Plum Sync 4.0 vs Xiaomi Redmi Note 7S

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

    Sync 4.0: 89 g lighter

    Sync 4.0:
    97 g
    Redmi Note 7S:
    186 g
  • Width

    Sync 4.0: 11.6 mm narrower

    Sync 4.0:
    63.6 mm
    Redmi Note 7S:
    75.2 mm
  • Screen diagonal

    Sync 4.0: 2.3 in smaller diagonal

    Sync 4.0:
    4 in
    Redmi Note 7S:
    6.3 in
  • Chipset

    Sync 4.0:
    Mediatek MT6572M (28 nm)
    Redmi Note 7S:
    Qualcomm SDM660 Snapdragon 660 (14 nm)
  • Rear camera layout

    Sync 4.0:
    Single
    Redmi Note 7S:
    Dual
  • Depth

    Redmi Note 7S: 1.7 mm thinner

    Sync 4.0:
    9.8 mm
    Redmi Note 7S:
    8.1 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. Sync 4.0

    Height:
    120.4 mm
    Width:
    63.6 mm
    Depth:
    9.8 mm +1.7 mm versus Redmi Note 7S
  2. 2. Redmi Note 7S

    Height:
    159.2 mm +38.8 mm versus Sync 4.0
    Width:
    75.2 mm +11.6 mm versus Sync 4.0
    Depth:
    8.1 mm

Weight

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

  1. 1. Sync 4.0

    97 g

  2. 2. Redmi Note 7S

    186 g

    +89 g versus Sync 4.0

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. Sync 4.0

    Screen diagonal:
    4 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    44.1 cm²
  2. 2. Redmi Note 7S

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

Redmi Note 7S has approximately 120.9% more rectangular screen area than Sync 4.0.

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.

Sync 4.0: Original memory entry

512 MB · 256 MB RAM

Redmi Note 7S: Original memory entry

64 GB · 4 GB RAM 32 GB · 3 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. Sync 4.0

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

2. Redmi Note 7S

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (uses shared SIM 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. Sync 4.0

    1200 mAh

  2. 2. Redmi Note 7S

    4000 mAh

    +2800 mAh versus Sync 4.0

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. Sync 4.02. Redmi Note 7S

Everyday essentials
Everyday essentials — specifications for Sync 4.0, Redmi Note 7S.
SpecificationSync 4.0Redmi Note 7S
Dimensions (HxWxD)
  • 120.4 Х 63.6 Х 9.8 mm
  • 159.2 Х 75.2 Х 8.1 mm
Weight
  • 97 g
  • 186 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 4" inch
  • 6.3" inch
Screen resolution
  • 480 x 854 px
  • 1080 x 2340 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 512 MB
  • 256 MB RAM
  • 64 GB
  • 4 GB RAM 32 GB
  • 3 GB RAM
Memory card support
  • microSD
  • up to 32 GB
  • microSD
  • up to 256 GB (uses shared SIM slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1200 mAh
  • Removable Li-Ion
  • 4000 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 4.4 (KitKat)
  • Android 9.0 (Pie); MIUI 10
Chipset
  • Mediatek MT6572M (28 nm)
  • Qualcomm SDM660 Snapdragon 660 (14 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Sync 4.0, Redmi Note 7S.
SpecificationSync 4.0Redmi Note 7S
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 44.1 cm2
  • 97.4 cm2
Screen format
  • 16:9 (height:width)
  • 19.5:9 (height:width)
Screen to body ratio
  • 57.6%
  • 81.4%
PPI /points per inch/
  • 245 PPI
  • 409 PPI
Screen protection Unknown
  • Corning Gorilla Glass 5
Camera and Video
Camera and Video — specifications for Sync 4.0, Redmi Note 7S.
SpecificationSync 4.0Redmi Note 7S
Rear camera, main
  • 5 MP
  • Single
  • 48 MP
  • Dual
Camera specs
  • 5 MP
  • AF
  • 48 MP
  • f/1.8
  • (wide)
  • 1/2''
  • 0.8µm
  • PDAF -5 MP
  • f/2.2
  • depth sensor
Functions
  • Face detection
  • HDR
Video
  • 720p@30fps
  • 1080p@30fps
Front camera, selfie
  • 1.3 MP
  • Single
  • 13 MP
  • Single
Specifications
  • 1.3 MP
  • 13 MP
  • f/2.0
  • 1.12µm
Performance

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

Performance — specifications for Sync 4.0, Redmi Note 7S.
SpecificationSync 4.0Redmi Note 7S
Processor CPU
  • Dual-core 1.2 GHz Cortex-A7
  • Octa-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260)
Graphics processor GPU
  • Mali-400
  • Adreno 512
Antutu 7 score *
  • 5527
Unknown
Antutu 8 score * Unknown
  • 166147
GeekBench 5 Single Core * Unknown
  • 333
GeekBench 5 Multi-Core * Unknown
  • 1212
General specs
General specs — specifications for Sync 4.0, Redmi Note 7S.
SpecificationSync 4.0Redmi Note 7S
Release date
  • 2014
  • May
  • 2019
  • May
Colors
  • Black
  • White
  • Red
  • Blue
  • Onyx Black
  • Sapphire Blue
  • Ruby Red
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 140 EUR
Battery life
  • Stand by time- Up to 760 h Talking time- Up to 14 h
Unknown
Body build Unknown
  • Front/back glass (Gorilla Glass 5)
  • plastic frame
Communication and Connectivity
Communication and Connectivity — specifications for Sync 4.0, Redmi Note 7S.
SpecificationSync 4.0Redmi Note 7S
SIM card
  • Dual SIM
  • Hybrid Dual SIM (Nano-SIM
  • dual stand-by)
Network Unknown
  • 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)
Speed Unknown
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat12 600/150 Mbps
GPRS
  • Class 12
  • Yes
Edge
  • Class 12
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • microUSB 2.0
  • 2.0
  • Type-C 1.0 reversible connector
Bluetooth
  • 4.0
  • A2DP
  • 5.0
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for Sync 4.0, Redmi Note 7S.
SpecificationSync 4.0Redmi Note 7S
Radio
  • FM radio
  • FM radio
  • recording
Others Unknown
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Sync 4.0, Redmi Note 7S.
SpecificationSync 4.0Redmi Note 7S
Dop
  • Sensors Accelerometer
  • gyro
  • proximity - Also known as Plum Sync 4.0 X400
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Infrared port - Fast battery charging 18W (Quick Charge 4) - Splash resistant - For India