Samsung Galaxy J7 Duo (SM-J720F) vs Xiaomi Redmi Note 8 (128GB/4GB)

Share page: Facebook Twitter WhatsApp Share page:

Side by side comparison between Samsung Galaxy J7 Duo vs Xiaomi Redmi Note 8 phones, differences, pros, cons and full specifications. What's the better?

11/9/2019 5:21 PM, updated: 6/13/2022 6:34 PM

Compare Xiaomi Redmi Note 8 X Samsung Galaxy J7 Duo (SM-J720F) 08Points

Specifications Compare Models Pictures

5.5"
AMOLED

720x1280

13
MP

8mp

3GB
RAM

Octa-core

3000
mAh

(Removable)

20Points Xiaomi Redmi Note 8 (128GB/4GB) Compare Samsung Galaxy J7 Duo X

Specifications Compare Models Pictures

6.3"
IPS

1080x2340

48
MP

13mp

4GB
RAM

Octa-core

4000
mAh

(Non removable)

What's the better phone? Xiaomi Redmi Note 8 (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!

8 Advantages Samsung Galaxy J7 Duo (SM-J720F)	vs	20 Advantages Xiaomi Redmi Note 8 (128GB/4GB)
+174 grams (6.09 ounces)9% Lighter	vs	190 grams (6.65 ounces)
+8.2 millimeters (0.32 inches)2% Thinner	vs	8.35 millimeters (0.33 inches)
+Super AMOLEDAdvantage Super AMOLED display is brighter and more vivid	vs	TFT IPS LCD
+LED flash on both camerasAdvantage The LED flash on both cameras helps in dark places or in low light	vs	LED flash
+Android 10Advantage Android 10 is newer and safer	vs	Android 9.0 Pie
+ANT+Advantage Sensors help you use the device	vs	Not supported
+Li-Ion: lithium-ion (Removable)Advantage Removable battery can be replaced easily	vs	LiPo: li-ion polymer (Non removable)
+5.0 + A2DP/LEAdvantage Bluetooth 5.0 + A2DP/LE is newer and faster	vs	4.2 + A2DP
2.2GHz 64bit Octa-core (14nm)	vs	+2GHz 64bit Octa-core (11nm)24% More powerful processor, you can open your applications faster
3GB LPDDR4	vs	+4GB LPDDR4X33% More RAM memory. Typically more responsive and better for multitasking.
32GB (21GB available)	vs	+128GB (111GB available)4 times More internal storage for applications and files
Until 256GB microSD, microSDXC	vs	+Until 512GB microSD, microSDXC100% More external storage for files using memory cards
720x1280 pixels	vs	+1080x2340 pixels174% Higher resolution screen
267 PPI	vs	+409 PPI53% Crisper display of text, images and videos because it has more pixels per inch (ppi)
5.5"	vs	+6.3"15% Larger screen
(dual camera) 13MP + 5MP	vs	+(quad camera) 48MP + 8MP + 2MP + 2MP2 times Higher resolution main camera
HDR photo only main camera	vs	+HDR photo on both camerasAdvantage The HDR technology produced photos with more detail in dark areas
f/1.9 (aperture)	vs	+f/1.8 (aperture)6% Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
(front) 8MP	vs	+(front) 13MP60% Higher resolution secondary camera to take pictures and selfies
Full HD (1920x1080)	vs	+4K UHD (3840x2160)3 times More image quality for recording videos with the primary camera
(4G LTE) 150 Mbps	vs	+(4G LTE-A) 600 Mbps3 times Faster for surfing the internet and download files
Not supported	vs	+Ambient light sensorAdvantage Sensors help you use the device
Not supported	vs	+CompassAdvantage Sensors help you use the device
Not supported	vs	+GyroscopeAdvantage Sensors help you use the device
3000 mAh	vs	+4000 mAh33% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
1 slot (Single-SIM) (dedicated slot)	vs	+2 slots (Dual-SIM) (dedicated slot)Advantage You can have more mobile carriers/operators on the same device.
MicroUSB 2.0	vs	+Type-CAdvantage Reversible connector, you can stick in a USB-C cable any which way; either side is up.
Not supported	vs	+P2i certifiedAdvantage Protection against water allows you talk to your friends in the rain, for example

22 Common items in both devices

eMMC 5.1

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

60Hz

16 million

Only digital zoom

Autofocus / PDAF: phase detection autofocus

EIS: Digital stabilization

+15 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 J7 Duo (SM-J720F)	Redmi Note 8 (128GB/4GB)
Change model		Choose the model
Model	Galaxy J7 Duo (SM-J720F)	Redmi Note 8 (128GB/4GB)
Other model names	Galaxy J7 Duo J720F Single-Sim, Samsung J720	Mi Redmi Note 8 (4GB RAM) M1908C3JG, M1908C3JE, M1908C3JH
Country or region available	South Africa, United Arab Emirates	(Global, International)
Brand	Samsung	Xiaomi
Release date	4/1/2018	9/26/2019
Depth	8.2 millimeters (0.32 inches)	8.35 millimeters (0.33 inches)
Size (width x height)	77.2 x 153.5 millimeters (3.04 x 6.04 in)	75.3 x 158.3 millimeters (2.96 x 6.23 in)
Weight	174 grams (6.09 ounces)	190 grams (6.65 ounces)
Build, materials	Plastic body, glass front	Plastic body, glass front/back
Protection against water and others	Not supported	P2i certified: water repellent nano-coating
📲 Display
	Galaxy J7 Duo (SM-J720F)	Redmi Note 8 (128GB/4GB)
Display type	Super AMOLED	TFT IPS LCD
Screen size	5.5" inches	6.3" inches
Screen-to-body ratio	~70.4% (screen-to-body ratio)	~81.7% (screen-to-body ratio)
Display resolution	720x1280 pixels (16:9)	1080x2340 pixels (19.5:9)
Touchscreen	Capacitive Multitouch	Capacitive Multitouch
Pixel density (dot pitch)	267 PPI	409 PPI
Colors	16 million	16 million
Scratch-resistant glass	Gorilla Glass	Gorilla Glass 5
Refresh rate	60Hz	60Hz
Display features	Not supported	Not supported
🤖 Operating System
	Galaxy J7 Duo (SM-J720F)	Redmi Note 8 (128GB/4GB)
System version	Android 8.0 Oreo	Android 9.0 Pie
Firmware update	Android 10	feature not registered
User Interface	One UI 2.0	feature not registered
⚙️ Processor
	Galaxy J7 Duo (SM-J720F)	Redmi Note 8 (128GB/4GB)
Chipset	64bit: Samsung Exynos 7885 (14nm)	64bit: Qualcomm Snapdragon 665 (SM6125) (11nm)
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: 4x 2GHz Kryo 260 Gold (Quad-core) 4x 1.8GHz Kryo 260 Silver (Quad-core)
GPU graphical controller	ARM Mali-G71 MP2	Qualcomm Adreno 610
Performance (benchmark)	AnTuTu: 98104 (v7)	feature not registered
💽 Memory and storage
	Galaxy J7 Duo (SM-J720F)	Redmi Note 8 (128GB/4GB)
RAM memory	3GB LPDDR4	4GB LPDDR4X
Internal storage	32GB (21GB available) eMMC 5.1	128GB (111GB available) eMMC 5.1
External storage	Until 256GB microSD, microSDXC (dedicated slot)	Until 512GB microSD, microSDXC (dedicated slot)
📶 Mobile networks
	Galaxy J7 Duo (SM-J720F)	Redmi Note 8 (128GB/4GB)
Dual-SIM	Not supported	Dual-SIM Standby - Call active on one sim card (dedicated slot)
SIM card	1 slot (Single-SIM) micro-SIM (3FF)	2 slots (Dual-SIM) nano-SIM (4FF)
Maximum Download / Upload	150/50 Mbps	600/150 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	M1908C3JG version: UMTS 850/900/1700/1900/2100 M1908C3JE, M1908C3JH versions: UMTS 850/900/1900/2100
Primary 4G network	LTE Cat4 (1, 3, 5, 7, 8, 20) TD-LTE (38, 40, 41)	LTE Cat12/13 VoLTE M1908C3JG version: LTE (Bands 1, 2, 3, 4, 5, 7, 8, 20, 28) TD-LTE (Bands 38, 40) M1908C3JE, M1908C3JH versions: LTE (Bands 1, 3, 5, 8) TD-LTE (Bands 40, 41)
Primary 5G network	Not supported	Not supported
Primary data network	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
Secondary 2G network	Not supported	GSM 850/900/1800/1900
Secondary 3G network	Not supported	Not supported
Secondary 4G network	Not supported	Not supported
Secondary data network	Not supported	GPRS, EDGE
📷 Camera
	Galaxy J7 Duo (SM-J720F)	Redmi Note 8 (128GB/4GB)
Back camera (main camera)	(dual camera) 13 megapixels 5MP depth f/1.9	(quad camera) 48 megapixels 8MP ultrawide f/2.213mm1/4"1.12µm 2MP macro f/2.41/5"1.75µm 2MP depth f/2.41/5"1.75µm
Main camera resolution	4128x3096 pixels	8000x6000 pixels
Video recording (primary)	Full HD (1920x1080) 30 fps	4K UHD (3840x2160) 30 fps
Flash	LED flash on both cameras	LED flash
Focal aperture	f/1.9 (aperture)	f/1.8 (aperture)
Focal length	feature not registered	26mm lens
Sensor size	feature not registered	1/2" inches
Pixel size	feature not registered	0.8µm pixel
Autofocus	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	Not supported
HDR	HDR photo only main camera	HDR photo on both cameras
Camera extras	feature not registered	feature not registered
📸 Front camera
	Galaxy J7 Duo (SM-J720F)	Redmi Note 8 (128GB/4GB)
Front camera (secondary)	8 megapixels	13 megapixels
Front camera resolution	3264x2448 pixels	4128x3096 pixels
Video recording (secondary)	Full HD (1920x1080)	Full HD (1920x1080)
Front flash	LED	Not supported
Focal aperture	f/1.9 (aperture)	f/2.0 (aperture)
Focal length	feature not registered	feature not registered
Sensor size	feature not registered	feature not registered
Pixel size	feature not registered	1.12µm pixel
🔉 Sound and multimedia
	Galaxy J7 Duo (SM-J720F)	Redmi Note 8 (128GB/4GB)
Loudspeaker	Mono sound (not stereo)	Supported
Active noise cancellation	Not supported	2 microphones or more
Radio	FM	FM
TV	Not supported	Not supported
Video formats	MP4, 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 J7 Duo (SM-J720F)	Redmi Note 8 (128GB/4GB)
USB	MicroUSB 2.0	USB 2.0 Type-C, USB OTG On-The-Go
Audio output	3.5mm jack	3.5mm jack
TV output	Not supported	Not supported
Bluetooth	5.0 + A2DP/LE	4.2 + A2DP
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 J7 Duo (SM-J720F)	Redmi Note 8 (128GB/4GB)
Sensors	Accelerometer ANT+ Face unlock Fingerprint sensor (front-mounted) Proximity sensor	Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Galaxy J7 Duo (SM-J720F)	Redmi Note 8 (128GB/4GB)
Battery type	Li-Ion: lithium-ion (Removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	3000 mAh	4000 mAh
Charger, watts	Wired charging	18W Wired fast charging
Inductive / wireless charging	Not supported	feature not registered
Talk time autonomy	20 hours	feature not registered
Standby	feature not registered	feature not registered
➕ Other features
	Galaxy J7 Duo (SM-J720F)	Redmi Note 8 (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, Gold, Rose Gold, White • Samsung Pay	• Colors: Space Black, Moonlight White, Neptune Blue • MIUI 10
☢️ Radiation rate
	Galaxy J7 Duo (SM-J720F)	Redmi Note 8 (128GB/4GB)
SAR 1.6W/kg (USA, Mexico, etc.)	feature not registered	feature not registered
SAR 2W/kg (Europe, UK, etc.)	0.543W/kg (head), 1.397W/kg (body)	feature not registered