Vertu Signature Touch (2015) vs Xiaomi Mi 8 Explorer: specs comparison

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 Explorer: 48 g lighter

Signature Touch (2015):

225 g

Mi 8 Explorer:

177 g
Screen diagonal

Signature Touch (2015): 1.01 in smaller diagonal

Signature Touch (2015):

5.2 in

Mi 8 Explorer:

6.21 in
Chipset

Signature Touch (2015):

Qualcomm MSM8994 Snapdragon 810 (20 nm)

Mi 8 Explorer:

Qualcomm SDM845 Snapdragon 845 (10 nm)
Rear camera layout

Signature Touch (2015):

Single

Mi 8 Explorer:

Dual
Depth

Mi 8 Explorer: 3.2 mm thinner

Signature Touch (2015):

10.8 mm

Mi 8 Explorer:

7.6 mm
Release year

Signature Touch (2015):

2015

Mi 8 Explorer:

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. Signature Touch (2015)

Height:

155 mm
Width:

74 mm
Depth:

10.8 mm +3.2 mm versus Mi 8 Explorer
2. Mi 8 Explorer

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. Signature Touch (2015)

225 g

+48 g versus Mi 8 Explorer
2. Mi 8 Explorer

177 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.

At least two phones need compatible screen dimensions for a drawing.

1. Signature Touch (2015)

Screen diagonal:

5.2 in

Aspect ratio (height:width):

16:9

Approximate rectangular screen area:

74.5 cm²
2. Mi 8 Explorer

Mi 8 Explorer: Screen geometry unavailable or conflicting.

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 (2015), Mi 8 Explorer, compared at the same storage capacity.
Storage	Signature Touch (2015)	Mi 8 Explorer
128 GB	Unknown	8 GB RAM

Signature Touch (2015): Original memory entry

64 GB · 512GB 4GB

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 Explorer

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. Signature Touch (2015)

3160 mAh

+160 mAh versus Mi 8 Explorer
2. Mi 8 Explorer

3000 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. Mi 8 Explorer

Everyday essentials

Everyday essentials — specifications for Signature Touch (2015), Mi 8 Explorer.
Specification	Signature Touch (2015)	Mi 8 Explorer
Dimensions (HxWxD)	155 Х 74 Х 10.8 mm	154.9 Х 74.8 Х 7.6 mm
Weight	225 g	177 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	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	3000 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 Explorer.
Specification	Signature Touch (2015)	Mi 8 Explorer
Touchscreen	capacitive touchscreen	capacitive touchscreen
Display colors	16M	16M
Screen area	74.5 cm2	97.1 cm2
Screen format	16:9 (height:width)	Unknown
Screen to body ratio	65.0%	83.8%
PPI /points per inch/	424 PPI	0 PPI
Screen protection	Sapphire crystal glass	Corning Gorilla Glass 5

Camera and Video

Camera and Video — specifications for Signature Touch (2015), Mi 8 Explorer.
Specification	Signature Touch (2015)	Mi 8 Explorer
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 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

Performance

Performance — specifications for Signature Touch (2015), Mi 8 Explorer.
Specification	Signature Touch (2015)	Mi 8 Explorer
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

General specs

General specs — specifications for Signature Touch (2015), Mi 8 Explorer.
Specification	Signature Touch (2015)	Mi 8 Explorer
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 (transparent back)
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.	9000 EUR	500 EUR
Body build	Unknown	Front/back glass aluminum frame (7000 series)

Communication and Connectivity

Communication and Connectivity — specifications for Signature Touch (2015), Mi 8 Explorer.
Specification	Signature Touch (2015)	Mi 8 Explorer
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 Explorer.
Specification	Signature Touch (2015)	Mi 8 Explorer
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 Explorer.
Specification	Signature Touch (2015)	Mi 8 Explorer
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 Face ID fingerprint (under display) accelerometer gyro proximity barometer compass - Fast battery charging (Quick Charge 4.0+) - For China

Vertu Signature Touch (2015) vs Xiaomi Mi 8 Explorer