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Xiaomi Redmi 9 Prime (128GB) vs Samsung Galaxy J4 (SM-J400F/DS 32GB)

Side by side comparison between Xiaomi Redmi 9 Prime vs Samsung Galaxy J4 phones, differences, pros, cons with full specifications. What's the better?

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Compare Samsung Galaxy J4 XXiaomi Redmi 9 Prime (128GB)25Points
Xiaomi Redmi 9 Prime (128GB)
6.53"
IPS

1080x2340

13
MP

8mp

4GB
RAM

64bit Octa

5020
mAh

(Non removable)

vs
06PointsSamsung Galaxy J4 (SM-J400F/DS 32GB)Compare Xiaomi Redmi 9 Prime X
Samsung Galaxy J4 (SM-J400F/DS 32GB)
5.5"
AMOLED

720x1280

13
MP

5mp

2GB
RAM

64bit Quad

3000
mAh

(Removable)

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

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!

Redmi 9 Prime (128GB)25 Advantages Xiaomi Redmi 9 Prime (128GB)vsGalaxy J4 (SM-J400F/DS 32GB)6 Advantages Samsung Galaxy J4 (SM-J400F/DS 32GB)
+2Ghz 64bit Octa-Core76%
More powerful processor, you can open your applications faster
vs1.4Ghz 64bit Quad-Core
+4GB LPDDR4X100%
More RAM memory. Typically more responsive and better for multitasking.
vs2GB LPDDR3
+128GB (106GB available)10 times
More internal storage for applications and files
vs16GB (10GB available)
+eMMC 5.1Advantage
Fastest write and read storage.
vsFlash (EEPROM)
+Until 512GB microSD, microSDXC100%
More external storage for files using memory cards
vsUntil 256GB microSD, microSDXC
+1080x2340 pixels174%
Higher resolution screen
vs720x1280 pixels
+395 PPI48%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
vs267 PPI
+6.53"19%
Larger screen
vs5.5"
+(quad camera) 13MP + 8MP + 5MP + 2MP117%
Higher resolution main camera
vs(back) 13MP
+HDR photo on both camerasAdvantage
The HDR technology produced photos with more detail in dark areas
vsHDR photo only main camera
+(front) 8MP63%
Higher resolution secondary camera to take pictures and selfies
vs(front) 5MP
+(front) Full HD (1920x1080)125%
More image quality for recording videos with the secondary camera
vs(front) HD (1280x720)
+Android 10Advantage
Android 10 is newer and safer
vsAndroid 9.0 Pie
+(4G+ LTE-A) 300 Mbps100%
Faster for surfing the internet and download files
vs(4G LTE) 150 Mbps
+CompassAdvantage
Sensors help you use the device
vsNot supported
+Ambient Light sensorAdvantage
Sensors help you use the device
vsNot supported
+Fingerprint sensor (rear-mounted)Advantage
Sensors help you use the device
vsNot supported
+Face unlockAdvantage
Sensors help you use the device
vsNot supported
+5020 mAh67%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
vs3000 mAh
+Active noise cancellationAdvantage
Noise-canceling microphone allows better call quality
vsNot supported
+802.11 a/b/g/n/ac (2.4Ghz, 5Ghz) + MIMOAdvantage
WiFi 802.11 a/b/g/n/ac (2.4Ghz, 5Ghz) + MIMO is newer and faster
vs802.11 b/g/n (2.4Ghz)
+5.0 + A2DP/LEAdvantage
Bluetooth 5.0 + A2DP/LE is newer and faster
vs4.2 + A2DP
+Type-CAdvantage
Reversible connector, you can stick in a USB-C cable any which way; either side is up.
vsMicroUSB 2.0, USB OTG On-The-Go
+Gorilla Glass 3Advantage
Protection against scratches on the screen lets you carry your phone with your keys
vsNot supported
+Water repellent nano-coating (don't immerse)Advantage
Protection against water allows you talk to your friends in the rain, for example
vsNot supported
198 grams (6.93 ounces)vs+175 grams (6.13 ounces)13%
Lighter
9.1 millimeters (0.36 inches)vs+8.1 millimeters (0.32 inches)12%
Thinner
TFT IPS LCDvs+Super AMOLEDAdvantage
Super AMOLED display is brighter and more vivid
LED flashvs+LED flash on both camerasAdvantage
The LED flash on both cameras helps in dark places or in low light
f/2.2 (aperture)vs+f/1.9 (aperture)16%
Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
LiPo: Li-Ion polymer (Non removable)vs+Li-Ion: Lithium-Ion (Removable)Advantage
Removable battery can be replaced easily

20 Common items in both devices
Plastic body, glass front / Plastic body
16 million
Only digital zoom
PDAF: phase detection autofocus / Autofocus
EIS: Digital stabilization
Full HD (1920x1080)
4G+ LTE-A / 4G LTE
+13 specs and more in the table below

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

Highlight differencesClear highlight
Physical featuresXiaomi Redmi 9 Prime (128GB)Samsung Galaxy J4 (SM-J400F/DS 32GB)
ModelRedmi 9 Prime (128GB)Galaxy J4 (SM-J400F/DS 32GB)
Other model namesXiaomi Redmi 9 Prime (M2004J19PI)Galaxy J4 J400F/Dual-sim, SM-J400FZKDINS
Country or region availableIndia
India
United Arab EmiratesIndiaSingapore
United Arab Emirates, India, Singapore
BrandXiaomiSamsung
Release dateAugust, 2020May, 2018
Depth9.1 millimeters (0.36 inches)8.1 millimeters (0.32 inches)
Size (width x height)77.01 x 163.32 millimeters (3.03 x 6.43 in)77.2 x 151.7 millimeters (3.04 x 5.97 in)
Weight198 grams (6.93 ounces)175 grams (6.13 ounces)
Qwerty physical keyboardNot supportedNot supported
AntennaInternal antennaInternal antenna
Build, materialsPlastic body, glass frontPlastic body
Protection against water and othersWater repellent nano-coating (don't immerse)Not supported
System (OS)Xiaomi Redmi 9 Prime (128GB)Samsung Galaxy J4 (SM-J400F/DS 32GB)
Operating systemAndroid 10Android 8.0 Oreo
Firmware updatefeature not registeredAndroid 9.0 Pie
HardwareXiaomi Redmi 9 Prime (128GB)Samsung Galaxy J4 (SM-J400F/DS 32GB)
Chipset64bit - Mediatek Helio G80 (12nm)64bit - Samsung Exynos 7 Quad 7570 (14nm)
CPU processorOcta-Core, 2 processors:
2Ghz Dual-Core ARM Cortex-A75
1.8Ghz Hexa-Core ARM Cortex-A55
1.4Ghz Quad-Core ARM Cortex-A53
GPU graphical controllerARM Mali-G52 MC2 950MhzARM Mali-T720 MP2
RAM memory4GB LPDDR4X2GB LPDDR3
Internal storage128GB (106GB available)
eMMC 5.1
16GB (10GB available)
Flash (EEPROM)
External storageUntil 512GB microSD, microSDXC
(dedicated slot)
Until 256GB microSD, microSDXC
(dedicated slot)
DisplayXiaomi Redmi 9 Prime (128GB)Samsung Galaxy J4 (SM-J400F/DS 32GB)
Display typeTFT IPS LCDSuper AMOLED
Screen size6.53" inches5.5" inches
Screen-to-body ratio~83.2% (screen-to-body ratio)~71.2% (screen-to-body ratio)
Display resolution1080x2340 pixels (19.5:9)720x1280 pixels
TouchscreenCapacitive MultitouchCapacitive Multitouch
Pixel density (dot pitch)395 PPI267 PPI
Colors16 million16 million
Scratch-resistant glassGorilla Glass 3Not supported
Display features60Hz, 400 nitsfeature not registered
Mobile networksXiaomi Redmi 9 Prime (128GB)Samsung Galaxy J4 (SM-J400F/DS 32GB)
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)
nano-SIM (4FF)
2 slots (Dual-SIM)
micro-SIM (3FF)
Maximum download/upload300/50 Mbps150/50 Mbps
Network technology2G, 3G, 4G2G, 3G, 4G
Frequency, bandsExpand band detailsCollapse details
GSM Mhz bandQuad-Band 850/900/1800/1900Tri-Band 850/900/1800
Primary 2G networkGSM 850/900/1800/1900GSM 850/900/1800
Primary 3G networkUMTS 850/900/1900/2100UMTS 850/900/2100
Primary 4G networkLTE Cat6 (1, 3, 5, 8)
TD-LTE (40, 41)
VoLTE
LTE Cat4 (Bands 1,3,5,7,8,20)
TD-LTE (Bands 38,40)
Primary 5G networkNot supportedNot supported
Primary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-AGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE
Secondary 2G networkGSM 850/900/1800/1900GSM 850/900/1800
Secondary 3G networkNot supportedNot supported
Secondary 4G networkNot supportedNot supported
Secondary data networkGPRS, EDGEGPRS, EDGE
CallingXiaomi Redmi 9 Prime (128GB)Samsung Galaxy J4 (SM-J400F/DS 32GB)
MessagingSMS (T9), MMS, E-mail, Push mailSMS (T9), MMS, E-mail, Push mail
SpeakerphoneSupportedSupported
Video callingSupportedSupported
Call controlVoice dialing, Voice recorder, Voice commandsVoice dialing, Voice recorder
CameraXiaomi Redmi 9 Prime (128GB)Samsung Galaxy J4 (SM-J400F/DS 32GB)
Back camera (main camera)(quad camera)
13 megapixels
8MP ultrawidef/2.2118º1/4.0"1.12µm
5MP macrof/2.4
2MP depthf/2.4
13 megapixels
Main camera resolution4128x3096 pixels4128x3096 pixels
Video recording (primary)Full HD (1920x1080) 30 fpsFull HD (1920x1080) 30 fps
FlashLED flashLED flash on both cameras
Focal aperturef/2.2 (aperture)f/1.9 (aperture)
Focal length28mm lens28mm lens
Sensor size1/3.1" inchesfeature not registered
Pixel size1.12µm pixelfeature not registered
AutofocusPDAF: phase detection autofocusAutofocus
Touch focusSupportedSupported
Image stabilizationEIS: Digital stabilizationEIS: Digital stabilization
ZoomOnly digital zoomOnly digital zoom
Face/smile detectionFace detection, Smile detectionFace detection, Smile detection
BSI sensorNot supportedNot supported
HDRHDR photo on both camerasHDR photo only main camera
2ª cameraXiaomi Redmi 9 Prime (128GB)Samsung Galaxy J4 (SM-J400F/DS 32GB)
Front camera (secondary)8 megapixels5 megapixels
Front camera resolution3264x2448 pixels2560x1920 pixels
Video recording (secondary)Full HD (1920x1080)HD (1280x720)
Front flashNot supportedLED
Focal aperturef/2.0 (aperture)f/2.2 (aperture)
Focal length27mm lensfeature not registered
Sensor size1/4" inchesfeature not registered
Pixel size1.12µm pixelfeature not registered
MultimediaXiaomi Redmi 9 Prime (128GB)Samsung Galaxy J4 (SM-J400F/DS 32GB)
RadioFMFM
TVNot supportedNot supported
Video formatsMP4, H.265, H.264, H.263, XviD, MKVMP4, H.264, H.263, MKV, WMV
Audio formatsMP3, WAV, WMA, eAAC+, FLACMP3, OGG, eAAC+, FLAC
ConnectivityXiaomi Redmi 9 Prime (128GB)Samsung Galaxy J4 (SM-J400F/DS 32GB)
USBUSB 2.0 Type-C, USB OTG On-The-GoMicroUSB 2.0, USB OTG On-The-Go
TV outputUSB Type-C (reversible)Not supported
Audio output3.5mm jack3.5mm jack
Bluetooth5.0 + A2DP/LE4.2 + A2DP
WiFi802.11 a/b/g/n/ac (2.4Ghz, 5Ghz) + MIMO802.11 b/g/n (2.4Ghz)
DLNANot supportedNot supported
NFCNot supportedNot supported
GPSA-GPS, GeoTagging, GLONASS, BeiDouA-GPS, GeoTagging, GLONASS, BeiDou
Infrared portSupportedNot supported
Other functionsXiaomi Redmi 9 Prime (128GB)Samsung Galaxy J4 (SM-J400F/DS 32GB)
Active noise cancellationSupportedNot supported
Vibrating alertSupportedSupported
RingtonesPolyphonic and customizedPolyphonic and customized
Web browserHTML, XHTML, HTML5HTML, XHTML, HTML5
SensorsAccelerometer
Proximity sensor
Compass
Ambient Light sensor
Face unlock
Fingerprint sensor (rear-mounted)
Accelerometer
Proximity sensor
Other features- Colors: Space Blue, Mint Green, Matte Black, Sunrise Flare
- MIUI 11
- 10W charger included
- WiFi direct, hotspot
- Colors: Black, Gold, Orchid Gray
- WiFi direct, hotspot
Power supplyXiaomi Redmi 9 Prime (128GB)Samsung Galaxy J4 (SM-J400F/DS 32GB)
BatteryLiPo: Li-Ion polymer (Non removable)Li-Ion: Lithium-Ion (Removable)
Battery capacity5020 mAh3000 mAh
Charger, watts18W Fast battery charging Standard charging
Talk time autonomy1860 minutes | 31 hours | 1.3 days1200 minutes | 20 hours | 0.8 day
Standbyfeature not registeredfeature not registered
Radiation rateXiaomi Redmi 9 Prime (128GB)Samsung Galaxy J4 (SM-J400F/DS 32GB)
SAR 1.6W/kg (USA, Mexico, etc.)0.85W/kg (head) | 0.42W/kg (body)feature not registered
SAR 2W/kg (Europe, UK, etc.)feature not registered0.356W/kg (head) | 1.492W/kg (body)
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