PhoneLifespan

Pixel 8a vs Galaxy M55 5G

vs

Winner

Google Pixel 8a

Lifespan decides this one: the Pixel 8a is supported until May 2031 at $5.08 per month of safe use, while the Galaxy M55 5G runs out in Mar 2029 ($8.07/month). On a which-lasts-longer question, that's not a tie — it's the whole answer.

Value Score: Pixel 8a 77 · Galaxy M55 5G 73 — methodology

The lifespan decider

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

Google Pixel 8a $300
Safe to buy$5.08/mo
2024◆ Buy-by May 20292031
Samsung Galaxy M55 5G $270
Buy with care$8.07/mo
2024◆ Buy-by Mar 20272029

Category by category

Display
Pixel 8a 70Galaxy M55 5G 70

Both displays are effectively the same class.

Performance
Pixel 8a 70Galaxy M55 5G 70

Performance is a wash — same chip tier.

Camera
Pixel 8a 67Galaxy M55 5G 67

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

Battery
Pixel 8a 70Galaxy M55 5G 80

5,000mAh vs 4,492mAh — the Galaxy M55 5G lasts longer between charges.

Software longevity
Pixel 8a 70Galaxy M55 5G 40

The Pixel 8a is supported until May 2031 — 26 months longer than the Galaxy M55 5G.

Value
Pixel 8a 77Galaxy M55 5G 73

Overall value goes to the Pixel 8a at $5.08 per month of safe use.

Full spec table
SpecPixel 8aGalaxy M55 5G
Price (street)$300$270
Display6.1-inch Actua OLED, FHD+, 60–120Hz, up to 2000 nits peak6.7-inch Super AMOLED Plus, 1080x2400 (FHD+), 120Hz
ChipsetGoogle Tensor G3Qualcomm Snapdragon 7 Gen 1
RAM8GB8GB/12GB
Storage128GB/256GB128GB/256GB
Battery4,492 mAh5,000 mAh
Charging18W wired, 7.5W wireless45W wired
Rear cameras64MP main, 13MP ultra-wide50MP main, 8MP ultra-wide, 2MP macro
Dimensions152.1 × 72.7 × 8.9 mm163.9 × 76.5 × 7.8 mm
Weight188 g180 g
Water resistanceIP67None
Supported untilMay 2031Mar 2029
Pixel 8a 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.