Huawei Mate RS Porsche Design 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: 74 g lighter

    Mate RS Porsche Design:
    183 g
    Billy 4:
    109 g
  • Width

    Billy 4: 8.1 mm narrower

    Mate RS Porsche Design:
    72.5 mm
    Billy 4:
    64.4 mm
  • Screen diagonal

    Billy 4: 2 in smaller diagonal

    Mate RS Porsche Design:
    6 in
    Billy 4:
    4 in
  • Chipset

    Mate RS Porsche Design:
    Hisilicon Kirin 970 (10 nm)
    Billy 4:
    Qualcomm MSM8212 Snapdragon 200 (28 nm)
  • Rear camera layout

    Mate RS Porsche Design:
    Triple
    Billy 4:
    Single
  • Depth

    Mate RS Porsche Design: 1.4 mm thinner

    Mate RS Porsche Design:
    8.5 mm
    Billy 4:
    9.9 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. Mate RS Porsche Design

    Height:
    152.9 mm +30.4 mm versus Billy 4
    Width:
    72.5 mm +8.1 mm versus Billy 4
    Depth:
    8.5 mm
  2. 2. Billy 4

    Height:
    122.5 mm
    Width:
    64.4 mm
    Depth:
    9.9 mm +1.4 mm versus Mate RS Porsche Design

Weight

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

  1. 1. Mate RS Porsche Design

    183 g

    +74 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. Mate RS Porsche Design

    Screen diagonal:
    6 in
    Aspect ratio (height:width):
    18:9
    Approximate rectangular screen area:
    92.9 cm²
  2. 2. Billy 4

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

Mate RS Porsche Design has approximately 104% 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 Mate RS Porsche Design, Billy 4, compared at the same storage capacity.
StorageMate RS Porsche DesignBilly 4
256 GB 6 GB RAM Unknown
512 GB 6 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. Mate RS Porsche Design

NFC:
Yes
Headphone jack:
No
Memory card support:
No

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. Mate RS Porsche Design

    4000 mAh

    +2700 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. Mate RS Porsche Design2. Billy 4

Everyday essentials
Everyday essentials — specifications for Mate RS Porsche Design, Billy 4.
SpecificationMate RS Porsche DesignBilly 4
Dimensions (HxWxD)
  • 152.9 Х 72.5 Х 8.5 mm
  • 122.5 Х 64.4 Х 9.9 mm
Weight
  • 183 g
  • 109 g
Technology
  • AMOLED
  • TFT
Screen size
  • 6" inch
  • 4" inch
Screen resolution
  • 1440 x 2880 px
  • 480 x 800 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 256/512 GB
  • 6 GB RAM
  • 4 GB
  • 512 MB RAM
Memory card support
  • No
  • microSD
  • up to 256 GB
Battery Capacity is not battery life. No endurance test is implied.
  • 4000 mAh
  • Non-removable Li-Po
  • 1300 mAh
  • Removable Li-Ion
Operating system OS
  • Android 8.1 (Oreo); EMUI 8.1
  • Microsoft Windows Phone 8.1
Chipset
  • Hisilicon Kirin 970 (10 nm)
  • Qualcomm MSM8212 Snapdragon 200 (28 nm)
NFC
  • Yes
Unknown
Headphone jack
  • No
  • Yes
Display
Display — specifications for Mate RS Porsche Design, Billy 4.
SpecificationMate RS Porsche DesignBilly 4
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 92.6 cm2
  • 45.5 cm2
Screen format
  • 18:9 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 83.5%
  • 57.7%
PPI /points per inch/
  • 538 PPI
  • 233 PPI
Camera and Video
Camera and Video — specifications for Mate RS Porsche Design, Billy 4.
SpecificationMate RS Porsche DesignBilly 4
Rear camera, main
  • 40 MP
  • Triple
  • 8 MP
  • Single
Camera specs
  • 40 MP
  • f/1.8
  • 27mm (wide)
  • 1/1.7''
  • OIS
  • PDAF/Laser AF -20 MP B/W
  • f/1.6
  • 1/2.7''
  • PDAF/Laser AF -8 MP
  • f/2.4
  • 80mm (telephoto)
  • 1/4''
  • 3x optical zoom
  • PDAF/Laser AF
  • 8 MP
  • AF
Functions
  • Leica optics
  • Dual-LED dual-tone flash
  • HDR
  • panorama
  • LED flash
Video
  • 1080p@30fps
  • 720p@30fps
Front camera, selfie
  • 24 MP
  • Single
  • 1.3 MP
  • Single
Specifications
  • 24 MP
  • AF
  • f/2.0
  • 1.3 MP
Performance
Performance — specifications for Mate RS Porsche Design, Billy 4.
SpecificationMate RS Porsche DesignBilly 4
Processor CPU
  • Octa-core (4x2.4 GHz Cortex-A73 & 4x1.8 GHz Cortex-A53)
  • Quad-core 1.2 GHz Cortex-A7
Graphics processor GPU
  • Mali-G72 MP12
  • Adreno 302
General specs
General specs — specifications for Mate RS Porsche Design, Billy 4.
SpecificationMate RS Porsche DesignBilly 4
Release date
  • 2018
  • March
  • 2014
  • June
Colors
  • Black
  • Red
  • White
  • Black
  • Red
  • Gun Metal
  • Blue
  • Yellow
  • Champing Gold
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 1300 EUR
Unknown
Battery life Unknown
  • 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 Mate RS Porsche Design, Billy 4.
SpecificationMate RS Porsche DesignBilly 4
SIM card
  • Hybrid Dual SIM (Nano-SIM
  • dual stand-by)
  • Dual SIM (Micro-SIM)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A (3CA) Cat18 1200/150 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
  • dual-band
  • WiFi Direct
  • hotspot
  • Wi-Fi 802.11 a/b/g/n
  • dual-band
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • GALILEO
  • Yes
  • with A-GPS
  • GLONASS
USB
  • 3.1
  • Type-C 1.0 reversible connector
  • microUSB 2.0
Bluetooth
  • 4.2
  • A2DP
  • LE
  • EDR
  • aptX HD
  • 4.0
  • A2DP
Music and Audio
Music and Audio — specifications for Mate RS Porsche Design, Billy 4.
SpecificationMate RS Porsche DesignBilly 4
Radio
  • No
  • Stereo FM radio
Others
  • 32-bit/384kHz audio -Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for Mate RS Porsche Design, Billy 4.
SpecificationMate RS Porsche DesignBilly 4
Dop
  • Sensors Fingerprints (rear-mounted and under display)
  • accelerometer
  • gyro
  • proximity
  • compass
  • barometer
  • Infrared port - Fast battery charging 4.5V/5A (58% in 30 min) -Qi wireless charging - IP67 dust/water resistant (up to 1m for 30 mins)
  • Sensors Accelerometer
  • proximity