BLU Dash X Plus LTE 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

    Dash X Plus LTE:
    LCD
    Galaxy M21:
    OLED
  • Width

    Galaxy M21: 2.6 mm narrower

    Dash X Plus LTE:
    77.7 mm
    Galaxy M21:
    75.1 mm
  • Screen diagonal

    Dash X Plus LTE: 0.9 in smaller diagonal

    Dash X Plus LTE:
    5.5 in
    Galaxy M21:
    6.4 in
  • Chipset

    Dash X Plus LTE:
    Mediatek MT6735 (28 nm)
    Galaxy M21:
    Exynos 9611 (10nm)
  • Rear camera layout

    Dash X Plus LTE:
    Single
    Galaxy M21:
    Triple
  • Depth

    Galaxy M21: 1.3 mm thinner

    Dash X Plus LTE:
    10.2 mm
    Galaxy M21:
    8.9 mm

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. Dash X Plus LTE

    Height:
    158.8 mm
    Width:
    77.7 mm +2.6 mm versus Galaxy M21
    Depth:
    10.2 mm +1.3 mm versus Galaxy M21
  2. 2. Galaxy M21

    Height:
    159 mm
    Width:
    75.1 mm
    Depth:
    8.9 mm

Weight

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

  1. 1. Dash X Plus LTE

    190 g

    +2 g versus Galaxy M21

  2. 2. Galaxy M21

    188 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. Dash X Plus LTE

    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 Dash X Plus LTE.

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 Dash X Plus LTE, Galaxy M21, compared at the same storage capacity.
StorageDash X Plus LTEGalaxy M21
8 GB 1 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. Dash X Plus LTE

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 64 GB

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. Dash X Plus LTE

    2750 mAh

  2. 2. Galaxy M21

    6000 mAh

    +3250 mAh versus Dash X Plus LTE

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. Dash X Plus LTE2. Galaxy M21

Everyday essentials
Everyday essentials — specifications for Dash X Plus LTE, Galaxy M21.
SpecificationDash X Plus LTEGalaxy M21
Dimensions (HxWxD)
  • 158.8 Х 77.7 Х 10.2 mm
  • 159 Х 75.1 Х 8.9 mm
Weight
  • 190 g
  • 188 g
Technology
  • IPS LCD
  • Super AMOLED
Screen size
  • 5.5" inch
  • 6.4" inch
Screen resolution
  • 720 x 1280 px
  • 1080 x 2340 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 8 GB
  • 1 GB RAM
  • 64GB 4GB RAM
  • 128GB 6GB RAM
Memory card support
  • microSD
  • up to 64 GB
  • microSDXC (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 2750 mAh
  • Removable Li-Po
  • 6000 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 5.1 (Lollipop)
  • Android 10.0; One UI 2
Chipset
  • Mediatek MT6735 (28 nm)
  • Exynos 9611 (10nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Dash X Plus LTE, Galaxy M21.
SpecificationDash X Plus LTEGalaxy 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
  • 67.6%
  • 84.2%
PPI /points per inch/
  • 267 PPI
  • 403 PPI
Screen protection Unknown
  • Corning Gorilla Glass 3
Camera and Video
Camera and Video — specifications for Dash X Plus LTE, Galaxy M21.
SpecificationDash X Plus LTEGalaxy M21
Rear camera, main
  • 8 MP
  • Single
  • 48 MP
  • Triple
Camera specs
  • 8 MP
  • f/2.4
  • 1/3.2''
  • 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
  • LED flash
  • HDR
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 5 MP
  • Single
  • 20 MP
  • Single
Specifications
  • 5 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 Dash X Plus LTE, Galaxy M21.
SpecificationDash X Plus LTEGalaxy M21
Processor CPU
  • Quad-core 1.0 GHz Cortex-A53
  • Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53)
Graphics processor GPU
  • Mali-T720MP2
  • Mali-G72 MP3
Antutu 8 score * Unknown
  • 182451
General specs
General specs — specifications for Dash X Plus LTE, Galaxy M21.
SpecificationDash X Plus LTEGalaxy M21
Release date
  • 2016
  • March
  • 2020
  • March 18
Colors
  • Black
  • Gold
  • White
  • Midnight Blue
  • Raven Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 160 EUR
Battery life
  • Stand by time- Up to 700 h (2G) / Up to 625 h (3G) Talking time- Up to 25 h (2G) / Up to 16 h (3G)
Unknown
Body build Unknown
  • Glass front (Gorilla Glass 3)
  • plastic back
  • plastic frame
Communication and Connectivity
Communication and Connectivity — specifications for Dash X Plus LTE, Galaxy M21.
SpecificationDash X Plus LTEGalaxy M21
SIM card
  • Dual SIM (Micro-SIM
  • dual stand-by)
  • 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 / 1700(AWS) / 1900 / 2100 -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 12(700)
  • 17(700)
  • 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 42.2/11.5 Mbps
  • LTE Cat4 150/50 Mbps
  • HSPA
  • LTE-A
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
  • 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
  • 2.0
  • Type-C 1.0 reversible connector
Bluetooth
  • 4.0
  • A2DP
  • 5.0
  • A2DP
  • LE
Harmful irradiation Unknown
  • SAR - 0.47 W/kg (head)
Music and Audio
Music and Audio — specifications for Dash X Plus LTE, Galaxy M21.
SpecificationDash X Plus LTEGalaxy M21
Radio
  • Stereo FM radio
  • FM radio
  • RDS
  • recording
Others Unknown
  • 420 nits max brightness
Other features
Other features — specifications for Dash X Plus LTE, Galaxy M21.
SpecificationDash X Plus LTEGalaxy M21
Dop
  • Sensors Accelerometer
  • proximity
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast charging 15W