400 vs Reno 12 5G

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 Reno 12 5G runs out in Jun 2028 ($15.04/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: 400 76 · Reno 12 5G 59 — 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

Oppo Reno 12 5G $365

Buy with care$15.04/mo

2024◆ Buy-by Jun 20262028

Category by category

Display

400 80Reno 12 5G 70

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

Performance

400 64Reno 12 5G 58

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

Camera

400 72Reno 12 5G 67

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

Battery

400 86Reno 12 5G 80

5,300mAh vs 5,000mAh — the 400 lasts longer between charges.

Software longevity

400 70Reno 12 5G 29

The 400 is supported until May 2031 — 35 months longer than the Reno 12 5G.

Value

400 76Reno 12 5G 59

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

Full spec table

Spec	400	Reno 12 5G
Price (street)	$350	$365
Display	6.55-inch AMOLED, 1.5K, 120Hz, 5000 nits peak	6.7-inch AMOLED, FHD+, 120Hz, Gorilla Glass 7i
Chipset	Qualcomm Snapdragon 7 Gen 3 (4nm)	MediaTek Dimensity 7300-Energy (4nm)
RAM	8GB/12GB	8GB/12GB
Storage	256GB/512GB	256GB/512GB
Battery	5,300 mAh	5,000 mAh
Charging	66W wired (5300mAh EU model), 5W reverse wired	80W wired SuperVOOC
Rear cameras	200MP main, 12MP ultra-wide	50MP main, 8MP ultra-wide, 2MP macro
Dimensions	156.5 × 74.6 × 7.3 mm	161.4 × 74.1 × 7.6 mm
Weight	184 g	177 g
Water resistance	IP65/IP66 (market dependent)	IP65
Supported until	May 2031	Jun 2028

400 full verdict →Reno 12 5G 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.