Plum Sync 4.0b vs Xiaomi Redmi 5

Compare recorded specifications, size and practical differences.

+ Add a third phone

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 4.0b: 72.2 g lighter

    Sync 4.0b:
    84.8 g
    Redmi 5:
    157 g
  • Width

    Sync 4.0b: 9.3 mm narrower

    Sync 4.0b:
    63.5 mm
    Redmi 5:
    72.8 mm
  • Screen diagonal

    Sync 4.0b: 1.7 in smaller diagonal

    Sync 4.0b:
    4 in
    Redmi 5:
    5.7 in
  • Chipset

    Sync 4.0b:
    Mediatek MT6572 (28 nm)
    Redmi 5:
    Qualcomm SDM450 Snapdragon 450 (14 nm)
  • Depth

    Redmi 5: 2.7 mm thinner

    Sync 4.0b:
    10.4 mm
    Redmi 5:
    7.7 mm
  • Height

    Sync 4.0b: 27.3 mm shorter

    Sync 4.0b:
    124.5 mm
    Redmi 5:
    151.8 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 4.0b

    Height:
    124.5 mm
    Width:
    63.5 mm
    Depth:
    10.4 mm +2.7 mm versus Redmi 5
  2. 2. Redmi 5

    Height:
    151.8 mm +27.3 mm versus Sync 4.0b
    Width:
    72.8 mm +9.3 mm versus Sync 4.0b
    Depth:
    7.7 mm

Weight

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

  1. 1. Sync 4.0b

    84.8 g

  2. 2. Redmi 5

    157 g

    +72.2 g versus Sync 4.0b

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 4.0b

    Screen diagonal:
    4 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    45.5 cm²
  2. 2. Redmi 5

    Screen diagonal:
    5.7 in
    Aspect ratio (height:width):
    18:9
    Approximate rectangular screen area:
    83.8 cm²

Redmi 5 has approximately 84.1% more rectangular screen area than Sync 4.0b.

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 4.0b: Original memory entry

512 MB · 256 MB RAM

Redmi 5: Original memory entry

32 GB · 3/4 GB RAM 16 GB · 2 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 4.0b

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

2. Redmi 5

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 128 GB (uses SIM 2 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 4.0b

    1300 mAh

  2. 2. Redmi 5

    3300 mAh

    +2000 mAh versus Sync 4.0b

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 4.0b2. Redmi 5

Everyday essentials
Everyday essentials — specifications for Sync 4.0b, Redmi 5.
SpecificationSync 4.0bRedmi 5
Dimensions (HxWxD)
  • 124.5 Х 63.5 Х 10.4 mm
  • 151.8 Х 72.8 Х 7.7 mm
Weight
  • 84.8 g
  • 157 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 4" inch
  • 5.7" inch
Screen resolution
  • 480 x 800 px
  • 720 x 1440 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 512 MB
  • 256 MB RAM
  • 32 GB
  • 3/4 GB RAM 16 GB
  • 2 GB RAM
Memory card support
  • microSD
  • up to 32 GB
  • microSD
  • up to 128 GB (uses SIM 2 slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1300 mAh
  • Removable Li-Ion
  • 3300 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 4.4 (KitKat)
  • Android 7.1.2 (Nougat); MIUI 9.1
Chipset
  • Mediatek MT6572 (28 nm)
  • Qualcomm SDM450 Snapdragon 450 (14 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Sync 4.0b, Redmi 5.
SpecificationSync 4.0bRedmi 5
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 45.5 cm2
  • 83.8 cm2
Screen format
  • 5:3 (height:width)
  • 18:9 (height:width)
Screen to body ratio
  • 57.6%
  • 75.9%
PPI /points per inch/
  • 233 PPI
  • 282 PPI
Screen protection Unknown
  • Corning Gorilla Glass (unspecified version)
Camera and Video
Camera and Video — specifications for Sync 4.0b, Redmi 5.
SpecificationSync 4.0bRedmi 5
Rear camera, main
  • 1.3 MP
  • Single
  • 12 MP
  • Single
Camera specs
  • 1.3 MP
  • 12 MP
  • f/2.2
  • 1.25 µm
  • PDAF
Functions Unknown
  • LED flash
  • HDR
  • panorama
Video
  • 720p@30fps
  • 1080p@30fps
Front camera, selfie
  • 1.3 MP
  • Single
  • 5 MP
  • Single
Specifications
  • 1.3 MP
  • 5 MP
Performance

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

Performance — specifications for Sync 4.0b, Redmi 5.
SpecificationSync 4.0bRedmi 5
Processor CPU
  • Dual-core 1.0 GHz Cortex-A7
  • Octa-core 1.8 GHz Cortex-A53
Graphics processor GPU
  • Mali-400
  • Adreno 506
Antutu 7 score * Unknown
  • 70152
GeekBench 4 Single Core * Unknown
  • 773
GeekBench 4 Multi-Core * Unknown
  • 3701
GeekBench 4 RenderScript * Unknown
  • 3021
GeekBench 5 Single Core * Unknown
  • 146
GeekBench 5 Multi-Core * Unknown
  • 847
General specs
General specs — specifications for Sync 4.0b, Redmi 5.
SpecificationSync 4.0bRedmi 5
Release date
  • 2015
  • June
  • 2017
  • December
Colors
  • Black
  • White
  • Red
  • Blue
  • Black
  • Gold
  • Light Blue
  • Rose Gold
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 160 EUR
Battery life
  • Stand by time- Up to 180 h Talking time- Up to 2 h 30 min
Unknown
Body build Unknown
  • Front glass
  • plastic frame & ends
  • aluminum back
Communication and Connectivity
Communication and Connectivity — specifications for Sync 4.0b, Redmi 5.
SpecificationSync 4.0bRedmi 5
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 CDMA 800 & TD-SCDMA -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)
Speed Unknown
  • HSPA
  • LTE
GPRS
  • Class 12
  • Yes
Edge
  • Class 12
  • Yes
Wi-Fi
  • No
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • microUSB 2.0
  • microUSB 2.0
  • USB On-The-Go
Bluetooth
  • 2.0
  • 4.2
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for Sync 4.0b, Redmi 5.
SpecificationSync 4.0bRedmi 5
Radio
  • FM radio
  • FM radio
Others Unknown
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Sync 4.0b, Redmi 5.
SpecificationSync 4.0bRedmi 5
Dop
  • Sensors Accelerometer Flashlight Also known as Plum Sync 4.0b X400
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Infrared port - Charging 5V/2A 10W - For China; India