You are using an outdated browser. For a faster, safer browsing experience, upgrade for free today.<

BLU J4 vs BLU Studio 7.0 LTE

Compare recorded specifications, size and practical differences.

BLU J4

BLU J4

Replace J4
Remove J4
+ 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.

  • WeightJ4: 108 g lighterJ4: 158 g · Studio 7.0 LTE: 266 g
  • WidthJ4: 27.5 mm narrowerJ4: 72.3 mm · Studio 7.0 LTE: 99.8 mm
  • Screen diagonalJ4: 1.5 in smaller diagonalJ4: 5.5 in · Studio 7.0 LTE: 7 in
  • DepthStudio 7.0 LTE: 1.5 mm thinnerStudio 7.0 LTE: 8.5 mm · J4: 10 mm
  • HeightJ4: 39 mm shorterJ4: 151 mm · Studio 7.0 LTE: 190 mm
  • Release year2019 / 2015J4: 2019 · Studio 7.0 LTE: 2015

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.

Front
J4: 151 × 72.3 mm 1 Studio 7.0 LTE: 190 × 99.8 mm 2
Side
J4: 151 × 10 mm 1 Studio 7.0 LTE: 190 × 8.5 mm 2
  1. 1. J4
    Height
    151 mm
    Width
    72.3 mm
    Depth
    10 mm+1.5 mm versus Studio 7.0 LTE
    Weight
    158 g
  2. 2. Studio 7.0 LTE
    Height
    190 mm+39 mm versus J4
    Width
    99.8 mm+27.5 mm versus J4
    Depth
    8.5 mm
    Weight
    266 g
Weight

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

  1. 1. J4158 g
  2. 2. Studio 7.0 LTE266 g

    +108 g versus J4

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.

Screen size
J4: 5.5 in, 18:9, About 78.1 cm² rectangular area 1 Studio 7.0 LTE: 7 in, 16:9, About 135.1 cm² rectangular area 2
  1. 1. J4 5.5 in · 18:9 About 78.1 cm² rectangular area
  2. 2. Studio 7.0 LTE 7 in · 16:9 About 135.1 cm² rectangular area

Studio 7.0 LTE has approximately 73% more rectangular screen area than J4.

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 by storage capacity and phone
StorageJ4Studio 7.0 LTE
16 GB Not recorded 1 GB RAM
32 GB 1 GB RAM Not recorded

Practical features

Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

1. J4

NFC
Unknown
Headphone jack
Yes
Memory card support
See details microSDXC

2. Studio 7.0 LTE

NFC
Unknown
Headphone jack
Yes
Memory card support
See details microSD · up to 64 GB

Battery capacity

Capacity is not battery life. No endurance test is implied.

Recorded capacity

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

  1. 1. J42200 mAh
  2. 2. Studio 7.0 LTE3700 mAh

    +1500 mAh versus J4

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. J42. Studio 7.0 LTE

Everyday essentials
Everyday essentials
SpecificationJ4Studio 7.0 LTE
Dimensions (HxWxD)
  • 151 Х 72.3 Х 10 mm
  • 190 Х 99.8 Х 8.5 mm
Weight
  • 158 g
  • 266 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 5.5" inch
  • 7" inch
Screen resolution
  • 720 x 1440 px
  • 720 x 1280 px
Internal memoryRecorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32GB 1GB RAM
  • 16 GB
  • 1 GB RAM
Memory card support
  • microSDXC
  • microSD
  • up to 64 GB
BatteryCapacity is not battery life. No endurance test is implied.
  • 2200 mAh
  • Removable Li-Po
  • 3700 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 8.1 Oreo (Go edition)
  • Android 5.1 (Lollipop)
Chipset Unknown
  • Qualcomm MSM8916 Snapdragon 410 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display
SpecificationJ4Studio 7.0 LTE
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 78.1 cm2
  • 135.1 cm2
Screen format
  • 18:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 71.5%
  • 71.2%
PPI /points per inch/
  • 293 PPI
  • 210 PPI
Camera and Video
Camera and Video
SpecificationJ4Studio 7.0 LTE
Rear camera, main
  • 8 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 8 MP
  • AF
  • 8 MP
  • AF
Functions
  • LED flash
  • LED flash
Video
  • 720p@30fps
  • 1080p@30fps
Front camera, selfie
  • 8 MP
  • Single
  • 2 MP
  • Single
Specifications
  • 8 MP
  • 2 MP
Performance
Performance
SpecificationJ4Studio 7.0 LTE
Processor CPU
  • Quad-core 1.3 GHz Cortex-A7
  • Quad-core 1.2 GHz Cortex-A53
Graphics processor GPU
  • Mali-400
  • Adreno 306
GeekBench 4 Single CoreLegacy recorded score. Test conditions are unspecified; no new testing is implied. Unknown
  • 488
GeekBench 4 Multi-CoreLegacy recorded score. Test conditions are unspecified; no new testing is implied. Unknown
  • 1211
General specs
General specs
SpecificationJ4Studio 7.0 LTE
Release date
  • 2019
  • October
  • 2015
  • October
Colors
  • Blue
  • Black
  • Brown
  • Grey
  • White
  • Gold
  • Blue
Historical recorded priceLegacy catalogue value; date unknown. Not a current offer.
  • 70 EUR
Unknown
Battery life Unknown
  • Stand by time- Up to 200 h Talking time- Up to 12 h
Communication and Connectivity
Communication and Connectivity
SpecificationJ4Studio 7.0 LTE
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
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 1700(AWS) / 1900 / 2100 -4G - LTE band 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 7(2600)
  • 12(700)
  • 17(700)
  • 28(700)
Speed
  • HSPA 21.1/5.76 Mbps
  • HSPA 21.1/5.76 Mbps
  • LTE Cat4 150/50 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
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 4.1
  • A2DP
  • LE
  • 4.0
  • A2DP
Music and Audio
Music and Audio
SpecificationJ4Studio 7.0 LTE
Radio
  • FM radio
  • FM radio
Other features
Other features
SpecificationJ4Studio 7.0 LTE
Dop
  • Sensors Accelerometer For USA
  • Sensors Accelerometer
  • proximity
  • compass