Vertu Signature Touch vs Xiaomi Redmi 4a

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

    Redmi 4a: 60.5 g lighter

    Signature Touch:
    192 g
    Redmi 4a:
    131.5 g
  • Width

    Signature Touch: 1.4 mm narrower

    Signature Touch:
    69 mm
    Redmi 4a:
    70.4 mm
  • Screen diagonal

    Signature Touch: 0.3 in smaller diagonal

    Signature Touch:
    4.7 in
    Redmi 4a:
    5 in
  • Chipset

    Signature Touch:
    Qualcomm Snapdragon 801 (28 nm)
    Redmi 4a:
    Qualcomm MSM8917 Snapdragon 425 (28 nm)
  • Depth

    Redmi 4a: 2.2 mm thinner

    Signature Touch:
    10.7 mm
    Redmi 4a:
    8.5 mm
  • Height

    Redmi 4a: 5.1 mm shorter

    Signature Touch:
    145 mm
    Redmi 4a:
    139.9 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. Signature Touch

    Height:
    145 mm +5.1 mm versus Redmi 4a
    Width:
    69 mm
    Depth:
    10.7 mm +2.2 mm versus Redmi 4a
  2. 2. Redmi 4a

    Height:
    139.9 mm
    Width:
    70.4 mm +1.4 mm versus Signature Touch
    Depth:
    8.5 mm

Weight

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

  1. 1. Signature Touch

    192 g

    +60.5 g versus Redmi 4a

  2. 2. Redmi 4a

    131.5 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

    Screen diagonal:
    4.7 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    60.9 cm²
  2. 2. Redmi 4a

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

Redmi 4a has approximately 13.2% more rectangular screen area than Signature Touch.

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 Signature Touch, Redmi 4a, compared at the same storage capacity.
StorageSignature TouchRedmi 4a
16 GB Not recorded 2 GB RAM
32 GB Not recorded 2 GB RAM
64 GB 2 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. Signature Touch

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

2. Redmi 4a

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (uses SIM 2 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

    2275 mAh

  2. 2. Redmi 4a

    3120 mAh

    +845 mAh versus Signature Touch

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 Touch2. Redmi 4a

Everyday essentials
Everyday essentials — specifications for Signature Touch, Redmi 4a.
SpecificationSignature TouchRedmi 4a
Dimensions (HxWxD)
  • 145 Х 69 Х 10.7 mm
  • 139.9 Х 70.4 Х 8.5 mm
Weight
  • 192 g
  • 131.5 g
Technology
  • Sapphire crystal glass
  • IPS LCD
Screen size
  • 4.7" inch
  • 5" inch
Screen resolution
  • 1080 x 1920 px
  • 720 x 1280 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64 GB
  • 2 GB RAM
  • 16/32 GB
  • 2 GB RAM
Memory card support
  • No
  • microSD
  • up to 256 GB (uses SIM 2 slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 2275 mAh
  • Non-removable Li-Ion
  • 3120 mAh
  • Non-removable Li-Ion
Operating system OS
  • Android 4.4.2 (KitKat)
  • Android 6.0.1 (Marshmallow); MIUI 10
Chipset
  • Qualcomm Snapdragon 801 (28 nm)
  • Qualcomm MSM8917 Snapdragon 425 (28 nm)
NFC
  • Yes
Unknown
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Signature Touch, Redmi 4a.
SpecificationSignature TouchRedmi 4a
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 60.9 cm2
  • 68.0 cm2
Screen format
  • 16:9 (height:width)
  • 16:9 (height:width)
Screen to body ratio
  • 60.9%
  • 69.0%
PPI /points per inch/
  • 469 PPI
  • 296 PPI
Screen protection
  • Scratch-proof glass
Unknown
Camera and Video
Camera and Video — specifications for Signature Touch, Redmi 4a.
SpecificationSignature TouchRedmi 4a
Rear camera, main
  • 13 MP
  • Single
  • 13 MP
  • Single
Camera specs
  • 13 MP
  • Hasselblad certified
  • AF
  • 13 MP
  • AF
  • f/2.2
Functions
  • Dual-LED flash
  • LED flash
  • HDR
  • panorama
Video
  • 1080p@30fps
  • 1080p@30fps
Front camera, selfie
  • 2.1 MP
  • Single
  • 5 MP
  • Single
Specifications
  • 2.1 MP
  • 5 MP
  • f/2.2
Performance

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

Performance — specifications for Signature Touch, Redmi 4a.
SpecificationSignature TouchRedmi 4a
Processor CPU
  • Quad-core 2.3 GHz Krait 400
  • Quad-core 1.4 GHz Cortex-A53
Graphics processor GPU
  • Adreno 330
  • Adreno 308
Antutu 7 score * Unknown
  • 43152
GeekBench 4 Single Core *
  • 354
  • 664
GeekBench 4 Multi-Core *
  • 1174
  • 1740
GeekBench 4 RenderScript * Unknown
  • 1350
GeekBench 5 Single Core * Unknown
  • 123
GeekBench 5 Multi-Core * Unknown
  • 396
General specs
General specs — specifications for Signature Touch, Redmi 4a.
SpecificationSignature TouchRedmi 4a
Release date
  • 2014
  • June
  • 2016
  • November
Colors
  • Jet/ Claret leather
  • pure Jet leather
  • Pure Jet Red Gold
  • Seaspray/ Damson/ Pure navy lizard
  • Jet Alligator
  • Clous De Paris
  • Gold
  • Rose Gold
  • Dark Gray
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 8290 EUR
  • 110 EUR
Battery life
  • Stand by time- Up to 380 h Talking time- Up to 15 h 30 min
Unknown
Body build Unknown
  • plastic body
Communication and Connectivity
Communication and Connectivity — specifications for Signature Touch, Redmi 4a.
SpecificationSignature TouchRedmi 4a
SIM card
  • Micro-SIM
  • Hybrid Dual SIM (Nano-SIM/ Micro-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA 850 / 900 / 1700 / 1900 / 2100 -4G - LTE band 1(2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 17(700)
  • 20(800)
  • 25(1900)
  • 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)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 20(800)
  • 38(2600)
  • 40(2300)
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE Cat4 150/50 Mbps
  • HSPA
  • LTE
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • Yes
  • with A-GPS
  • GLONASS
  • BDS
USB
  • microUSB 2.0
  • USB Host
  • microUSB 2.0
Bluetooth
  • 4.0
  • A2DP
  • LE
  • 4.1
  • A2DP
  • LE
Harmful irradiation
  • SAR - 0.69 W/kg (head) 1.29 W/kg (body) SAR EU - 0.49 W/kg (head)
Unknown
Music and Audio
Music and Audio — specifications for Signature Touch, Redmi 4a.
SpecificationSignature TouchRedmi 4a
Radio
  • No
  • FM radio
Others
  • Dolby Digital Plus audio enhancement -Bang & Olufsen -Active noise cancellation with dedicated mic
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Signature Touch, Redmi 4a.
SpecificationSignature TouchRedmi 4a
Dop
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass - Titanium body (forged grade 5) and luxurious calf leather covered rear panel - Also known as Vertu Signature Touch RM-980V
  • RM-980C
  • Sensors Accelerometer
  • gyro
  • proximity
  • Infrared port