Samsung Galaxy Note 3 Neo Duos (SM-N7502) vs Xiaomi Redmi Note 9 (128GB/4GB)

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Side by side comparison between Samsung Galaxy Note 3 Neo 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 Note 3 Neo Duos (SM-N7502) 05Points

Specifications Compare Models Pictures

5.5"
AMOLED

720x1280

8
MP

2.1mp

2GB
RAM

Quad-core

3100
mAh

(Removable)

22Points Xiaomi Redmi Note 9 (128GB/4GB) Compare Samsung Galaxy Note 3 Neo 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!

5 Advantages Samsung Galaxy Note 3 Neo Duos (SM-N7502)	vs	22 Advantages Xiaomi Redmi Note 9 (128GB/4GB)
+163 grams (5.71 ounces)22% Lighter	vs	199 grams (6.97 ounces)
+8.6 millimeters (0.34 inches)3% Thinner	vs	8.9 millimeters (0.35 inches)
+Super AMOLEDAdvantage Super AMOLED display is brighter and more vivid	vs	TFT IPS LCD
+Li-Ion: lithium-ion (Removable)Advantage Removable battery can be replaced easily	vs	LiPo: li-ion polymer (Non removable)
+DLNAAdvantage With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.	vs	Not supported
1.6GHz 32bit Quad-core	vs	+2GHz 64bit Octa-core (12nm)70% More powerful processor, you can open your applications faster
2GB LPDDR3	vs	+4GB LPDDR4X100% More RAM memory. Typically more responsive and better for multitasking.
16GB (11GB available)	vs	+128GB (106GB available)9 times More internal storage for applications and files
Until 64GB microSD, microSDXC	vs	+Until 512GB microSD, microSDXC7 times More external storage for files using memory cards
720x1280 pixels	vs	+1080x2340 pixels174% Higher resolution screen
267 PPI	vs	+395 PPI48% Crisper display of text, images and videos because it has more pixels per inch (ppi)
5.5"	vs	+6.53"19% Larger screen
(back) 8MP	vs	+(quad camera) 48MP + 8MP + 2MP + 2MP7 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/2.6 (aperture)	vs	+f/1.8 (aperture)44% Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
(front) 2.1MP	vs	+(front) 13MP5 times Higher resolution secondary camera to take pictures and selfies
Android 4.3 Jelly Bean	vs	+Android 11Advantage Android 11 is newer and safer
3G+ HSPA+	vs	+4G LTE-AAdvantage The 4G LTE-A network is newer and faster
(3G+ HSPA+) 21 Mbps	vs	+(4G LTE-A) 300 Mbps13 times Faster for surfing the internet and download files
Not supported	vs	+Face unlock 2DAdvantage Sensors help you use the device
Not supported	vs	+Fingerprint sensor (rear-mounted)Advantage Sensors help you use the device
3100 mAh	vs	+5020 mAh62% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
Not supported	vs	+FMAdvantage The radio lets you listen to your songs and sports in general
4.0 + A2DP	vs	+5.0 + A2DP/LEAdvantage Bluetooth 5.0 + A2DP/LE is newer and faster
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	+Gorilla Glass 5Advantage Protection against scratches on the screen lets you carry your phone with your keys
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

24 Common items in both devices

16 million

LED flash

Only digital zoom

Autofocus / PDAF: phase detection autofocus

BSI sensor

Full HD (1920x1080)

(front) Full HD (1920x1080)

+17 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 Note 3 Neo Duos (SM-N7502)	Redmi Note 9 (128GB/4GB)
Change model		Choose the model
Model	Galaxy Note 3 Neo Duos (SM-N7502)	Redmi Note 9 (128GB/4GB)
Other model names	Samsung Galaxy Note 3 Neo Dual Sim, Samsung SM-N7502	Mi Redmi Note 9 CX296VRD, CX296CIN, M2003J15SS/2003J15SC
Country or region available	feature not registered	Brazil, China, India
Brand	Samsung	Xiaomi
Release date	3/1/2014	5/12/2020, Announced: 4/30/2020
Depth	8.6 millimeters (0.34 inches)	8.9 millimeters (0.35 inches)
Size (width x height)	77.4 x 148.4 millimeters (3.05 x 5.84 in)	77.2 x 162.3 millimeters (3.04 x 6.39 in)
Weight	163 grams (5.71 ounces)	199 grams (6.97 ounces)
Build, materials	feature not registered	Plastic body, glass front
Protection against water and others	Not supported	Water repellent nano-coating (don't immerse)
📲 Display
	Galaxy Note 3 Neo Duos (SM-N7502)	Redmi Note 9 (128GB/4GB)
Display type	Super AMOLED	TFT IPS LCD
Screen size	5.5" inches	6.53" inches
Screen-to-body ratio	~72.6% (screen-to-body ratio)	~83.5% (screen-to-body ratio)
Display resolution	720x1280 pixels	1080x2340 pixels (19.5:9)
Touchscreen	Capacitive Multitouch 10-points	Capacitive Multitouch
Pixel density (dot pitch)	267 PPI	395 PPI
Colors	16 million	16 million
Scratch-resistant glass	Not supported	Gorilla Glass 5
Refresh rate	feature not registered	60Hz
Display features	feature not registered	450nits[typ]
🤖 Operating System
	Galaxy Note 3 Neo Duos (SM-N7502)	Redmi Note 9 (128GB/4GB)
System version	Android 4.3 Jelly Bean	Android 10
Firmware update	feature not registered	Android 11
User Interface	feature not registered	MIUI 11 / 12
⚙️ Processor
	Galaxy Note 3 Neo Duos (SM-N7502)	Redmi Note 9 (128GB/4GB)
Chipset	32bit: Qualcomm Snapdragon 400 MSM8228	64bit: MediaTek Helio G85 (12nm)
CPU	Quad-core, 1 processor: 4x 1.6GHz ARM Cortex-A7 (Quad-core)	Octa-core, 2 processors: 2x 2GHz ARM-Cortex-A75 (Dual-core) 6x 1.8GHz ARM-Cortex-A55 (Hexa-core)
GPU graphical controller	Qualcomm Adreno 305	ARM Mali-G52 MC2 (1GHz)
Performance (benchmark)	feature not registered	AnTuTu: 200451 (v8) Geekbench: 1292 (v5.1)
💽 Memory and storage
	Galaxy Note 3 Neo Duos (SM-N7502)	Redmi Note 9 (128GB/4GB)
RAM memory	2GB LPDDR3	4GB LPDDR4X
Internal storage	16GB (11GB available)	128GB (106GB available) eMMC 5.1
External storage	Until 64GB microSD, microSDXC (dedicated slot)	Until 512GB microSD, microSDXC (dedicated slot)
📶 Mobile networks
	Galaxy Note 3 Neo Duos (SM-N7502)	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) micro-SIM (3FF)	2 slots (Dual-SIM) nano-SIM (4FF)
Maximum Download / Upload	21/5.76 Mbps	300/150 Mbps
Network technology	2G, 3G	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	Not supported	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+	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	Not supported	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	GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
📷 Camera
	Galaxy Note 3 Neo Duos (SM-N7502)	Redmi Note 9 (128GB/4GB)
Back camera (main camera)	8 megapixels	(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	3264x2448 pixels	8000x6000 pixels
Video recording (primary)	Full HD (1920x1080) 30 fps	Full HD (1920x1080) 30 fps
Flash	LED flash	LED flash
Focal aperture	f/2.6 (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	feature not registered	EIS: Digital stabilization
Zoom	Only digital zoom	Only digital zoom
Face/smile detection	Face detection, Smile detection	Face detection, Smile detection
BSI sensor	Supported	Supported
HDR	HDR photo only main camera	HDR photo on both cameras
Camera extras	feature not registered	feature not registered
📸 Front camera
	Galaxy Note 3 Neo Duos (SM-N7502)	Redmi Note 9 (128GB/4GB)
Front camera (secondary)	2.1 megapixels	13 megapixels
Front camera resolution	1920x1080 pixels	4128x3096 pixels
Video recording (secondary)	Full HD (1920x1080)	Full HD (1920x1080)
Front flash	Not supported	Not supported
Focal aperture	feature not registered	f/2.3 (aperture)
Focal length	feature not registered	29mm (lens)
Sensor size	feature not registered	1/3.06" inches
Pixel size	feature not registered	1.12µm pixel
🔉 Sound and multimedia
	Galaxy Note 3 Neo Duos (SM-N7502)	Redmi Note 9 (128GB/4GB)
Loudspeaker	Supported	Mono sound (not stereo)
Active noise cancellation	2 microphones or more	2 microphones or more
Radio	Not supported	FM
TV	Not supported	Not supported
Video formats	MP4, H.264, H.263, WMV	MP4, H.265, H.264, H.263, XviD, MKV
Audio formats	MP3, WAV, WMA, eAAC+	MP3, WAV, WMA, eAAC+, FLAC
🔌 Connectivity
	Galaxy Note 3 Neo Duos (SM-N7502)	Redmi Note 9 (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	USB Type-C (reversible)
Bluetooth	4.0 + A2DP	5.0 + A2DP/LE
WiFi	802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) WiFi Direct, hotspot	802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot
DLNA	Supported	Not supported
GPS	A-GPS, GeoTagging, GLONASS	A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
NFC	Not supported	Not supported
Infrared port	Not supported	Supported
🧭 Sensors
	Galaxy Note 3 Neo Duos (SM-N7502)	Redmi Note 9 (128GB/4GB)
Sensors	Accelerometer Ambient light sensor Compass Gyroscope Proximity sensor	Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor
Vibrating alert	Supported	Supported
🔋 Battery
	Galaxy Note 3 Neo Duos (SM-N7502)	Redmi Note 9 (128GB/4GB)
Battery type	Li-Ion: lithium-ion (Removable)	LiPo: li-ion polymer (Non removable)
Battery capacity	3100 mAh	5020 mAh
Charger, watts	Wired charging	18W Wired fast charging 9W Reverse charging by cable
Inductive / wireless charging	feature not registered	Not supported
Talk time autonomy	18 hours	33 hours (1.4 days)
Standby	540 hours (22.5 days)	feature not registered
➕ Other features
	Galaxy Note 3 Neo Duos (SM-N7502)	Redmi Note 9 (128GB/4GB)
Call control	Voice dialing, Voice recorder, Voice commands	Voice dialing, Voice recorder, Voice commands
Messaging	SMS (Swype), 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, White, Green • Samsung TouchWiz UX • S Pen stylus • SoundAlive • S-Voice • ANT+ • Java framework	• Colors: Forest Green, Midnight Grey, Polar White • 22.5W charger (18W phone support)
☢️ Radiation rate
	Galaxy Note 3 Neo Duos (SM-N7502)	Redmi Note 9 (128GB/4GB)
SAR 1.6W/kg (USA, Mexico, etc.)	0.81W/kg (head), 1.45W/kg (body)	0.84W/kg (head), 0.9W/kg (body)
SAR 2W/kg (Europe, UK, etc.)	0.447W/kg (head), 0.424W/kg (body)	0.8W/kg (head), 1.14W/kg (body)