Celkon Millennia Hero vs i-mate SP4m

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

    SP4m: 13 g lighter

    Millennia Hero:
    113 g
    SP4m:
    100 g
  • Width

    SP4m: 16 mm narrower

    Millennia Hero:
    64 mm
    SP4m:
    48 mm
  • Screen diagonal

    SP4m: 1.8 in smaller diagonal

    Millennia Hero:
    4 in
    SP4m:
    2.2 in
  • Depth

    Millennia Hero: 8 mm thinner

    Millennia Hero:
    11 mm
    SP4m:
    19 mm
  • Height

    SP4m: 16 mm shorter

    Millennia Hero:
    125 mm
    SP4m:
    109 mm
  • Release year

    Millennia Hero:
    2015
    SP4m:
    2005

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 +16 mm versus SP4m
    Width:
    64 mm +16 mm versus SP4m
    Depth:
    11 mm
  2. 2. SP4m

    Height:
    109 mm
    Width:
    48 mm
    Depth:
    19 mm +8 mm versus Millennia Hero

Weight

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

  1. 1. Millennia Hero

    113 g

    +13 g versus SP4m

  2. 2. SP4m

    100 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. Millennia Hero

    Screen diagonal:
    4 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    45.5 cm²
  2. 2. SP4m

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

Millennia Hero has approximately 203.8% more rectangular screen area than SP4m.

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, SP4m, compared at the same storage capacity.
StorageMillennia HeroSP4m
8 GB 1 GB RAM Unknown
SP4m: Original memory entry

64 MB RAM · 64 MB ROM

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. SP4m

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details miniSD

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

    +550 mAh versus SP4m

  2. 2. SP4m

    1150 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. SP4m

Everyday essentials
Everyday essentials — specifications for Millennia Hero, SP4m.
SpecificationMillennia HeroSP4m
Dimensions (HxWxD)
  • 125 Х 64 Х 11 mm
  • 109 Х 48 Х 19 mm
Weight
  • 113 g
  • 100 g
Technology Unknown
  • TFT
Screen size
  • 4" inch
  • 2.2" inch
Screen resolution
  • 480 x 800 px
  • 240 x 320 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 8 GB
  • 1 GB RAM
  • 64 MB RAM
  • 64 MB ROM
Memory card support
  • microSD
  • up to 32 GB
  • miniSD
Battery Capacity is not battery life. No endurance test is implied.
  • 1700 mAh
  • Li-Ion
  • 1150 mAh
  • Removable Li-Po
Operating system OS
  • Android 5.1 (Lollipop)
  • Microsoft Windows Mobile 5.0 Smartphone
Chipset Unknown
  • TI OMAP 850
Headphone jack
  • Yes
  • No
Display
Display — specifications for Millennia Hero, SP4m.
SpecificationMillennia HeroSP4m
Touchscreen
  • capacitive touchscreen
Unknown
Display colors Unknown
  • 65K
Screen area
  • 45.5 cm2
  • 15.0 cm2
Screen format
  • 5:3 (height:width)
  • 4:3 (height:width)
Screen to body ratio
  • 56.9%
  • 28.6%
PPI /points per inch/
  • 233 PPI
  • 182 PPI
Camera and Video
Camera and Video — specifications for Millennia Hero, SP4m.
SpecificationMillennia HeroSP4m
Rear camera, main
  • 5 MP
  • Single
  • 1.3 MP
  • Single
Camera specs
  • 5 MP
  • 1.3 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, SP4m.
SpecificationMillennia HeroSP4m
Processor CPU
  • Quad-core 1.2 GHz
  • 200 MHz ARM926EJ-S
General specs
General specs — specifications for Millennia Hero, SP4m.
SpecificationMillennia HeroSP4m
Release date
  • 2015
  • August
  • 2005
  • September
Colors
  • Black
  • White/Gold
  • White/Silver
  • Black/Gold
  • Silver
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 130 EUR
Battery life Unknown
  • Stand by time- Up to 150 h Talking time- Up to 3 h
Communication and Connectivity
Communication and Connectivity — specifications for Millennia Hero, SP4m.
SpecificationMillennia HeroSP4m
SIM card
  • Dual SIM
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
Unknown
Speed
  • HSPA
Unknown
GPRS
  • Yes
  • Class 10
Edge
  • Yes
  • No
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • No
GPS
  • A-GPS
  • No
USB
  • microUSB 2.0
  • miniUSB
Bluetooth
  • 2.0
  • 1.2
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, SP4m.
SpecificationMillennia HeroSP4m
Radio
  • FM radio
  • No
Other features
Other features — specifications for Millennia Hero, SP4m.
SpecificationMillennia HeroSP4m
Dop
  • Sensors Accelerometer
  • Infrared port - Microsoft ActiveSync -MP3/AAC player -Predictive text input - Produced by HTC. Functionally identical to O2 XDA phone.