Vertu Signature Touch (2015) vs Yezz Andy A4

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

    Andy A4: 121 g lighter

    Signature Touch (2015):
    225 g
    Andy A4:
    104 g
  • Width

    Andy A4: 10.5 mm narrower

    Signature Touch (2015):
    74 mm
    Andy A4:
    63.5 mm
  • Screen diagonal

    Andy A4: 1.2 in smaller diagonal

    Signature Touch (2015):
    5.2 in
    Andy A4:
    4 in
  • Chipset

    Signature Touch (2015):
    Qualcomm MSM8994 Snapdragon 810 (20 nm)
    Andy A4:
    Mediatek MT6577T (40 nm)
  • Depth

    Andy A4: 1 mm thinner

    Signature Touch (2015):
    10.8 mm
    Andy A4:
    9.8 mm
  • Height

    Andy A4: 30.5 mm shorter

    Signature Touch (2015):
    155 mm
    Andy A4:
    124.5 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. Signature Touch (2015)

    Height:
    155 mm +30.5 mm versus Andy A4
    Width:
    74 mm +10.5 mm versus Andy A4
    Depth:
    10.8 mm +1 mm versus Andy A4
  2. 2. Andy A4

    Height:
    124.5 mm
    Width:
    63.5 mm
    Depth:
    9.8 mm

Weight

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

  1. 1. Signature Touch (2015)

    225 g

    +121 g versus Andy A4

  2. 2. Andy A4

    104 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. Signature Touch (2015)

    Screen diagonal:
    5.2 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    74.5 cm²
  2. 2. Andy A4

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

Signature Touch (2015) has approximately 63.7% more rectangular screen area than Andy A4.

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.

Signature Touch (2015): Original memory entry

64 GB · 512GB 4GB

Andy A4: 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. Signature Touch (2015)

NFC:
Yes
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (dedicated slot)

2. Andy A4

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. Signature Touch (2015)

    3160 mAh

    +1760 mAh versus Andy A4

  2. 2. Andy A4

    1400 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. Signature Touch (2015)2. Andy A4

Everyday essentials
Everyday essentials — specifications for Signature Touch (2015), Andy A4.
SpecificationSignature Touch (2015)Andy A4
Dimensions (HxWxD)
  • 155 Х 74 Х 10.8 mm
  • 124.5 Х 63.5 Х 9.8 mm
Weight
  • 225 g
  • 104 g
Technology
  • Sapphire crystal glass
  • IPS LCD
Screen size
  • 5.2" inch
  • 4" inch
Screen resolution
  • 1080 x 1920 px
  • 480 x 800 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64 GB
  • 512GB 4GB
  • 4 GB
  • 512 MB RAM
Memory card support
  • microSD
  • up to 256 GB (dedicated slot)
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 3160 mAh
  • Non-removable Li-Ion
  • 1400 mAh
  • Removable Li-Ion
Operating system OS
  • Android 5.1 (Lollipop)
  • Android 4.1 (Jelly Bean)
Chipset
  • Qualcomm MSM8994 Snapdragon 810 (20 nm)
  • Mediatek MT6577T (40 nm)
NFC
  • Yes
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Signature Touch (2015), Andy A4.
SpecificationSignature Touch (2015)Andy A4
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 74.5 cm2
  • 45.5 cm2
Screen format
  • 16:9 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 65.0%
  • 57.6%
PPI /points per inch/
  • 424 PPI
  • 233 PPI
Screen protection
  • Sapphire crystal glass
Unknown
Camera and Video
Camera and Video — specifications for Signature Touch (2015), Andy A4.
SpecificationSignature Touch (2015)Andy A4
Rear camera, main
  • 21 MP
  • Single
  • 8 MP
  • Single
Camera specs
  • 21 MP
  • PDAF
  • 8 MP
  • AF
Functions
  • Dual-LED dual-tone flash
  • panorama
  • HDR
  • LED flash
  • panorama
  • HDR
Video
  • Yes
  • 720p@30fps
Front camera, selfie
  • 2.1 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • 2.1 MP
  • VGA
Performance
Performance — specifications for Signature Touch (2015), Andy A4.
SpecificationSignature Touch (2015)Andy A4
Processor CPU
  • Octa-core (4x1.56 GHz Cortex-A53 & 4x1.82 GHz Cortex-A57)
  • Dual-core 1.2 GHz Cortex-A9
Graphics processor GPU
  • Adreno 430
  • PowerVR SGX531u
General specs
General specs — specifications for Signature Touch (2015), Andy A4.
SpecificationSignature Touch (2015)Andy A4
Release date
  • 2015
  • September
  • 2013
  • March
Colors
  • Jet Calf
  • Garnet Calf
  • Grape Lizard
  • Pure Jet Lizard
  • Jet Alligator
  • Pure Navy Alligator
  • Clous de Paris Alligator
  • Pure Jet Red Gold
  • Black
  • White
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 9000 EUR
Unknown
Battery life Unknown
  • Stand by time- Up to 480 h (2G) / Up to 350 h (3G) Talking time- Up to 16 h (2G) / Up to 8 h (3G)
Communication and Connectivity
Communication and Connectivity — specifications for Signature Touch (2015), Andy A4.
SpecificationSignature Touch (2015)Andy A4
SIM card
  • Micro-SIM
  • Dual SIM (Mini-SIM)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 TD-SCDMA -4G - LTE band 1(2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 13(700)
  • 17(700)
  • 20(800)
  • 25(1900)
  • 28(700)
  • 29(700)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat6 300/50 Mbps
  • HSPA 7.2/5.76 Mbps
GPRS
  • Yes
  • Class 12
Edge
  • Yes
  • Class 12
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • hotspot
  • Wi-Fi 802.11 a/b/g/n
  • dual-band
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • A-GPS only
USB
  • microUSB 2.0 (MHL)
  • USB Host
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • LE
  • aptX
  • 3.0
Music and Audio
Music and Audio — specifications for Signature Touch (2015), Andy A4.
SpecificationSignature Touch (2015)Andy A4
Radio
  • No
  • Stereo FM radio
Others
  • Dolby Digital Plus audio enhancement -Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for Signature Touch (2015), Andy A4.
SpecificationSignature Touch (2015)Andy A4
Dop
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging (Quick Charge 2.0) -Qi wireless charging - Titanium body (forged grade 5) and luxurious calf leather covered rear panel
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass - Single SIM: Andy AC4 Dual SIM: Andy A4