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  2. Allview E4 vs Samsung Galaxy A21

Allview E4 vs Samsung Galaxy A21

Compare recorded specifications, size and practical differences.

Allview E4

Allview E4

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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 technologyOLED versus LCDE4: LCD · Galaxy A21: OLED
      • Screen diagonalE4: 1 in smaller diagonalE4: 5.5 in · Galaxy A21: 6.5 in
      • Rear camera layoutSingle / QuadE4: Single · Galaxy A21: Quad
      • Release year2015 / 2020E4: 2015 · Galaxy A21: 2020

      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.

      Front
      E4: 140.7 × 70.2 mm 1
      Side
      E4: 140.7 × 8.6 mm 1
      1. 1. E4
        Height
        140.7 mm
        Width
        70.2 mm
        Depth
        8.6 mm
        Weight
        130 g
      2. 2. Galaxy A21
        Height
        Unknown
        Width
        Unknown
        Depth
        Unknown
        Weight
        Unknown

        Unavailable dimensions are omitted from the drawing.

      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.

      At least two phones need compatible screen dimensions for a drawing.

      1. 1. E4 Screen geometry unavailable or conflicting
      2. 2. Galaxy A21 6.5 in · 20:9 About 102 cm² rectangular area

      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 by storage capacity and phone
      StorageE4Galaxy A21
      16 GB 2 GB RAM Not recorded
      32 GB Not recorded 3 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. E4

      NFC
      See details Super AMOLED
      Headphone jack
      Yes
      Memory card support
      See details microSD · up to 32 GB (dedicated slot)

      2. Galaxy A21

      NFC
      See details Yes (market/region dependent)
      Headphone jack
      Yes
      Memory card support
      See details microSDXC (dedicated slot)

      Battery capacity

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

      Recorded capacity

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

      1. 1. E42100 mAh
      2. 2. Galaxy A214000 mAh

        +1900 mAh versus E4

      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. E42. Galaxy A21

      Everyday essentials
      Everyday essentials
      SpecificationE4Galaxy A21
      Dimensions (HxWxD)
      • 140.7 Х 70.2 Х 8.6 mm
      • Х Х mm
      Weight
      • 130 g
      • 0 g
      Technology
      • IPS LCD
      • Super AMOLED
      Screen size
      • 5.5" inch
      • 6.5" inch
      Screen resolution
      • 720 x 1280 px
      • 720 x 1600 px
      Internal memoryRecorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
      • 16 GB
      • 2 GB RAM
      • 32GB 3GB RAM
      Memory card support
      • microSD
      • up to 32 GB (dedicated slot)
      • microSDXC (dedicated slot)
      BatteryCapacity is not battery life. No endurance test is implied.
      • 2100 mAh
      • Removable Li-Po
      • 4000 mAh
      • Non-removable Li-Po
      Operating system OS
      • Android 5.1 (Lollipop)
      • Android 10.0; One UI 2.0
      Chipset
      • Mediatek MT6753 (28 nm)
      		 Unknown
      NFC
      • Super AMOLED
      • Yes (market/region dependent)
      Headphone jack
      • Yes
      • Yes
      Display
      Display
      SpecificationE4Galaxy A21
      Touchscreen
      • capacitive touchscreen
      • capacitive touchscreen
      Display colors
      • Super AMOLED
      • 16M
      Screen area
      • 68.9 cm2
      • 102.0 cm2
      Screen format
      • 16:9 (height:width)
      • 20:9 (height:width)
      Screen to body ratio
      • 143.5 Х 69.8 Х 8 mm
      		 Unknown
      PPI /points per inch/
      • 294 PPI
      • 270 PPI
      Camera and Video
      Camera and Video
      SpecificationE4Galaxy A21
      Rear camera, main
      • 13 MP
      • Single
      • 16 MP
      • Quad
      Camera specs
      • 13 MP
      • AF
      • 16 MP
      • (wide)
      • AF -8 MP
      • (ultrawide) -2 MP
      • (macro) -2 MP
      • (depth)
      Functions
      • Dual-LED flash
      • LED flash
      • panorama
      • HDR
      Video
      • 1080p@30fps
      • 1080p@30fps
      Front camera, selfie
      • 5 MP
      • Single
      • 13 MP
      • Single
      Specifications
      • 5 MP
      • 13 MP
      • (wide)
      Performance
      Performance
      SpecificationE4Galaxy A21
      Processor CPU
      • Octa-core 1.3 GHz Cortex-A53
      		 Unknown
      Graphics processor GPU
      • Mali-T720MP3
      		 Unknown
      Antutu 7 scoreLegacy recorded score. Test conditions are unspecified; no new testing is implied.
      • 23156
      		 Unknown
      General specs
      General specs
      SpecificationE4Galaxy A21
      Release date
      • 2015
      • September
      • 2020
      • April 8
      Colors
      • Black
      • White
      • Black
      Historical recorded priceLegacy catalogue value; date unknown. Not a current offer.
      • 240 EUR
      • 250 EUR
      Battery life
      • Stand by time- Up to 210 h Talking time- Up to 9 h 30 min
      		 Unknown
      Body build Unknown
      • Glass front
      • plastic back
      • plastic frame
      Communication and Connectivity
      Communication and Connectivity
      SpecificationE4Galaxy A21
      SIM card
      • Single SIM (Micro-SIM)Dual SIM (Micro-SIM
      • dual stand-by)
      • Single SIM (Nano-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 900 / 2100-4G - LTE band 2(1900)
      • 3(1800)
      • 20(800)
      • 38(2600)
      • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM only) -3G - HSDPA 850 / 900 / 1900 / 2100 HSDPA 850 / 1700(AWS) / 1900 / 2100 -4G - LTE
      Speed
      • HSPA 21.1/5.76 Mbps
      • LTE Cat4 150/50 Mbps
      • HSPA 42.2/5.76 Mbps
      • LTE Cat4 150/50 Mbps
      GPRS
      • Class 12
      • Yes
      Edge
      • Class 10
      • Yes
      Wi-Fi
      • Wi-Fi 802.11 b/g/n
      • Wi-Fi 802.11 b/g/n
      • Wi-Fi Direct
      • hotspot
      GPS
      • Yes
      • with A-GPS
      • Yes
      • with A-GPS
      • GLONASS
      • BDS
      USB
      • microUSB 2.0
      • Yes
      Bluetooth
      • 4.0
      • A2DP
      • EDR
      • 5.0
      • A2DP
      • LE
      Harmful irradiation
      • SAR EU - 1.23 W/kg (head)
      		 Unknown
      Music and Audio
      Music and Audio
      SpecificationE4Galaxy A21
      Radio
      • FM radio
      • FM radio
      Other features
      Other features
      SpecificationE4Galaxy A21
      Dop
      • Sensors Accelerometer
      • proximity
      • compass
      • Sensors Fingerprint (rear-mounted)
      • accelerometer
      • proximity
      • compass - Fast charging 15W - Preliminary specifications

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