Xiaomi Redmi Note 7 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: 81 g lighter

    Redmi Note 7:
    186 g
    N721:
    105 g
  • Width

    N721: 19 mm narrower

    Redmi Note 7:
    75.2 mm
    N721:
    56.2 mm
  • Screen diagonal

    N721: 3.5 in smaller diagonal

    Redmi Note 7:
    6.3 in
    N721:
    2.8 in
  • Rear camera layout

    Redmi Note 7:
    Dual
    N721:
    Single
  • Depth

    Redmi Note 7: 6.1 mm thinner

    Redmi Note 7:
    8.1 mm
    N721:
    14.2 mm
  • Height

    N721: 53.2 mm shorter

    Redmi Note 7:
    159.2 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. Redmi Note 7

    Height:
    159.2 mm +53.2 mm versus N721
    Width:
    75.2 mm +19 mm versus N721
    Depth:
    8.1 mm
  2. 2. N721

    Height:
    106 mm
    Width:
    56.2 mm
    Depth:
    14.2 mm +6.1 mm versus Redmi Note 7

Weight

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

  1. 1. Redmi Note 7

    186 g

    +81 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. Redmi Note 7

    Screen diagonal:
    6.3 in
    Aspect ratio (height:width):
    19.5:9
    Approximate rectangular screen area:
    97.4 cm²
  2. 2. N721

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

Redmi Note 7 has approximately 301.3% 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.

Redmi Note 7: Original memory entry

64 GB · 4/6 GB RAM 32 GB · 3 GB RAM

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. Redmi Note 7

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. Redmi Note 7

    4000 mAh

    +2900 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. Redmi Note 72. N721

Everyday essentials
Everyday essentials — specifications for Redmi Note 7, N721.
SpecificationRedmi Note 7N721
Dimensions (HxWxD)
  • 159.2 Х 75.2 Х 8.1 mm
  • 106 Х 56.2 Х 14.2 mm
Weight
  • 186 g
  • 105 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 6.3" inch
  • 2.8" inch
Screen resolution
  • 1080 x 2340 px
  • 240 x 320 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64 GB
  • 4/6 GB RAM 32 GB
  • 3 GB RAM
  • 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.
  • 4000 mAh
  • Non-removable Li-Po
  • 1100 mAh
  • Removable Li-Ion
Operating system OS
  • Android 9.0 (Pie); MIUI 10
  • Android OS
Chipset
  • Qualcomm SDM660 Snapdragon 660 (14 nm)
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Redmi Note 7, N721.
SpecificationRedmi Note 7N721
Touchscreen
  • capacitive touchscreen
  • touchscreen
Display colors
  • 16M
  • 256K
Screen area
  • 97.4 cm2
  • 24.3 cm2
Screen format
  • 19.5:9 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 81.4%
  • 40.8%
PPI /points per inch/
  • 409 PPI
  • 143 PPI
Screen protection
  • Corning Gorilla Glass 5
Unknown
Camera and Video
Camera and Video — specifications for Redmi Note 7, N721.
SpecificationRedmi Note 7N721
Rear camera, main
  • 48 MP
  • Dual
  • 2 MP
  • Single
Camera specs
  • 48 MP
  • f/1.8
  • 1/2''
  • 0.8µm
  • PDAF -5 MP
  • f/2.4
  • depth sensor
  • 2 MP
Functions
  • HDR
Unknown
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 13 MP
  • Single
  • 0 MP,
Specifications
  • 13 MP
Unknown
Performance

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

Performance — specifications for Redmi Note 7, N721.
SpecificationRedmi Note 7N721
Processor CPU
  • Octa-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260)
Unknown
Graphics processor GPU
  • Adreno 512
Unknown
Antutu 7 score *
  • 144610
Unknown
GeekBench 4 Single Core *
  • 1462
Unknown
GeekBench 4 Multi-Core *
  • 4556
Unknown
Antutu 8 score *
  • 179213
Unknown
GeekBench 5 Single Core *
  • 334
Unknown
GeekBench 5 Multi-Core *
  • 1294
Unknown
General specs
General specs — specifications for Redmi Note 7, N721.
SpecificationRedmi Note 7N721
Release date
  • 2019
  • January
  • 2011
Colors
  • Blue
  • Black
  • Twilight Gold
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 150 EUR
Unknown
Battery life Unknown
  • Stand by time- Up to 250 h Talking time- Up to 4 h 10 min
Communication and Connectivity
Communication and Connectivity — specifications for Redmi Note 7, N721.
SpecificationRedmi Note 7N721
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 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 34(2000)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
  • Show all network frequencies: -2G - GSM 900 / 1800
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A (3CA) Cat9 450/50 Mbps
  • 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
  • hotspot
  • Wi-Fi 802.11 b/g
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
  • Yes
  • with A-GPS
USB
  • 2.0
  • 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 Redmi Note 7, N721.
SpecificationRedmi Note 7N721
Radio
  • FM radio
  • recording
Unknown
Others
  • Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for Redmi Note 7, N721.
SpecificationRedmi Note 7N721
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Infrared port - Fast battery charging (Quick Charge 4)
  • Sensors Accelerometer MP4/H.264 player -MP3/WAV/eAAC+ player -Organizer -Voice memo -Predictive text input