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Samsung·Mid-range · Released Apr 2021

Galaxy Quantum 2

Galaxy A82-class hardware with a quantum-random-number generator chip for SK Telecom.

68/ 100 SpecEagle score
From
$580
Color · Black
Display
6.7" SAMOLED 120 Hz
Chipset
Snapdragon 855+
Memory
6 GB · 128 GB
Main cam
64 MP · OIS
Battery
4,500 mAh
Weight
208 g
Quick answer

The Galaxy Quantum 2 is a mid-range Samsung smartphone released Apr 2021, with a launch price of $580. It pairs the Snapdragon 855+ with a 6.7" SAMOLED 120 Hz display, a 64 MP · OIS main camera and a 4,500 mAh battery. In SpecEagle's editorial review it scores 68/100 — A Korean carrier exclusive with a real QRNG chip. Standout strengths: embedded qrng chip — actual quantum hardware. and 120 hz samoled plus. Main trade-off: sk telecom korea exclusive.

AI Snapshot

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.

Read the full review
Subscores · 0–100
Display84
Camera70
Performance76
Battery72
Build72
Value68
  • Embedded QRNG chip — actual quantum hardware.
  • 120 Hz SAMOLED Plus.
  • SD855+ flagship-lineage.
  • microSD + jack survive.

Full specifications

Type
Super AMOLED Plus, 120 Hz
Size
6.7 inches
Resolution
2,400 × 1,080 px (FHD+)
Main
64 MP, f/1.8, OIS
Ultrawide
12 MP, f/2.2
Macro
5 MP
Depth
5 MP
Selfie
10 MP

Benchmarks

vs 2025 flagship class average
AnTuTu v9
Δ class avg -64.8%
This
570,000
Class avg
1,620,000
Geekbench 6 Single
Δ class avg -67.2%
This
950
Class avg
2,900
Geekbench 6 Multi
Δ class avg -66.7%
This
2,700
Class avg
8,100

How the Galaxy Quantum 2 compares

Galaxy Quantum 2Xiaomi 15 UltraGalaxy Note 8
SpecEagle score688968
ChipsetSnapdragon 855+SD 8 EliteSD 835
Display6.7" SAMOLED 120 Hz6.73" LTPO AMOLED6.3" QHD+ AMOLED
Main camera64 MP · OIS50 MP · f/1.6312 MP · f/1.7
Battery4,500 mAh5,410 mAh3,300 mAh
Launch price$580$1,499$929

Frequently asked questions

When was the Galaxy Quantum 2 released?

The Galaxy Quantum 2 was released in Apr 2021.

How much does the Galaxy Quantum 2 cost?

The Galaxy Quantum 2 launched at $580 (manufacturer suggested price at release; street and second-hand prices vary by region, storage tier and time since launch).

What is the Galaxy Quantum 2 screen size and type?

The Galaxy Quantum 2 has a 6.7" SAMOLED 120 Hz display.

What chipset does the Galaxy Quantum 2 use?

The Galaxy Quantum 2 is powered by the Snapdragon 855+ chipset.

How much RAM and storage does the Galaxy Quantum 2 have?

The Galaxy Quantum 2 ships with 6 GB · 128 GB (RAM · base storage); higher configurations may be available.

What is the Galaxy Quantum 2 battery capacity?

The Galaxy Quantum 2 has a 4,500 mAh battery.

How fast does the Galaxy Quantum 2 charge?

The Galaxy Quantum 2 supports 25 W wired charging.

What is the Galaxy Quantum 2 main camera?

The Galaxy Quantum 2 has a 64 MP · OIS main camera.

Does the Galaxy Quantum 2 have a headphone jack?

The Galaxy Quantum 2 has a 3.5 mm headphone jack.

How long will the Galaxy Quantum 2 get software updates?

The Galaxy Quantum 2 update policy: 3 OS + 4 yr security.

How much does the Galaxy Quantum 2 weigh?

The Galaxy Quantum 2 weighs 208 g.

What colours does the Galaxy Quantum 2 come in?

The Galaxy Quantum 2 is available in 1 colour: Black.

Is the Galaxy Quantum 2 worth buying?

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. SpecEagle gives the Galaxy Quantum 2 an editorial score of 68/100.

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