Galaxy Quantum 2 review: Galaxy A82-class hardware with a quantum-random-number generator chip for SK Telecom.
A Korean carrier exclusive with a real QRNG chip.
Galaxy Quantum 2 was a SK Telecom collaboration that embedded a true quantum-random-number generator chip — useful for token-based authentication in the carrier's services. Outside that integration it is A82-class hardware.
01Display
84/10084/100 — right at the average for mid-range phones of 2021.
02Camera
70/10070/100 — right at the average for mid-range phones of 2021.
03Performance
76/10076/100 — right at the average for mid-range phones of 2021.
04Battery
72/10072/100 — right at the average for mid-range phones of 2021.
05Build
72/10072/100 — right at the average for mid-range phones of 2021.
06Value
68/10068/100 — right at the average for mid-range phones of 2021.
- Embedded QRNG chip — actual quantum hardware.
- 120 Hz SAMOLED Plus.
- SD855+ flagship-lineage.
- microSD + jack survive.
- SK Telecom Korea exclusive.
- 208 g chunky.
- QRNG benefit is marketing-heavy.
- No IP rating.
How this review is built: every section score, spec row and comparison on this page comes from SpecEagle's tracked catalogue — scores weight measured specs against the 1-phone cohort of mid-range devices released around the same time. We don't publish invented lab anecdotes. Spot an error? .