdragon 7 Gen 3 (4nm) is simply the faster chip.

Camera

400 72Note 50 Pro 4G 67

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

Battery

400 86Note 50 Pro 4G 84

Battery capacities are close enough not to decide this.

Software longevity

400 70Note 50 Pro 4G 24

The 400 is supported until May 2031 — 39 months longer than the Note 50 Pro 4G.

Value

400 76Note 50 Pro 4G 67

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

Full spec table

Spec	400	Note 50 Pro 4G
Price (street)	$350	$195
Display	6.55-inch AMOLED, 1.5K, 120Hz, 5000 nits peak	6.78-inch AMOLED, FHD+, 144Hz, 2160Hz PWM, 1300 nits peak
Chipset	Qualcomm Snapdragon 7 Gen 3 (4nm)	MediaTek Helio G100 Ultimate (6nm)
RAM	8GB/12GB	8GB/12GB
Storage	256GB/512GB	256GB
Battery	5,300 mAh	5,200 mAh
Charging	66W wired (5300mAh EU model), 5W reverse wired	90W wired, 30W MagCharge wireless, reverse charging
Rear cameras	200MP main, 12MP ultra-wide	50MP main, 8MP ultra-wide
Dimensions	156.5 × 74.6 × 7.3 mm	163.3 × 74.4 × 7.3 mm
Weight	184 g	198 g
Water resistance	IP65/IP66 (market dependent)	IP64
Supported until	May 2031	Mar 2028

400 full verdict →Note 50 Pro 4G 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.