Motorola A3100 vs ZTE Blade 20

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.

  • Weight

    A3100: 71 g lighter

    A3100:
    119 g
    Blade 20:
    190 g
  • Width

    A3100: 16.9 mm narrower

    A3100:
    59.7 mm
    Blade 20:
    76.6 mm
  • Screen diagonal

    A3100: 3.69 in smaller diagonal

    A3100:
    2.8 in
    Blade 20:
    6.49 in
  • Chipset

    A3100:
    Qualcomm MSM7201A
    Blade 20:
    Mediatek MT6771 Helio P70 (12nm)
  • Rear camera layout

    A3100:
    Single
    Blade 20:
    Dual
  • Depth

    Blade 20: 4.7 mm thinner

    A3100:
    13.7 mm
    Blade 20:
    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. A3100

    Height:
    110 mm
    Width:
    59.7 mm
    Depth:
    13.7 mm +4.7 mm versus Blade 20
  2. 2. Blade 20

    Height:
    162.9 mm +52.9 mm versus A3100
    Width:
    76.6 mm +16.9 mm versus A3100
    Depth:
    9 mm

Weight

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

  1. 1. A3100

    119 g

  2. 2. Blade 20

    190 g

    +71 g versus A3100

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. A3100

    Screen diagonal:
    2.8 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    24.3 cm²
  2. 2. Blade 20

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

Blade 20 has approximately 325.9% more rectangular screen area than A3100.

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 A3100, Blade 20, compared at the same storage capacity.
StorageA3100Blade 20
128 GB Unknown 4 GB RAM
A3100: Original memory entry

256 MB · 128 MB 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. A3100

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 16 GB (dedicated slot)

2. Blade 20

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (uses shared SIM 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. A3100

    1170 mAh

  2. 2. Blade 20

    5000 mAh

    +3830 mAh versus A3100

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. A31002. Blade 20

Everyday essentials
Everyday essentials — specifications for A3100, Blade 20.
SpecificationA3100Blade 20
Dimensions (HxWxD)
  • 110 Х 59.7 Х 13.7 mm
  • 162.9 Х 76.6 Х 9 mm
Weight
  • 119 g
  • 190 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 2.8" inch
  • 6.49" inch
Screen resolution
  • 240 x 320 px
  • 720 x 1560 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 256 MB
  • 128 MB RAM
  • 128GB 4GB RAM
Memory card support
  • microSD
  • up to 16 GB (dedicated slot)
  • microSD
  • up to 256 GB (uses shared SIM slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1170 mAh
  • Removable Li-Ion
  • 5000 mAh
  • Non-removable Li-Po
Operating system OS
  • Microsoft Windows Mobile 6.1 Professional
  • Android 9.0 (Pie)
Chipset
  • Qualcomm MSM7201A
  • Mediatek MT6771 Helio P70 (12nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for A3100, Blade 20.
SpecificationA3100Blade 20
Touchscreen
  • resistive touchscreen
  • capacitive touchscreen
Display colors
  • 65K
  • 16M
Screen area
  • 24.3 cm2
  • 103.4 cm2
Screen format
  • 4:3 (height:width)
  • 19.5:9 (height:width)
Screen to body ratio
  • 37.0%
  • 82.9%
PPI /points per inch/
  • 143 PPI
  • 265 PPI
Camera and Video
Camera and Video — specifications for A3100, Blade 20.
SpecificationA3100Blade 20
Rear camera, main
  • 3.15 MP
  • Single
  • 16 MP
  • Dual
Camera specs
  • 3.15 MP
  • AF
  • 16 MP
  • f/2.0
  • PDAF -8 MP
  • 12mm (ultrawide) -2 MP
  • depth sensor
Functions
  • LED flash
  • LED flash
  • HDR
  • panorama
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 8 MP
  • Single
Specifications
  • VGA videocall camera
  • 8 MP
  • f/2.4
Performance
Performance — specifications for A3100, Blade 20.
SpecificationA3100Blade 20
Processor CPU
  • 528 MHz ARM 11
  • Octa-core (4x2.0 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)
Graphics processor GPU
  • Adreno 130
  • Mali-G72 MP3
General specs
General specs — specifications for A3100, Blade 20.
SpecificationA3100Blade 20
Release date
  • 2009
  • January
  • 2019
  • October
Colors
  • Black
  • Turquoise
  • Magic red
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 150 EUR
  • 130 EUR
Battery life
  • Stand by time- Up to 298 h Talking time- Up to 6 h 48 min
Unknown
Body build Unknown
  • Front glass
  • plastic body
Communication and Connectivity
Communication and Connectivity — specifications for A3100, Blade 20.
SpecificationA3100Blade 20
SIM card
  • Mini-SIM
  • Hybrid Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 2100 -4G - LTE (unspecified)
Speed
  • HSPA 7.2/0.384 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A
GPRS
  • Class 12
  • Yes
Edge
  • Class 12
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
USB
  • miniUSB
  • microUSB 2.0
  • USB On-The-Go
Bluetooth
  • 2.0
  • A2DP
  • 5.0
  • A2DP
  • LE
Harmful irradiation
  • SAR - 1.31 W/kg (head) 1.33 W/kg (body) SAR EU - 0.93 W/kg (head)
Unknown
Music and Audio
Music and Audio — specifications for A3100, Blade 20.
SpecificationA3100Blade 20
Radio
  • No
  • FM radio
  • recording
Others
  • Handwriting recognition
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for A3100, Blade 20.
SpecificationA3100Blade 20
Dop
  • Pocket Office -Voice memo -MP3/WMA/MP4/WMV player
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity
  • compass - Fast battery charging 18W