Celkon Millennia Hero vs T-Mobile Prism

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

    Millennia Hero: 12 g lighter

    Millennia Hero:
    113 g
    Prism:
    125 g
  • Width

    Prism: 3.8 mm narrower

    Millennia Hero:
    64 mm
    Prism:
    60.2 mm
  • Screen diagonal

    Prism: 0.5 in smaller diagonal

    Millennia Hero:
    4 in
    Prism:
    3.5 in
  • Depth

    Millennia Hero: 1.2 mm thinner

    Millennia Hero:
    11 mm
    Prism:
    12.2 mm
  • Height

    Prism: 8.7 mm shorter

    Millennia Hero:
    125 mm
    Prism:
    116.3 mm
  • Release year

    Millennia Hero:
    2015
    Prism:
    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. Millennia Hero

    Height:
    125 mm +8.7 mm versus Prism
    Width:
    64 mm +3.8 mm versus Prism
    Depth:
    11 mm
  2. 2. Prism

    Height:
    116.3 mm
    Width:
    60.2 mm
    Depth:
    12.2 mm +1.2 mm versus Millennia Hero

Weight

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

  1. 1. Millennia Hero

    113 g

  2. 2. Prism

    125 g

    +12 g versus Millennia Hero

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. Millennia Hero

    Screen diagonal:
    4 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    45.5 cm²
  2. 2. Prism

    Screen diagonal:
    3.5 in
    Aspect ratio (height:width):
    3:2
    Approximate rectangular screen area:
    36.5 cm²

Millennia Hero has approximately 24.8% more rectangular screen area than Prism.

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 Millennia Hero, Prism, compared at the same storage capacity.
StorageMillennia HeroPrism
8 GB 1 GB RAM Unknown
Prism: Original memory entry

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. Millennia Hero

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

2. Prism

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. Millennia Hero

    1700 mAh

    +300 mAh versus Prism

  2. 2. Prism

    1400 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. Millennia Hero2. Prism

Everyday essentials
Everyday essentials — specifications for Millennia Hero, Prism.
SpecificationMillennia HeroPrism
Dimensions (HxWxD)
  • 125 Х 64 Х 11 mm
  • 116.3 Х 60.2 Х 12.2 mm
Weight
  • 113 g
  • 125 g
Technology Unknown
  • TFT
Screen size
  • 4" inch
  • 3.5" inch
Screen resolution
  • 480 x 800 px
  • 320 x 480 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 8 GB
  • 1 GB 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.
  • 1700 mAh
  • Li-Ion
  • 1400 mAh
  • Removable Li-Ion
Operating system OS
  • Android 5.1 (Lollipop)
  • Android 2.3.5 (Gingerbread)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Millennia Hero, Prism.
SpecificationMillennia HeroPrism
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors Unknown
  • 256K
Screen area
  • 45.5 cm2
  • 36.5 cm2
Screen format
  • 5:3 (height:width)
  • 3:2 (height:width)
Screen to body ratio
  • 56.9%
  • 52.1%
PPI /points per inch/
  • 233 PPI
  • 165 PPI
Camera and Video
Camera and Video — specifications for Millennia Hero, Prism.
SpecificationMillennia HeroPrism
Rear camera, main
  • 5 MP
  • Single
  • 3.15 MP
  • Single
Camera specs
  • 5 MP
  • 3.15 MP
Functions
  • LED flash
Unknown
Video
  • Yes
  • Yes
Front camera, selfie
  • 3.2 MP
  • Single
  • 0 MP,
Specifications
  • 3.2 MP
Unknown
Performance
Performance — specifications for Millennia Hero, Prism.
SpecificationMillennia HeroPrism
Processor CPU
  • Quad-core 1.2 GHz
  • 600 MHz
General specs
General specs — specifications for Millennia Hero, Prism.
SpecificationMillennia HeroPrism
Release date
  • 2015
  • August
  • 2012
  • May
Colors
  • Black
  • White/Gold
  • White/Silver
  • Black/Gold
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 170 EUR
Battery life Unknown
  • Stand by time- Up to 400 h Talking time- Up to 6 h 30 min
Communication and Connectivity
Communication and Connectivity — specifications for Millennia Hero, Prism.
SpecificationMillennia HeroPrism
SIM card
  • Dual SIM
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed
  • HSPA
  • HSPA
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi 802.11 b/g
  • hotspot
GPS
  • A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 2.0
  • 2.1
  • A2DP
  • EDR
Harmful irradiation
  • SAR EU - 0.34 W/kg (head) 0.76 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for Millennia Hero, Prism.
SpecificationMillennia HeroPrism
Radio
  • FM radio
  • No
Other features
Other features — specifications for Millennia Hero, Prism.
SpecificationMillennia HeroPrism
Dop
  • Sensors Accelerometer
  • Sensors Accelerometer
  • proximity
  • compass - MP3/WAV/eAAC+ player -MP4/H.264 player -Organizer -Document viewer -Voice memo/dial -Predictive text input (Swype)