BLU Win JR LTE vs Celkon A66

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

    A66: 40 g lighter

    Win JR LTE:
    138 g
    A66:
    98 g
  • Depth

    Win JR LTE: 1.5 mm thinner

    Win JR LTE:
    9.5 mm
    A66:
    11 mm
  • Height

    Win JR LTE: 3 mm shorter

    Win JR LTE:
    133 mm
    A66:
    136 mm
  • Release year

    Win JR LTE:
    2015
    A66:
    2014

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. Win JR LTE

    Height:
    133 mm
    Width:
    67.5 mm
    Depth:
    9.5 mm
  2. 2. A66

    Height:
    136 mm +3 mm versus Win JR LTE
    Width:
    67.2 mm
    Depth:
    11 mm +1.5 mm versus Win JR LTE

Weight

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

  1. 1. Win JR LTE

    138 g

    +40 g versus A66

  2. 2. A66

    98 g

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. Win JR LTE

    Screen diagonal:
    4.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    55.8 cm²
  2. 2. A66

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

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.

No unambiguous storage/RAM pairings are recorded. See the original specifications below.

Win JR LTE: Original memory entry

4 GB ROM · 512 MB RAM

A66: 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. Win JR LTE

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB

2. A66

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB

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. Win JR LTE

    2000 mAh

  2. 2. A66

    2000 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. Win JR LTE2. A66

Everyday essentials
Everyday essentials — specifications for Win JR LTE, A66.
SpecificationWin JR LTEA66
Dimensions (HxWxD)
  • 133 Х 67.5 Х 9.5 mm
  • 136 Х 67.2 Х 11 mm
Weight
  • 138 g
  • 98 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 4.5" inch
  • 4.5" inch
Screen resolution
  • 480 x 854 px
  • 480 x 854 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 4 GB ROM
  • 512 MB RAM
  • 4 GB
  • 512 MB RAM
Memory card support
  • microSD
  • up to 32 GB
  • microSD
  • up to 32 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 2000 mAh
  • Non-removable Li-Po
  • 2000 mAh
  • Li-Ion
Operating system OS
  • Microsoft Windows Phone 8.1
  • upgradable to Windows 10
  • Android 4.1.2 (Jelly Bean)
Chipset
  • Qualcomm MSM8916 Snapdragon 410 (28 nm)
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Win JR LTE, A66.
SpecificationWin JR LTEA66
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
Unknown
Screen area
  • 55.8 cm2
  • 55.8 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 62.2%
  • 61.1%
PPI /points per inch/
  • 218 PPI
  • 218 PPI
Camera and Video
Camera and Video — specifications for Win JR LTE, A66.
SpecificationWin JR LTEA66
Rear camera, main
  • 5 MP
  • Single
  • 3.15 MP
  • Single
Camera specs
  • 5 MP
  • AF
  • 3.15 MP
Functions
  • LED flash
  • LED flash
Video
  • 720p@30fps
  • Yes
Front camera, selfie
  • 0.3 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • VGA
  • VGA
Performance
Performance — specifications for Win JR LTE, A66.
SpecificationWin JR LTEA66
Processor CPU
  • Quad-core 1.2 GHz Cortex-A53
  • Dual-core 1.2 GHz
Graphics processor GPU
  • Adreno 306
Unknown
General specs
General specs — specifications for Win JR LTE, A66.
SpecificationWin JR LTEA66
Release date
  • 2015
  • April
  • 2014
Colors
  • Grey
  • White
  • Orange
  • Yellow
  • Pink
  • White
  • Black
Battery life
  • Stand by time- Up to 725 h (2G) / Up to 725 h (3G) Talking time- Up to 22 h (2G) / Up to 16 h (3G)
  • Stand by time- Up to 160 h Talking time- Up to 5 h
Communication and Connectivity
Communication and Connectivity — specifications for Win JR LTE, A66.
SpecificationWin JR LTEA66
SIM card
  • Dual SIM (Micro-SIM
  • dual stand-by)
  • Dual SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 1700 / 1900 / 2100 -4G - LTE band 4(1700/2100)
  • 7(2600)
  • 17(700) - X130Q
Unknown
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps
Unknown
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
USB
  • microUSB 2.0
  • microUSB
Bluetooth
  • 4.0
  • A2DP
  • 2.0
Harmful irradiation Unknown
  • SAR EU - 0.38 W/kg (head) 0.47 W/kg (body)
Music and Audio
Music and Audio — specifications for Win JR LTE, A66.
SpecificationWin JR LTEA66
Radio
  • Stereo FM radio
  • FM radio
Other features
Other features — specifications for Win JR LTE, A66.
SpecificationWin JR LTEA66
Dop
  • Sensors Accelerometer
  • gyro
  • proximity
  • Sensors Accelerometer
  • proximity