Spice Mi-506 Stellar Mettle Icon vs Yezz Billy 4

Compare recorded specifications, size and practical differences.

+ Add a third phone

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

    Billy 4: 68 g lighter

    Mi-506 Stellar Mettle Icon:
    177 g
    Billy 4:
    109 g
  • Width

    Billy 4: 8.5 mm narrower

    Mi-506 Stellar Mettle Icon:
    72.9 mm
    Billy 4:
    64.4 mm
  • Screen diagonal

    Billy 4: 1 in smaller diagonal

    Mi-506 Stellar Mettle Icon:
    5 in
    Billy 4:
    4 in
  • Height

    Billy 4: 22.5 mm shorter

    Mi-506 Stellar Mettle Icon:
    145 mm
    Billy 4:
    122.5 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. Mi-506 Stellar Mettle Icon

    Height:
    145 mm +22.5 mm versus Billy 4
    Width:
    72.9 mm +8.5 mm versus Billy 4
    Depth:
    9.6 mm
  2. 2. Billy 4

    Height:
    122.5 mm
    Width:
    64.4 mm
    Depth:
    9.9 mm

Weight

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

  1. 1. Mi-506 Stellar Mettle Icon

    177 g

    +68 g versus Billy 4

  2. 2. Billy 4

    109 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. Mi-506 Stellar Mettle Icon

    Screen diagonal:
    5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    68.9 cm²
  2. 2. Billy 4

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

Mi-506 Stellar Mettle Icon has approximately 51.3% more rectangular screen area than Billy 4.

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.

No unambiguous storage/RAM pairings are recorded. See the original specifications below.

Billy 4: 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. Mi-506 Stellar Mettle Icon

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

2. Billy 4

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB

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. Mi-506 Stellar Mettle Icon

    1800 mAh

    +500 mAh versus Billy 4

  2. 2. Billy 4

    1300 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. Mi-506 Stellar Mettle Icon2. Billy 4

Everyday essentials
Everyday essentials — specifications for Mi-506 Stellar Mettle Icon, Billy 4.
SpecificationMi-506 Stellar Mettle IconBilly 4
Dimensions (HxWxD)
  • 145 Х 72.9 Х 9.6 mm
  • 122.5 Х 64.4 Х 9.9 mm
Weight
  • 177 g
  • 109 g
Technology
  • TFT
  • TFT
Screen size
  • 5" inch
  • 4" inch
Screen resolution
  • 480 x 854 px
  • 480 x 800 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded. Unknown
  • 4 GB
  • 512 MB RAM
Memory card support
  • microSD
  • up to 32 GB
  • microSD
  • up to 256 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 1800 mAh
  • Removable Li-Ion
  • 1300 mAh
  • Removable Li-Ion
Operating system OS
  • Android 4.2 (Jelly Bean)
  • Microsoft Windows Phone 8.1
Chipset Unknown
  • Qualcomm MSM8212 Snapdragon 200 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Mi-506 Stellar Mettle Icon, Billy 4.
SpecificationMi-506 Stellar Mettle IconBilly 4
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors Unknown
  • 16M
Screen area
  • 68.9 cm2
  • 45.5 cm2
Screen format
  • 16:9 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 65.2%
  • 57.7%
PPI /points per inch/
  • 196 PPI
  • 233 PPI
Camera and Video
Camera and Video — specifications for Mi-506 Stellar Mettle Icon, Billy 4.
SpecificationMi-506 Stellar Mettle IconBilly 4
Rear camera, main
  • 8 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 8 MP
  • 8 MP
  • AF
Functions
  • LED flash
  • LED flash
Video
  • Yes
  • 720p@30fps
Front camera, selfie
  • 1.3 MP
  • Single
  • 1.3 MP
  • Single
Specifications
  • 1.3 MP
  • 1.3 MP
Performance

Scores marked * are historical catalogue entries. Test conditions are unspecified; no new testing is implied.

Performance — specifications for Mi-506 Stellar Mettle Icon, Billy 4.
SpecificationMi-506 Stellar Mettle IconBilly 4
Processor CPU Unknown
  • Quad-core 1.2 GHz Cortex-A7
Graphics processor GPU Unknown
  • Adreno 302
Antutu 7 score *
  • 3728
Unknown
General specs
General specs — specifications for Mi-506 Stellar Mettle Icon, Billy 4.
SpecificationMi-506 Stellar Mettle IconBilly 4
Release date
  • 2014
  • March
  • 2014
  • June
Colors
  • White/Silver
  • White
  • Black
  • Red
  • Gun Metal
  • Blue
  • Yellow
  • Champing Gold
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 80 EUR
Unknown
Battery life
  • Stand by time- Up to 200 h Talking time- Up to 7 h 30 min
  • Stand by time- Up to 350 h (2G) / Up to 300 h (3G) Talking time- Up to 7 h (2G) / Up to 4 h 30 min (3G)
Communication and Connectivity
Communication and Connectivity — specifications for Mi-506 Stellar Mettle Icon, Billy 4.
SpecificationMi-506 Stellar Mettle IconBilly 4
SIM card
  • Dual SIM (Mini-SIM)
  • Dual SIM (Micro-SIM)
Network
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Speed
  • HSPA
  • HSPA 42.2/5.76 Mbps
GPRS
  • Class 12
  • Class 12
Edge
  • Class 12
  • Class 12
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi 802.11 a/b/g/n
  • dual-band
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
USB
  • microUSB
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • 4.0
  • A2DP
Music and Audio
Music and Audio — specifications for Mi-506 Stellar Mettle Icon, Billy 4.
SpecificationMi-506 Stellar Mettle IconBilly 4
Radio
  • FM radio
  • Stereo FM radio
Other features
Other features — specifications for Mi-506 Stellar Mettle Icon, Billy 4.
SpecificationMi-506 Stellar Mettle IconBilly 4
Dop
  • Sensors Accelerometer
  • Sensors Accelerometer
  • proximity