Galaxy Quantum 4
The Galaxy A with a quantum-cryptography security chip.
The Galaxy Quantum 4 is a mid-range Samsung smartphone released Apr 2023, with a launch price of $500. It pairs the Exynos 1380 with a 6.6" FHD+ Super AMOLED 120Hz display, a 50 MP OIS + 12 MP UW + 5 MP macro main camera and a 5000 mAh, 25W battery. In SpecEagle's editorial review it scores 74/100 — A phone with a quantum chip. Standout strengths: hardware quantum random-number generator for security and 120hz amoled + ois + ip67. Main trade-off: exynos 1380 mid-tier.
A phone with a quantum chip.
Galaxy Quantum 4 — a Korea-exclusive Galaxy A variant for SK Telecom — embeds a QRNG quantum random-number generator chip for genuinely unpredictable cryptographic keys. A niche security flex on otherwise solid A-series mid-range hardware.
Read the full review- Hardware quantum random-number generator for security
- 120Hz AMOLED + OIS + IP67
- Stereo + microSD + 3.5 mm jack
Full specifications
Benchmarks
How the Galaxy Quantum 4 compares
| Galaxy Quantum 4 | Xiaomi 15 Ultra | Galaxy S20 FE | |
|---|---|---|---|
| SpecEagle score | 74 | 89 | 74 |
| Chipset | Exynos 1380 | SD 8 Elite | Snapdragon 865 / Exynos 990 |
| Display | 6.6" FHD+ Super AMOLED 120Hz | 6.73" LTPO AMOLED | 6.5" AMOLED 120 Hz |
| Main camera | 50 MP OIS + 12 MP UW + 5 MP macro | 50 MP · f/1.63 | 12 MP + 8 MP tele |
| Battery | 5000 mAh, 25W | 5,410 mAh | 4,500 mAh |
| Launch price | $500 | $1,499 | $699 |
Frequently asked questions
When was the Galaxy Quantum 4 released?
The Galaxy Quantum 4 was released in Apr 2023.
How much does the Galaxy Quantum 4 cost?
The Galaxy Quantum 4 launched at $500 (manufacturer suggested price at release; street and second-hand prices vary by region, storage tier and time since launch).
What is the Galaxy Quantum 4 screen size and type?
The Galaxy Quantum 4 has a 6.6" FHD+ Super AMOLED 120Hz display.
What chipset does the Galaxy Quantum 4 use?
The Galaxy Quantum 4 is powered by the Exynos 1380 chipset.
How much RAM and storage does the Galaxy Quantum 4 have?
The Galaxy Quantum 4 ships with 8 GB (RAM · base storage); higher configurations may be available.
What is the Galaxy Quantum 4 battery capacity?
The Galaxy Quantum 4 has a 5000 mAh, 25W battery.
What is the Galaxy Quantum 4 main camera?
The Galaxy Quantum 4 has a 50 MP OIS + 12 MP UW + 5 MP macro main camera.
Does the Galaxy Quantum 4 have 5G?
The Galaxy Quantum 4 supports 5G (Yes, sub-6).
Is the Galaxy Quantum 4 waterproof?
The Galaxy Quantum 4 is rated IP67 for dust and water resistance.
Does the Galaxy Quantum 4 have a headphone jack?
The Galaxy Quantum 4 has a 3.5 mm headphone jack.
How much does the Galaxy Quantum 4 weigh?
The Galaxy Quantum 4 weighs 213 g.
What colours does the Galaxy Quantum 4 come in?
The Galaxy Quantum 4 is available in 1 colour: Awesome Black.
Is the Galaxy Quantum 4 worth buying?
Galaxy Quantum 4 — a Korea-exclusive Galaxy A variant for SK Telecom — embeds a QRNG quantum random-number generator chip for genuinely unpredictable cryptographic keys. A niche security flex on otherwise solid A-series mid-range hardware. SpecEagle gives the Galaxy Quantum 4 an editorial score of 74/100.
Owner opinions
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