BLU J4 vs i-mate Pocket PC

Compare recorded specifications, size and practical differences.

+ 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.

  • Weight

    J4: 32 g lighter

    J4:
    158 g
    Pocket PC:
    190 g
  • Width

    Pocket PC: 2.3 mm narrower

    J4:
    72.3 mm
    Pocket PC:
    70 mm
  • Screen diagonal

    Pocket PC: 2 in smaller diagonal

    J4:
    5.5 in
    Pocket PC:
    3.5 in
  • Depth

    J4: 8 mm thinner

    J4:
    10 mm
    Pocket PC:
    18 mm
  • Height

    Pocket PC: 21 mm shorter

    J4:
    151 mm
    Pocket PC:
    130 mm
  • Release year

    J4:
    2019
    Pocket PC:
    2004

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. J4

    Height:
    151 mm +21 mm versus Pocket PC
    Width:
    72.3 mm +2.3 mm versus Pocket PC
    Depth:
    10 mm
  2. 2. Pocket PC

    Height:
    130 mm
    Width:
    70 mm
    Depth:
    18 mm +8 mm versus J4

Weight

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

  1. 1. J4

    158 g

  2. 2. Pocket PC

    190 g

    +32 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.

  1. 1. J4

    Screen diagonal:
    5.5 in
    Aspect ratio (height:width):
    18:9
    Approximate rectangular screen area:
    78.1 cm²
  2. 2. Pocket PC

    Screen diagonal:
    3.5 in
    Aspect ratio (height:width):
    4:3
    Approximate rectangular screen area:
    37.9 cm²

J4 has approximately 105.8% more rectangular screen area than Pocket PC.

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 J4, Pocket PC, compared at the same storage capacity.
StorageJ4Pocket PC
32 GB 1 GB RAM Unknown
Pocket PC: Original memory entry

64 MB RAM (128 MB optional)

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. Pocket PC

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details SDIO/MMC

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. J4

    2200 mAh

    +1000 mAh versus Pocket PC

  2. 2. Pocket PC

    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. J42. Pocket PC

Everyday essentials
Everyday essentials — specifications for J4, Pocket PC.
SpecificationJ4Pocket PC
Dimensions (HxWxD)
  • 151 Х 72.3 Х 10 mm
  • 130 Х 70 Х 18 mm
Weight
  • 158 g
  • 190 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 5.5" inch
  • 3.5" inch
Screen resolution
  • 720 x 1440 px
  • 240 x 320 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32GB 1GB RAM
  • 64 MB RAM (128 MB optional)
Memory card support
  • microSDXC
  • SDIO/MMC
Battery Capacity is not battery life. No endurance test is implied.
  • 2200 mAh
  • Removable Li-Po
  • 1200 mAh
  • Removable Li-Ion
Operating system OS
  • Android 8.1 Oreo (Go edition)
  • Microsoft Windows Mobile 2003 PocketPC
Headphone jack
  • Yes
  • No
Display
Display — specifications for J4, Pocket PC.
SpecificationJ4Pocket PC
Touchscreen
  • capacitive touchscreen
  • resistive touchscreen
Display colors
  • 16M
  • 65K
Screen area
  • 78.1 cm2
  • 37.9 cm2
Screen format
  • 18:9 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 71.5%
  • 41.7%
PPI /points per inch/
  • 293 PPI
  • 114 PPI
Camera and Video
Camera and Video — specifications for J4, Pocket PC.
SpecificationJ4Pocket PC
Rear camera, main
  • 8 MP
  • Single
  • 0.3 MP
  • Single
Camera specs
  • 8 MP
  • AF
Unknown
Functions
  • LED flash
Unknown
Video
  • 720p@30fps
  • Yes
Front camera, selfie
  • 8 MP
  • Single
  • 0 MP,
Specifications
  • 8 MP
Unknown
Performance
Performance — specifications for J4, Pocket PC.
SpecificationJ4Pocket PC
Processor CPU
  • Quad-core 1.3 GHz Cortex-A7
  • Intel PXA263 400 MHz
Graphics processor GPU
  • Mali-400
Unknown
General specs
General specs — specifications for J4, Pocket PC.
SpecificationJ4Pocket PC
Release date
  • 2019
  • October
  • 2004
  • Q2
Colors
  • Blue
  • Black
  • Brown
  • Silver
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 70 EUR
Unknown
Battery life Unknown
  • Stand by time- Up to 160 h Talking time- Up to 3 h 30 min
Communication and Connectivity
Communication and Connectivity — specifications for J4, Pocket PC.
SpecificationJ4Pocket PC
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
Unknown
Speed
  • HSPA 21.1/5.76 Mbps
Unknown
GPRS
  • Yes
  • Class 10
Edge
  • Yes
  • No
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
  • No
GPS
  • Yes
  • with A-GPS
  • No
USB
  • microUSB 2.0
  • Proprietary
Bluetooth
  • 4.1
  • A2DP
  • LE
  • Yes
Music and Audio
Music and Audio — specifications for J4, Pocket PC.
SpecificationJ4Pocket PC
Radio
  • FM radio
  • No
Others Unknown
  • 5-way navigation button -Downloadable logos
Other features
Other features — specifications for J4, Pocket PC.
SpecificationJ4Pocket PC
Dop
  • Sensors Accelerometer For USA
  • Infrared port - Microsoft ActiveSync -MP3 player -Predictive text input - Produced by HTC. Functionally identical to Qtek 2020
  • O2 XDA II
  • T-Mobile MDA II and Orange SPV M1000.