Samsung Galaxy A7 2018 (SM-A750F/DS 128GB/4GB) vs Xiaomi Redmi Note 9 (128GB/4GB)

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Side by side comparison between Samsung Galaxy A7 (2018) vs Xiaomi Redmi Note 9 phones, differences, pros, cons and full specifications. What's the better?

8/4/2020 2:52 PM, updated: 1/19/2023 2:42 AM

Compare Xiaomi Redmi Note 9 X Samsung Galaxy A7 2018 (SM-A750F/DS 128GB/4GB) 07Points

Specifications Compare Models Pictures

6"
AMOLED

1080x2220

24
MP

24mp

4GB
RAM

Octa-core

3300
mAh

(Non removable)

10Points Xiaomi Redmi Note 9 (128GB/4GB) Compare Samsung Galaxy A7 (2018) X

Specifications Compare Models Pictures

6.53"
IPS

1080x2340

48
MP

13mp

4GB
RAM

Octa-core

5020
mAh

(Non removable)

What's the better phone? Xiaomi Redmi Note 9 (128GB/4GB)

The phonemore's choice is much more technical than personal. Therefore, you shouldn't only consider this. Our goal is to help you, but what's important to us may not be important to you. You decide which one is the best! Comment!

7 Advantages Samsung Galaxy A7 2018 (SM-A750F/DS 128GB/4GB)	vs	10 Advantages Xiaomi Redmi Note 9 (128GB/4GB)
+168 grams (5.88 ounces)18% Lighter	vs	199 grams (6.97 ounces)
+7.5 millimeters (0.3 inches)19% Thinner	vs	8.9 millimeters (0.35 inches)
+Super AMOLEDAdvantage Super AMOLED display is brighter and more vivid	vs	TFT IPS LCD
+411 PPI4% Crisper display of text, images and videos because it has more pixels per inch (ppi)	vs	395 PPI
+f/1.7 (aperture)6% Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.	vs	f/1.8 (aperture)
+(front) 24MP88% Higher resolution secondary camera to take pictures and selfies	vs	(front) 13MP
+ANT+Advantage Sensors help you use the device	vs	Not supported
2.2GHz 64bit Octa-core (14nm)	vs	+2GHz 64bit Octa-core (12nm)18% More powerful processor, you can open your applications faster
1080x2220 pixels	vs	+1080x2340 pixels5% Higher resolution screen
6"	vs	+6.53"9% Larger screen
(triple camera) 24MP + 8MP + 5MP	vs	+(quad camera) 48MP + 8MP + 2MP + 2MP62% Higher resolution main camera
1/2.8" inches	vs	+1/2" inches40% The larger sensor camera lets you take photos with better depth.
Android 10	vs	+Android 11Advantage Android 11 is newer and safer
3300 mAh	vs	+5020 mAh52% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
7.75W	vs	+18W132% More power (watts) to charge the battery faster. Sometimes, the charger that comes with the device doesn't have the same power supported by the device. Check before you buy it.
MicroUSB 2.0, USB OTG On-The-Go	vs	+Type-CAdvantage Reversible connector, you can stick in a USB-C cable any which way; either side is up.
Not supported	vs	+Water repellent nano-coating (don't immerse)Advantage Protection against water allows you talk to your friends in the rain, for example

36 Common items in both devices

4GB LPDDR4X

128GB (108GB available) / 128GB (106GB available)

eMMC 5.1

Until 1TB microSD, microSDXC / Until 512GB microSD, microSDXC

Plastic body, glass front/back / Plastic body, glass front

60Hz

16 million

+29 specs and more in the table below

Check the comparison table below for more items that are not evaluated in comparison score above.

Highlight differences

📱 Model features
	Galaxy A7 2018 (SM-A750F/DS 128GB/4GB)	Redmi Note 9 (128GB/4GB)
Change model		Choose the model
Model	Galaxy A7 2018 (SM-A750F/DS 128GB/4GB)	Redmi Note 9 (128GB/4GB)
Other model names	Galaxy A7 SM-A750F/Dual-Sim (128GB + 4GB RAM)	Mi Redmi Note 9 CX296VRD, CX296CIN, M2003J15SS/2003J15SC
Country or region available	Pakistan	Brazil, China, India
Brand	Samsung	Xiaomi
Release date	10/1/2018, Announced: 9/20/2018	5/12/2020, Announced: 4/30/2020
Depth	7.5 millimeters (0.3 inches)	8.9 millimeters (0.35 inches)
Size (width x height)	76.8 x 159.8 millimeters (3.02 x 6.29 in)	77.2 x 162.3 millimeters (3.04 x 6.39 in)
Weight	168 grams (5.88 ounces)	199 grams (6.97 ounces)
Build, materials	Plastic body, glass front/back	Plastic body, glass front
Protection against water and others	Not supported	Water repellent nano-coating (don't immerse)
📲 Display
	Galaxy A7 2018 (SM-A750F/DS 128GB/4GB)	Redmi Note 9 (128GB/4GB)
Display type	Super AMOLED	TFT IPS LCD
Screen size	6" inches	6.53" inches
Screen-to-body ratio	~74.4% (screen-to-body ratio)	~83.5% (screen-to-body ratio)
Display resolution	1080x2220 pixels (18.5:9)	1080x2340 pixels (19.5:9)
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	411 PPI	395 PPI
Colors	16 million	16 million
Scratch-resistant glass	Gorilla Glass 3	Gorilla Glass 5
Refresh rate	60Hz	60Hz
Display features	Always-On Display	450nits[typ]
🤖 Operating System
	Galaxy A7 2018 (SM-A750F/DS 128GB/4GB)	Redmi Note 9 (128GB/4GB)
System version	Android 8.0 Oreo	Android 10
Firmware update	Android 10	Android 11
User Interface	One UI 2.0	MIUI 11 / 12
⚙️ Processor
	Galaxy A7 2018 (SM-A750F/DS 128GB/4GB)	Redmi Note 9 (128GB/4GB)
Chipset	64bit: Samsung Exynos 7885 (14nm)	64bit: MediaTek Helio G85 (12nm)
CPU	Octa-core, 2 processors: 2x 2.2GHz ARM Cortex-A73 (Dual-core) 6x 1.6GHz ARM Cortex-A53 (Hexa-core)	Octa-core, 2 processors: 2x 2GHz ARM-Cortex-A75 (Dual-core) 6x 1.8GHz ARM-Cortex-A55 (Hexa-core)
GPU graphical controller	ARM Mali-G71 MP2	ARM Mali-G52 MC2 (1GHz)
Performance (benchmark)	AnTuTu: 123883 (v7) Geekbench: 4446 (v4.4) GFXBench: 5.7fps (ES 3.1 onscreen)	AnTuTu: 200451 (v8) Geekbench: 1292 (v5.1)
💽 Memory and storage
	Galaxy A7 2018 (SM-A750F/DS 128GB/4GB)	Redmi Note 9 (128GB/4GB)
RAM memory	4GB LPDDR4X	4GB LPDDR4X
Internal storage	128GB (108GB available) eMMC 5.1	128GB (106GB available) eMMC 5.1
External storage	Until 1TB microSD, microSDXC (dedicated slot)	Until 512GB microSD, microSDXC (dedicated slot)
📶 Mobile networks
	Galaxy A7 2018 (SM-A750F/DS 128GB/4GB)	Redmi Note 9 (128GB/4GB)
Dual-SIM	Dual-SIM Standby - Call active on one sim card (dedicated slot)	Dual-SIM Standby - Call active on one sim card (dedicated slot)
SIM card	2 slots (Dual-SIM) nano-SIM (4FF)	2 slots (Dual-SIM) nano-SIM (4FF)
Maximum Download / Upload	300/50 Mbps	300/150 Mbps
Network technology	2G, 3G, 4G	2G, 3G, 4G
Frequency, bands	Expand band details Collapse details
GSM MHz band	Quad-Band 850/900/1800/1900	Quad-Band 850/900/1800/1900
Primary 2G network	GSM 850/900/1800/1900	GSM 850/900/1800/1900
Primary 3G network	UMTS 850/900/1900/2100	UMTS 850/900/1700/1900/2100
Primary 4G network	LTE Cat6 (Bands 1, 3, 5, 7, 8, 20) TD-LTE (Bands 38, 40, 41)	LTE Cat7 (1, 2, 3, 4, 5, 7, 8, 20, 28) TD-LTE (38, 40, 41) VoLTE
Primary 5G network	Not supported	Not supported
Primary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
Secondary 2G network	GSM 850/900/1800/1900	GSM 850/900/1800/1900
Secondary 3G network	UMTS 850/900/1900/2100	UMTS 850/900/1700/1900/2100
Secondary 4G network	Not supported	LTE Cat7 (1, 2, 3, 4, 5, 7, 8, 20, 28) TD-LTE (38, 40, 41) VoLTE
Secondary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
📷 Camera
	Galaxy A7 2018 (SM-A750F/DS 128GB/4GB)	Redmi Note 9 (128GB/4GB)
Back camera (main camera)	(triple camera) 24 megapixels 8MP ultrawide f/2.418mm1/4"1.12µm 5MP depth f/2.2	(quad camera) 48 megapixels 8MP ultrawide f/2.213mm1/4"1.12µm118° 2MP macro f/2.41.75µmAF 2MP depth f/2.41/5"1.7µm
Main camera resolution	5656x4242 pixels	8000x6000 pixels
Video recording (primary)	Full HD (1920x1080) 30 fps	Full HD (1920x1080) 30 fps
Flash	LED flash	LED flash
Focal aperture	f/1.7 (aperture)	f/1.8 (aperture)
Focal length	27mm lens	26mm lens
Sensor size	1/2.8" inches	1/2" inches
Pixel size	0.9µm pixel	0.8µm pixel
Autofocus	PDAF: phase detection autofocus	PDAF: phase detection autofocus
Touch focus	Supported	Supported
Image stabilization	EIS: Digital stabilization	EIS: Digital stabilization
Zoom	Only digital zoom	Only digital zoom
Face/smile detection	Face detection, Smile detection	Face detection, Smile detection
BSI sensor	Not supported	Supported
HDR	HDR photo on both cameras	HDR photo on both cameras
Camera extras	1080p@240fps slow motion 720p@960fps slow motion	feature not registered
📸 Front camera
	Galaxy A7 2018 (SM-A750F/DS 128GB/4GB)	Redmi Note 9 (128GB/4GB)
Front camera (secondary)	24 megapixels	13 megapixels
Front camera resolution	5656x4242 pixels	4128x3096 pixels
Video recording (secondary)	Full HD (1920x1080)	Full HD (1920x1080)
Front flash	Not supported	Not supported
Focal aperture	f/2.0 (aperture)	f/2.3 (aperture)
Focal length	26mm lens	29mm lens
Sensor size	1/2.8" inches	1/3.06" inches
Pixel size	0.9µm pixel	1.12µm pixel
🔉 Sound and multimedia
	Galaxy A7 2018 (SM-A750F/DS 128GB/4GB)	Redmi Note 9 (128GB/4GB)
Loudspeaker	Mono sound (not stereo) Dolby Atmos	Mono sound (not stereo)
Active noise cancellation	2 microphones or more	2 microphones or more
Radio	FM	FM
TV	Not supported	Not supported
Video formats	MP4, H.265, H.264, H.263, XviD, MKV	MP4, H.265, H.264, H.263, XviD, MKV
Audio formats	MP3, WAV, WMA, eAAC+, FLAC	MP3, WAV, WMA, eAAC+, FLAC
🔌 Connectivity
	Galaxy A7 2018 (SM-A750F/DS 128GB/4GB)	Redmi Note 9 (128GB/4GB)
USB	MicroUSB 2.0, USB OTG On-The-Go	USB 2.0 Type-C, USB OTG On-The-Go
Audio output	3.5mm jack	3.5mm jack
TV output	Not supported	USB Type-C (reversible)
Bluetooth	5.0 + A2DP/LE	5.0 + A2DP/LE
WiFi	802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot	802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot
DLNA	Not supported	Not supported
GPS	A-GPS, GeoTagging, GLONASS, BeiDou	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
NFC	Not supported	Not supported
Infrared port	Not supported	Supported
🧭 Sensors
	Galaxy A7 2018 (SM-A750F/DS 128GB/4GB)	Redmi Note 9 (128GB/4GB)
Sensors	Accelerometer Ambient light sensor ANT+ Compass Face unlock Fingerprint sensor (side-mounted) Gyroscope Hall effect Proximity sensor	Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Galaxy A7 2018 (SM-A750F/DS 128GB/4GB)	Redmi Note 9 (128GB/4GB)
Battery type	LiPo: li-ion polymer (Non removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	3300 mAh	5020 mAh
Charger, watts	7.75W (5V/1.55A) Wired charging	18W Wired fast charging 9W Reverse charging by cable
Inductive / wireless charging	Not supported	Not supported
Talk time autonomy	19 hours	33 hours (1.4 days)
Standby	feature not registered	feature not registered
➕ Other features
	Galaxy A7 2018 (SM-A750F/DS 128GB/4GB)	Redmi Note 9 (128GB/4GB)
Call control	Voice dialing, Voice recorder	Voice dialing, Voice recorder, Voice commands
Messaging	SMS (T9), MMS, E-mail, Push mail	SMS (T9), MMS, E-mail, Push mail
Hands-free calling	Supported	Supported
Video calling	Supported	Supported
Ringtones	Polyphonic and customized	Polyphonic and customized
Web browser	HTML, XHTML, HTML5	HTML, XHTML, HTML5
Antenna	Internal antenna	Internal antenna
Qwerty physical keyboard	Not supported	Not supported
Miscellaneous	• Colors: Black, Blue, Gold, Pink	• Colors: Forest Green, Midnight Grey, Polar White • 22.5W charger (18W phone support)
☢️ Radiation rate
	Galaxy A7 2018 (SM-A750F/DS 128GB/4GB)	Redmi Note 9 (128GB/4GB)
SAR 1.6W/kg (USA, Mexico, etc.)	feature not registered	0.84W/kg (head), 0.9W/kg (body)
SAR 2W/kg (Europe, UK, etc.)	0.335W/kg (head), 1.425W/kg (body)	0.8W/kg (head), 1.14W/kg (body)