BLU J2 vs Celkon Q500 Millennium Ultra

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.

  • Width

    Q500 Millennium Ultra: 1.3 mm narrower

    J2:
    73.1 mm
    Q500 Millennium Ultra:
    71.8 mm
  • Depth

    Q500 Millennium Ultra: 2.3 mm thinner

    J2:
    10.3 mm
    Q500 Millennium Ultra:
    8 mm
  • Release year

    J2:
    2019
    Q500 Millennium Ultra:
    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. J2

    Height:
    144 mm
    Width:
    73.1 mm +1.3 mm versus Q500 Millennium Ultra
    Depth:
    10.3 mm +2.3 mm versus Q500 Millennium Ultra
  2. 2. Q500 Millennium Ultra

    Height:
    145.6 mm
    Width:
    71.8 mm
    Depth:
    8 mm

Weight

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

  1. 1. J2

    146 g

  2. 2. Q500 Millennium Ultra

    149 g

    +3 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. Q500 Millennium Ultra

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

Recorded RAM for J2, Q500 Millennium Ultra, compared at the same storage capacity.
StorageJ2Q500 Millennium Ultra
16 GB Not recorded 2 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. J2

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

2. Q500 Millennium Ultra

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. J2

    2000 mAh

  2. 2. Q500 Millennium Ultra

    2500 mAh

    +500 mAh versus J2

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. Q500 Millennium Ultra

Everyday essentials
Everyday essentials — specifications for J2, Q500 Millennium Ultra.
SpecificationJ2Q500 Millennium Ultra
Dimensions (HxWxD)
  • 144 Х 73.1 Х 10.3 mm
  • 145.6 Х 71.8 Х 8 mm
Weight
  • 146 g
  • 149 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 5" inch
  • 5" inch
Screen resolution
  • 480 x 854 px
  • 720 x 1280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32GB 1GB RAM
  • 16 GB
  • 2 GB RAM
Memory card support
  • microSDXC
  • microSD
  • up to 32 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 2000 mAh
  • Li-Po
  • 2500 mAh
  • Li-Ion
Operating system OS
  • Android 8.1 Oreo (Go edition)
  • Android 4.4.2 (KitKat)
Chipset Unknown
  • Broadcom BCM23550
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for J2, Q500 Millennium Ultra.
SpecificationJ2Q500 Millennium Ultra
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
Unknown
Screen area
  • 68.9 cm2
  • 68.9 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 65.4%
  • 65.9%
PPI /points per inch/
  • 196 PPI
  • 294 PPI
Camera and Video
Camera and Video — specifications for J2, Q500 Millennium Ultra.
SpecificationJ2Q500 Millennium Ultra
Rear camera, main
  • 5 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 5 MP
  • 8 MP
  • AF
Functions
  • LED flash
  • LED flash
Video
  • 720p@30fps
  • Yes
Front camera, selfie
  • 5 MP
  • Single
  • 2 MP
  • Single
Specifications
  • 5 MP
  • 2 MP
Performance
Performance — specifications for J2, Q500 Millennium Ultra.
SpecificationJ2Q500 Millennium Ultra
Processor CPU
  • Quad-core 1.3 GHz Cortex-A7
  • Quad-core 1.2 GHz
Graphics processor GPU
  • Mali-400
Unknown
General specs
General specs — specifications for J2, Q500 Millennium Ultra.
SpecificationJ2Q500 Millennium Ultra
Release date
  • 2019
  • December
  • 2014
Colors
  • Blue
  • Black
  • Brown
  • White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 50 EUR
  • 120 EUR
Battery life Unknown
  • Stand by time- Up to 200 h (3G) Talking time- Up to 5 h (3G)
Communication and Connectivity
Communication and Connectivity — specifications for J2, Q500 Millennium Ultra.
SpecificationJ2Q500 Millennium Ultra
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 900 / 1800 - SIM 1 & SIM 2
Speed
  • HSPA 21.1/5.76 Mbps
  • HSPA
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
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 4.1
  • A2DP
  • LE
  • 4.0
  • A2DP
Music and Audio
Music and Audio — specifications for J2, Q500 Millennium Ultra.
SpecificationJ2Q500 Millennium Ultra
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for J2, Q500 Millennium Ultra.
SpecificationJ2Q500 Millennium Ultra
Dop
  • Sensors Accelerometer For USA
  • Sensors Accelerometer
  • proximity