BLU Studio X9 HD vs Vodafone Smart 4

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

    Studio X9 HD: 8 g lighter

    Studio X9 HD:
    144 g
    Smart 4:
    152 g
  • Width

    Smart 4: 7 mm narrower

    Studio X9 HD:
    73 mm
    Smart 4:
    66 mm
  • Screen diagonal

    Smart 4: 0.5 in smaller diagonal

    Studio X9 HD:
    5 in
    Smart 4:
    4.5 in
  • Chipset

    Studio X9 HD:
    Mediatek MT6580 (28 nm)
    Smart 4:
    Qualcomm MSM8210 Snapdragon 200 (28 nm)
  • Depth

    Studio X9 HD: 0.5 mm thinner

    Studio X9 HD:
    10.1 mm
    Smart 4:
    10.6 mm
  • Height

    Smart 4: 8.3 mm shorter

    Studio X9 HD:
    143 mm
    Smart 4:
    134.7 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. Studio X9 HD

    Height:
    143 mm +8.3 mm versus Smart 4
    Width:
    73 mm +7 mm versus Smart 4
    Depth:
    10.1 mm
  2. 2. Smart 4

    Height:
    134.7 mm
    Width:
    66 mm
    Depth:
    10.6 mm +0.5 mm versus Studio X9 HD

Weight

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

  1. 1. Studio X9 HD

    144 g

  2. 2. Smart 4

    152 g

    +8 g versus Studio X9 HD

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. Smart 4

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

Studio X9 HD has approximately 23.5% more rectangular screen area than Smart 4.

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, Smart 4, compared at the same storage capacity.
StorageStudio X9 HDSmart 4
8 GB 1 GB RAM Unknown
Smart 4: Original memory entry

4 GB · 512 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. Smart 4

NFC:
See details Yes (optional)
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB (dedicated 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. Studio X9 HD

    2000 mAh

    +120 mAh versus Smart 4

  2. 2. Smart 4

    1880 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. Smart 4

Everyday essentials
Everyday essentials — specifications for Studio X9 HD, Smart 4.
SpecificationStudio X9 HDSmart 4
Dimensions (HxWxD)
  • 143 Х 73 Х 10.1 mm
  • 134.7 Х 66 Х 10.6 mm
Weight
  • 144 g
  • 152 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 5" inch
  • 4.5" 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
  • 4 GB
  • 512 MB RAM
Memory card support
  • microSDXC
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 2000 mAh
  • Li-Ion
  • 1880 mAh
  • Removable Li-Ion
Operating system OS
  • Android 8.1 Oreo (Go edition)
  • Android 4.4.2 (KitKat)
Chipset
  • Mediatek MT6580 (28 nm)
  • Qualcomm MSM8210 Snapdragon 200 (28 nm)
NFC Unknown
  • Yes (optional)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Studio X9 HD, Smart 4.
SpecificationStudio X9 HDSmart 4
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
Unknown
Screen area
  • 68.9 cm2
  • 55.8 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 66.0%
  • 62.8%
PPI /points per inch/
  • 294 PPI
  • 218 PPI
Camera and Video
Camera and Video — specifications for Studio X9 HD, Smart 4.
SpecificationStudio X9 HDSmart 4
Rear camera, main
  • 8 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 8 MP
  • 5 MP
Functions
  • LED flash
  • LED flash
Video
  • 720p@30fps
  • Yes
Front camera, selfie
  • 5 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • 5 MP
Unknown
Performance

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

Performance — specifications for Studio X9 HD, Smart 4.
SpecificationStudio X9 HDSmart 4
Processor CPU
  • Quad-core 1.3 GHz Cortex-A7
  • Dual-core 1.2 GHz Cortex-A7
Graphics processor GPU
  • Mali-400MP2
  • Adreno 302
Antutu 7 score * Unknown
  • 8302
General specs
General specs — specifications for Studio X9 HD, Smart 4.
SpecificationStudio X9 HDSmart 4
Release date
  • 2020
  • March 25
  • 2014
  • May
Colors
  • Black
  • White
  • Blue
  • Black
  • White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 50 USD
  • 90 EUR
Battery life
  • Stand by time- Up to 500 h (3G) Talking time- Up to 15 h (3G)
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Studio X9 HD, Smart 4.
SpecificationStudio X9 HDSmart 4
SIM card
  • Dual SIM (Nano-SIM
  • dual stand-by)
  • Micro-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
  • Show all network frequencies: -2G - GSM 900 / 1800 / 1900
Speed
  • HSPA 21.1/5.76 Mbps
  • HSPA
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
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
Harmful irradiation Unknown
  • SAR - 1.22 W/kg (head) 0.82 W/kg (body)
Music and Audio
Music and Audio — specifications for Studio X9 HD, Smart 4.
SpecificationStudio X9 HDSmart 4
Radio
  • FM radio
  • FM radio
Others Unknown
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Studio X9 HD, Smart 4.
SpecificationStudio X9 HDSmart 4
Dop
  • Sensors Accelerometer For USA
  • Sensors Accelerometer
  • proximity