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Samsung Galaxy M21 vs Sony Xperia Z2a

Compare recorded specifications, size and practical differences.

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    Key differences

    Calculated from recorded specifications using minimum difference thresholds. These are differences, not an overall ranking. For three phones, numeric highlights compare the two extremes.

    • Display technology

      OLED versus LCD

      Galaxy M21:
      OLED
      Xperia Z2a:
      LCD

    • Weight

      Xperia Z2a: 25 g lighter

      Galaxy M21:
      188 g
      Xperia Z2a:
      163 g

    • Width

      Xperia Z2a: 3.1 mm narrower

      Galaxy M21:
      75.1 mm
      Xperia Z2a:
      72 mm

    • Screen diagonal

      Xperia Z2a: 1.4 in smaller diagonal

      Galaxy M21:
      6.4 in
      Xperia Z2a:
      5 in

    • Chipset

      Galaxy M21:
      Exynos 9611 (10nm)
      Xperia Z2a:
      Qualcomm MSM8974AB Snapdragon 801 (28 nm)

    • Rear camera layout

      Galaxy M21:
      Triple
      Xperia Z2a:
      Single

    Physical size

    Relative size, not calibrated actual size. Front and side outlines share one scale and a bottom baseline. Generic outlines use recorded body dimensions, excluding camera bumps.

    1. 1. Galaxy M21

      Height:
      159 mm +22 mm versus Xperia Z2a
      Width:
      75.1 mm +3.1 mm versus Xperia Z2a
      Depth:
      8.9 mm

    2. 2. Xperia Z2a

      Height:
      137 mm
      Width:
      72 mm
      Depth:
      11 mm +2.1 mm versus Galaxy M21

    Weight

    Bars start at zero and share a scale within this chart.

    1. 1. Galaxy M21

      188 g

      +25 g versus Xperia Z2a

    2. 2. Xperia Z2a

      163 g

    Screen size

    Approximate rectangular screens calculated from recorded diagonal and aspect ratio at one relative scale. Rounded corners and cutouts are not subtracted. These are not phone outlines or calibrated actual sizes.

    1. 1. Galaxy M21

      Screen diagonal:
      6.4 in
      Aspect ratio (height:width):
      19.5:9
      Approximate rectangular screen area:
      100.5 cm²

    2. 2. Xperia Z2a

      Screen diagonal:
      5 in
      Aspect ratio (height:width):
      16:9
      Approximate rectangular screen area:
      68.9 cm²

    Galaxy M21 has approximately 45.9% more rectangular screen area than Xperia Z2a.

    Memory variants

    Each row compares the same storage capacity. Cells show recorded RAM alternatives, not combined maxima. Not recorded does not mean unavailable in every market.

    Recorded RAM for Galaxy M21, Xperia Z2a, compared at the same storage capacity.
    StorageGalaxy M21Xperia Z2a
    16 GB Not recorded 3 GB RAM
    64 GB 4 GB RAM Not recorded
    128 GB 6 GB RAM Not recorded

    Practical features

    Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

    1. Galaxy M21

    NFC:
    Unknown
    Headphone jack:
    Yes
    Memory card support:
    See details microSDXC (dedicated slot)

    2. Xperia Z2a

    NFC:
    Yes
    Headphone jack:
    Yes
    Memory card support:
    See details microSD · up to 256 GB (dedicated slot)

    Battery capacity

    Capacity is not battery life. No endurance test is implied.

    Recorded battery capacity

    Bars start at zero and share a scale within this chart.

    1. 1. Galaxy M21

      6000 mAh

      +3000 mAh versus Xperia Z2a

    2. 2. Xperia Z2a

      3000 mAh

    Specifications

    Open a section for more detail. On narrow screens, swipe sideways or use Left/Right arrow keys while the table is focused. Unknown means missing data, not No. Recorded zero values are shown as recorded.

    1. Galaxy M212. Xperia Z2a

    Everyday essentials
    Everyday essentials — specifications for Galaxy M21, Xperia Z2a.
    SpecificationGalaxy M21Xperia Z2a
    Dimensions (HxWxD)
    • 159 Х 75.1 Х 8.9 mm
    • 137 Х 72 Х 11 mm
    Weight
    • 188 g
    • 163 g
    Technology
    • Super AMOLED
    • IPS LCD
    Screen size
    • 6.4" inch
    • 5" inch
    Screen resolution
    • 1080 x 2340 px
    • 1080 x 1920 px
    Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
    • 64GB 4GB RAM
    • 128GB 6GB RAM
    • 16 GB
    • 3 GB RAM
    Memory card support
    • microSDXC (dedicated slot)
    • microSD
    • up to 256 GB (dedicated slot)
    Battery Capacity is not battery life. No endurance test is implied.
    • 6000 mAh
    • Non-removable Li-Po
    • 3000 mAh
    • Non-removable Li-Ion
    Operating system OS
    • Android 10.0; One UI 2
    • Android 4.4.2 (KitKat)
    Chipset
    • Exynos 9611 (10nm)
    • Qualcomm MSM8974AB Snapdragon 801 (28 nm)
    NFC Unknown
    • Yes
    Headphone jack
    • Yes
    • Yes
    Display
    Display — specifications for Galaxy M21, Xperia Z2a.
    SpecificationGalaxy M21Xperia Z2a
    Touchscreen
    • capacitive touchscreen
    • capacitive touchscreen
    Display colors
    • 16M
    • 16M
    Screen area
    • 100.5 cm2
    • 68.9 cm2
    Screen format
    • 19.5:9 (height:width)
    • 16:9 (height:width)
    Screen to body ratio
    • 84.2%
    • 69.9%
    PPI /points per inch/
    • 403 PPI
    • 441 PPI
    Screen protection
    • Corning Gorilla Glass 3
    • Shatter proof glass
    Camera and Video
    Camera and Video — specifications for Galaxy M21, Xperia Z2a.
    SpecificationGalaxy M21Xperia Z2a
    Rear camera, main
    • 48 MP
    • Triple
    • 20.7 MP
    • Single
    Camera specs
    • 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 -5 MP
    • (depth)
    • 20.7 MP
    • 1/2.3''
    • AF
    Functions
    • HDR
    • LED flash
    • HDR
    • panorama
    Video
    • 1080p@30fps
    • 720p@30fps
    Front camera, selfie
    • 20 MP
    • Single
    • 0.3 MP
    • Single
    Specifications
    • 20 MP
    • f/2.0
    • 26mm (wide)
    • VGA
    Performance

    Scores marked * are historical catalogue entries. Test conditions are unspecified; no new testing is implied.

    Performance — specifications for Galaxy M21, Xperia Z2a.
    SpecificationGalaxy M21Xperia Z2a
    Processor CPU
    • Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53)
    • Quad-core 2.3 GHz Krait 400
    Graphics processor GPU
    • Mali-G72 MP3
    • Adreno 330
    Antutu 7 score * Unknown
    • 33154
    Antutu 8 score *
    • 182451
    		 Unknown
    General specs
    General specs — specifications for Galaxy M21, Xperia Z2a.
    SpecificationGalaxy M21Xperia Z2a
    Release date
    • 2020
    • March 18
    • 2014
    • June
    Colors
    • Midnight Blue
    • Raven Black
    • Black
    • White
    • Turquoise
    Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
    • 160 EUR
    • 250 EUR
    Battery life Unknown
    • Stand by time- Up to 700 h (2G) / Up to 770 h (3G) Talking time- Up to 13 h (2G) / Up to 19 h (3G) Music play - Up to 120 h
    Body build
    • Glass front (Gorilla Glass 3)
    • plastic back
    • plastic frame
    		 Unknown
    Communication and Connectivity
    Communication and Connectivity — specifications for Galaxy M21, Xperia Z2a.
    SpecificationGalaxy M21Xperia Z2a
    SIM card
    • Dual SIM (Nano-SIM
    • dual stand-by)
    • Micro-SIM
    Network
    • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
    • 3(1800)
    • 5(850)
    • 7(2600)
    • 8(900)
    • 20(800)
    • 38(2600)
    • 40(2300)
    • 41(2500)
    • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
    • 2(1900)
    • 3(1800)
    • 5(850)
    • 7(2600)
    • 8(900)
    • 28(700)
    Speed
    • HSPA
    • LTE-A
    • HSPA 42.2/5.76 Mbps
    • LTE Cat4 150/50 Mbps
    GPRS
    • Yes
    • Up to 107 kbps
    Edge
    • Yes
    • Up to 296 kbps
    Wi-Fi
    • Wi-Fi 802.11 a/b/g/n/ac
    • dual-band
    • Wi-Fi Direct
    • hotspot
    • Wi-Fi 802.11 a/b/g/n/ac
    • dual-band
    • Wi-Fi Direct
    • DLNA
    • hotspot
    GPS
    • Yes
    • with A-GPS
    • GLONASS
    • BDS
    • Yes
    • with A-GPS
    • GLONASS
    USB
    • 2.0
    • Type-C 1.0 reversible connector
    • microUSB 2.0 (MHL 3 TV-out)
    • USB Host
    Bluetooth
    • 5.0
    • A2DP
    • LE
    • 4.0
    • A2DP
    • aptX
    Harmful irradiation
    • SAR - 0.47 W/kg (head)
    		 Unknown
    Music and Audio
    Music and Audio — specifications for Galaxy M21, Xperia Z2a.
    SpecificationGalaxy M21Xperia Z2a
    Radio
    • FM radio
    • RDS
    • recording
    • FM radio
    • RDS
    Others
    • 420 nits max brightness
    • Triluminos display -X-Reality Engine
    • Active noise cancellation with dedicated mic
    Other features
    Other features — specifications for Galaxy M21, Xperia Z2a.
    SpecificationGalaxy M21Xperia Z2a
    Dop
    • Sensors Fingerprint (rear-mounted)
    • accelerometer
    • gyro
    • proximity
    • compass - Fast charging 15W
    • Sensors Accelerometer
    • gyro
    • proximity
    • compass
    • barometer - ANT+ - IP58 dust proof and water resistant over 1.5 meter and 30 minutes - Also known as Sony Xperia Z2a D6563

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