BLU J2 vs Siemens SX66

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

    J2: 64 g lighter

    J2:
    146 g
    SX66:
    210 g
  • Width

    SX66: 2.1 mm narrower

    J2:
    73.1 mm
    SX66:
    71 mm
  • Screen diagonal

    SX66: 1.5 in smaller diagonal

    J2:
    5 in
    SX66:
    3.5 in
  • Depth

    J2: 7.7 mm thinner

    J2:
    10.3 mm
    SX66:
    18 mm
  • Height

    SX66: 19 mm shorter

    J2:
    144 mm
    SX66:
    125 mm
  • Release year

    J2:
    2019
    SX66:
    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. J2

    Height:
    144 mm +19 mm versus SX66
    Width:
    73.1 mm +2.1 mm versus SX66
    Depth:
    10.3 mm
  2. 2. SX66

    Height:
    125 mm
    Width:
    71 mm
    Depth:
    18 mm +7.7 mm versus J2

Weight

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

  1. 1. J2

    146 g

  2. 2. SX66

    210 g

    +64 g versus J2

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. J2

    Screen diagonal:
    5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    68.9 cm²
  2. 2. SX66

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

J2 has approximately 81.7% more rectangular screen area than SX66.

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 J2, SX66, compared at the same storage capacity.
StorageJ2SX66
32 GB 1 GB RAM Unknown
SX66: Original memory entry

128 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. J2

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

2. SX66

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

Battery capacity

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

At least two unambiguous positive capacity values are needed for a chart. Original entries remain in the specifications.

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. J22. SX66

Everyday essentials
Everyday essentials — specifications for J2, SX66.
SpecificationJ2SX66
Dimensions (HxWxD)
  • 144 Х 73.1 Х 10.3 mm
  • 125 Х 71 Х 18 mm
Weight
  • 146 g
  • 210 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 5" inch
  • 3.5" inch
Screen resolution
  • 480 x 854 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
  • 128 MB RAM
Memory card support
  • microSDXC
  • SDIO/MMC
Battery Capacity is not battery life. No endurance test is implied.
  • 2000 mAh
  • Li-Po
  • 0 mAh,
Operating system OS
  • Android 8.1 Oreo (Go edition)
  • Microsoft Windows Mobile 2003 SE PocketPC
Headphone jack
  • Yes
  • No
Display
Display — specifications for J2, SX66.
SpecificationJ2SX66
Touchscreen
  • capacitive touchscreen
  • resistive touchscreen
Display colors
  • 16M
  • 65K
Screen area
  • 68.9 cm2
  • 37.9 cm2
Screen format
  • 16:9 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 65.4%
  • 42.7%
PPI /points per inch/
  • 196 PPI
  • 114 PPI
Camera and Video
Camera and Video — specifications for J2, SX66.
SpecificationJ2SX66
Rear camera, main
  • 5 MP
  • Single
  • 0 MP,
Camera specs
  • 5 MP
Unknown
Functions
  • LED flash
Unknown
Video
  • 720p@30fps
Unknown
Front camera, selfie
  • 5 MP
  • Single
  • 0 MP,
Specifications
  • 5 MP
Unknown
Performance
Performance — specifications for J2, SX66.
SpecificationJ2SX66
Processor CPU
  • Quad-core 1.3 GHz Cortex-A7
  • Intel Xscale PXA272 520 MHz
Graphics processor GPU
  • Mali-400
Unknown
General specs
General specs — specifications for J2, SX66.
SpecificationJ2SX66
Release date
  • 2019
  • December
  • 2004
  • Q4
Colors
  • Blue
  • Black
  • Brown
  • Silver
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 50 EUR
Unknown
Battery life Unknown
  • Stand by time- Up to 200 h Talking time- Up to 4 h
Communication and Connectivity
Communication and Connectivity — specifications for J2, SX66.
SpecificationJ2SX66
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
  • Wi-Fi 802.11b
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 J2, SX66.
SpecificationJ2SX66
Radio
  • FM radio
  • No
Others Unknown
  • Downloadable logos
Other features
Other features — specifications for J2, SX66.
SpecificationJ2SX66
Dop
  • Sensors Accelerometer For USA
  • Infrared port - Microsoft ActiveSync -MP3/AAC player -Predictive text input