Samsung Galaxy Quantum 2 vs Samsung Galaxy A90 5G

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PHONES
Phone Names Samsung Galaxy Quantum 2 Samsung Galaxy A90 5G
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, 13, 17, 20, 26, 28, 38, 40, 41, 66
5G bands78 Sub641, 78 Sub6
SpeedHSPA, LTE, 5GHSPA, LTE, 5G
TechnologyGSM / HSPA / LTE / 5GGSM / HSPA / LTE / 5G
 -1, 3, 5, 7, 8, 20, 34, 38, 39, 40, 41
Launch
Announced2021, April 132019, September. Released 2019, September
StatusAvailable. Released 2021, April 23Discontinued
Body
Build-Glass front (Gorilla Glass 6), glass back (Gorilla Glass 6), aluminum frame
Dimensions161.9 x 73.8 x 8.1 mm (6.37 x 2.91 x 0.32 in)164.8 x 76.4 x 8.4 mm (6.49 x 3.01 x 0.33 in)
SIMNano-SIM· Nano-SIM· Nano-SIM + Nano-SIM
Weight176 g (6.21 oz)206 g (7.27 oz)
Display
Protection-Corning Gorilla Glass 6
Resolution1440 x 3200 pixels, 20:9 ratio (~524 ppi density)1080 x 2400 pixels, 20:9 ratio (~393 ppi density)
Size6.7 inches, 108.4 cm2 (~90.7% screen-to-body ratio)6.7 inches, 108.4 cm2 (~86.1% screen-to-body ratio)
TypeDynamic AMOLED 2X, 120Hz, 1200 nits (peak)Super AMOLED
 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 Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.78 GHz Kryo 485)
ChipsetQualcomm SM8150 Snapdragon 855+ (7 nm), QRNG security chipsetQualcomm SM8150 Snapdragon 855 (7 nm)
GPUAdreno 640 (700 MHz)Adreno 640
OSAndroid 11, One UI 3.1Android 9.0 (Pie), upgradable to Android 12, One UI 4.1
Memory
Card slotmicroSDXC (dedicated slot)microSDXC (6GB model only)
Internal128GB 6GB RAM128GB 6GB RAM, 128GB 8GB RAM
 -UFS 3.0
Main Camera
FeaturesLED flash, panorama, HDRLED flash, panorama, HDR
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)48 MP, f/2.0, 26mm (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.2, 12mm (ultrawide), 1/4.0", 1.12µm Auxiliary lens
Video4K@30fps, 1080p@30/60/240fps; gyro-EIS4K@30fps, 1080p@30/60fps (gyro-EIS), 720p@960fps
Selfie camera
FeaturesHDRHDR
Single10 MP, f/2.2, (wide)32 MP, f/2.0, 25mm (wide), 1/2.8", 0.8µm
Video1080p@30fps1080p@30fps
Sound
3.5mm jack NoNo
35mm jackNoNo
Loudspeaker Yes, with stereo speakersYes
Comms
Bluetooth5.0, A2DP, LE5.0, A2DP, LE
NFCYesYes
PositioningGPS, GLONASS, GALILEO, BDSGPS, GLONASS, GALILEO, BDS
RadioNoNo
USBUSB Type-C 2.0, OTGUSB Type-C 3.1
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, proximity, compass
 -Samsung DeX (desktop experience support) ANT+
Battery
Charging25W wired25W wired
TypeLi-Po 4500 mAhLi-Po 4500 mAh, non-removable
Misc
ColorsBlack, White, VioletWhite, Black
ModelsSM-A826SSM-A908B, SM-A908N, SM-A9080
PriceAbout 520 EURAbout 400 EUR
SAR EU-0.38 W/kg (head)     1.55 W/kg (body)