A1 Alpha 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.

  • Weight

    Stellar 509 (Mi-509): 30 g lighter

    Alpha:
    150 g
    Stellar 509 (Mi-509):
    120 g
  • Width

    Alpha: 3.2 mm narrower

    Alpha:
    75.8 mm
    Stellar 509 (Mi-509):
    79 mm
  • Screen diagonal

    Stellar 509 (Mi-509): 1.26 in smaller diagonal

    Alpha:
    6.26 in
    Stellar 509 (Mi-509):
    5 in
  • Chipset

    Alpha:
    Unisoc SC9863A (28nm)
    Stellar 509 (Mi-509):
    Mediatek MT6582M (28 nm)
  • Rear camera layout

    Alpha:
    Dual
    Stellar 509 (Mi-509):
    Single
  • Depth

    Alpha: 1.4 mm thinner

    Alpha:
    8.1 mm
    Stellar 509 (Mi-509):
    9.5 mm

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. Alpha

    Height:
    151.7 mm +6.7 mm versus Stellar 509 (Mi-509)
    Width:
    75.8 mm
    Depth:
    8.1 mm
  2. 2. Stellar 509 (Mi-509)

    Height:
    145 mm
    Width:
    79 mm +3.2 mm versus Alpha
    Depth:
    9.5 mm +1.4 mm versus Alpha

Weight

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

  1. 1. Alpha

    150 g

    +30 g versus Stellar 509 (Mi-509)

  2. 2. Stellar 509 (Mi-509)

    120 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. Alpha

    Screen diagonal:
    6.26 in
    Aspect ratio (height:width):
    19:9
    Approximate rectangular screen area:
    97.8 cm²
  2. 2. Stellar 509 (Mi-509)

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

Alpha has approximately 41.9% more rectangular screen area than Stellar 509 (Mi-509).

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 Alpha, Stellar 509 (Mi-509), compared at the same storage capacity.
StorageAlphaStellar 509 (Mi-509)
4 GB Not recorded 1 GB RAM
32 GB 2 GB RAM Not recorded
64 GB 3 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. Alpha

NFC:
See details Yes (64/3GB model only)
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (uses shared SIM slot)

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. Alpha

    3200 mAh

    +1200 mAh versus Stellar 509 (Mi-509)

  2. 2. Stellar 509 (Mi-509)

    2000 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. Alpha2. Stellar 509 (Mi-509)

Everyday essentials
Everyday essentials — specifications for Alpha, Stellar 509 (Mi-509).
SpecificationAlphaStellar 509 (Mi-509)
Dimensions (HxWxD)
  • 151.7 Х 75.8 Х 8.1 mm
  • 145 Х 79 Х 9.5 mm
Weight
  • 150 g
  • 120 g
Technology
  • IPS LCD
  • IPS LCD
Screen size
  • 6.26" inch
  • 5" inch
Screen resolution
  • 720 x 1520 px
  • 480 x 854 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 32GB 2GB RAM
  • 64GB 3GB RAM
  • 4 GB
  • 1 GB RAM
Memory card support
  • microSD
  • up to 256 GB (uses shared SIM slot)
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 3200 mAh
  • Non-removable Li-Ion
  • 2000 mAh
  • Li-Ion
Operating system OS
  • Android 9.0 (Pie)
  • Android 4.4.2 (KitKat)
Chipset
  • Unisoc SC9863A (28nm)
  • Mediatek MT6582M (28 nm)
NFC
  • Yes (64/3GB model only)
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Alpha, Stellar 509 (Mi-509).
SpecificationAlphaStellar 509 (Mi-509)
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 97.8 cm2
  • 68.9 cm2
Screen format
  • 19:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 82.1%
  • 60.1%
PPI /points per inch/
  • 269 PPI
  • 196 PPI
Camera and Video
Camera and Video — specifications for Alpha, Stellar 509 (Mi-509).
SpecificationAlphaStellar 509 (Mi-509)
Rear camera, main
  • 13 MP
  • Dual
  • 8 MP
  • Single
Camera specs
  • 13 MP
  • f/2.0
  • AF -2 MP
  • f/2.4
  • depth sensor
  • 8 MP
  • AF
Functions
  • LED flash
  • HDR
  • LED flash
  • panorama
  • HDR
Video
  • 1080p@30fps
  • 720p@30fps
Front camera, selfie
  • 8 MP
  • Single
  • 2 MP
  • Single
Specifications
  • 8 MP
  • f/2.0
  • 2 MP
Performance
Performance — specifications for Alpha, Stellar 509 (Mi-509).
SpecificationAlphaStellar 509 (Mi-509)
Processor CPU
  • Octa-core (4x1.6 GHz Cortex-A55 & 4x1.2 GHz Cortex-A55)
  • Quad-core 1.3 GHz Cortex-A7
Graphics processor GPU
  • IMG8322
  • Mali-400MP2
General specs
General specs — specifications for Alpha, Stellar 509 (Mi-509).
SpecificationAlphaStellar 509 (Mi-509)
Release date
  • 2019
  • August
  • 2014
  • May
Colors
  • Black
  • Green
  • White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 150 EUR
Unknown
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 Alpha, Stellar 509 (Mi-509).
SpecificationAlphaStellar 509 (Mi-509)
SIM card
  • Hybrid Dual SIM (Nano-SIM
  • dual stand-by)
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100)
  • 3(1800)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 20(800)
  • 38(2600)
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps
  • 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 Direct
  • hotspot
  • Wi-Fi 802.11 a/b/g/n
  • dual-band
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • USB On-The-Go
  • microUSB 2.0
Bluetooth
  • 4.2
  • A2DP
  • LE
  • 3.0
  • A2DP
Harmful irradiation Unknown
  • SAR EU - 0.92 W/kg (head)
Music and Audio
Music and Audio — specifications for Alpha, Stellar 509 (Mi-509).
SpecificationAlphaStellar 509 (Mi-509)
Radio
  • FM radio
  • FM radio
Others
  • Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for Alpha, Stellar 509 (Mi-509).
SpecificationAlphaStellar 509 (Mi-509)
Dop
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass
  • Sensors Accelerometer
  • proximity