Plum Sync 4.0 vs Xiaomi Mi Max 3

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: 124 g lighter

    Sync 4.0:
    97 g
    Mi Max 3:
    221 g
  • Width

    Sync 4.0: 23.8 mm narrower

    Sync 4.0:
    63.6 mm
    Mi Max 3:
    87.4 mm
  • Screen diagonal

    Sync 4.0: 2.9 in smaller diagonal

    Sync 4.0:
    4 in
    Mi Max 3:
    6.9 in
  • Chipset

    Sync 4.0:
    Mediatek MT6572M (28 nm)
    Mi Max 3:
    Qualcomm SDM636 Snapdragon 636 (14 nm)
  • Rear camera layout

    Sync 4.0:
    Single
    Mi Max 3:
    Dual
  • Depth

    Mi Max 3: 1.8 mm thinner

    Sync 4.0:
    9.8 mm
    Mi Max 3:
    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 4.0

    Height:
    120.4 mm
    Width:
    63.6 mm
    Depth:
    9.8 mm +1.8 mm versus Mi Max 3
  2. 2. Mi Max 3

    Height:
    176.2 mm +55.8 mm versus Sync 4.0
    Width:
    87.4 mm +23.8 mm versus Sync 4.0
    Depth:
    8 mm

Weight

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

  1. 1. Sync 4.0

    97 g

  2. 2. Mi Max 3

    221 g

    +124 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. Mi Max 3

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

Mi Max 3 has approximately 178.6% 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

Mi Max 3: Original memory entry

128 GB · 6 GB RAM 64 GB · 512GB 4GB

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. Mi Max 3

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 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 4.0

    1200 mAh

  2. 2. Mi Max 3

    5500 mAh

    +4300 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. Mi Max 3

Everyday essentials
Everyday essentials — specifications for Sync 4.0, Mi Max 3.
SpecificationSync 4.0Mi Max 3
Dimensions (HxWxD)
  • 120.4 Х 63.6 Х 9.8 mm
  • 176.2 Х 87.4 Х 8 mm
Weight
  • 97 g
  • 221 g
Technology
  • TFT
  • IPS LCD
Screen size
  • 4" inch
  • 6.9" inch
Screen resolution
  • 480 x 854 px
  • 1080 x 2160 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 512 MB
  • 256 MB RAM
  • 128 GB
  • 6 GB RAM 64 GB
  • 512GB 4GB
Memory card support
  • microSD
  • up to 32 GB
  • microSD
  • up to 256 GB (uses SIM 2 slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1200 mAh
  • Removable Li-Ion
  • 5500 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 4.4 (KitKat)
  • Android 8.1 (Oreo); MIUI 9.5
Chipset
  • Mediatek MT6572M (28 nm)
  • Qualcomm SDM636 Snapdragon 636 (14 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Sync 4.0, Mi Max 3.
SpecificationSync 4.0Mi Max 3
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 44.1 cm2
  • 122.9 cm2
Screen format
  • 16:9 (height:width)
  • 18:9 (height:width)
Screen to body ratio
  • 57.6%
  • 79.8%
PPI /points per inch/
  • 245 PPI
  • 350 PPI
Screen protection Unknown
  • To be confirmed
Camera and Video
Camera and Video — specifications for Sync 4.0, Mi Max 3.
SpecificationSync 4.0Mi Max 3
Rear camera, main
  • 5 MP
  • Single
  • 12 MP
  • Dual
Camera specs
  • 5 MP
  • AF
  • 12 MP
  • f/1.9
  • 1/2.55''
  • 1.4µm
  • dual pixel PDAF -5 MP
  • depth sensor
Functions
  • Face detection
  • Dual-LED flash
  • HDR
  • panorama
Video
  • 720p@30fps
  • 1080p@30fps
Front camera, selfie
  • 1.3 MP
  • Single
  • 8 MP
  • Single
Specifications
  • 1.3 MP
  • 8 MP
  • f/2.0
  • 1/4''
  • 1.12µm
Performance

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

Performance — specifications for Sync 4.0, Mi Max 3.
SpecificationSync 4.0Mi Max 3
Processor CPU
  • Dual-core 1.2 GHz Cortex-A7
  • Octa-core 1.8 GHz Kryo 260
Graphics processor GPU
  • Mali-400
  • Adreno 509
Antutu 7 score *
  • 5527
  • 118846
GeekBench 4 Single Core * Unknown
  • 1336
GeekBench 4 Multi-Core * Unknown
  • 4896
Antutu 8 score * Unknown
  • 143749
GeekBench 5 Single Core * Unknown
  • 276
GeekBench 5 Multi-Core * Unknown
  • 1212
General specs
General specs — specifications for Sync 4.0, Mi Max 3.
SpecificationSync 4.0Mi Max 3
Release date
  • 2014
  • May
  • 2018
  • July
Colors
  • Black
  • White
  • Red
  • Blue
  • Black
  • Champagne Gold
  • Blue
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 230 EUR
Battery life
  • Stand by time- Up to 760 h Talking time- Up to 14 h
Unknown
Body build Unknown
  • Front glass
  • aluminum body
Communication and Connectivity
Communication and Connectivity — specifications for Sync 4.0, Mi Max 3.
SpecificationSync 4.0Mi Max 3
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 CDMA2000 1xEV-DO -4G - LTE band 1(2100)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 20(800)
  • 34(2000)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
Speed Unknown
  • HSPA
  • LTE
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
  • DLNA
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • microUSB 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, Mi Max 3.
SpecificationSync 4.0Mi Max 3
Radio
  • FM radio
  • FM radio
Others Unknown
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Sync 4.0, Mi Max 3.
SpecificationSync 4.0Mi Max 3
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 9V/2A 18W (Quick Charge 3.0)