Vodafone Smart X9 vs Xiaomi Mi 9: 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.

Display technology

OLED versus LCD

Smart X9:

LCD

Mi 9:

OLED
Weight

Smart X9: 20 g lighter

Smart X9:

153 g

Mi 9:

173 g
Width

Smart X9: 3.4 mm narrower

Smart X9:

71.3 mm

Mi 9:

74.7 mm
Screen diagonal

Smart X9: 0.69 in smaller diagonal

Smart X9:

5.7 in

Mi 9:

6.39 in
Chipset

Smart X9:

Qualcomm SDM450 Snapdragon 450 (14 nm)

Mi 9:

Qualcomm SDM855 Snapdragon 855 (7 nm)
Rear camera layout

Smart X9:

Single

Mi 9:

Triple

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. Smart X9

Height:

148.2 mm
Width:

71.3 mm
Depth:

8 mm
2. Mi 9

Height:

157.5 mm +9.3 mm versus Smart X9
Width:

74.7 mm +3.4 mm versus Smart X9
Depth:

7.6 mm

Weight

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

1. Smart X9

153 g
2. Mi 9

173 g

+20 g versus Smart X9

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. Smart X9

Screen diagonal:

5.7 in

Aspect ratio (height:width):

18:9

Approximate rectangular screen area:

83.8 cm²
2. Mi 9

Screen diagonal:

6.39 in

Aspect ratio (height:width):

19.5:9

Approximate rectangular screen area:

100.2 cm²

Mi 9 has approximately 19.5% more rectangular screen area than Smart X9.

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 Smart X9, Mi 9, compared at the same storage capacity.
Storage	Smart X9	Mi 9
32 GB	3 GB RAM	Unknown

Mi 9: Original memory entry

64/128 GB · 6/8 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. Smart X9

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

2. Mi 9

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. Smart X9

3100 mAh
2. Mi 9

3300 mAh

+200 mAh versus Smart X9

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. Smart X92. Mi 9

Everyday essentials

Everyday essentials — specifications for Smart X9, Mi 9.
Specification	Smart X9	Mi 9
Dimensions (HxWxD)	148.2 Х 71.3 Х 8 mm	157.5 Х 74.7 Х 7.6 mm
Weight	153 g	173 g
Technology	IPS LCD	Super AMOLED
Screen size	5.7" inch	6.39" inch
Screen resolution	1080 x 2160 px	1080 x 2340 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.	32 GB 3 GB RAM	64/128 GB 6/8 GB RAM
Memory card support	microSD up to 256 GB	No
Battery Capacity is not battery life. No endurance test is implied.	3100 mAh Non-removable Li-Ion	3300 mAh Non-removable Li-Po
Operating system OS	Android 8.1 (Oreo)	Android 9.0 (Pie)
Chipset	Qualcomm SDM450 Snapdragon 450 (14 nm)	Qualcomm SDM855 Snapdragon 855 (7 nm)
NFC	Yes	Yes
Headphone jack	Yes	No

Display

Display — specifications for Smart X9, Mi 9.
Specification	Smart X9	Mi 9
Touchscreen	capacitive touchscreen	Super AMOLED capacitive touchs
Display colors	16M	16M
Screen area	82.7 cm2	100.2 cm2
Screen format	18:9 (height:width)	19.5:9 (height:width)
Screen to body ratio	78.2%	85.2%
PPI /points per inch/	427 PPI	403 PPI
Screen protection	Asahi Dragontrail Glass	Corning Gorilla Glass 6

Camera and Video

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

Camera and Video — specifications for Smart X9, Mi 9.
Specification	Smart X9	Mi 9
Rear camera, main	16 MP Single	48 MP Triple
Camera specs	16 MP AF -5 MP depth sensor	48 MP f/1.8 1/2'' 0.8µm Laser/PDAF -16 MP f/2.2 13mm (ultrawide) 1/3.0'' 1.0µm Laser/PDAF -12 MP 54mm (telephoto) 1/3.6'' Laser/PDAF 2x optical zoom
Functions	LED flash HDR panorama	HDR
Video	1080p@30fps	1080p@30fps
Front camera, selfie	8 MP Single	20 MP Single
Specifications	8 MP	20 MP f/2.0 0.9μm
DxOMark Main Score *	Unknown	110
DxOMark Photo *	Unknown	115
DxOMark Video *	Unknown	99

Performance

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

Performance — specifications for Smart X9, Mi 9.
Specification	Smart X9	Mi 9
Processor CPU	Octa-core 1.8 GHz Cortex-A53	Octa-core (1x2.84 GHz Kryo 485 & 3x2.42 GHz Kryo 485 & 4x1.8 GHz Kryo 485)
Graphics processor GPU	Adreno 506	Adreno 640
Antutu 7 score *	59232	371108
GeekBench 4 Single Core *	Unknown	3235
GeekBench 4 Multi-Core *	Unknown	10405
GeekBench 4 RenderScript *	Unknown	7120
Antutu 8 score *	Unknown	445567
GeekBench 4 Battery *	Unknown	6086
GeekBench 5 Single Core *	Unknown	678
GeekBench 5 Multi-Core *	Unknown	2575

General specs

General specs — specifications for Smart X9, Mi 9.
Specification	Smart X9	Mi 9
Release date	2018 December	2019 February
Colors	Black	Lavender Violet Ocean Blue Piano Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.	110 EUR	450 EUR
Body build	Unknown	Back glass (Gorilla Glass 5) aluminum frame (7000 series)

Communication and Connectivity

Communication and Connectivity — specifications for Smart X9, Mi 9.
Specification	Smart X9	Mi 9
SIM card	Nano-SIM	Dual SIM (Nano-SIM dual stand-by)
Network	Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE 800/900/1800/2100/2600 LTE 700/900/1800/2100/2600	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) 28(700) 38(2600) 39(1900) 40(2300)
Speed	HSPA 42.2/5.76 Mbps LTE-A (2CA) Cat6 300/50 Mbps	HSPA LTE-A
GPRS	Yes	Yes
Edge	Yes	Yes
Wi-Fi	Wi-Fi 802.11 b/g/n hotspot	Wi-Fi 802.11 a/b/g/n/ac dual-band Wi-Fi Direct DLNA hotspot
GPS	Yes with A-GPS	Yes with dual-band A-GPS GLONASS BDS GALILEO QZSS
USB	2.0 Type-C 1.0 reversible connector	2.0 Type-C 1.0 reversible connector USB On-The-Go
Bluetooth	4.2 A2DP LE	5.0 A2DP LE aptX HD
Harmful irradiation	SAR EU - 0.40 W/kg (head) 1.23 W/kg (body)	Unknown

Music and Audio

Music and Audio — specifications for Smart X9, Mi 9.
Specification	Smart X9	Mi 9
Radio	FM radio	No
Others	Unknown	HDR10 -DCI-P3 Active noise cancellation with dedicated mic

Other features

Other features — specifications for Smart X9, Mi 9.
Specification	Smart X9	Mi 9
Dop	Sensors Fingerprint (rear-mounted) accelerometer gyro proximity compass	Sensors Fingerprint (under display) accelerometer gyro proximity compass Infrared port - Fast battery charging 27W (Quick Charge 4+) -Fast wireless charging 20W

Vodafone Smart X9 vs Xiaomi Mi 9