Kyocera Brigadier vs Yezz Billy 4

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

    Billy 4: 78.1 g lighter

    Brigadier:
    187.1 g
    Billy 4:
    109 g
  • Width

    Billy 4: 3.9 mm narrower

    Brigadier:
    68.3 mm
    Billy 4:
    64.4 mm
  • Screen diagonal

    Billy 4: 0.5 in smaller diagonal

    Brigadier:
    4.5 in
    Billy 4:
    4 in
  • Chipset

    Brigadier:
    Qualcomm Snapdragon 400 (28 nm)
    Billy 4:
    Qualcomm MSM8212 Snapdragon 200 (28 nm)
  • Depth

    Billy 4: 3.3 mm thinner

    Brigadier:
    13.2 mm
    Billy 4:
    9.9 mm
  • Height

    Billy 4: 13.9 mm shorter

    Brigadier:
    136.4 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. Brigadier

    Height:
    136.4 mm +13.9 mm versus Billy 4
    Width:
    68.3 mm +3.9 mm versus Billy 4
    Depth:
    13.2 mm +3.3 mm versus Billy 4
  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. Brigadier

    187.1 g

    +78.1 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. Brigadier

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

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

Brigadier has approximately 22.6% 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.

Recorded RAM for Brigadier, Billy 4, compared at the same storage capacity.
StorageBrigadierBilly 4
16 GB 2 GB RAM Unknown
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. Brigadier

NFC:
Yes
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB (dedicated slot)

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. Brigadier

    3100 mAh

    +1800 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. Brigadier2. Billy 4

Everyday essentials
Everyday essentials — specifications for Brigadier, Billy 4.
SpecificationBrigadierBilly 4
Dimensions (HxWxD)
  • 136.4 Х 68.3 Х 13.2 mm
  • 122.5 Х 64.4 Х 9.9 mm
Weight
  • 187.1 g
  • 109 g
Technology Unknown
  • TFT
Screen size
  • 4.5" inch
  • 4" inch
Screen resolution
  • 720 x 1280 px
  • 480 x 800 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 16 GB
  • 2 GB RAM
  • 4 GB
  • 512 MB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • microSD
  • up to 256 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 3100 mAh
  • Non-removable Li-Ion
  • 1300 mAh
  • Removable Li-Ion
Operating system OS
  • Android 4.4.2 (KitKat)
  • Microsoft Windows Phone 8.1
Chipset
  • Qualcomm Snapdragon 400 (28 nm)
  • Qualcomm MSM8212 Snapdragon 200 (28 nm)
NFC
  • Yes
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Brigadier, Billy 4.
SpecificationBrigadierBilly 4
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 55.8 cm2
  • 45.5 cm2
Screen format
  • 16:9 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 59.9%
  • 57.7%
PPI /points per inch/
  • 326 PPI
  • 233 PPI
Screen protection
  • Sapphire crystal glass
Unknown
Camera and Video
Camera and Video — specifications for Brigadier, Billy 4.
SpecificationBrigadierBilly 4
Rear camera, main
  • 8 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 8 MP
  • AF
  • 8 MP
  • AF
Functions
  • LED flash
  • panorama
  • LED flash
Video
  • 1080p@30fps
  • 720p@30fps
Front camera, selfie
  • 2 MP
  • Single
  • 1.3 MP
  • Single
Specifications
  • 2 MP
  • 1.3 MP
Performance

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

Performance — specifications for Brigadier, Billy 4.
SpecificationBrigadierBilly 4
Processor CPU
  • Quad-core 1.4 GHz Cortex-A7
  • Quad-core 1.2 GHz Cortex-A7
Graphics processor GPU
  • Adreno 305
  • Adreno 302
Antutu 7 score *
  • 18777
Unknown
General specs
General specs — specifications for Brigadier, Billy 4.
SpecificationBrigadierBilly 4
Release date
  • 2014
  • July
  • 2014
  • June
Colors
  • Black
  • White
  • Black
  • Red
  • Gun Metal
  • Blue
  • Yellow
  • Champing Gold
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 300 EUR
Unknown
Battery life
  • Stand by time- Up to 370 h Talking time- Up to 26 h
  • 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 Brigadier, Billy 4.
SpecificationBrigadierBilly 4
SIM card
  • Nano-SIM
  • Dual SIM (Micro-SIM)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - CDMA2000 1xEV-DO HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 4(1700/2100)
  • 13(700)
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Speed
  • HSPA
  • LTE
  • EV-DO Rev.A 3.1 Mbps
  • HSPA 42.2/5.76 Mbps
GPRS
  • Yes
  • Class 12
Edge
  • Yes
  • Class 12
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • Wi-Fi Direct
  • DLNA
  • hotspot
  • Wi-Fi 802.11 a/b/g/n
  • dual-band
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
  • GLONASS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • EDR
  • LE
  • 4.0
  • A2DP
Harmful irradiation
  • SAR - 0.79 W/kg (head) 0.72 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for Brigadier, Billy 4.
SpecificationBrigadierBilly 4
Radio
  • No
  • Stereo FM radio
Others
  • Smart Sonic Receiver
Unknown
Other features
Other features — specifications for Brigadier, Billy 4.
SpecificationBrigadierBilly 4
Dop
  • Sensors Accelerometer
  • proximity
  • compass
  • barometer - Qi wireless charging - IP68 dust/water proof (up to 1.5m for 30 mins) -MIL-STD-810G compliant -Flashlight - For Verizon
  • Sensors Accelerometer
  • proximity