Spice Stellar 520 (Mi-520) vs ZTE N721

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

    N721: 51 g lighter

    Stellar 520 (Mi-520):
    156 g
    N721:
    105 g
  • Width

    N721: 16.6 mm narrower

    Stellar 520 (Mi-520):
    72.8 mm
    N721:
    56.2 mm
  • Screen diagonal

    N721: 2.2 in smaller diagonal

    Stellar 520 (Mi-520):
    5 in
    N721:
    2.8 in
  • Depth

    Stellar 520 (Mi-520): 5.7 mm thinner

    Stellar 520 (Mi-520):
    8.5 mm
    N721:
    14.2 mm
  • Height

    N721: 39 mm shorter

    Stellar 520 (Mi-520):
    145 mm
    N721:
    106 mm
  • Release year

    Stellar 520 (Mi-520):
    2014
    N721:
    2011

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. Stellar 520 (Mi-520)

    Height:
    145 mm +39 mm versus N721
    Width:
    72.8 mm +16.6 mm versus N721
    Depth:
    8.5 mm
  2. 2. N721

    Height:
    106 mm
    Width:
    56.2 mm
    Depth:
    14.2 mm +5.7 mm versus Stellar 520 (Mi-520)

Weight

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

  1. 1. Stellar 520 (Mi-520)

    156 g

    +51 g versus N721

  2. 2. N721

    105 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. Stellar 520 (Mi-520)

    Screen diagonal:
    5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    68.9 cm²
  2. 2. N721

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

Stellar 520 (Mi-520) has approximately 183.9% more rectangular screen area than N721.

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 Stellar 520 (Mi-520), N721, compared at the same storage capacity.
StorageStellar 520 (Mi-520)N721
4 GB 1 GB RAM Unknown
N721: Original memory entry

150 MB

Practical features

Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

1. Stellar 520 (Mi-520)

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

2. N721

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB (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. Stellar 520 (Mi-520)

    2000 mAh

    +900 mAh versus N721

  2. 2. N721

    1100 mAh

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. Stellar 520 (Mi-520)2. N721

Everyday essentials
Everyday essentials — specifications for Stellar 520 (Mi-520), N721.
SpecificationStellar 520 (Mi-520)N721
Dimensions (HxWxD)
  • 145 Х 72.8 Х 8.5 mm
  • 106 Х 56.2 Х 14.2 mm
Weight
  • 156 g
  • 105 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 5" inch
  • 2.8" inch
Screen resolution
  • 720 x 1280 px
  • 240 x 320 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 4 GB
  • 1 GB RAM
  • 150 MB
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 2000 mAh
  • Li-Ion
  • 1100 mAh
  • Removable Li-Ion
Operating system OS
  • Android 4.4.2 (KitKat)
  • Android OS
Chipset
  • Mediatek MT6582 (28 nm)
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Stellar 520 (Mi-520), N721.
SpecificationStellar 520 (Mi-520)N721
Touchscreen
  • capacitive touchscreen
  • touchscreen
Display colors
  • 16M
  • 256K
Screen area
  • 68.9 cm2
  • 24.3 cm2
Screen format
  • 16:9 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 65.3%
  • 40.8%
PPI /points per inch/
  • 294 PPI
  • 143 PPI
Camera and Video
Camera and Video — specifications for Stellar 520 (Mi-520), N721.
SpecificationStellar 520 (Mi-520)N721
Rear camera, main
  • 8 MP
  • Single
  • 2 MP
  • Single
Camera specs
  • 8 MP
  • AF
  • 2 MP
Functions
  • LED flash
  • panorama
  • HDR
Unknown
Video
  • Yes
  • Yes
Front camera, selfie
  • 2 MP
  • Single
  • 0 MP,
Specifications
  • 2 MP
Unknown
Performance
Performance — specifications for Stellar 520 (Mi-520), N721.
SpecificationStellar 520 (Mi-520)N721
Processor CPU
  • Quad-core 1.3 GHz Cortex-A7
Unknown
Graphics processor GPU
  • Mali-400MP2
Unknown
General specs
General specs — specifications for Stellar 520 (Mi-520), N721.
SpecificationStellar 520 (Mi-520)N721
Release date
  • 2014
  • July
  • 2011
Colors
  • Red/Yellow
  • Black
Battery life
  • Stand by time- Up to 200 h Talking time- Up to 4 h Music play - Up to 20 h
  • Stand by time- Up to 250 h Talking time- Up to 4 h 10 min
Communication and Connectivity
Communication and Connectivity — specifications for Stellar 520 (Mi-520), N721.
SpecificationStellar 520 (Mi-520)N721
SIM card
  • Mini-SIM
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
  • Show all network frequencies: -2G - GSM 900 / 1800
Speed
  • HSPA 21.1/5.76 Mbps
  • HSPA 7.2/0.384 Mbps
GPRS
  • Class 12
  • Yes
Edge
  • Class 12
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 b/g
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 3.0
  • A2DP
  • EDR
  • 2.1
Harmful irradiation
  • SAR EU - 0.82 W/kg (head)
  • SAR EU - 0.73 W/kg (head)
Music and Audio
Music and Audio — specifications for Stellar 520 (Mi-520), N721.
SpecificationStellar 520 (Mi-520)N721
Radio
  • FM radio
Unknown
Other features
Other features — specifications for Stellar 520 (Mi-520), N721.
SpecificationStellar 520 (Mi-520)N721
Dop
  • Sensors Accelerometer
  • proximity
  • Sensors Accelerometer MP4/H.264 player -MP3/WAV/eAAC+ player -Organizer -Voice memo -Predictive text input