Xiaomi Redmi Note 7S vs ZTE V821

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

    V821: 66 g lighter

    Redmi Note 7S:
    186 g
    V821:
    120 g
  • Width

    V821: 18.7 mm narrower

    Redmi Note 7S:
    75.2 mm
    V821:
    56.5 mm
  • Chipset

    Redmi Note 7S:
    Qualcomm SDM660 Snapdragon 660 (14 nm)
    V821:
    Mediatek MT6516
  • Rear camera layout

    Redmi Note 7S:
    Dual
    V821:
    Single
  • Depth

    Redmi Note 7S: 3.7 mm thinner

    Redmi Note 7S:
    8.1 mm
    V821:
    11.8 mm
  • Height

    V821: 43.2 mm shorter

    Redmi Note 7S:
    159.2 mm
    V821:
    116 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 7S

    Height:
    159.2 mm +43.2 mm versus V821
    Width:
    75.2 mm +18.7 mm versus V821
    Depth:
    8.1 mm
  2. 2. V821

    Height:
    116 mm
    Width:
    56.5 mm
    Depth:
    11.8 mm +3.7 mm versus Redmi Note 7S

Weight

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

  1. 1. Redmi Note 7S

    186 g

    +66 g versus V821

  2. 2. V821

    120 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. Redmi Note 7S

    Screen diagonal:
    6.3 in
    Aspect ratio (height:width):
    19.5:9
    Approximate rectangular screen area:
    97.4 cm²
  2. 2. V821

    V821: Screen geometry unavailable or conflicting.

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 7S: Original memory entry

64 GB · 4 GB RAM 32 GB · 3 GB RAM

V821: Original memory entry

256 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 7S

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (uses shared SIM slot)

2. V821

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.

At least two unambiguous positive capacity values are needed for a chart. Original entries remain in the specifications.

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 7S2. V821

Everyday essentials
Everyday essentials — specifications for Redmi Note 7S, V821.
SpecificationRedmi Note 7SV821
Dimensions (HxWxD)
  • 159.2 Х 75.2 Х 8.1 mm
  • 116 Х 56.5 Х 11.8 mm
Weight
  • 186 g
  • 120 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 6.3" inch
  • 0" inch
Screen resolution
  • 1080 x 2340 px
  • 320 x 240 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64 GB
  • 4 GB RAM 32 GB
  • 3 GB RAM
  • 256 MB
Memory card support
  • microSD
  • up to 256 GB (uses shared SIM 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
  • 0 mAh,
Operating system OS
  • Android 9.0 (Pie); MIUI 10
  • Android 2.2 (Froyo)
Chipset
  • Qualcomm SDM660 Snapdragon 660 (14 nm)
  • Mediatek MT6516
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Redmi Note 7S, V821.
SpecificationRedmi Note 7SV821
Touchscreen
  • capacitive touchscreen
  • resistive touchscreen
Display colors
  • 16M
  • 65K
Screen area
  • 97.4 cm2
Unknown
Screen format
  • 19.5:9 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 81.4%
Unknown
PPI /points per inch/
  • 409 PPI
  • 0 PPI
Screen protection
  • Corning Gorilla Glass 5
Unknown
Camera and Video
Camera and Video — specifications for Redmi Note 7S, V821.
SpecificationRedmi Note 7SV821
Rear camera, main
  • 48 MP
  • Dual
  • 2 MP
  • Single
Camera specs
  • 48 MP
  • f/1.8
  • (wide)
  • 1/2''
  • 0.8µm
  • PDAF -5 MP
  • f/2.2
  • depth sensor
  • 2 MP
  • AF
Functions
  • HDR
Unknown
Video
  • 1080p@30fps
  • Yes
Front camera, selfie
  • 13 MP
  • Single
  • 0 MP,
Specifications
  • 13 MP
  • f/2.0
  • 1.12µm
Unknown
Performance

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

Performance — specifications for Redmi Note 7S, V821.
SpecificationRedmi Note 7SV821
Processor CPU
  • Octa-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260)
  • 416 MHz
Graphics processor GPU
  • Adreno 512
Unknown
Antutu 8 score *
  • 166147
Unknown
GeekBench 5 Single Core *
  • 333
Unknown
GeekBench 5 Multi-Core *
  • 1212
Unknown
General specs
General specs — specifications for Redmi Note 7S, V821.
SpecificationRedmi Note 7SV821
Release date
  • 2019
  • May
  • 2011
  • June
Colors
  • Onyx Black
  • Sapphire Blue
  • Ruby Red
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 140 EUR
  • 220 EUR
Body build
  • Front/back glass (Gorilla Glass 5)
  • plastic frame
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Redmi Note 7S, V821.
SpecificationRedmi Note 7SV821
SIM card
  • Hybrid Dual SIM (Nano-SIM
  • dual stand-by)
  • Dual SIM (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)
  • 8(900)
  • 40(2300)
  • 41(2500)
Unknown
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat12 600/150 Mbps
Unknown
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
  • hotspot
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
  • A2DP
Music and Audio
Music and Audio — specifications for Redmi Note 7S, V821.
SpecificationRedmi Note 7SV821
Radio
  • FM radio
  • recording
  • FM radio
Others
  • Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for Redmi Note 7S, V821.
SpecificationRedmi Note 7SV821
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Infrared port - Fast battery charging 18W (Quick Charge 4) - Splash resistant - For India
  • MP4/H.264 player -MP3/WAV/eAAC+ player -Organizer -Voice memo -Predictive text input