BLU Studio X9 HD vs ZTE Open

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.

  • Width

    Open: 11 mm narrower

    Studio X9 HD:
    73 mm
    Open:
    62 mm
  • Screen diagonal

    Open: 1.5 in smaller diagonal

    Studio X9 HD:
    5 in
    Open:
    3.5 in
  • Chipset

    Studio X9 HD:
    Mediatek MT6580 (28 nm)
    Open:
    Qualcomm MSM7225A Snapdragon S1
  • Depth

    Studio X9 HD: 2.4 mm thinner

    Studio X9 HD:
    10.1 mm
    Open:
    12.5 mm
  • Height

    Open: 29 mm shorter

    Studio X9 HD:
    143 mm
    Open:
    114 mm
  • Release year

    Studio X9 HD:
    2020
    Open:
    2013

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 +29 mm versus Open
    Width:
    73 mm +11 mm versus Open
    Depth:
    10.1 mm
    Weight:
    144 g
  2. 2. Open

    Height:
    114 mm
    Width:
    62 mm
    Depth:
    12.5 mm +2.4 mm versus Studio X9 HD
    Weight:
    Unknown

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. Open

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

Studio X9 HD has approximately 88.9% more rectangular screen area than Open.

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, Open, compared at the same storage capacity.
StorageStudio X9 HDOpen
8 GB 1 GB RAM Unknown
Open: Original memory entry

512 MB ROM · 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. Open

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB (dedicated slot) · 2 GB included

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 Open

  2. 2. Open

    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. Open

Everyday essentials
Everyday essentials — specifications for Studio X9 HD, Open.
SpecificationStudio X9 HDOpen
Dimensions (HxWxD)
  • 143 Х 73 Х 10.1 mm
  • 114 Х 62 Х 12.5 mm
Weight
  • 144 g
  • 0 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 5" inch
  • 3.5" inch
Screen resolution
  • 720 x 1280 px
  • 320 x 480 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 8GB 1GB RAM
  • 512 MB ROM
  • 256 MB RAM
Memory card support
  • microSDXC
  • microSD
  • up to 32 GB (dedicated slot)
  • 2 GB included
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)
  • Firefox OS 1.0
Chipset
  • Mediatek MT6580 (28 nm)
  • Qualcomm MSM7225A Snapdragon S1
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Studio X9 HD, Open.
SpecificationStudio X9 HDOpen
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
Unknown
Screen area
  • 68.9 cm2
  • 36.5 cm2
Screen format
  • 16:9 (height:width)
  • 3:2 (height:width)
Screen to body ratio
  • 66.0%
  • 51.6%
PPI /points per inch/
  • 294 PPI
  • 165 PPI
Camera and Video
Camera and Video — specifications for Studio X9 HD, Open.
SpecificationStudio X9 HDOpen
Rear camera, main
  • 8 MP
  • Single
  • 3.15 MP
  • Single
Camera specs
  • 8 MP
  • 3.15 MP
Functions
  • LED flash
Unknown
Video
  • 720p@30fps
  • Yes
Front camera, selfie
  • 5 MP
  • Single
  • 0 MP,
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, Open.
SpecificationStudio X9 HDOpen
Processor CPU
  • Quad-core 1.3 GHz Cortex-A7
  • 1.0 GHz Cortex-A5
Graphics processor GPU
  • Mali-400MP2
  • Adreno 200
Antutu 7 score * Unknown
  • 1456
General specs
General specs — specifications for Studio X9 HD, Open.
SpecificationStudio X9 HDOpen
Release date
  • 2020
  • March 25
  • 2013
  • February
Colors
  • Black
  • White
  • Blue
  • Blue
  • Orange
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)
Unknown
Communication and Connectivity
Communication and Connectivity — specifications for Studio X9 HD, Open.
SpecificationStudio X9 HDOpen
SIM card
  • Dual SIM (Nano-SIM
  • dual stand-by)
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed
  • HSPA 21.1/5.76 Mbps
  • HSPA 7.2/5.76 Mbps
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
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • 2.1
  • A2DP
  • EDR
Music and Audio
Music and Audio — specifications for Studio X9 HD, Open.
SpecificationStudio X9 HDOpen
Radio
  • FM radio
  • Stereo FM radio
Other features
Other features — specifications for Studio X9 HD, Open.
SpecificationStudio X9 HDOpen
Dop
  • Sensors Accelerometer For USA
  • Sensors Accelerometer
  • proximity - MP3/eAAC+/WAV/WMA player -MP4/H.264/WMV player -Document viewer -Photo viewer -Organizer -Voice memo/dial -Predictive text input