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Archos Diamond Plus vs Samsung Galaxy M21

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

      Diamond Plus:
      LCD
      Galaxy M21:
      OLED

    • Weight

      Diamond Plus: 28 g lighter

      Diamond Plus:
      160 g
      Galaxy M21:
      188 g

    • Width

      Galaxy M21: 1.3 mm narrower

      Diamond Plus:
      76.4 mm
      Galaxy M21:
      75.1 mm

    • Screen diagonal

      Diamond Plus: 0.9 in smaller diagonal

      Diamond Plus:
      5.5 in
      Galaxy M21:
      6.4 in

    • Chipset

      Diamond Plus:
      Mediatek MT6753 (28 nm)
      Galaxy M21:
      Exynos 9611 (10nm)

    • Rear camera layout

      Diamond Plus:
      Single
      Galaxy M21:
      Triple

    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. Diamond Plus

      Height:
      152.6 mm
      Width:
      76.4 mm +1.3 mm versus Galaxy M21
      Depth:
      8.4 mm

    2. 2. Galaxy M21

      Height:
      159 mm +6.4 mm versus Diamond Plus
      Width:
      75.1 mm
      Depth:
      8.9 mm +0.5 mm versus Diamond Plus

    Weight

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

    1. 1. Diamond Plus

      160 g

    2. 2. Galaxy M21

      188 g

      +28 g versus Diamond Plus

    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. Diamond Plus

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

    2. 2. Galaxy M21

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

    Galaxy M21 has approximately 20.6% more rectangular screen area than Diamond Plus.

    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 Diamond Plus, Galaxy M21, compared at the same storage capacity.
    StorageDiamond PlusGalaxy M21
    16 GB 2 GB RAM Not recorded
    64 GB Not recorded 4 GB RAM
    128 GB Not recorded 6 GB RAM

    Practical features

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

    1. Diamond Plus

    NFC:
    See details Super AMOLED
    Headphone jack:
    Yes
    Memory card support:
    See details microSD · up to 256 GB (uses SIM 2 slot)

    2. Galaxy M21

    NFC:
    Unknown
    Headphone jack:
    Yes
    Memory card support:
    See details microSDXC (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. Diamond Plus

      2850 mAh

    2. 2. Galaxy M21

      6000 mAh

      +3150 mAh versus Diamond Plus

    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. Diamond Plus2. Galaxy M21

    Everyday essentials
    Everyday essentials — specifications for Diamond Plus, Galaxy M21.
    SpecificationDiamond PlusGalaxy M21
    Dimensions (HxWxD)
    • 152.6 Х 76.4 Х 8.4 mm
    • 159 Х 75.1 Х 8.9 mm
    Weight
    • 160 g
    • 188 g
    Technology
    • IPS LCD
    • Super AMOLED
    Screen size
    • 5.5" inch
    • 6.4" inch
    Screen resolution
    • 1080 x 1920 px
    • 1080 x 2340 px
    Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
    • 16 GB
    • 2 GB RAM
    • 64GB 4GB RAM
    • 128GB 6GB RAM
    Memory card support
    • microSD
    • up to 256 GB (uses SIM 2 slot)
    • microSDXC (dedicated slot)
    Battery Capacity is not battery life. No endurance test is implied.
    • 2850 mAh
    • Non-removable Li-Ion
    • 6000 mAh
    • Non-removable Li-Po
    Operating system OS
    • Android 5.1.1 (Lollipop)
    • Android 10.0; One UI 2
    Chipset
    • Mediatek MT6753 (28 nm)
    • Exynos 9611 (10nm)
    NFC
    • Super AMOLED
    		 Unknown
    Headphone jack
    • Yes
    • Yes
    Display
    Display — specifications for Diamond Plus, Galaxy M21.
    SpecificationDiamond PlusGalaxy M21
    Touchscreen
    • capacitive touchscreen
    • capacitive touchscreen
    Display colors
    • 16M
    • 16M
    Screen area
    • 83.4 cm2
    • 100.5 cm2
    Screen format
    • 16:9 (height:width)
    • 19.5:9 (height:width)
    Screen to body ratio
    • 71.5%
    • 84.2%
    PPI /points per inch/
    • 401 PPI
    • 403 PPI
    Screen protection
    • Asahi Dragontrail Glass
    • Corning Gorilla Glass 3
    Camera and Video
    Camera and Video — specifications for Diamond Plus, Galaxy M21.
    SpecificationDiamond PlusGalaxy M21
    Rear camera, main
    • 16 MP
    • Single
    • 48 MP
    • Triple
    Camera specs
    • 16 MP
    • AF
    • 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)
    Functions
    • Dual-LED flash
    • HDR
    Video
    • 1080p@30fps
    • 1080p@30fps
    Front camera, selfie
    • 8 MP
    • Single
    • 20 MP
    • Single
    Specifications
    • 8 MP
    • 20 MP
    • f/2.0
    • 26mm (wide)
    Performance

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

    Performance — specifications for Diamond Plus, Galaxy M21.
    SpecificationDiamond PlusGalaxy M21
    Processor CPU
    • Octa-core 1.3 GHz Cortex-A53
    • Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53)
    Graphics processor GPU
    • Mali-T720MP3
    • Mali-G72 MP3
    Antutu 7 score *
    • 37396
    		 Unknown
    Antutu 8 score * Unknown
    • 182451
    General specs
    General specs — specifications for Diamond Plus, Galaxy M21.
    SpecificationDiamond PlusGalaxy M21
    Release date
    • 2015
    • September
    • 2020
    • March 18
    Colors
    • Sandy Silver
    • Midnight Blue
    • Raven Black
    Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
    • 160 EUR
    Body build Unknown
    • Glass front (Gorilla Glass 3)
    • plastic back
    • plastic frame
    Communication and Connectivity
    Communication and Connectivity — specifications for Diamond Plus, Galaxy M21.
    SpecificationDiamond PlusGalaxy M21
    SIM card
    • Single SIM (Micro-SIM)Hybrid Dual SIM (Micro-SIM
    • Dual SIM (Nano-SIM
    • dual stand-by)
    Network
    • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2-3G - HSDPA 850 / 900 / 1900 / 2100-4G - LTE band 3(1800)
    • 7(2600)
    • 20(800)
    • 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)
    Speed
    • HSPA 42.2/5.76 Mbps
    • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2-3G - HSDPA 900 / 2100-4G - LTE
    • HSPA
    • LTE-A
    GPRS
    • Yes
    • Yes
    Edge
    • Yes
    • Yes
    Wi-Fi
    • Wi-Fi 802.11 b/g/n
    • Wi-Fi 802.11 a/b/g/n/ac
    • dual-band
    • Wi-Fi Direct
    • hotspot
    GPS
    • Yes
    • with A-GPS
    • Yes
    • with A-GPS
    • GLONASS
    • BDS
    USB
    • microUSB 2.0
    • USB On-The-Go
    • 2.0
    • Type-C 1.0 reversible connector
    Bluetooth
    • 4.0
    • Super AMOLED
    • 5.0
    • A2DP
    • LE
    Harmful irradiation Unknown
    • SAR - 0.47 W/kg (head)
    Music and Audio
    Music and Audio — specifications for Diamond Plus, Galaxy M21.
    SpecificationDiamond PlusGalaxy M21
    Radio
    • FM radio
    • FM radio
    • RDS
    • recording
    Others
    • Active noise cancellation with dedicated mic
    • 420 nits max brightness
    Other features
    Other features — specifications for Diamond Plus, Galaxy M21.
    SpecificationDiamond PlusGalaxy M21
    Dop
    • Sensors Accelerometer
    • proximity
    • compass
    • Sensors Fingerprint (rear-mounted)
    • accelerometer
    • gyro
    • proximity
    • compass - Fast charging 15W