BLU Studio X9 HD vs Plum Sync 4.0

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: 47 g lighter

    Studio X9 HD:
    144 g
    Sync 4.0:
    97 g
  • Width

    Sync 4.0: 9.4 mm narrower

    Studio X9 HD:
    73 mm
    Sync 4.0:
    63.6 mm
  • Screen diagonal

    Sync 4.0: 1 in smaller diagonal

    Studio X9 HD:
    5 in
    Sync 4.0:
    4 in
  • Chipset

    Studio X9 HD:
    Mediatek MT6580 (28 nm)
    Sync 4.0:
    Mediatek MT6572M (28 nm)
  • Height

    Sync 4.0: 22.6 mm shorter

    Studio X9 HD:
    143 mm
    Sync 4.0:
    120.4 mm
  • Release year

    Studio X9 HD:
    2020
    Sync 4.0:
    2014

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. Studio X9 HD

    Height:
    143 mm +22.6 mm versus Sync 4.0
    Width:
    73 mm +9.4 mm versus Sync 4.0
    Depth:
    10.1 mm
  2. 2. Sync 4.0

    Height:
    120.4 mm
    Width:
    63.6 mm
    Depth:
    9.8 mm

Weight

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

  1. 1. Studio X9 HD

    144 g

    +47 g versus Sync 4.0

  2. 2. Sync 4.0

    97 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.

  1. 1. Studio X9 HD

    Screen diagonal:
    5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    68.9 cm²
  2. 2. Sync 4.0

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

Studio X9 HD has approximately 56.3% 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.

Recorded RAM for Studio X9 HD, Sync 4.0, compared at the same storage capacity.
StorageStudio X9 HDSync 4.0
8 GB 1 GB RAM Unknown
Sync 4.0: Original memory entry

512 MB · 256 MB 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. Studio X9 HD

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSDXC

2. Sync 4.0

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

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. Studio X9 HD

    2000 mAh

    +800 mAh versus Sync 4.0

  2. 2. Sync 4.0

    1200 mAh

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. Studio X9 HD2. Sync 4.0

Everyday essentials
Everyday essentials — specifications for Studio X9 HD, Sync 4.0.
SpecificationStudio X9 HDSync 4.0
Dimensions (HxWxD)
  • 143 Х 73 Х 10.1 mm
  • 120.4 Х 63.6 Х 9.8 mm
Weight
  • 144 g
  • 97 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 5" inch
  • 4" inch
Screen resolution
  • 720 x 1280 px
  • 480 x 854 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 8GB 1GB RAM
  • 512 MB
  • 256 MB RAM
Memory card support
  • microSDXC
  • microSD
  • up to 32 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 2000 mAh
  • Li-Ion
  • 1200 mAh
  • Removable Li-Ion
Operating system OS
  • Android 8.1 Oreo (Go edition)
  • Android 4.4 (KitKat)
Chipset
  • Mediatek MT6580 (28 nm)
  • Mediatek MT6572M (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Studio X9 HD, Sync 4.0.
SpecificationStudio X9 HDSync 4.0
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 68.9 cm2
  • 44.1 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 66.0%
  • 57.6%
PPI /points per inch/
  • 294 PPI
  • 245 PPI
Camera and Video
Camera and Video — specifications for Studio X9 HD, Sync 4.0.
SpecificationStudio X9 HDSync 4.0
Rear camera, main
  • 8 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 8 MP
  • 5 MP
  • AF
Functions
  • LED flash
  • Face detection
Video
  • 720p@30fps
  • 720p@30fps
Front camera, selfie
  • 5 MP
  • Single
  • 1.3 MP
  • Single
Specifications
  • 5 MP
  • 1.3 MP
Performance

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

Performance — specifications for Studio X9 HD, Sync 4.0.
SpecificationStudio X9 HDSync 4.0
Processor CPU
  • Quad-core 1.3 GHz Cortex-A7
  • Dual-core 1.2 GHz Cortex-A7
Graphics processor GPU
  • Mali-400MP2
  • Mali-400
Antutu 7 score * Unknown
  • 5527
General specs
General specs — specifications for Studio X9 HD, Sync 4.0.
SpecificationStudio X9 HDSync 4.0
Release date
  • 2020
  • March 25
  • 2014
  • May
Colors
  • Black
  • White
  • Blue
  • Black
  • White
  • Red
  • Blue
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 50 USD
Unknown
Battery life
  • Stand by time- Up to 500 h (3G) Talking time- Up to 15 h (3G)
  • Stand by time- Up to 760 h Talking time- Up to 14 h
Communication and Connectivity
Communication and Connectivity — specifications for Studio X9 HD, Sync 4.0.
SpecificationStudio X9 HDSync 4.0
SIM card
  • Dual SIM (Nano-SIM
  • dual stand-by)
  • Dual SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Unknown
Speed
  • HSPA 21.1/5.76 Mbps
Unknown
GPRS
  • Yes
  • Class 12
Edge
  • Yes
  • Class 12
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • 4.0
  • A2DP
Music and Audio
Music and Audio — specifications for Studio X9 HD, Sync 4.0.
SpecificationStudio X9 HDSync 4.0
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for Studio X9 HD, Sync 4.0.
SpecificationStudio X9 HDSync 4.0
Dop
  • Sensors Accelerometer For USA
  • Sensors Accelerometer
  • gyro
  • proximity - Also known as Plum Sync 4.0 X400