Celkon Q500 Millennium Ultra vs Micromax A25

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

    A25: 47 g lighter

    Q500 Millennium Ultra:
    149 g
    A25:
    102 g
  • Width

    A25: 15.8 mm narrower

    Q500 Millennium Ultra:
    71.8 mm
    A25:
    56 mm
  • Screen diagonal

    A25: 2.2 in smaller diagonal

    Q500 Millennium Ultra:
    5 in
    A25:
    2.8 in
  • Depth

    Q500 Millennium Ultra: 5 mm thinner

    Q500 Millennium Ultra:
    8 mm
    A25:
    13 mm
  • Height

    A25: 41.1 mm shorter

    Q500 Millennium Ultra:
    145.6 mm
    A25:
    104.5 mm
  • Release year

    Q500 Millennium Ultra:
    2014
    A25:
    2012

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. Q500 Millennium Ultra

    Height:
    145.6 mm +41.1 mm versus A25
    Width:
    71.8 mm +15.8 mm versus A25
    Depth:
    8 mm
  2. 2. A25

    Height:
    104.5 mm
    Width:
    56 mm
    Depth:
    13 mm +5 mm versus Q500 Millennium Ultra

Weight

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

  1. 1. Q500 Millennium Ultra

    149 g

    +47 g versus A25

  2. 2. A25

    102 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. Q500 Millennium Ultra

    Screen diagonal:
    5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    68.9 cm²
  2. 2. A25

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

Q500 Millennium Ultra has approximately 183.9% more rectangular screen area than A25.

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 Q500 Millennium Ultra, A25, compared at the same storage capacity.
StorageQ500 Millennium UltraA25
16 GB 2 GB RAM Unknown
A25: Original memory entry

256 MB RAM · 512 MB

Practical features

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

1. Q500 Millennium Ultra

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

2. A25

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

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. Q500 Millennium Ultra

    2500 mAh

    +1220 mAh versus A25

  2. 2. A25

    1280 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. Q500 Millennium Ultra2. A25

Everyday essentials
Everyday essentials — specifications for Q500 Millennium Ultra, A25.
SpecificationQ500 Millennium UltraA25
Dimensions (HxWxD)
  • 145.6 Х 71.8 Х 8 mm
  • 104.5 Х 56 Х 13 mm
Weight
  • 149 g
  • 102 g
Technology
  • IPS LCD
  • TFT
Screen size
  • 5" inch
  • 2.8" inch
Screen resolution
  • 720 x 1280 px
  • 240 x 320 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 16 GB
  • 2 GB RAM
  • 256 MB RAM
  • 512 MB
Memory card support
  • microSD
  • up to 32 GB
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 2500 mAh
  • Li-Ion
  • 1280 mAh
  • Removable Li-Ion
Operating system OS
  • Android 4.4.2 (KitKat)
  • Android 2.3.6 (Gingerbread)
Chipset
  • Broadcom BCM23550
  • Mediatek MT6515
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Q500 Millennium Ultra, A25.
SpecificationQ500 Millennium UltraA25
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors Unknown
  • 256K
Screen area
  • 68.9 cm2
  • 24.3 cm2
Screen format
  • 16:9 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 65.9%
  • 41.5%
PPI /points per inch/
  • 294 PPI
  • 143 PPI
Camera and Video
Camera and Video — specifications for Q500 Millennium Ultra, A25.
SpecificationQ500 Millennium UltraA25
Rear camera, main
  • 8 MP
  • Single
  • 1.3 MP
  • Single
Camera specs
  • 8 MP
  • AF
  • 1.3 MP
Functions
  • LED flash
Unknown
Video
  • Yes
  • Yes
Front camera, selfie
  • 2 MP
  • Single
  • 0 MP,
Specifications
  • 2 MP
Unknown
Performance
Performance — specifications for Q500 Millennium Ultra, A25.
SpecificationQ500 Millennium UltraA25
Processor CPU
  • Quad-core 1.2 GHz
  • 1.0 GHz Cortex-A9
Graphics processor GPU Unknown
  • PowerVR SGX531
General specs
General specs — specifications for Q500 Millennium Ultra, A25.
SpecificationQ500 Millennium UltraA25
Release date
  • 2014
  • 2012
  • October
Colors
  • White
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 120 EUR
  • 50 EUR
Battery life
  • Stand by time- Up to 200 h (3G) Talking time- Up to 5 h (3G)
  • Stand by time- Up to 180 h Talking time- Up to 4 h
Communication and Connectivity
Communication and Connectivity — specifications for Q500 Millennium Ultra, A25.
SpecificationQ500 Millennium UltraA25
SIM card
  • Dual SIM
  • Dual SIM (Mini-SIM)
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
Unknown
Speed
  • HSPA
Unknown
GPRS
  • Yes
  • Class 12
Edge
  • Yes
  • Class 12
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 b/g/n
GPS
  • Yes
  • No
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • 2.1
Music and Audio
Music and Audio — specifications for Q500 Millennium Ultra, A25.
SpecificationQ500 Millennium UltraA25
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for Q500 Millennium Ultra, A25.
SpecificationQ500 Millennium UltraA25
Dop
  • Sensors Accelerometer
  • proximity
  • Sensors Accelerometer