Vodafone Smart X9 vs Xiaomi Redmi Note 9S: 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

Smart X9: 56 g lighter

Smart X9:

153 g

Redmi Note 9S:

209 g
Width

Smart X9: 5.4 mm narrower

Smart X9:

71.3 mm

Redmi Note 9S:

76.7 mm
Screen diagonal

Smart X9: 0.97 in smaller diagonal

Smart X9:

5.7 in

Redmi Note 9S:

6.67 in
Chipset

Smart X9:

Qualcomm SDM450 Snapdragon 450 (14 nm)

Redmi Note 9S:

Qualcomm SM7125 Snapdragon 720G (8 nm)
Rear camera layout

Smart X9:

Single

Redmi Note 9S:

Quad
Depth

Smart X9: 0.8 mm thinner

Smart X9:

8 mm

Redmi Note 9S:

8.8 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. Smart X9

Height:

148.2 mm
Width:

71.3 mm
Depth:

8 mm
2. Redmi Note 9S

Height:

165.8 mm +17.6 mm versus Smart X9
Width:

76.7 mm +5.4 mm versus Smart X9
Depth:

8.8 mm +0.8 mm versus Smart X9

Weight

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

1. Smart X9

153 g
2. Redmi Note 9S

209 g

+56 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. Redmi Note 9S

Screen diagonal:

6.67 in

Aspect ratio (height:width):

20:9

Approximate rectangular screen area:

107.4 cm²

Redmi Note 9S has approximately 28.1% 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, Redmi Note 9S, compared at the same storage capacity.
Storage	Smart X9	Redmi Note 9S
32 GB	3 GB RAM	Not recorded
64 GB	Not recorded	4 GB RAM
128 GB	Not recorded	6 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. Redmi Note 9S

NFC:: Unknown
Headphone jack:: Yes
Memory card support:: See details microSDXC (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. Smart X9

3100 mAh
2. Redmi Note 9S

5020 mAh

+1920 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. Redmi Note 9S

Everyday essentials

Everyday essentials — specifications for Smart X9, Redmi Note 9S.
Specification	Smart X9	Redmi Note 9S
Dimensions (HxWxD)	148.2 Х 71.3 Х 8 mm	165.8 Х 76.7 Х 8.8 mm
Weight	153 g	209 g
Technology	IPS LCD	IPS LCD
Screen size	5.7" inch	6.67" inch
Screen resolution	1080 x 2160 px	1080 x 2400 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.	32 GB 3 GB RAM	64GB 4GB RAM 128GB 6GB RAM
Memory card support	microSD up to 256 GB	microSDXC (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.	3100 mAh Non-removable Li-Ion	5020 mAh Non-removable Li-Po
Operating system OS	Android 8.1 (Oreo)	Android 10.0; MIUI 11
Chipset	Qualcomm SDM450 Snapdragon 450 (14 nm)	Qualcomm SM7125 Snapdragon 720G (8 nm)
NFC	Yes	Unknown
Headphone jack	Yes	Yes

Display

Display — specifications for Smart X9, Redmi Note 9S.
Specification	Smart X9	Redmi Note 9S
Touchscreen	capacitive touchscreen	capacitive touchscreen
Display colors	16M	16M
Screen area	82.7 cm2	107.4 cm2
Screen format	18:9 (height:width)	20:9 (height:width)
Screen to body ratio	78.2%	84.5%
PPI /points per inch/	427 PPI	395 PPI
Screen protection	Asahi Dragontrail Glass	Corning Gorilla Glass 5

Camera and Video

Camera and Video — specifications for Smart X9, Redmi Note 9S.
Specification	Smart X9	Redmi Note 9S
Rear camera, main	16 MP Single	48 MP Quad
Camera specs	16 MP AF -5 MP depth sensor	48 MP f/1.8 26mm (wide) 1/2.0'' 0.8µm PDAF -8 MP f/2.2 13mm (ultrawide) 1/4.0'' 1.12µm -5 MP f/2.4 (macro) 1.12µm -2 MP (depth)
Functions	LED flash HDR panorama	HDR panorama
Video	1080p@30fps	1080p@30fps
Front camera, selfie	8 MP Single	16 MP Single
Specifications	8 MP	16 MP f/2.5 (wide) 1.0µm

Performance

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

Performance — specifications for Smart X9, Redmi Note 9S.
Specification	Smart X9	Redmi Note 9S
Processor CPU	Octa-core 1.8 GHz Cortex-A53	Octa-core (2x2.3 GHz Kryo 465 Gold & 6x1.8 GHz Kryo 465 Silver)
Graphics processor GPU	Adreno 506	Adreno 618
Antutu 7 score *	59232	Unknown

General specs

General specs — specifications for Smart X9, Redmi Note 9S.
Specification	Smart X9	Redmi Note 9S
Release date	2018 December	2020 March 23
Colors	Black	Aurora Blue Glacier white Interstellar Gray
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.	110 EUR	$ 199
Body build	Unknown	Glass front (Gorilla Glass 5) glass back (Gorilla Glass 5) plastic frame

Communication and Connectivity

Communication and Connectivity — specifications for Smart X9, Redmi Note 9S.
Specification	Smart X9	Redmi Note 9S
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 -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) 20(800) 28(700) 38(2600) 40(2300)
Speed	HSPA 42.2/5.76 Mbps LTE-A (2CA) Cat6 300/50 Mbps	HSPA 42.2/5.76 Mbps 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 hotspot
GPS	Yes with A-GPS	Yes with A-GPS GLONASS GALILEO BDS
USB	2.0 Type-C 1.0 reversible connector	2.0 Type-C 1.0 reversible connector
Bluetooth	4.2 A2DP LE	5.0 A2DP LE
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, Redmi Note 9S.
Specification	Smart X9	Redmi Note 9S
Radio	FM radio	FM radio recording
Others	Unknown	450 nits typ. brightness (advertised)

Other features

Other features — specifications for Smart X9, Redmi Note 9S.
Specification	Smart X9	Redmi Note 9S
Dop	Sensors Fingerprint (rear-mounted) accelerometer gyro proximity compass	Sensors Fingerprint (side-mounted) accelerometer gyro proximity compass Infrared port - Fast charging 18W - Splash-proof

Vodafone Smart X9 vs Xiaomi Redmi Note 9S