Samsung Galaxy Quantum 2 vs OnePlus 9RT 5G: A Detailed Performance and Security Showdown

The Samsung Galaxy Quantum 2 and OnePlus 9RT 5G represent interesting points in the Android landscape. The Quantum 2, while utilizing an older Snapdragon 855+, focuses on integrated security with its QRNG chipset. The 9RT, leveraging the newer Snapdragon 888, prioritizes raw performance and rapid charging. This comparison dissects these trade-offs to determine which device delivers the best value.
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🏆 Quick Verdict

For the average user prioritizing speed and convenience, the OnePlus 9RT 5G is the clear winner. Its Snapdragon 888 offers a substantial performance uplift, and the 65W charging is a game-changer. However, users deeply concerned with hardware-level security and potentially seeking a lower price point may find the Quantum 2 compelling.

PHONES
Phone Names Samsung Galaxy Quantum 2 OnePlus 9RT 5G
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900
3G bandsHSDPA 850 / 900 / 1700(AWS) / 1900 / 2100HSDPA 800 / 850 / 900 / 1700(AWS) / 1800 / 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, 18, 19, 20, 26, 28, 34, 38, 39, 40, 41 - Global
5G bands78 Sub61, 3, 5, 8, 28, 40, 41, 78 SA/NSA - Global
SpeedHSPA, LTE, 5GHSPA 42.2/5.76 Mbps, LTE Cat18 1200/200 Mbps, 5G
TechnologyGSM / HSPA / LTE / 5GGSM / CDMA / HSPA / EVDO / LTE / 5G
 -CDMA2000 1xEV-DO
Launch
Announced2021, April 132021, October 13
StatusAvailable. Released 2021, April 23Available. Released 2021, October 19
Body
Build-Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), aluminum frame
Dimensions161.9 x 73.8 x 8.1 mm (6.37 x 2.91 x 0.32 in)162.2 x 74.6 x 8.3 mm (6.39 x 2.94 x 0.33 in)
SIMNano-SIMNano-SIM + Nano-SIM
Weight176 g (6.21 oz)198.5 g (7.02 oz)
Display
Protection-Corning Gorilla Glass 5
Resolution1440 x 3200 pixels, 20:9 ratio (~524 ppi density)1080 x 2400 pixels, 20:9 ratio (~397 ppi density)
Size6.7 inches, 108.4 cm2 (~90.7% screen-to-body ratio)6.62 inches, 106.3 cm2 (~87.9% screen-to-body ratio)
TypeDynamic AMOLED 2X, 120Hz, 1200 nits (peak)AMOLED, 120Hz, HDR10+
 120Hz@FHD / 60Hz@QHD refresh rateAlways-on display
Platform
CPUOcta-core (1x2.96 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.78 GHz Kryo 485)Octa-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55)
ChipsetQualcomm SM8150 Snapdragon 855+ (7 nm), QRNG security chipsetQualcomm SM8350 Snapdragon 888 5G (5 nm)
GPUAdreno 640 (700 MHz)Adreno 660
OSAndroid 11, One UI 3.1Android 11, upgradable to Android 13, OxygenOS 13
Memory
Card slotmicroSDXC (dedicated slot)No
Internal128GB 6GB RAM128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM
 -UFS 3.1
Main Camera
FeaturesLED flash, panorama, HDRDual-LED flash, HDR, panorama
Quad-50 MP, f/1.8, 24mm (wide), 1/1.56”, 1.0µm, PDAF, OIS 16 MP, f/2.2, 14mm, 123˚ (ultrawide), 1/3.6", 1.0µm 2 MP (macro)
Single-16 MP, f/2.4, (wide), 1/3.06", 1.0µm
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@30/60fps, 1080p@30/60/240fps, Auto HDR, gyro-EIS
Selfie camera
FeaturesHDRHDR
Single10 MP, f/2.2, (wide)16 MP, f/2.4, (wide), 1/3.06", 1.0µm
Video1080p@30fps1080p@30fps, gyro-EIS
Sound
3.5mm jack NoNo
35mm jackNoNo
Loudspeaker Yes, with stereo speakersYes, with stereo speakers
Comms
Bluetooth5.0, A2DP, LE5.2, A2DP, LE
NFCYesYes
PositioningGPS, GLONASS, GALILEO, BDSGPS (L1+L5), GLONASS (G1), BDS (B1), GALILEO (E1+E5a)
RadioNoNo
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/6, dual-band, Wi-Fi Direct
Features
SensorsFingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compassFingerprint (under display, optical), accelerometer, gyro, proximity, compass
Battery
Charging25W wired65W wired, 100% in 29 min
TypeLi-Po 4500 mAhLi-Po 4500 mAh
Misc
ColorsBlack, White, VioletHacker Black, Nano Silver, Blue
ModelsSM-A826SMT2110, MT2111
PriceAbout 520 EURAbout 590 EUR

Samsung Galaxy Quantum 2

  • Hardware-backed security with QRNG chipset
  • Potentially lower price point
  • Solid performance for everyday tasks

  • Older Snapdragon 855+ chipset
  • Slower 25W charging
  • Likely less advanced camera system

OnePlus 9RT 5G

  • Faster Snapdragon 888 chipset
  • Ultra-fast 65W charging (29 minutes)
  • Potentially superior camera performance

  • May be more expensive
  • Snapdragon 888 can be prone to thermal throttling under sustained load
  • Lacks dedicated hardware security like QRNG

Display Comparison

Neither device's display specifications are provided, so a direct comparison is limited. However, given the Quantum 2's release in 2020, it likely features a standard AMOLED panel. The 9RT, being a later model, potentially benefits from advancements in color calibration and peak brightness. The absence of refresh rate data makes it difficult to assess smoothness, but the 9RT, positioned as a performance-focused device, is more likely to have a higher refresh rate panel.

Camera Comparison

Without detailed camera specifications, a precise comparison is challenging. However, the market positioning suggests the 9RT likely features a more advanced camera system. The Snapdragon 888’s ISP (Image Signal Processor) is superior to the 855+'s, enabling better image processing, noise reduction, and dynamic range. The Quantum 2’s focus on security doesn’t necessarily translate to camera prowess. We can assume the 9RT will offer more versatile shooting modes and potentially better low-light performance.

Performance

The core difference lies in the chipsets. The OnePlus 9RT’s Snapdragon 888 (5nm) represents a significant leap over the Samsung Galaxy Quantum 2’s Snapdragon 855+ (7nm). The 888’s Cortex-X1 prime core at 2.84 GHz provides a substantial single-core performance advantage, crucial for responsive UI and app loading. The 5nm process also translates to improved thermal efficiency, potentially mitigating throttling during sustained workloads. While the 855+ remains capable, the 888 offers a demonstrably faster and more efficient experience. The 9RT's LPDDR5 RAM further contributes to faster data access compared to the likely LPDDR4X in the Quantum 2.

Battery Life

The battery capacity for both devices is unknown. However, the charging speeds are drastically different. The OnePlus 9RT’s 65W wired charging, capable of a full charge in 29 minutes, is a massive advantage over the Quantum 2’s 25W charging. This difference significantly impacts usability, allowing the 9RT to quickly top up during short breaks. Even if the Quantum 2 has a slightly larger battery, the 9RT’s charging speed will likely result in less downtime.

Buying Guide

Buy the Samsung Galaxy Quantum 2 if you need a device with a dedicated hardware-based random number generator for enhanced security applications, and if budget is a primary concern. Buy the OnePlus 9RT 5G if you prioritize a smoother, faster user experience, particularly for gaming and demanding applications, and value incredibly fast charging speeds. The 9RT is the better choice for power users.

Frequently Asked Questions

❓ What is the benefit of the QRNG security chipset in the Samsung Galaxy Quantum 2?
The Quantum Random Number Generator (QRNG) provides a hardware-based source of truly random numbers, crucial for applications requiring high security like cryptography, mobile payments, and secure key generation. Unlike software-based random number generators, QRNG is less susceptible to prediction and hacking.
❓ Does the Snapdragon 888 in the OnePlus 9RT 5G overheat during prolonged gaming sessions?
The Snapdragon 888 is known to generate more heat than previous generations. While the OnePlus 9RT 5G incorporates cooling solutions, sustained gaming at maximum settings can lead to thermal throttling, reducing performance slightly over extended periods. However, the 9RT's overall performance still surpasses the Quantum 2 even with some throttling.
❓ Is the difference in charging speed between 25W and 65W really that noticeable in everyday use?
Absolutely. The 65W charging on the OnePlus 9RT 5G allows you to add several hours of usage with just a 15-20 minute charge. The Quantum 2's 25W charging, while adequate, requires significantly longer to achieve a similar level of charge, making the 9RT much more convenient for users on the go.