Samsung Galaxy A9 (2018) vs vivo X20 Plus: 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.

Width

Galaxy A9 (2018): 3.1 mm narrower

Galaxy A9 (2018):

77 mm

X20 Plus:

80.1 mm
Rear camera layout

Galaxy A9 (2018):

Quad

X20 Plus:

Dual
Height

Galaxy A9 (2018): 2.8 mm shorter

Galaxy A9 (2018):

162.5 mm

X20 Plus:

165.3 mm
Release year

Galaxy A9 (2018):

2018

X20 Plus:

2017

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. Galaxy A9 (2018)

Height:

162.5 mm
Width:

77 mm
Depth:

7.8 mm
2. X20 Plus

Height:

165.3 mm +2.8 mm versus Galaxy A9 (2018)
Width:

80.1 mm +3.1 mm versus Galaxy A9 (2018)
Depth:

7.5 mm

Weight

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

1. Galaxy A9 (2018)

183 g

+1.5 g versus X20 Plus
2. X20 Plus

181.5 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. Galaxy A9 (2018)

Screen diagonal:

6.3 in

Aspect ratio (height:width):

18.5:9

Approximate rectangular screen area:

100.7 cm²
2. X20 Plus

Screen diagonal:

6.43 in

Aspect ratio (height:width):

18:9

Approximate rectangular screen area:

106.7 cm²

X20 Plus has approximately 5.9% more rectangular screen area than Galaxy A9 (2018).

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.

Galaxy A9 (2018): Original memory entry

64/128 GB · 6/8 GB RAM

X20 Plus: 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. Galaxy A9 (2018)

NFC:: Yes
Headphone jack:: Yes
Memory card support:: See details microSD · up to 512 GB (dedicated slot)

2. X20 Plus

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. Galaxy A9 (2018)

3800 mAh
2. X20 Plus

3900 mAh

+100 mAh versus Galaxy A9 (2018)

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. Galaxy A9 (2018)2. X20 Plus

Everyday essentials

Everyday essentials — specifications for Galaxy A9 (2018), X20 Plus.
Specification	Galaxy A9 (2018)	X20 Plus
Dimensions (HxWxD)	162.5 Х 77 Х 7.8 mm	165.3 Х 80.1 Х 7.5 mm
Weight	183 g	181.5 g
Technology	Super AMOLED	Super AMOLED
Screen size	6.3" inch	6.43" inch
Screen resolution	1080 x 2220 px	1080 x 2160 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.	64/128 GB 6/8 GB RAM	64 GB 512GB 4GB
Memory card support	microSD up to 512 GB (dedicated slot)	microSD up to 256 GB (uses SIM 2 slot)
Battery Capacity is not battery life. No endurance test is implied.	3800 mAh Non-removable Li-Ion	3900 mAh Non-removable Li-Ion
Operating system OS	Android 8.0 (Oreo) planned upgrade to Android 9.0 (Pie)	Android 7.1.1 (Nougat) upgradable to Android 8.0 (Oreo); Funtouch 3.2
Chipset	Qualcomm SDM660 Snapdragon 660 (14 nm)	Qualcomm SDM660 Snapdragon 660 (14 nm)
NFC	Yes	Unknown
Headphone jack	Yes	Yes

Display

Display — specifications for Galaxy A9 (2018), X20 Plus.
Specification	Galaxy A9 (2018)	X20 Plus
Touchscreen	capacitive touchscreen	capacitive touchscreen
Display colors	16M	16M
Screen area	100.2 cm2	106.7 cm2
Screen format	18.5:9 (height:width)	18:9 (height:width)
Screen to body ratio	80.1%	80.6%
PPI /points per inch/	393 PPI	376 PPI

Camera and Video

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

Camera and Video — specifications for Galaxy A9 (2018), X20 Plus.
Specification	Galaxy A9 (2018)	X20 Plus
Rear camera, main	24 MP Quad	12 MP Dual
Camera specs	24 MP f/1.7 27mm (wide) 1/2.8'' 0.9µm PDAF -8 MP f/2.4 12mm (ultrawide) 1/4.0'' 1.12µm -10 MP f/2.4 52mm (telephoto) 1/3.9'' 1.0µm 2x optical zoom -5 MP f/2.2 24mm (wide) 1/5.0'' 1.12µm depth sensor	12 MP f/1.8 AF -5 MP depth sensor
Functions	HDR	LED flash HDR panorama
Video	1080p@30fps	1080p@30fps
Front camera, selfie	24 MP Single	12 MP Single
Specifications	24 MP f/2.0 27mm (wide) 1/2.8'' 0.9μm	12 MP f/2.0
DxOMark Main Score *	88	90
DxOMark Photo *	93	92
DxOMark Video *	77	87

Performance

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

Performance — specifications for Galaxy A9 (2018), X20 Plus.
Specification	Galaxy A9 (2018)	X20 Plus
Processor CPU	Octa-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260)	Octa-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260)
Graphics processor GPU	Adreno 512	Adreno 512
Antutu 7 score *	142728	142568
GeekBench 4 Single Core *	Unknown	4188
GeekBench 4 Multi-Core *	Unknown	11601
GeekBench 5 Single Core *	300	Unknown
GeekBench 5 Multi-Core *	1336	Unknown

General specs

General specs — specifications for Galaxy A9 (2018), X20 Plus.
Specification	Galaxy A9 (2018)	X20 Plus
Release date	2018 October	2017 September
Colors	Caviar Black Lemonade Blue Bubblegum Pink	Matte Black Gold Rose Gold
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.	600 EUR	450 EUR
Body build	Unknown	Front glass aluminum body

Communication and Connectivity

Communication and Connectivity — specifications for Galaxy A9 (2018), X20 Plus.
Specification	Galaxy A9 (2018)	X20 Plus
SIM card	Dual SIM (Nano-SIM dual stand-by)	Hybrid Dual SIM (Nano-SIM dual stand-by)
Network	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) 2(1900) 3(1800) 4(1700/2100) 5(850) 7(2600) 8(900) 12(700) 13(700) 17(700) 20(800) 26(850) 28(700) 38(2600) 40(2300) 41(2500) 66(1700/2100)	Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2 CDMA 800 & TD-SCDMA -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE band 1(2100) 2(1900) 3(1800) 4(1700/2100) 5(850) 7(2600) 8(900) 12(700) 17(700) 34(2000) 38(2600) 39(1900) 40(2300) 41(2500) LTE band 1(2100) 8(900) - X20A Plus
Speed	HSPA 42.2/5.76 Mbps LTE-A (3CA) Cat9 450/50 Mbps	HSPA 42.2/5.76 Mbps LTE-A (2CA) Cat6 300/50 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 WiFi Direct hotspot
GPS	Yes with A-GPS GLONASS BDS GALILEO	Yes with A-GPS
USB	2.0 Type-C 1.0 reversible connector	microUSB 2.0 USB On-The-Go
Bluetooth	5.0 A2DP LE	5.0 A2DP LE
Harmful irradiation	SAR - 0.27 W/kg (head) 0.84 W/kg (body) SAR EU - 0.35 W/kg (head) 1.59 W/kg (body)	Unknown

Music and Audio

Music and Audio — specifications for Galaxy A9 (2018), X20 Plus.
Specification	Galaxy A9 (2018)	X20 Plus
Radio	FM radio	No
Others	Active noise cancellation with dedicated mic -Dolby Atmos	32-bit/192kHz audio -Active noise cancellation with dedicated mic

Other features

Other features — specifications for Galaxy A9 (2018), X20 Plus.
Specification	Galaxy A9 (2018)	X20 Plus
Dop	Sensors Fingerprint (rear-mounted) accelerometer gyro proximity compass - ANT+ -Fast battery charging - Samsung Pay - Also known as Samsung Galaxy A9 Star Pro Samsung Galaxy A9s Versions: SM-A920F/DS (Global); SM-A9200 (China)	Sensors Fingerprint (rear-mounted) accelerometer gyro proximity compass - Fast battery charging 5V/4.5A

Samsung Galaxy A9 (2018) vs vivo X20 Plus