Celkon Campus Prime vs Spice Stellar 509 (Mi-509)

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.

  • Width

    Campus Prime: 12 mm narrower

    Campus Prime:
    67 mm
    Stellar 509 (Mi-509):
    79 mm
  • Screen diagonal

    Campus Prime: 0.5 in smaller diagonal

    Campus Prime:
    4.5 in
    Stellar 509 (Mi-509):
    5 in
  • Chipset

    Campus Prime:
    Spreadtrum SC7715
    Stellar 509 (Mi-509):
    Mediatek MT6582M (28 nm)
  • Height

    Campus Prime: 13 mm shorter

    Campus Prime:
    132 mm
    Stellar 509 (Mi-509):
    145 mm
  • Release year

    Campus Prime:
    2015
    Stellar 509 (Mi-509):
    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. Campus Prime

    Height:
    132 mm
    Width:
    67 mm
    Depth:
    9.3 mm
  2. 2. Stellar 509 (Mi-509)

    Height:
    145 mm +13 mm versus Campus Prime
    Width:
    79 mm +12 mm versus Campus Prime
    Depth:
    9.5 mm

Weight

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

  1. 1. Campus Prime

    119.2 g

  2. 2. Stellar 509 (Mi-509)

    120 g

    +0.8 g versus Campus Prime

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. Campus Prime

    Screen diagonal:
    4.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    55.8 cm²
  2. 2. Stellar 509 (Mi-509)

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

Stellar 509 (Mi-509) has approximately 23.5% more rectangular screen area than Campus Prime.

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 Campus Prime, Stellar 509 (Mi-509), compared at the same storage capacity.
StorageCampus PrimeStellar 509 (Mi-509)
4 GB Unknown 1 GB RAM
Campus Prime: 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. Campus Prime

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

2. Stellar 509 (Mi-509)

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. Campus Prime

    1600 mAh

  2. 2. Stellar 509 (Mi-509)

    2000 mAh

    +400 mAh versus Campus Prime

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. Campus Prime2. Stellar 509 (Mi-509)

Everyday essentials
Everyday essentials — specifications for Campus Prime, Stellar 509 (Mi-509).
SpecificationCampus PrimeStellar 509 (Mi-509)
Dimensions (HxWxD)
  • 132 Х 67 Х 9.3 mm
  • 145 Х 79 Х 9.5 mm
Weight
  • 119.2 g
  • 120 g
Technology Unknown
  • IPS LCD
Screen size
  • 4.5" inch
  • 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
  • 512 MB RAM
  • 4 GB
  • 1 GB RAM
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.
  • 1600 mAh
  • Removable Li-Ion
  • 2000 mAh
  • Li-Ion
Operating system OS
  • Android 4.4.2 (KitKat)
  • Android 4.4.2 (KitKat)
Chipset
  • Spreadtrum SC7715
  • Mediatek MT6582M (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Campus Prime, Stellar 509 (Mi-509).
SpecificationCampus PrimeStellar 509 (Mi-509)
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors Unknown
  • 16M
Screen area
  • 55.8 cm2
  • 68.9 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 63.1%
  • 60.1%
PPI /points per inch/
  • 218 PPI
  • 196 PPI
Camera and Video
Camera and Video — specifications for Campus Prime, Stellar 509 (Mi-509).
SpecificationCampus PrimeStellar 509 (Mi-509)
Rear camera, main
  • 3.15 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 3.15 MP
  • 8 MP
  • AF
Functions
  • LED flash
  • LED flash
  • panorama
  • HDR
Video
  • Yes
  • 720p@30fps
Front camera, selfie
  • 1.3 MP
  • Single
  • 2 MP
  • Single
Specifications
  • 1.3 MP
  • 2 MP
Performance
Performance — specifications for Campus Prime, Stellar 509 (Mi-509).
SpecificationCampus PrimeStellar 509 (Mi-509)
Processor CPU
  • 1.0 GHz
  • Quad-core 1.3 GHz Cortex-A7
Graphics processor GPU Unknown
  • Mali-400MP2
General specs
General specs — specifications for Campus Prime, Stellar 509 (Mi-509).
SpecificationCampus PrimeStellar 509 (Mi-509)
Release date
  • 2015
  • August
  • 2014
  • May
Colors
  • White
  • Black
  • Gold
  • Silver
  • Brown
  • Blue
  • White
Battery life Unknown
  • Stand by time- Up to 170 h Talking time- Up to 4 h 30 min Music play - Up to 30 h
Communication and Connectivity
Communication and Connectivity — specifications for Campus Prime, Stellar 509 (Mi-509).
SpecificationCampus PrimeStellar 509 (Mi-509)
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 21.1/5.76 Mbps
GPRS
  • Yes
  • Class 12
Edge
  • Yes
  • Class 12
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi 802.11 a/b/g/n
  • dual-band
  • hotspot
GPS
  • A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 2.0
  • 3.0
  • A2DP
Harmful irradiation
  • SAR EU - 0.35 W/kg (head) 0.85 W/kg (body)
  • SAR EU - 0.92 W/kg (head)
Music and Audio
Music and Audio — specifications for Campus Prime, Stellar 509 (Mi-509).
SpecificationCampus PrimeStellar 509 (Mi-509)
Radio
  • FM radio
  • FM radio
Other features
Other features — specifications for Campus Prime, Stellar 509 (Mi-509).
SpecificationCampus PrimeStellar 509 (Mi-509)
Dop
  • Sensors Accelerometer
  • Sensors Accelerometer
  • proximity