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Samsung Galaxy A21 US Unlocked (SM-A215U1) vs Samsung Galaxy Z Flip4 5G US Unlocked (SM-F721U1)

GENERAL INFORMATION

PHYSICAL SPECS

  • Dimensions
    167.8 x 76.7 x 8.1 mm Unfolded: 71.9 x 165.2 x 6.9mm / Folded: 71.9 x 84.9 x 17.1mm (Hinge) – 15.9mm (Sagging)
  • Weight
    193g 187g
  • SIM Card
    Single Single / Dual SIM
  • SIM Card Size
    Nano-SIM (4FF) Nano-SIM (4FF)
  • Ingress Protection Rating (IP Rate)
    IPX8 Water Resistant (up to 1.5m for 30 mins)

OPERATING SYSTEM

  • Platform
    Android Android
  • Installed OS Version
    Android 10.0 Android 12, One UI 4.1.1

NETWORK

  • Supported Network
    2G, 3G, 4G / LTE 2G, 3G, 4G/LTE, 5G

DISPLAY

  • Technology (Main Display)
    TFT Touch Screen Foldable Dynamic AMOLED 2X
  • Technology (Sub Display)
    Super AMOLED
  • Size (Main Display)
    6.5 Inches (166.3mm) 6.7 inches
  • Size (Sub Display)
    1.9 inches
  • Color Depth (Main Display)
    16M Colors 16M Colors
  • Resolution (Main Display)
    HD+ 720 x 1600 Pixels FHD+ 1080 x 2640 pixels
  • Resolution (Sub Display)
    260 x 512 Pixels
  • Pixel Density
    270 PPI Main Display: 425 PPI / Cover Display: 302 PPI
  • S Pen Support
    No No
  • More Display Features
    Infinity-O Display Infinity Flex Display, 120Hz Refresh Rate, HDR10+, Gorilla Glass Victus+ Protecion

PROCESSOR

  • CPU Type
    MediaTek Helio P35 Qualcomm SM8475 Snapdragon 8+ Gen 1
  • CPU Speed
    4x2.3 GHz and 4x1.8 GHz 1x3.19 GHz Cortex-X2 & 3x2.75 GHz Cortex-A710 & 4x1.80 GHz Cortex-A510
  • Cores
    8 Cores (Octa-Core) 8 Cores (Octa-Core)
  • GPU
    IMG PowerVR GE8320 Adreno 730

MEMORY

  • RAM Size
    3GB 8GB
  • ROM Size
    32GB 128GB / 256GB / 512GB
  • External Memory Support
    MicroSD (Up to 512GB) No

SENSORS

  • Built In Sensors
    Accelerometer, Fingerprint Sensor, Gyro Sensor, Geomagnetic Sensor, Light Sensor, Proximity Sensor Capacitive Fingerprint sensor (side), Accelerometer, Barometer, Gyro sensor, Geomagnetic sensor, Hall sensor, Proximity sensor, Light sensor

AUDIO and VIDEO

  • Audio Playing Format
    MP3, M4A, 3GA, AAC, OGG, OGA, WAV, WMA, AMR, AWB, FLAC, MID, MIDI, XMF, MXMF, IMY, RTTTL, RTX, OTA MP3, M4A, 3GA, AAC, OGG, OGA, WAV, AMR, AWB, FLAC, MID, MIDI, XMF, MXMF, IMY, RTTTL, RTX, OTA, APE, DSF, DFF
  • Video Playing Format
    MP4, M4V, 3GP, 3G2, WMV, ASF, AVI, FLV, MKV, WEBM MP4, M4V, 3GP, 3G2, AVI, FLV, MKV, WEBM
  • Video Recording Resolution
    FHD (1920 x 1080 Pixels) @30fps 4K UHD video recording at 60 fps (3840 x 2160 Pixels)
  • Video Playing Resolution
    FHD (1920 x 1080 Pixels) @30fps

CAMERA

  • Rear Camera
    Quad Dual
  • Front Camera
    Single Single
  • Rear Camera - Resolution
    16.0 MP Wide + 8.0 MP Ultra-Wide + 2.0 MP Depth + 2.0 MP Macro 12MP Wide + 12MP Ultra-Wide
  • Front Camera - Resolution
    13.0 MP 10MP
  • Rear Camera - Flash
    Yes Yes
  • Front Camera - Flash
    No No
  • Rear Camera - Auto Focus
    Yes Yes
  • Front Camera - Auto Focus
    No
  • Rear Camera - F Number
    F1.8 , F2.2 , F2.4 , F2.4 F1.8, F2.2
  • Front Camera - F Number
    F2.0 F2.4
  • Optical Image Stabilizer (OIS)
    No Yes
  • Camera Features
    - HDR.
    - Panorama.
    - Digital Zoom up to 8x.
    - HDR.
    - HDR10+ recording.
    - HEVC (High Efficiency Video Coding).
    - High CRI LED Flash.
    - Panorama.
    - Up to 10x digital zoom.
    - Scene Optimizer.
    - Shot suggestions.
    - Scan QR codes.
    - Motion photo.
    - VDIS (Video Digital Image Stabilization).
    - Super Slow-mo 720p video support at 960 fps.
    - Super steady 1080p video support at 30 fps.

CONNECTIVITY

  • ANT+
    No
  • USB Version
    v2.0 v2.0
  • USB Interface
    Type-C Type-C
  • Earjack
    3.5mm Stereo No
  • Bluetooth Version
    Bluetooth v5.0 (LE up to 2 Mbps) Bleutooth v5.2
  • Wi-Fi
    802.11 a/b/g/n/ac 2.4+5GHz Wi-Fi 802.11 a/b/g/n/ac/ax, HE160, MIMO, 1024-QAM
  • Wi-Fi Direct
    Yes Yes
  • NFC
    Yes Yes
  • Location Technology
    GPS, Glonass GPS, Galileo, Glonass, BeiDou
  • Mobile High-Definition Link (MHL)
    No
  • PC Sync
    Samsung Smart Switch Samsung Smart Switch

BATTERY

  • Standard Battery Capacity (mAh)
    4000mAh 3700mAh
  • Removable
    No No
  • Fast Charging Support
    Yes Yes
  • Audio Playback Time (Hours)
    Up to 109H
  • Video Playback Time (Hours)
    Up to 21H

FEATURES

  • More Features
    - Infinity-O Display.
    - Ultrasonic Fingerprint ID.
    - 5G Networks Support.
    - Aluminum Frame.
    - IPX8 Water Resistance.
    - Samsung Pay.
    - Samsung Knox.
    - Bixby.
    - Super fastcharging.
    - Fast wireless charging 2.0.
    - Fast charging 25W.
    - Fast wireless charging 15W.
    - Reverse wireless charging 4.5W.
    - Stereo speakers.

Disclaimer Notice:

  • Disclaimer Notice:
    These specifications and features are collected from Samsung official websites and world trusted sources. But even thus We can not guarantee that the information on this page is 100% correct. So If any particular specification is vital to you, we always recommend checking with the phone seller before buying the wanted device. These specifications and features are collected from Samsung official websites and world trusted sources. But even thus We can not guarantee that the information on this page is 100% correct. So If any particular specification is vital to you, we always recommend checking with the phone seller before buying the wanted device.