Phone (3a) vs 12R

Phone 1

Phone 2

Winner

Nothing Phone (3a)

Lifespan decides this one: the Phone (3a) is supported until Mar 2031 at $6.16 per month of safe use, while the 12R runs out in Jan 2028 ($18.09/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: Phone (3a) 75 · 12R 73 — methodology

The lifespan decider

When specs are close, support length decides it — this is what each phone costs per month of safe use.

Nothing Phone (3a) $349

Safe to buy$6.16/mo

2025◆ Buy-by Mar 20292031

OnePlus 12R $350

Buy with care$18.09/mo

2024◆ Buy-by Jan 20262028

Category by category

Display

Phone (3a) 8012R 90

The 12R's screen is the better one — 6.78-inch ltpo amoled proxdr, 2780×1264 (450 ppi), 1–120hz, up to 4500 nits peak.

Performance

Phone (3a) 6412R 85

The 12R's Snapdragon 8 Gen 2 is simply the faster chip.

Camera

Phone (3a) 7912R 67

The Phone (3a) has the stronger camera system (3 real rear lenses vs 2).

Battery

Phone (3a) 8012R 90

5,500mAh vs 5,000mAh — the 12R lasts longer between charges.

Software longevity

Phone (3a) 6712R 23

The Phone (3a) is supported until Mar 2031 — 37 months longer than the 12R.

Value

Phone (3a) 7512R 73

Pound for pound, these two are equally good deals.

Full spec table

Spec	Phone (3a)	12R
Price (street)	$349	$350
Display	6.77-inch AMOLED, 1080×2392 (FHD+), up to 120Hz, 3000 nits peak	6.78-inch LTPO AMOLED ProXDR, 2780×1264 (450 ppi), 1–120Hz, up to 4500 nits peak
Chipset	Snapdragon 7s Gen 3	Snapdragon 8 Gen 2
RAM	8GB/12GB	8GB/16GB
Storage	128GB/256GB	128GB/256GB
Battery	5,000 mAh	5,500 mAh
Charging	50W wired, no wireless	80W SUPERVOOC wired, no wireless
Rear cameras	50MP main, 50MP telephoto 2x, 8MP ultra-wide	50MP main, 8MP ultra-wide, 2MP macro
Dimensions	163.52 × 77.50 × 8.35 mm	163.3 × 75.3 × 8.8 mm
Weight	201 g	207 g
Water resistance	IP64	IP64
Supported until	Mar 2031	Jan 2028

Phone (3a) full verdict →12R 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.