Vertu Signature Touch (2015) vs Xiaomi Mi 8

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

    Mi 8: 50 g lighter

    Signature Touch (2015):
    225 g
    Mi 8:
    175 g
  • Screen diagonal

    Signature Touch (2015): 1.01 in smaller diagonal

    Signature Touch (2015):
    5.2 in
    Mi 8:
    6.21 in
  • Chipset

    Signature Touch (2015):
    Qualcomm MSM8994 Snapdragon 810 (20 nm)
    Mi 8:
    Qualcomm SDM845 Snapdragon 845 (10 nm)
  • Rear camera layout

    Signature Touch (2015):
    Single
    Mi 8:
    Dual
  • Depth

    Mi 8: 3.2 mm thinner

    Signature Touch (2015):
    10.8 mm
    Mi 8:
    7.6 mm
  • Release year

    Signature Touch (2015):
    2015
    Mi 8:
    2018

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
    Width:
    74 mm
    Depth:
    10.8 mm +3.2 mm versus Mi 8
  2. 2. Mi 8

    Height:
    154.9 mm
    Width:
    74.8 mm
    Depth:
    7.6 mm

Weight

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

  1. 1. Signature Touch (2015)

    225 g

    +50 g versus Mi 8

  2. 2. Mi 8

    175 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. Mi 8

    Screen diagonal:
    6.21 in
    Aspect ratio (height:width):
    19:9
    Approximate rectangular screen area:
    96.3 cm²

Mi 8 has approximately 29.1% more rectangular screen area than Signature Touch (2015).

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

Mi 8: Original memory entry

64/128/256 GB · 6 GB RAM 128 GB · 8 GB 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. Mi 8

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

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

  2. 2. Mi 8

    3400 mAh

    +240 mAh versus Signature Touch (2015)

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. Mi 8

Everyday essentials
Everyday essentials — specifications for Signature Touch (2015), Mi 8.
SpecificationSignature Touch (2015)Mi 8
Dimensions (HxWxD)
  • 155 Х 74 Х 10.8 mm
  • 154.9 Х 74.8 Х 7.6 mm
Weight
  • 225 g
  • 175 g
Technology
  • Sapphire crystal glass
  • Super AMOLED
Screen size
  • 5.2" inch
  • 6.21" inch
Screen resolution
  • 1080 x 1920 px
  • 1080 x 2248 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 64 GB
  • 512GB 4GB
  • 64/128/256 GB
  • 6 GB RAM 128 GB
  • 8 GB RAM
Memory card support
  • microSD
  • up to 256 GB (dedicated slot)
  • No
Battery Capacity is not battery life. No endurance test is implied.
  • 3160 mAh
  • Non-removable Li-Ion
  • 3400 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 5.1 (Lollipop)
  • Android 8.1 (Oreo)
  • upgradable to Android 9.0 (Pie); MIUI 10.1
Chipset
  • Qualcomm MSM8994 Snapdragon 810 (20 nm)
  • Qualcomm SDM845 Snapdragon 845 (10 nm)
NFC
  • Yes
  • Yes
Headphone jack
  • Yes
  • No
Display
Display — specifications for Signature Touch (2015), Mi 8.
SpecificationSignature Touch (2015)Mi 8
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 74.5 cm2
  • 97.1 cm2
Screen format
  • 16:9 (height:width)
  • 19:9 (height:width)
Screen to body ratio
  • 65.0%
  • 83.8%
PPI /points per inch/
  • 424 PPI
  • 402 PPI
Screen protection
  • Sapphire crystal glass
  • Corning Gorilla Glass 5
Camera and Video

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

Camera and Video — specifications for Signature Touch (2015), Mi 8.
SpecificationSignature Touch (2015)Mi 8
Rear camera, main
  • 21 MP
  • Single
  • 12 MP
  • Dual
Camera specs
  • 21 MP
  • PDAF
  • 12 MP
  • f/1.8
  • 1/2.55''
  • 1.4µm
  • 4-axis OIS
  • dual pixel PDAF -12 MP
  • f/2.4
  • 56mm (telephoto)
  • 1/3.4''
  • 1.0µm
  • AF
  • 2x optical zoom
Functions
  • Dual-LED dual-tone flash
  • panorama
  • HDR
  • Dual-LED flash
  • HDR
  • panorama
Video
  • Yes
  • 1080p@30fps
Front camera, selfie
  • 2.1 MP
  • Single
  • 20 MP
  • Single
Specifications
  • 2.1 MP
  • 20 MP
  • f/2.0
  • 0.9μm
DxOMark Main Score * Unknown
  • 99
DxOMark Photo * Unknown
  • 105
DxOMark Video * Unknown
  • 88
Performance

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

Performance — specifications for Signature Touch (2015), Mi 8.
SpecificationSignature Touch (2015)Mi 8
Processor CPU
  • Octa-core (4x1.56 GHz Cortex-A53 & 4x1.82 GHz Cortex-A57)
  • Octa-core (4x2.8 GHz Kryo 385 Gold & 4x1.8 GHz Kryo 385 Silver)
Graphics processor GPU
  • Adreno 430
  • Adreno 630
Antutu 7 score * Unknown
  • 297023
GeekBench 4 Single Core * Unknown
  • 2280
GeekBench 4 Multi-Core * Unknown
  • 8242
GeekBench 4 RenderScript * Unknown
  • 13089
Antutu 8 score * Unknown
  • 353884
GeekBench 4 Battery * Unknown
  • 3965
GeekBench 5 Single Core * Unknown
  • 447
GeekBench 5 Multi-Core * Unknown
  • 1898
General specs
General specs — specifications for Signature Touch (2015), Mi 8.
SpecificationSignature Touch (2015)Mi 8
Release date
  • 2015
  • September
  • 2018
  • May
Colors
  • Jet Calf
  • Garnet Calf
  • Grape Lizard
  • Pure Jet Lizard
  • Jet Alligator
  • Pure Navy Alligator
  • Clous de Paris Alligator
  • Pure Jet Red Gold
  • Black
  • Blue
  • White
  • Gold
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 9000 EUR
  • 380 EUR
Body build Unknown
  • Front/back glass (Gorilla Glass 5)
  • aluminum frame (7000 series)
Communication and Connectivity
Communication and Connectivity — specifications for Signature Touch (2015), Mi 8.
SpecificationSignature Touch (2015)Mi 8
SIM card
  • Micro-SIM
  • Dual SIM (Nano-SIM
  • dual stand-by)
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 CDMA 800 & TD-SCDMA -3G - HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 -4G - LTE band 1(2100)
  • 2(1900)
  • 3(1800)
  • 4(1700/2100)
  • 5(850)
  • 7(2600)
  • 8(900)
  • 12(700)
  • 17(700)
  • 20(800)
  • 34(2000)
  • 38(2600)
  • 39(1900)
  • 40(2300)
  • 41(2500)
Speed
  • HSPA 42.2/5.76 Mbps
  • LTE-A (2CA) Cat6 300/50 Mbps
  • HSPA 42.2/5.76 Mbps
  • LTE-A (4CA) Cat16 1024/150 Mbps
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 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • DLNA
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • Yes
  • with dual-band A-GPS
  • GLONASS
  • BDS
  • GALILEO
  • QZSS
USB
  • microUSB 2.0 (MHL)
  • USB Host
  • Type-C 1.0 reversible connector
Bluetooth
  • 4.0
  • A2DP
  • LE
  • aptX
  • 5.0
  • A2DP
  • LE
  • aptX HD
Music and Audio
Music and Audio — specifications for Signature Touch (2015), Mi 8.
SpecificationSignature Touch (2015)Mi 8
Radio
  • No
  • No
Others
  • Dolby Digital Plus audio enhancement -Active noise cancellation with dedicated mic
  • HDR10 -DCI-P3
  • Active noise cancellation with dedicated mic
Other features
Other features — specifications for Signature Touch (2015), Mi 8.
SpecificationSignature Touch (2015)Mi 8
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 Infrared face recognition
  • fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • barometer
  • compass - Fast battery charging (Quick Charge 4.0+)