Samsung Galaxy A9 (2018) vs Xiaomi Redmi Note 3 Pro: 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

Galaxy A9 (2018):

OLED

Redmi Note 3 Pro:

LCD
Weight

Redmi Note 3 Pro: 19 g lighter

Galaxy A9 (2018):

183 g

Redmi Note 3 Pro:

164 g
Width

Redmi Note 3 Pro: 1 mm narrower

Galaxy A9 (2018):

77 mm

Redmi Note 3 Pro:

76 mm
Screen diagonal

Redmi Note 3 Pro: 0.8 in smaller diagonal

Galaxy A9 (2018):

6.3 in

Redmi Note 3 Pro:

5.5 in
Chipset

Galaxy A9 (2018):

Qualcomm SDM660 Snapdragon 660 (14 nm)

Redmi Note 3 Pro:

Qualcomm MSM8956 Snapdragon 650
Rear camera layout

Galaxy A9 (2018):

Quad

Redmi Note 3 Pro:

Single

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 +12.5 mm versus Redmi Note 3 Pro
Width:

77 mm +1 mm versus Redmi Note 3 Pro
Depth:

7.8 mm
2. Redmi Note 3 Pro

Height:

150 mm
Width:

76 mm
Depth:

8.7 mm +0.9 mm versus Galaxy A9 (2018)

Weight

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

1. Galaxy A9 (2018)

183 g

+19 g versus Redmi Note 3 Pro
2. Redmi Note 3 Pro

164 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. Redmi Note 3 Pro

Screen diagonal:

5.5 in

Aspect ratio (height:width):

16:9

Approximate rectangular screen area:

83.4 cm²

Galaxy A9 (2018) has approximately 20.8% more rectangular screen area than Redmi Note 3 Pro.

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

Redmi Note 3 Pro: Original memory entry

16 GB · 2 GB RAM - Standard version32 GB · 3 GB RAM - High/Special version

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. Redmi Note 3 Pro

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. Redmi Note 3 Pro

4050 mAh

+250 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. Redmi Note 3 Pro

Everyday essentials

Everyday essentials — specifications for Galaxy A9 (2018), Redmi Note 3 Pro.
Specification	Galaxy A9 (2018)	Redmi Note 3 Pro
Dimensions (HxWxD)	162.5 Х 77 Х 7.8 mm	150 Х 76 Х 8.7 mm
Weight	183 g	164 g
Technology	Super AMOLED	IPS LCD
Screen size	6.3" inch	5.5" inch
Screen resolution	1080 x 2220 px	1080 x 1920 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	16 GB 2 GB RAM - Standard version32 GB 3 GB RAM - High/Special version
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	4050 mAh Non-removable Li-Po
Operating system OS	Android 8.0 (Oreo) planned upgrade to Android 9.0 (Pie)	Android 5.1.1 (Lollipop) upgradable to 6.0.1 (Marshmallow); MIUI 9.5
Chipset	Qualcomm SDM660 Snapdragon 660 (14 nm)	Qualcomm MSM8956 Snapdragon 650
NFC	Yes	Unknown
Headphone jack	Yes	Yes

Display

Display — specifications for Galaxy A9 (2018), Redmi Note 3 Pro.
Specification	Galaxy A9 (2018)	Redmi Note 3 Pro
Touchscreen	capacitive touchscreen	capacitive touchscreen
Display colors	16M	16M
Screen area	100.2 cm2	82.6 cm2
Screen format	18.5:9 (height:width)	16:9 (height:width)
Screen to body ratio	80.1%	72.4%
PPI /points per inch/	393 PPI	403 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), Redmi Note 3 Pro.
Specification	Galaxy A9 (2018)	Redmi Note 3 Pro
Rear camera, main	24 MP Quad	16 MP Single
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	16 MP PDAF f/2.0
Functions	HDR	Dual-LED dual-tone flash HDR panorama
Video	1080p@30fps	1080p@30fps
Front camera, selfie	24 MP Single	5 MP Single
Specifications	24 MP f/2.0 27mm (wide) 1/2.8'' 0.9μm	5 MP f/2.0
DxOMark Main Score *	88	Unknown
DxOMark Photo *	93	Unknown
DxOMark Video *	77	Unknown

Performance

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

Performance — specifications for Galaxy A9 (2018), Redmi Note 3 Pro.
Specification	Galaxy A9 (2018)	Redmi Note 3 Pro
Processor CPU	Octa-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260)	Hexa-core (4x1.4 GHz Cortex-A53 & 2x1.8 GHz Cortex-A72)
Graphics processor GPU	Adreno 512	Adreno 510
Antutu 7 score *	142728	91785
GeekBench 4 Single Core *	Unknown	1392
GeekBench 4 Multi-Core *	Unknown	3301
GeekBench 5 Single Core *	300	Unknown
GeekBench 5 Multi-Core *	1336	Unknown

General specs

General specs — specifications for Galaxy A9 (2018), Redmi Note 3 Pro.
Specification	Galaxy A9 (2018)	Redmi Note 3 Pro
Release date	2018 October	2016 January
Colors	Caviar Black Lemonade Blue Bubblegum Pink	Silver Gray Gold
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.	600 EUR	160 EUR
Body build	Unknown	aluminum body

Communication and Connectivity

Communication and Connectivity — specifications for Galaxy A9 (2018), Redmi Note 3 Pro.
Specification	Galaxy A9 (2018)	Redmi Note 3 Pro
SIM card	Dual SIM (Nano-SIM dual stand-by)	Hybrid Dual SIM (Micro-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 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - Global HSDPA 850 / 900 / 1900 / 2100 - Special edition (Taiwan) -4G - LTE band 1(2100) 3(1800) 5(850) 7(2600) 8(900) 38(2600) 39(1900) 40(2300) 41(2500) - Global LTE band 1(2100) 2(1900) 4(1700/2100) 20(800) 28(700) 40(2300) - Special edition (Taiwan)
Speed	HSPA 42.2/5.76 Mbps LTE-A (3CA) Cat9 450/50 Mbps	HSPA 42.2/5.76 Mbps LTE-A 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 GLONASS BDS
USB	2.0 Type-C 1.0 reversible connector	microUSB 2.0 USB On-The-Go
Bluetooth	5.0 A2DP LE	4.1 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)	SAR - 1.26 W/kg (head) SAR EU - 0.56 W/kg (head)

Music and Audio

Music and Audio — specifications for Galaxy A9 (2018), Redmi Note 3 Pro.
Specification	Galaxy A9 (2018)	Redmi Note 3 Pro
Radio	FM radio	Stereo FM radio recording
Others	Active noise cancellation with dedicated mic -Dolby Atmos	24-bit/192kHz audio -Active noise cancellation with dedicated mic

Other features

Other features — specifications for Galaxy A9 (2018), Redmi Note 3 Pro.
Specification	Galaxy A9 (2018)	Redmi Note 3 Pro
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 Infrared port - Fast battery charging - Also known as Xiaomi Redmi Note 3 Pro

Samsung Galaxy A9 (2018) vs Xiaomi Redmi Note 3 Pro