Xiaomi Mi Max 3 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: 116 g lighter

    Mi Max 3:
    221 g
    N721:
    105 g
  • Width

    N721: 31.2 mm narrower

    Mi Max 3:
    87.4 mm
    N721:
    56.2 mm
  • Screen diagonal

    N721: 4.1 in smaller diagonal

    Mi Max 3:
    6.9 in
    N721:
    2.8 in
  • Rear camera layout

    Mi Max 3:
    Dual
    N721:
    Single
  • Depth

    Mi Max 3: 6.2 mm thinner

    Mi Max 3:
    8 mm
    N721:
    14.2 mm
  • Height

    N721: 70.2 mm shorter

    Mi Max 3:
    176.2 mm
    N721:
    106 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. Mi Max 3

    Height:
    176.2 mm +70.2 mm versus N721
    Width:
    87.4 mm +31.2 mm versus N721
    Depth:
    8 mm
  2. 2. N721

    Height:
    106 mm
    Width:
    56.2 mm
    Depth:
    14.2 mm +6.2 mm versus Mi Max 3

Weight

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

  1. 1. Mi Max 3

    221 g

    +116 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. Mi Max 3

    Screen diagonal:
    6.9 in
    Aspect ratio (height:width):
    18:9
    Approximate rectangular screen area:
    122.9 cm²
  2. 2. N721

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

Mi Max 3 has approximately 406.1% 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.

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

Mi Max 3: Original memory entry

128 GB · 6 GB RAM 64 GB · 512GB 4GB

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. Mi Max 3

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (uses SIM 2 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. Mi Max 3

    5500 mAh

    +4400 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. Mi Max 32. N721

Everyday essentials
Everyday essentials — specifications for Mi Max 3, N721.
SpecificationMi Max 3N721
Dimensions (HxWxD)
  • 176.2 Х 87.4 Х 8 mm
  • 106 Х 56.2 Х 14.2 mm
Weight
  • 221 g
  • 105 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 6.9" inch
  • 2.8" inch
Screen resolution
  • 1080 x 2160 px
  • 240 x 320 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 128 GB
  • 6 GB RAM 64 GB
  • 512GB 4GB
  • 150 MB
Memory card support
  • microSD
  • up to 256 GB (uses SIM 2 slot)
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 5500 mAh
  • Non-removable Li-Ion
  • 1100 mAh
  • Removable Li-Ion
Operating system OS
  • Android 8.1 (Oreo); MIUI 9.5
  • Android OS
Chipset
  • Qualcomm SDM636 Snapdragon 636 (14 nm)
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Mi Max 3, N721.
SpecificationMi Max 3N721
Touchscreen
  • capacitive touchscreen
  • touchscreen
Display colors
  • 16M
  • 256K
Screen area
  • 122.9 cm2
  • 24.3 cm2
Screen format
  • 18:9 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 79.8%
  • 40.8%
PPI /points per inch/
  • 350 PPI
  • 143 PPI
Screen protection
  • To be confirmed
Unknown
Camera and Video
Camera and Video — specifications for Mi Max 3, N721.
SpecificationMi Max 3N721
Rear camera, main
  • 12 MP
  • Dual
  • 2 MP
  • Single
Camera specs
  • 12 MP
  • f/1.9
  • 1/2.55''
  • 1.4µm
  • dual pixel PDAF -5 MP
  • depth sensor
  • 2 MP
Functions
  • Dual-LED flash
  • HDR
  • panorama
Unknown
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 8 MP
  • Single
  • 0 MP,
Specifications
  • 8 MP
  • f/2.0
  • 1/4''
  • 1.12µm
Unknown
Performance

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

Performance — specifications for Mi Max 3, N721.
SpecificationMi Max 3N721
Processor CPU
  • Octa-core 1.8 GHz Kryo 260
Unknown
Graphics processor GPU
  • Adreno 509
Unknown
Antutu 7 score *
  • 118846
Unknown
GeekBench 4 Single Core *
  • 1336
Unknown
GeekBench 4 Multi-Core *
  • 4896
Unknown
Antutu 8 score *
  • 143749
Unknown
GeekBench 5 Single Core *
  • 276
Unknown
GeekBench 5 Multi-Core *
  • 1212
Unknown
General specs
General specs — specifications for Mi Max 3, N721.
SpecificationMi Max 3N721
Release date
  • 2018
  • July
  • 2011
Colors
  • Black
  • Champagne Gold
  • Blue
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 230 EUR
Unknown
Battery life Unknown
  • Stand by time- Up to 250 h Talking time- Up to 4 h 10 min
Body build
  • Front glass
  • aluminum body
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Mi Max 3, N721.
SpecificationMi Max 3N721
SIM card
  • Hybrid Dual SIM (Nano-SIM
  • dual stand-by)
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMA -3G - HSDPA 850 / 900 / 1900 / 2100 CDMA2000 1xEV-DO -4G - LTE band 1(2100)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 20(800)
  • 34(2000)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
  • Show all network frequencies: -2G - GSM 900 / 1800
Speed
  • HSPA
  • LTE
  • HSPA 7.2/0.384 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • DLNA
  • hotspot
  • Wi-Fi 802.11 b/g
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
  • Yes
  • with A-GPS
USB
  • Type-C 1.0 reversible connector
  • microUSB 2.0
Bluetooth
  • 5.0
  • A2DP
  • LE
  • 2.1
Harmful irradiation Unknown
  • SAR EU - 0.73 W/kg (head)
Music and Audio
Music and Audio — specifications for Mi Max 3, N721.
SpecificationMi Max 3N721
Radio
  • FM radio
Unknown
Others
  • Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for Mi Max 3, N721.
SpecificationMi Max 3N721
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Infrared port - Fast battery charging 9V/2A 18W (Quick Charge 3.0)
  • Sensors Accelerometer MP4/H.264 player -MP3/WAV/eAAC+ player -Organizer -Voice memo -Predictive text input