BLU Tango 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

    Tango: 96 g lighter

    Tango:
    94 g
    Blade 20:
    190 g
  • Width

    Tango: 21.6 mm narrower

    Tango:
    55 mm
    Blade 20:
    76.6 mm
  • Screen diagonal

    Tango: 3.69 in smaller diagonal

    Tango:
    2.8 in
    Blade 20:
    6.49 in
  • Chipset

    Tango:
    Qualcomm MSM7227 Snapdragon S1
    Blade 20:
    Mediatek MT6771 Helio P70 (12nm)
  • Rear camera layout

    Tango:
    Single
    Blade 20:
    Dual
  • Depth

    Blade 20: 4 mm thinner

    Tango:
    13 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. Tango

    Height:
    98.7 mm
    Width:
    55 mm
    Depth:
    13 mm +4 mm versus Blade 20
  2. 2. Blade 20

    Height:
    162.9 mm +64.2 mm versus Tango
    Width:
    76.6 mm +21.6 mm versus Tango
    Depth:
    9 mm

Weight

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

  1. 1. Tango

    94 g

  2. 2. Blade 20

    190 g

    +96 g versus Tango

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. Tango

    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 Tango.

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

512 MB · 256 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. Tango

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 16 GB (dedicated slot) · 2 GB included

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. Tango

    1200 mAh

  2. 2. Blade 20

    5000 mAh

    +3800 mAh versus Tango

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. Tango2. Blade 20

Everyday essentials
Everyday essentials — specifications for Tango, Blade 20.
SpecificationTangoBlade 20
Dimensions (HxWxD)
  • 98.7 Х 55 Х 13 mm
  • 162.9 Х 76.6 Х 9 mm
Weight
  • 94 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.
  • 512 MB
  • 256 MB RAM
  • 128GB 4GB RAM
Memory card support
  • microSD
  • up to 16 GB (dedicated slot)
  • 2 GB included
  • microSD
  • up to 256 GB (uses shared SIM slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1200 mAh
  • Removable Li-Ion
  • 5000 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 2.2 (Froyo)
  • Android 9.0 (Pie)
Chipset
  • Qualcomm MSM7227 Snapdragon S1
  • Mediatek MT6771 Helio P70 (12nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Tango, Blade 20.
SpecificationTangoBlade 20
Touchscreen
  • resistive touchscreen
  • capacitive touchscreen
Display colors
  • 256K
  • 16M
Screen area
  • 24.3 cm2
  • 103.4 cm2
Screen format
  • 4:3 (height:width)
  • 19.5:9 (height:width)
Screen to body ratio
  • 44.7%
  • 82.9%
PPI /points per inch/
  • 143 PPI
  • 265 PPI
Camera and Video
Camera and Video — specifications for Tango, Blade 20.
SpecificationTangoBlade 20
Rear camera, main
  • 3.15 MP
  • Single
  • 16 MP
  • Dual
Camera specs
  • 3.15 MP
  • 16 MP
  • f/2.0
  • PDAF -8 MP
  • 12mm (ultrawide) -2 MP
  • depth sensor
Functions Unknown
  • LED flash
  • HDR
  • panorama
Video
  • 320p@15fps
  • 1080p@30fps
Front camera, selfie
  • 0 MP,
  • 8 MP
  • Single
Specifications Unknown
  • 8 MP
  • f/2.4
Performance
Performance — specifications for Tango, Blade 20.
SpecificationTangoBlade 20
Processor CPU
  • 600 MHz ARM 11
  • Octa-core (4x2.0 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53)
Graphics processor GPU
  • Adreno 200
  • Mali-G72 MP3
General specs
General specs — specifications for Tango, Blade 20.
SpecificationTangoBlade 20
Release date
  • 2010
  • September
  • 2019
  • October
Colors
  • Black
  • White
  • Red
  • Turquoise
  • Magic red
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 100 EUR
  • 130 EUR
Battery life
  • Stand by time- Up to 500 h (2G) / Up to 500 h (3G) Talking time- Up to 12 h (2G) / Up to 6 h (3G)
Unknown
Body build Unknown
  • Front glass
  • plastic body
Communication and Connectivity
Communication and Connectivity — specifications for Tango, Blade 20.
SpecificationTangoBlade 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 3.6/0.384 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A
GPRS
  • Class 10
  • Yes
Edge
  • Class 10
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
USB
  • microUSB 2.0
  • microUSB 2.0
  • USB On-The-Go
Bluetooth
  • 2.1
  • 5.0
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for Tango, Blade 20.
SpecificationTangoBlade 20
Radio
  • Stereo FM radio
  • RDS
  • FM radio
  • recording
Others Unknown
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Tango, Blade 20.
SpecificationTangoBlade 20
Dop
  • Sensors Accelerometer
  • compass - MP3/AAC/AAC+/eAAC+/AMR-NB/AMR-WB/MIDI/PCM/WMA -MP4/H.264/WMV player -Predictive text input
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • proximity
  • compass - Fast battery charging 18W