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Samsung Rex 70 (S3802) vs Xiaomi Redmi 9 (128GB/6GB)

Side by side comparison between Samsung Rex 70 vs Xiaomi Redmi 9 phones, differences, pros, cons and full specifications. What's the better?

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Compare Xiaomi Redmi 9 X Samsung Rex 70 (S3802) 02Points
3"
TFT

240x320

2
MP
N/A
1000
mAh

(Removable)

vs
28Points Xiaomi Redmi 9 (128GB/6GB) Compare Samsung Rex 70 X
6.53"
IPS

1080x2340

13
MP

8mp

6GB
RAM

Octa-core

5020
mAh

(Non removable)

What's the better phone? Xiaomi Redmi 9 (128GB/6GB)

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!

Rex 70 (S3802)} 2 Advantages Samsung Rex 70 (S3802) vs Redmi 9 (128GB/6GB)} 28 Advantages Xiaomi Redmi 9 (128GB/6GB)
+89 grams (3.12 ounces)122%
Lighter
vs198 grams (6.93 ounces)
+Li-Ion: lithium-ion (Removable)Advantage
Removable battery can be replaced easily
vsLiPo: li-ion polymer (Non removable)
10MBvs+128GB (106GB available)10853 times
More internal storage for applications and files
Until 32GB microSD, microSDHCvs+Until 512GB microSD, microSDXC15 times
More external storage for files using memory cards
12 millimeters (0.47 inches)vs+9.1 millimeters (0.36 inches)32%
Thinner
TFT LCDvs+TFT IPS LCDAdvantage
TFT IPS LCD display is brighter and more vivid
65 thousandvs+16 million245 times
More colors on the screen is better quality images and videos
240x320 pixelsvs+1080x2340 pixels32 times
Higher resolution screen
133 PPIvs+395 PPI197%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
3"vs+6.53"118%
Larger screen
(back) 2MPvs+(quad camera) 13MP + 8MP + 5MP + 2MP13 times
Higher resolution main camera
Not supportedvs+LED flashAdvantage
The LED flash helps in dark places or in low light
Not supportedvs+PDAF: phase detection autofocusAdvantage
Best autofocus type for taking pictures
Not supportedvs+(front) 8MPAdvantage
A front-camera is best for taking selfies
Supportedvs+Full HD (1920x1080)Advantage
More image quality for recording videos with the primary camera
10 appsvs+3500000 apps (Google Play Store)349999 times
More apps available to download and use
2G EDGEvs+4G LTE-AAdvantage
The 4G LTE-A network is newer and faster
(2G EDGE) 0.236 Mbpsvs+(4G LTE-A) 300 Mbps1270 times
Faster for surfing the internet and download files
Not supportedvs+AccelerometerAdvantage
Sensors help you use the device
Not supportedvs+Ambient light sensorAdvantage
Sensors help you use the device
Not supportedvs+CompassAdvantage
Sensors help you use the device
Not supportedvs+Face unlock 2DAdvantage
Sensors help you use the device
Not supportedvs+Fingerprint sensor (rear-mounted)Advantage
Sensors help you use the device
1000 mAhvs+5020 mAh4 times
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
Not supportedvs+Video callingAdvantage
The video calling allows to make calls with voice and video
Not supportedvs+A-GPS, GeoTagging, GLONASS, BeiDouAdvantage
It's harder to lose yourself in the city with GPS on your device
802.11 b/g/n [wifi4]vs+802.11 a/b/g/n/ac [wifi5]Advantage
WiFi 802.11 a/b/g/n/ac [wifi5] is newer and faster
3.0vs+5.0 + A2DP/LEAdvantage
Bluetooth 5.0 + A2DP/LE is newer and faster
MicroUSB 2.0vs+Type-CAdvantage
Reversible connector, you can stick in a USB-C cable any which way; either side is up.
Not supportedvs+Gorilla Glass 3Advantage
Protection against scratches on the screen lets you carry your phone with your keys

10 Common items in both devices
Only digital zoom
Capacitive
Multitouch
Proximity sensor
Hands-free calling
Vibrating alert
2 slots (Dual-SIM)
+3 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 Clear highlight

📱 Model features

Samsung Rex 70 (S3802)Redmi 9 (128GB/6GB)
Change model 
ModelRex 70 (S3802)Redmi 9 (128GB/6GB)
Other model namesSamsung Rex 70 Duos S3802 for India marketXiaomi Redmi 9 M2004J19C
Country or region availableIndia
India
China
China
BrandSamsungXiaomi
Release date3/1/20136/10/2020
Depth12 millimeters (0.47 inches)9.1 millimeters (0.36 inches)
Size (width x height)57.2 x 104.9 millimeters (2.25 x 4.13 in)77.01 x 163.32 millimeters (3.03 x 6.43 in)
Weight89 grams (3.12 ounces)198 grams (6.93 ounces)
Build, materialsfeature not registeredPlastic body, glass front
Protection against water and othersNot supportedNot supported

📲 Display

Samsung Rex 70 (S3802)Redmi 9 (128GB/6GB)
Display typeTFT LCDTFT IPS LCD
Screen size3" inches6.53" inches
Screen-to-body ratio~46.4% (screen-to-body ratio)~83.2% (screen-to-body ratio)
Display resolution240x320 pixels1080x2340 pixels (19.5:9)
TouchscreenCapacitive MultitouchCapacitive Multitouch
Pixel density (dot pitch)133 PPI395 PPI
Colors65 thousand16 million
Scratch-resistant glassNot supportedGorilla Glass 3
Refresh ratefeature not registered60Hz
Display featuresfeature not registered400nits[typ]

🤖 Operating System

Samsung Rex 70 (S3802)Redmi 9 (128GB/6GB)
System versionProprietary OSAndroid 10
Firmware updatefeature not registeredAndroid 11
User Interfacefeature not registeredMIUI 12

⚙️ Processor

Samsung Rex 70 (S3802)Redmi 9 (128GB/6GB)
Chipset32bit64bit: MediaTek Helio G80 (MT6769V/CU) (12nm)
CPUSingle-core, 1 processor:
Single-core XMM 2250m (Single-core)
Octa-core, 2 processors:
2x 2GHz ARM Cortex-A75 (Dual-core)
6x 1.8GHz ARM Cortex-A55 (Hexa-core)
GPU graphical controllerfeature not registeredARM Mali-G52 MC2 (950MHz)
Performance (benchmark)feature not registeredAnTuTu: 201829 (v8)
Geekbench: 1325 (v5.1)

💽 Memory and storage

Samsung Rex 70 (S3802)Redmi 9 (128GB/6GB)
RAM memoryfeature not registered6GB LPDDR4X
Internal storage10MB128GB (106GB available)
eMMC 5.1
External storageUntil 32GB microSD, microSDHC
(dedicated slot)
Until 512GB microSD, microSDXC
(dedicated slot)

📶 Mobile networks

Samsung Rex 70 (S3802)Redmi 9 (128GB/6GB)
Dual-SIMDual-SIM Standby - Call active on one sim card
(dedicated slot)
Dual-SIM Standby - Call active on one sim card
(dedicated slot)
SIM card2 slots (Dual-SIM)
Standard mini-SIM (2FF)
2 slots (Dual-SIM)
nano-SIM (4FF)
Maximum Download / Upload0.236 Mbps300/50 Mbps
Network technology2G2G, 3G, 4G
Frequency, bands Expand band details Collapse details
GSM MHz bandQuad-Band 850/900/1800/1900Quad-Band 850/900/1800/1900
Primary 2G networkGSM 850/900/1800/1900GSM 850/900/1800/1900
Primary 3G networkNot supportedUMTS 850/900/1700/1900/2100
Primary 4G networkNot supportedLTE Cat6 (1, 2, 3, 4, 5, 7, 8, 20, 28)
TD-LTE (38, 40, 41)
VoLTE
Primary 5G networkNot supportedNot supported
Primary data networkGPRS, EDGEGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
Secondary 2G networkGSM 850/900/1800/1900GSM 850/900/1800/1900
Secondary 3G networkNot supportedUMTS 850/900/1700/1900/2100
Secondary 4G networkNot supportedLTLTE Cat6 (1, 2, 3, 4, 5, 7, 8, 20, 28)
TD-LTE (38, 40, 41)
VoLTE
Secondary data networkGPRSGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE, LTE-A

📷 Camera

Samsung Rex 70 (S3802)Redmi 9 (128GB/6GB)
Back camera (main camera)2 megapixels(quad camera)
13 megapixels
8MP ultrawide f/2.2118°1/4.0"1.12µm
5MP macro f/2.4
2MP depth f/2.4
Main camera resolution1600x1200 pixels4128x3096 pixels
Video recording (primary)SupportedFull HD (1920x1080) 30 fps
FlashNot supportedLED flash
Focal aperturefeature not registeredf/2.2 (aperture)
Focal lengthfeature not registered28mm (lens)
Sensor sizefeature not registered1/3.1" inches
Pixel sizefeature not registered1.12µm pixel
AutofocusNot supportedPDAF: phase detection autofocus
Touch focusfeature not registeredSupported
Image stabilizationfeature not registeredEIS: Digital stabilization
ZoomOnly digital zoomOnly digital zoom
Face/smile detectionfeature not registeredFace detection, Smile detection
BSI sensorfeature not registeredNot supported
HDRfeature not registeredHDR photo on both cameras
Camera extrasfeature not registeredfeature not registered

📸 Front camera

Samsung Rex 70 (S3802)Redmi 9 (128GB/6GB)
Front camera (secondary)Not supported8 megapixels
Front camera resolutionNot supported3264x2448 pixels
Video recording (secondary)Not supportedFull HD (1920x1080)
Front flashNot supportedNot supported
Focal aperturefeature not registeredf/2.0 (aperture)
Focal lengthfeature not registered27mm (lens)
Sensor sizefeature not registered1/4" inches
Pixel sizefeature not registered1.12µm pixel

🔉 Sound and multimedia

Samsung Rex 70 (S3802)Redmi 9 (128GB/6GB)
LoudspeakerSupportedMono sound (not stereo)
Active noise cancellationfeature not registered2 microphones or more
RadioFMFM
TVNot supportedNot supported
Video formatsMP4, H.263MP4, H.265, H.264, H.263, XviD, MKV
Audio formatsMP3, WAV, eAAC+MP3, WAV, WMA, eAAC+, FLAC

🔌 Connectivity

Samsung Rex 70 (S3802)Redmi 9 (128GB/6GB)
USBMicroUSB 2.0USB 2.0 Type-C, USB OTG On-The-Go
Audio output3.5mm jack3.5mm jack
TV outputNot supportedUSB Type-C (reversible)
Bluetooth3.05.0 + A2DP/LE
WiFi802.11 b/g/n [wifi4] (2.4GHz)802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO
WiFi Direct, hotspot
DLNAfeature not registeredNot supported
GPSNot supportedA-GPS, GeoTagging, GLONASS, BeiDou
NFCNot supportedNot supported
Infrared portfeature not registeredSupported

🧭 Sensors

Samsung Rex 70 (S3802)Redmi 9 (128GB/6GB)
SensorsProximity sensorAccelerometer
Ambient light sensor
Compass
Face unlock 2D
Fingerprint sensor (rear-mounted)
Proximity sensor
Vibrating alertSupportedSupported

🔋 Battery

Samsung Rex 70 (S3802)Redmi 9 (128GB/6GB)
Battery typeLi-Ion: lithium-ion (Removable)LiPo: li-ion polymer (Non removable)
Battery capacity1000 mAh5020 mAh
Charger, wattsWired charging18W Wired fast charging
Inductive / wireless chargingfeature not registeredNot supported
Talk time autonomy13 hours31 hours (1.3 days)
Standby490 hours (20.4 days)feature not registered

➕ Other features

Samsung Rex 70 (S3802)Redmi 9 (128GB/6GB)
Call controlVoice recorderVoice dialing, Voice recorder, Voice commands
MessagingSMS, MMS, E-mailSMS (T9), MMS, E-mail, Push mail
Hands-free callingSupportedSupported
Video callingNot supportedSupported
RingtonesPolyphonic and customizedPolyphonic and customized
Web browserfeature not registeredHTML, XHTML, HTML5
AntennaInternal antennaInternal antenna
Qwerty physical keyboardNot supportedNot supported
Miscellaneous• Colors: White, Gray, Blue
• Samsung TouchWiz UI
• ChatON
• Opera browser
• Facebook, Twitter, YouTube
• Java framework
• Colors: Carbon Gray, Sunset Purple, Ocean Green, Pink/Blue
• 10W charger included

☢️ Radiation rate

Samsung Rex 70 (S3802)Redmi 9 (128GB/6GB)
SAR 1.6W/kg (USA, Mexico, etc.)feature not registered0.913W/kg (head), 0.999W/kg (body)
SAR 2W/kg (Europe, UK, etc.)feature not registered0.711W/kg (head), 1.059W/kg (body)
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