13T vs Galaxy A55 5G

Phone 1

Phone 2

Winner

OnePlus 13T

Lifespan decides this one: the 13T is supported until Apr 2031 at $8.57 per month of safe use, while the Galaxy A55 5G runs out in Mar 2029 ($9.08/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: 13T 78 · Galaxy A55 5G 67 — methodology

The lifespan decider

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

OnePlus 13T $500

Safe to buy$8.57/mo

2025◆ Buy-by Apr 20292031

Samsung Galaxy A55 5G $300

Buy with care$9.08/mo

2024◆ Buy-by Mar 20272029

Category by category

Display

13T 80Galaxy A55 5G 70

The 13T's screen is the better one — 6.32-inch ltpo amoled, 2640x1216, 120hz.

Performance

13T 98Galaxy A55 5G 60

The 13T's Qualcomm Snapdragon 8 Elite is simply the faster chip.

Camera

13T 67Galaxy A55 5G 67

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

Battery

13T 100Galaxy A55 5G 80

6,260mAh vs 5,000mAh — the 13T lasts longer between charges.

Software longevity

13T 69Galaxy A55 5G 39

The 13T is supported until Apr 2031 — 25 months longer than the Galaxy A55 5G.

Value

13T 78Galaxy A55 5G 67

Overall value goes to the 13T at $8.57 per month of safe use.

Full spec table

Spec	13T	Galaxy A55 5G
Price (street)	$500	$300
Display	6.32-inch LTPO AMOLED, 2640x1216, 120Hz	6.6-inch Super AMOLED, 1080x2340 (FHD+), 120Hz
Chipset	Qualcomm Snapdragon 8 Elite	Exynos 1480
RAM	12GB/16GB	8GB/12GB
Storage	256GB/512GB/1TB	128GB/256GB
Battery	6,260 mAh	5,000 mAh
Charging	80W wired	25W wired
Rear cameras	50MP main, 50MP telephoto 2x	50MP main, 12MP ultra-wide, 5MP macro
Dimensions	150.8 × 71.8 × 8.2 mm	161.1 × 77.4 × 8.2 mm
Weight	185 g	213 g
Water resistance	IP65	IP67
Supported until	Apr 2031	Mar 2029

13T full verdict →Galaxy A55 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.