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Plum Sync vs Xiaomi Redmi 4X

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: 40 g lighter

    Sync:
    110 g
    Redmi 4X:
    150 g
  • Width

    Sync: 7.6 mm narrower

    Sync:
    62.4 mm
    Redmi 4X:
    70 mm
  • Screen diagonal

    Sync: 1.5 in smaller diagonal

    Sync:
    3.5 in
    Redmi 4X:
    5 in
  • Chipset

    Sync:
    Mediatek MT6572 (28 nm)
    Redmi 4X:
    Qualcomm MSM8940 Snapdragon 435 (28 nm)
  • Depth

    Redmi 4X: 2.8 mm thinner

    Sync:
    11.5 mm
    Redmi 4X:
    8.7 mm
  • Height

    Sync: 21.2 mm shorter

    Sync:
    118 mm
    Redmi 4X:
    139.2 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

    Height:
    118 mm
    Width:
    62.4 mm
    Depth:
    11.5 mm +2.8 mm versus Redmi 4X
  2. 2. Redmi 4X

    Height:
    139.2 mm +21.2 mm versus Sync
    Width:
    70 mm +7.6 mm versus Sync
    Depth:
    8.7 mm

Weight

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

  1. 1. Sync

    110 g

  2. 2. Redmi 4X

    150 g

    +40 g versus Sync

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

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

    Screen diagonal:
    5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    68.9 cm²

Redmi 4X has approximately 88.9% more rectangular screen area than Sync.

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: Original memory entry

512 MB · 256 MB RAM

Redmi 4X: Original memory entry

64 GB · 4 GB RAM 32 GB · 3 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

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

2. Redmi 4X

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

    1100 mAh

  2. 2. Redmi 4X

    4100 mAh

    +3000 mAh versus Sync

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. Sync2. Redmi 4X

Everyday essentials
Everyday essentials — specifications for Sync, Redmi 4X.
SpecificationSyncRedmi 4X
Dimensions (HxWxD)
  • 118 Х 62.4 Х 11.5 mm
  • 139.2 Х 70 Х 8.7 mm
Weight
  • 110 g
  • 150 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 3.5" inch
  • 5" inch
Screen resolution
  • 320 x 480 px
  • 720 x 1280 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 16 GB
  • 2 GB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSD
  • up to 128 GB (uses SIM 2 slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1100 mAh
  • Removable Li-Ion
  • 4100 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 4.2 (Jelly Bean)
  • Android 6.0.1 (Marshmallow)
  • upgradable to 7.1.2 (Nougat); MIUI 10
Chipset
  • Mediatek MT6572 (28 nm)
  • Qualcomm MSM8940 Snapdragon 435 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Sync, Redmi 4X.
SpecificationSyncRedmi 4X
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 256K
  • 16M
Screen area
  • 36.5 cm2
  • 68.9 cm2
Screen format
  • 3:2 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 49.5%
  • 70.7%
PPI /points per inch/
  • 165 PPI
  • 294 PPI
Screen protection Unknown
  • Corning Gorilla Glass (unspecified version)
Camera and Video
Camera and Video — specifications for Sync, Redmi 4X.
SpecificationSyncRedmi 4X
Rear camera, main
  • 5 MP
  • Single
  • 13 MP
  • Single
Camera specs
  • 5 MP
  • 13 MP
  • PDAF
  • f/2.0
Functions Unknown
  • LED flash
  • HDR
  • panorama
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 5 MP
  • Single
  • 5 MP
  • Single
Specifications
  • 5 MP
  • 5 MP
  • f/2.2
Performance

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

Performance — specifications for Sync, Redmi 4X.
SpecificationSyncRedmi 4X
Processor CPU
  • Dual-core 1.0 GHz Cortex-A7
  • Octa-core 1.4 GHz Cortex-A53
Graphics processor GPU
  • Mali-400
  • Adreno 505
Antutu 7 score * Unknown
  • 43670
GeekBench 4 Single Core * Unknown
  • 649
GeekBench 4 Multi-Core * Unknown
  • 2059
GeekBench 4 RenderScript * Unknown
  • 2170
Antutu 8 score * Unknown
  • 71204
GeekBench 5 Single Core * Unknown
  • 124
GeekBench 5 Multi-Core * Unknown
  • 574
General specs
General specs — specifications for Sync, Redmi 4X.
SpecificationSyncRedmi 4X
Release date
  • 2013
  • September
  • 2017
  • May
Colors
  • Black
  • White
  • Black
  • Gold
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 110 EUR
Battery life
  • Stand by time- Up to 180 h Talking time- Up to 4 h
  • Stand by time- Up to 432 h (3G) Talking time- Up to 36 h (3G) Music play - Up to 87 h
Body build Unknown
  • Front glass
  • aluminum body
Communication and Connectivity
Communication and Connectivity — specifications for Sync, Redmi 4X.
SpecificationSyncRedmi 4X
SIM card
  • Dual SIM
  • Hybrid Dual SIM (Nano-SIM/ Micro-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)
  • 7(2600)
  • 8(900)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
Speed Unknown
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat6 300/100 Mbps
GPRS
  • Class 12
  • Yes
Edge
  • Class 12
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • microUSB
  • microUSB 2.0
Bluetooth
  • 2.1
  • A2DP
  • EDR
  • 4.2
  • A2DP
  • LE
Music and Audio
Music and Audio — specifications for Sync, Redmi 4X.
SpecificationSyncRedmi 4X
Radio
  • Stereo FM radio
  • FM radio
Others Unknown
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Sync, Redmi 4X.
SpecificationSyncRedmi 4X
Dop
  • Sensors Accelerometer
  • proximity
  • compass - X210 Dual SIM X211 Single SIM
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Infrared port - Also known as Xiaomi Redmi 4X for China
  • Malaysia
  • Pakistan
  • Indonesia