Samsung Galaxy A02 vs Samsung Galaxy A21

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          General Info

          Manufacturer
          Samsung Samsung
          Announced
          2021, January 27 2020, April 8
          Status
          Available. Released 2021, January 27 Coming soon. Exp. release 2020, April
          Colors
          Black, Blue, Red Various
          Form Factor
          Candybar Candybar
          Dimension
          164 x 75.9 x 9.1 mm
          (6.46 x 2.99 x 0.36 in)
          -
          Weight
          206 g (7.27 oz) -
          SIM Type
          Single SIM (Nano-SIM), Dual SIM (Nano-SIM, dual stand-by) Single SIM (Nano-SIM), Dual SIM (Nano-SIM, dual stand-by)
          2G Network
          GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM only)
          3G Network
          HSDPA 850 / 900 / 2100
          HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
          HSDPA 850 / 900 / 1900 / 2100
          HSDPA 850 / 1700(AWS) / 1900 / 2100
          4G Network
          LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900) 20(800), 28(700), 32(1500), 38(2600), 40(2300), 41(2500) LTE
          Messaging
          Build Features
          - - Fingerprint Sensor
          Glass front, plastic back, plastic frame

          Hardware and OS

          OS
          Android 10 Android 10.0
          User Interface
          One UI 2.5 One UI 2.0
          Processor
          Octa-core 1.8 GHz Cortex-A53, Qualcomm SM4250 Snapdragon 450 (11 nm) [Similar] Octa-core (4x2.35 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53), Mediatek MT6765 Helio P35 (12nm) [Similar]
          GPU
          Adreno 506 [Similar] PowerVR GE8320 [Similar]
          RAM
          2 GB [Browse Similar] 3 GB [Browse Similar]
          Internal Memory
          32 GB 64 GB
          External Memory
          microSDXC (dedicated slot) microSDXC (dedicated slot)

          Display

          Type
          PLS TFT Display HD+ Super AMOLED Capacitive Touchscreen
          Colors
          16M Colour 16M colors
          Size
          6.5 inches [Similar] 6.5 inches [Similar]
          Resolution
          720 x 1520 pixels (259 ppi) 720 x 1600 pixels (270 ppi)
          Screen-to-Body Ratio
          84.56% -
          Multi-Touch
          yes multi touch yes multi touch

          Camera

          Rear Camera
          13 MP + 2 MP [Similar] 16 MP + 8 MP + 2 MP + 2 MP [Similar]
          Flash
          LED Flash No
          Features
          13 MP, f/2.2, 28mm (wide), 1/3.1", 1.12µm, AF
          2 MP, f/2.4, (depth)
          16 MP, f/1.9, 28mm (wide), AF
          8 MP, f/2.2, 12mm (ultrawide)
          2 MP, (macro)
          2 MP, (depth)
          panorama, HDR
          Video
          1080p@30fps 1080p@30fps
          Front Camera
          8 MP, f/2.2, 1/4", 1.12µm [Similar] 13 MP
          HDR
          1080p@30fps [Similar]

          Multimedia

          3.5mm Jack
          3.5 mm jack yes 3.5 mm jack yes
          Radio
          FM radio FM radio
          Games
          Yes + Downloadable Yes + Downloadable
          Loud Speaker
          loudspeaker yes loudspeaker yes

          Connectivity and Data Rate

          GPRS
          Yes Yes
          Edge
          Yes Yes
          3G
          HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
          Bluetooth
          4.2, A2DP, LE 5.0, A2DP, LE
          Wi-Fi
          Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot
          USB
          microUSB 2.0 2.0, Type-C 1.0 reversible connector, USB On-The-Go
          GPS
          Yes, with A-GPS, GLONASS, GALILEO, BDS Yes, with A-GPS, GLONASS, BDS
          Browser
          Yes Yes

          User Memory

          Internal
          32 GB, 2 GB RAM 64 GB, 3 GB RAM eMMC 5.1
          Expandable Storage
          microSDXC (dedicated slot) microSDXC (dedicated slot)
          USB OTG
          Not Supported Supported

          Sensors

          Fingerprint
          fingerprint not supported fingerprint supported
          Proximity Sensor
          proximity sensor present proximity sensor present
          Accelerometer Sensor
          accelerometer sensor present accelerometer sensor present
          Magnetic-field Sensor (Compass)
          magnetic field sensor not present magnetic field sensor present
          Gyroscope Sensor
          gyroscope sensor not present gyroscope sensor present
          NFC
          NFC not supported NFC not supported

          Battery

          Type
          Non-removable Li-Po Battery
          Battery Charging 10W
          Non-removable Li-Po Battery
          Fast battery charging 15W
          Capacity
          5000 mAh 4000 mAh
          Stand by
          - -
          Talk Time
          - -

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