Phone (3a) Pro vs 13R

Phone 1

Phone 2

Winner

OnePlus 13R

The 13R wins this one, taking performance and battery decisively. Against the Phone (3a) Pro it's also the sounder buy at $10.01 per month of safe use.

Value Score: Phone (3a) Pro 71 · 13R 77 — 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) Pro $429

Safe to buy$7.57/mo

2025◆ Buy-by Mar 20292031

OnePlus 13R $549

Safe to buy$10.01/mo

2025◆ Buy-by Jan 20292031

Category by category

Display

Phone (3a) Pro 8013R 90

The 13R's screen is the better one — 6.78-inch ltpo 4.1 amoled proxdr, 2780×1264 (450 ppi), 1–120hz, up to 4500 nits peak.

Performance

Phone (3a) Pro 6413R 92

The 13R's Snapdragon 8 Gen 3 is simply the faster chip.

Camera

Phone (3a) Pro 7913R 79

Camera systems are comparable on paper — pick by sample photos.

Battery

Phone (3a) Pro 8013R 100

6,000mAh vs 5,000mAh — the 13R lasts longer between charges.

Software longevity

Phone (3a) Pro 6713R 65

Both phones' support windows end around the same time.

Value

Phone (3a) Pro 7113R 77

Overall value goes to the 13R at $10.01 per month of safe use.

Full spec table

Spec	Phone (3a) Pro	13R
Price (street)	$429	$549
Display	6.77-inch AMOLED, 1080×2392 (FHD+), up to 120Hz, 3000 nits peak	6.78-inch LTPO 4.1 AMOLED ProXDR, 2780×1264 (450 ppi), 1–120Hz, up to 4500 nits peak
Chipset	Snapdragon 7s Gen 3	Snapdragon 8 Gen 3
RAM	12GB	12GB
Storage	256GB	256GB
Battery	5,000 mAh	6,000 mAh
Charging	50W wired, no wireless	80W SUPERVOOC wired (55W in North America), no wireless
Rear cameras	50MP main, 50MP periscope telephoto 3x, 8MP ultra-wide	50MP main, 50MP telephoto 2x, 8MP ultra-wide
Dimensions	163.52 × 77.50 × 8.39 mm	161.7 × 75.8 × 8.0 mm
Weight	211 g	206 g
Water resistance	IP64	IP65
Supported until	Mar 2031	Jan 2031

Phone (3a) Pro full verdict →13R 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.