GT 7T vs Galaxy M55 5G

Phone 1

Phone 2

Winner

Realme GT 7T

Lifespan decides this one: the GT 7T is supported until May 2031 at $6.33 per month of safe use, while the Galaxy M55 5G runs out in Mar 2029 ($8.10/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: GT 7T 80 · Galaxy M55 5G 72 — methodology

The lifespan decider

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

Realme GT 7T $375

Safe to buy$6.33/mo

2025◆ Buy-by May 20292031

Samsung Galaxy M55 5G $270

Buy with care$8.10/mo

2024◆ Buy-by Mar 20272029

Category by category

Display

GT 7T 80Galaxy M55 5G 70

The GT 7T's screen is the better one — 6.8-inch amoled, 1.5k, 144hz, 6000 nits peak.

Performance

GT 7T 78Galaxy M55 5G 70

The GT 7T's MediaTek Dimensity 8400 Max is simply the faster chip.

Camera

GT 7T 67Galaxy M55 5G 67

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

Battery

GT 7T 100Galaxy M55 5G 80

7,000mAh vs 5,000mAh — the GT 7T lasts longer between charges.

Software longevity

GT 7T 71Galaxy M55 5G 40

The GT 7T is supported until May 2031 — 26 months longer than the Galaxy M55 5G.

Value

GT 7T 80Galaxy M55 5G 72

Overall value goes to the GT 7T at $6.33 per month of safe use.

Full spec table

Spec	GT 7T	Galaxy M55 5G
Price (street)	$375	$270
Display	6.8-inch AMOLED, 1.5K, 144Hz, 6000 nits peak	6.7-inch Super AMOLED Plus, 1080x2400 (FHD+), 120Hz
Chipset	MediaTek Dimensity 8400 Max	Qualcomm Snapdragon 7 Gen 1
RAM	8GB/12GB	8GB/12GB
Storage	128GB/256GB/512GB	128GB/256GB
Battery	7,000 mAh	5,000 mAh
Charging	120W wired SuperVOOC	45W wired
Rear cameras	50MP main, 8MP ultra-wide	50MP main, 8MP ultra-wide, 2MP macro
Dimensions	162.4 × 76.0 × 8.25 mm	163.9 × 76.5 × 7.8 mm
Weight	202 g	180 g
Water resistance	IP68/IP69	None
Supported until	May 2031	Mar 2029

GT 7T full verdict →Galaxy M55 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.