Samsung Galaxy Quantum 2 vs A52: A Detailed Performance and Feature Comparison

The Samsung Galaxy Quantum 2 and A52 represent different approaches to the mid-range market. The Quantum 2, despite its age, boasts a flagship-level Snapdragon 855+ processor and a QRNG security chip, while the A52 prioritizes a balanced experience with a newer Snapdragon 720G and a focus on display quality and battery endurance. This comparison dissects the key differences to determine which device best suits your needs.
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🏆 Quick Verdict

For users prioritizing performance and security, the Samsung Galaxy Quantum 2 is the clear winner. Its Snapdragon 855+ delivers significantly faster processing speeds, making it ideal for gaming and demanding applications. While the A52 offers a brighter display and comparable battery life, the Quantum 2’s processing power justifies its position as the superior choice for power users.

PHONES
Phone Names Samsung Galaxy Quantum 2 Samsung Galaxy A52
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 900 / 1700(AWS) / 1900 / 2100HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 26, 28, 38, 40, 41, 661, 2, 3, 4, 5, 7, 8, 12, 17, 20, 26, 28, 32, 38, 40, 41, 66
5G bands78 Sub6-
SpeedHSPA, LTE, 5GHSPA, LTE
TechnologyGSM / HSPA / LTE / 5GGSM / HSPA / LTE
Launch
Announced2021, April 132021, March 17
StatusAvailable. Released 2021, April 23Available. Released 2021, March 26
Body
Build-Glass front (Gorilla Glass 5), plastic frame, plastic back
Dimensions161.9 x 73.8 x 8.1 mm (6.37 x 2.91 x 0.32 in)159.9 x 75.1 x 8.4 mm (6.30 x 2.96 x 0.33 in)
SIMNano-SIM· Nano-SIM· Nano-SIM + Nano-SIM
Weight176 g (6.21 oz)189 g (6.67 oz)
Display
Protection-Corning Gorilla Glass 5
Resolution1440 x 3200 pixels, 20:9 ratio (~524 ppi density)1080 x 2400 pixels, 20:9 ratio (~407 ppi density)
Size6.7 inches, 108.4 cm2 (~90.7% screen-to-body ratio)6.5 inches, 101.0 cm2 (~84.1% screen-to-body ratio)
TypeDynamic AMOLED 2X, 120Hz, 1200 nits (peak)Super AMOLED, 90Hz, 800 nits (HBM)
 120Hz@FHD / 60Hz@QHD refresh rate-
Platform
CPUOcta-core (1x2.96 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.78 GHz Kryo 485)Octa-core (2x2.3 GHz Kryo 465 Gold & 6x1.8 GHz Kryo 465 Silver)
ChipsetQualcomm SM8150 Snapdragon 855+ (7 nm), QRNG security chipsetQualcomm SM7125 Snapdragon 720G (8 nm)
GPUAdreno 640 (700 MHz)Adreno 618
OSAndroid 11, One UI 3.1Android 11, upgradable to Android 14, One UI 6.1
Memory
Card slotmicroSDXC (dedicated slot)microSDXC (uses shared SIM slot)
Internal128GB 6GB RAM128GB 4GB RAM, 128GB 6GB RAM, 128GB 8GB RAM, 256GB 6GB RAM, 256GB 8GB RAM
Main Camera
FeaturesLED flash, panorama, HDRLED flash, panorama, HDR
Quad-64 MP, f/1.8, 26mm (wide), 1/1.7", 0.8µm, PDAF, OIS 12 MP, f/2.2, 123˚ (ultrawide), 1.12µm 5 MP (macro) Auxiliary lens
Triple64 MP, f/1.8, 26mm (wide), 1/1.7X", 0.8µm, PDAF, OIS 12 MP, f/2.2, 123˚ (ultrawide), 1.12µm 5 MP (macro)-
Video4K@30fps, 1080p@30/60/240fps; gyro-EIS4K@30fps, 1080p@30/60fps; gyro-EIS
Selfie camera
FeaturesHDRHDR
Single10 MP, f/2.2, (wide)32 MP, f/2.2, 26mm (wide), 1/2.8", 0.8µm
Video1080p@30fps4K@30fps, 1080p@30fps
Sound
3.5mm jack NoYes
35mm jackNoYes
Loudspeaker Yes, with stereo speakersYes, with stereo speakers
Comms
Bluetooth5.0, A2DP, LE5.0, A2DP, LE
NFCYesYes (market/region dependent)
PositioningGPS, GLONASS, GALILEO, BDSGPS, GLONASS, GALILEO, BDS
RadioNoFM radio
USBUSB Type-C 2.0, OTGUSB Type-C 2.0, OTG
WLANWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi DirectWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Features
SensorsFingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compassFingerprint (under display, optical), accelerometer, gyro, compass
Battery
Charging25W wired25W wired, 50% in 30 min
TypeLi-Po 4500 mAhLi-Po 4500 mAh
Misc
ColorsBlack, White, VioletAwesome Black, Awesome White, Awesome Violet, Awesome Blue
ModelsSM-A826SSM-A525F, SM-A525F/DS, SM-A525M, SM-A525M/DS
PriceAbout 520 EURC$ 699.00 / £ 129.99 / € 169.89
SAR EU-0.35 W/kg (head)     0.84 W/kg (body)
Tests
Battery life- Endurance rating 105h
Camera- Photo / Video
Display- Contrast ratio: Infinite (nominal)
Loudspeaker- -27.0 LUFS (Good)
Performance- AnTuTu: 261282 (v8) GeekBench: 5865 (v4.4), 1577 (v5.1) GFXBench: 15fps (ES 3.1 onscreen)

Samsung Galaxy Quantum 2

  • Significantly faster processor (Snapdragon 855+)
  • Enhanced security with QRNG chipset
  • Potentially better thermal management

  • Older chipset architecture
  • Display specifications unknown, likely inferior to A52

Samsung Galaxy A52

  • Brighter display (794 nits)
  • Efficient Snapdragon 720G chipset
  • Comparable battery life (105h endurance)

  • Lower processing power compared to Quantum 2
  • May struggle with demanding games and applications

Display Comparison

The Samsung Galaxy A52 holds a clear advantage in display brightness, achieving a measured peak of 794 nits. While the Quantum 2’s display specifications aren’t provided, it’s unlikely to match this level of brightness. The A52’s 'Infinite' contrast ratio (nominal) suggests a typical AMOLED panel, offering deep blacks. However, without knowing the Quantum 2’s panel technology or refresh rate, a complete assessment is difficult. The A52’s brightness makes it more usable outdoors in direct sunlight.

Camera Comparison

Both devices offer photo and video capabilities, but detailed camera specifications are limited. Without sensor size, aperture, or image processing details, a direct comparison is challenging. However, the Quantum 2’s higher processing power could enable faster image processing and potentially better low-light performance. The A52 likely benefits from Samsung’s more recent software optimizations. The absence of details on the Quantum 2’s camera system makes it difficult to definitively assess its capabilities against the A52.

Performance

The core difference lies in the chipsets. The Quantum 2’s Snapdragon 855+ (7nm) is a significant step up from the A52’s Snapdragon 720G (8nm). The 855+ features an octa-core configuration with a prime core clocked at 2.96 GHz, compared to the 720G’s 2.3 GHz. This translates to substantially faster CPU and GPU performance, benefiting gaming, video editing, and overall responsiveness. The 7nm process node of the 855+ also offers better thermal efficiency, potentially leading to less throttling under sustained load. The Quantum 2 is the clear winner for performance-intensive tasks.

Battery Life

Both the Quantum 2 and A52 share a 25W wired charging capability, with the A52 claiming a 50% charge in 30 minutes. Both devices have an endurance rating of 105 hours. This suggests similar battery life despite potentially different battery capacities. The A52’s efficiency gains from the Snapdragon 720G may offset any capacity differences, resulting in comparable real-world usage.

Buying Guide

Buy the Samsung Galaxy Quantum 2 if you need a phone capable of handling demanding games, multitasking, or require enhanced security features thanks to the QRNG chipset. Buy the Samsung Galaxy A52 if you prioritize a vibrant display, long battery life, and a more modern software experience, and are willing to trade raw processing power for these benefits.

Frequently Asked Questions

❓ What is the QRNG chipset in the Samsung Galaxy Quantum 2 and how does it improve security?
The Quantum Random Number Generator (QRNG) is a dedicated hardware component that generates truly random numbers, unlike pseudo-random number generators used in software. This enhances security for applications like mobile payments, secure messaging, and encryption by making it significantly harder for attackers to predict the random numbers used for security protocols.
❓ Will the Snapdragon 720G in the A52 struggle with graphically intensive games like PUBG or Genshin Impact?
While the Snapdragon 720G is capable of running PUBG and Genshin Impact, you may need to lower graphics settings to achieve a smooth frame rate. The Quantum 2’s Snapdragon 855+ will provide a significantly better gaming experience with higher frame rates and graphical fidelity without compromising smoothness.
❓ Does the Samsung Galaxy A52 support faster charging than 25W, and is 50% in 30 minutes the fastest it can charge?
The Samsung Galaxy A52 officially supports up to 25W charging. While it can reach 50% charge in 30 minutes, using a compatible 25W charger is crucial to achieve this speed. Lower wattage chargers will result in slower charging times.
❓ Is the older Snapdragon 855+ in the Quantum 2 still a viable option in 2024, or is it showing its age?
Despite being an older chipset, the Snapdragon 855+ remains a powerful processor capable of handling most tasks smoothly in 2024. While it won't match the performance of the latest Snapdragon 8 Gen series, it still offers a significant performance advantage over the Snapdragon 720G in the A52, making it a viable option for users prioritizing speed.