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Archos 50b Cobalt vs ZTE Blade A520

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

      Blade A520: 30 g lighter

      50b Cobalt:
      160 g
      Blade A520:
      130 g

    • Screen diagonal

      Blade A520: 0.5 in smaller diagonal

      50b Cobalt:
      5.5 in
      Blade A520:
      5 in

    • Chipset

      50b Cobalt:
      Qualcomm MSM8909 Snapdragon 210 (28 nm)
      Blade A520:
      Mediatek MT6737 (28 nm)

    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. 50b Cobalt

      Height:
      Unknown
      Width:
      Unknown
      Depth:
      Unknown

      Unavailable dimensions are omitted from the drawing.

    2. 2. Blade A520

      Height:
      144 mm
      Width:
      71 mm
      Depth:
      8.4 mm

    Weight

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

    1. 1. 50b Cobalt

      160 g

      +30 g versus Blade A520

    2. 2. Blade A520

      130 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.

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

    1. 1. 50b Cobalt

      50b Cobalt: Screen geometry unavailable or conflicting.

    2. 2. Blade A520

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

    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.

    No unambiguous storage/RAM pairings are recorded. See the original specifications below.

    50b Cobalt: Original memory entry

    16/32 GB · 1/2 GB RAM

    Blade A520: Original memory entry

    16 GB · 2 GB RAM 8 GB · 1 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. 50b Cobalt

    NFC:
    See details Super AMOLED
    Headphone jack:
    Yes
    Memory card support:
    See details microSD · up to 64 GB (dedicated slot)

    2. Blade A520

    NFC:
    Unknown
    Headphone jack:
    Yes
    Memory card support:
    See details microSD · up to 128 GB (uses SIM 2 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. 50b Cobalt

      2100 mAh

    2. 2. Blade A520

      2400 mAh

      +300 mAh versus 50b Cobalt

    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. 50b Cobalt2. Blade A520

    Everyday essentials
    Everyday essentials — specifications for 50b Cobalt, Blade A520.
    Specification50b CobaltBlade A520
    Dimensions (HxWxD)
    • 144 Х 72 Х 0 mm
    • 144 Х 71 Х 8.4 mm
    Weight
    • 160 g
    • 130 g
    Technology
    • IPS LCD
    • IPS LCD
    Screen size
    • 5.5" inch
    • 5" inch
    Screen resolution
    • 720 x 1280 px
    • 720 x 1280 px
    Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
    • 16/32 GB
    • 1/2 GB RAM
    • 16 GB
    • 2 GB RAM 8 GB
    • 1 GB RAM
    Memory card support
    • microSD
    • up to 64 GB (dedicated slot)
    • microSD
    • up to 128 GB (uses SIM 2 slot)
    Battery Capacity is not battery life. No endurance test is implied.
    • 2100 mAh
    • Removable Li-Ion
    • 2400 mAh
    • Removable Li-Ion
    Operating system OS
    • Android 6.0 (Marshmallow)
    • Android 7.0 (Nougat)
    Chipset
    • Qualcomm MSM8909 Snapdragon 210 (28 nm)
    • Mediatek MT6737 (28 nm)
    NFC
    • Super AMOLED
    		 Unknown
    Headphone jack
    • Yes
    • Yes
    Display
    Display — specifications for 50b Cobalt, Blade A520.
    Specification50b CobaltBlade A520
    Touchscreen
    • capacitive touchscreen
    • capacitive touchscreen
    Display colors
    • 16M
    • 16M
    Screen area
    • 68.9 cm2
    • 68.9 cm2
    Screen format
    • 16:9 (height:width)
    • 16:9 (height:width)
    Screen to body ratio
    • 136 Х 66.5 Х 9.6 mm
    • 67.4%
    PPI /points per inch/
    • 294 PPI
    • 294 PPI
    Camera and Video
    Camera and Video — specifications for 50b Cobalt, Blade A520.
    Specification50b CobaltBlade A520
    Rear camera, main
    • 13 MP
    • Single
    • 8 MP
    • Single
    Camera specs
    • 13 MP
    • AF
    • 8 MP
    • AF
    Functions
    • Dual-LED flash
    • HDR
    • panorama
    • LED flash
    • HDR
    • panorama
    Video
    • 720p@30fps
    • 1080p@30fps
    Front camera, selfie
    • 2 MP
    • Single
    • 8 MP
    • Single
    Specifications
    • 2 MP
    • 8 MP or 2 MP
    Performance

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

    Performance — specifications for 50b Cobalt, Blade A520.
    Specification50b CobaltBlade A520
    Processor CPU
    • Quad-core 1.1 GHz Cortex-A7
    • Quad-core 1.25 GHz Cortex-A53
    Graphics processor GPU
    • Adreno 304
    • Mali-T720MP2
    Antutu 7 score *
    • 17582
    • 27862
    GeekBench 4 Single Core * Unknown
    • 517
    GeekBench 4 Multi-Core * Unknown
    • 1442
    General specs
    General specs — specifications for 50b Cobalt, Blade A520.
    Specification50b CobaltBlade A520
    Release date
    • 2017
    • January
    • 2017
    • March
    Colors
    • Gray
    • Gray
    Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
    • 80 EUR
    Communication and Connectivity
    Communication and Connectivity — specifications for 50b Cobalt, Blade A520.
    Specification50b CobaltBlade A520
    SIM card
    • Single SIM (Mini-SIM)Dual SIM (Mini-SIM/Micro-SIM
    • dual stand-by)
    • Hybrid 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 800 / 1800 / 2100 / 2600
    • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 900 / 1900 / 2100 HSDPA 850 / 900 / 2100 -4G - LTE band 1(2100)
    • 3(1800)
    • 5(850)
    • 7(2600)
    • 8(900)
    • 20(800)
    Speed
    • HSPA 42.2/11.5 Mbps
    • LTE Cat4 150/50 Mbps
    • HSPA
    • LTE Cat4 150/50 Mbps
    GPRS
    • Yes
    • Yes
    Edge
    • Yes
    • Yes
    Wi-Fi
    • Wi-Fi 802.11 b/g/n
    • Wi-Fi Direct
    • hotspot
    • Wi-Fi 802.11 b/g/n
    • Wi-Fi Direct
    • hotspot
    GPS
    • Yes
    • with A-GPS
    • Yes
    • with A-GPS
    USB
    • microUSB 2.0
    • microUSB 2.0
    Bluetooth
    • 4.0
    • A2DP
    • 4.1
    • A2DP
    • LE
    Harmful irradiation
    • SAR EU - 0.35 W/kg (head) 1.62 W/kg (body)
    		 Unknown
    Music and Audio
    Music and Audio — specifications for 50b Cobalt, Blade A520.
    Specification50b CobaltBlade A520
    Radio
    • FM radio
    • FM radio
    Other features
    Other features — specifications for 50b Cobalt, Blade A520.
    Specification50b CobaltBlade A520
    Dop
    • Sensors Fingerprint (rear-mounted)
    • Sensors Accelerometer
    • proximity
    • Sensors Accelerometer