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Samsung Galaxy J3 2018 (SM-J337U) vs Asus Zenfone 8 (128GB/8GB)

Side by side comparison between Samsung Galaxy J3 (2018) vs Asus Zenfone 8 phones, differences, pros, cons with full specifications. What's the better?

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Compare Asus Zenfone 8 XSamsung Galaxy J3 2018 (SM-J337U)03Points
Samsung Galaxy J3 2018 (SM-J337U)
5"
IPS

720x1280

8
MP

5mp

2GB
RAM

64bit Quad

2600
mAh

(Removable)

vs
Asus Zenfone 8 (128GB/8GB)
5.9"
AMOLED

1080x2400

64
MP

12mp

8GB
RAM

64bit Octa

4000
mAh

(Non removable)

What's the better phone? Asus Zenfone 8 (128GB/8GB)

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!

Galaxy J3 2018 (SM-J337U)3 Advantages Samsung Galaxy J3 2018 (SM-J337U)vsZenfone 8 (128GB/8GB)33 Advantages Asus Zenfone 8 (128GB/8GB)
+Until 512GB microSD, microSDXCAdvantage
More external storage for files using memory cards
vsNot supported
+152 grams (5.32 ounces)11%
Lighter
vs169 grams (5.92 ounces)
+Li-Ion: Lithium-Ion (Removable)Advantage
Removable battery can be replaced easily
vsLiPo: Li-Ion polymer (Non removable)
1.4Ghz 64bit Quad-Corevs+2.84Ghz 64bit Octa-Core140%
More powerful processor, you can open your applications faster
2GB LPDDR3vs+8GB LPDDR53 times
More RAM memory. Typically more responsive and better for multitasking.
16GB (9GB available)vs+128GB (107GB available)11 times
More internal storage for applications and files
eMMC 5.0vs+UFS 3.1Advantage
Fastest write and read storage.
9 millimeters (0.35 inches)vs+8.9 millimeters (0.35 inches)1%
Thinner
Plastic body, glass frontvs+Aluminum frame, glass front/backAdvantage
More resistant material
TFT IPS LCDvs+Super AMOLEDAdvantage
Super AMOLED display is brighter and more vivid
720x1280 pixelsvs+1080x2400 pixels181%
Higher resolution screen
294 PPIvs+446 PPI52%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
5"vs+5.9"18%
Larger screen
(back) 8MPvs+(dual camera) 64MP + 12MP9 times
Higher resolution main camera
EIS: Digital stabilizationvs+OIS (4-axis): Optical stabilizationAdvantage
Image stabilization prevents blurry photos and helps in recording motion video
Not supportedvs+BSI sensorAdvantage
The BSI sensor allows the entry of more light generating photos with more detail and brightness
HDR photo only main cameravs+HDR photo/video 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) 5MPvs+(front) 12MP144%
Higher resolution secondary camera to take pictures and selfies
Full HD (1920x1080)vs+8K UHD (7680x4320)15 times
More image quality for recording videos with the primary camera
(front) Full HD (1920x1080)vs+(front) 4K UHD (3840x2160)3 times
More image quality for recording videos with the secondary camera
Android 8.0 Oreovs+Android 11Advantage
Android 11 is newer and safer
4G LTEvs+5G SA/NSAAdvantage
The 5G SA/NSA network is newer and faster
(4G LTE) 150 Mbpsvs+(5G SA/NSA) 2000 Mbps12 times
Faster for surfing the internet and download files
Not supportedvs+Ambient Light sensorAdvantage
Sensors help you use the device
Not supportedvs+Fingerprint sensor (under display)Advantage
Sensors help you use the device
Not supportedvs+Face unlockAdvantage
Sensors help you use the device
2600 mAhvs+4000 mAh54%
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)Advantage
It's more advantageous to have more than one phone operator in the same device
Not supportedvs+Active noise cancellationAdvantage
Noise-canceling microphone allows better call quality
802.11 b/g/n (2.4Ghz)vs+802.11 a/b/g/n/ac/ax wifi6/6E (2.4Ghz, 5Ghz, 6Ghz) + MIMOAdvantage
WiFi 802.11 a/b/g/n/ac/ax wifi6/6E (2.4Ghz, 5Ghz, 6Ghz) + MIMO is newer and faster
4.2 + A2DPvs+5.2 + A2DP/LEAdvantage
Bluetooth 5.2 + A2DP/LE is newer and faster
Not supportedvs+NFCAdvantage
NFC allows you to make payments by approach quickly and securely
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 VictusAdvantage
Protection against scratches on the screen lets you carry your phone with your keys
Not supportedvs+IP68 certifiedAdvantage
Protection against water allows you talk to your friends in the rain, for example

18 Common items in both devices
16 million
LED flash
Only digital zoom
Autofocus / PDAF: phase detection autofocus
Capacitive
Multitouch
3.5mm jack
+11 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 featuresSamsung Galaxy J3 2018 (SM-J337U)Asus Zenfone 8 (128GB/8GB)
ModelGalaxy J3 2018 (SM-J337U)Zenfone 8 (128GB/8GB)
Other model namesGalaxy J3 (2018) Unlocked SM-J337UZKAXAAAsus Zenfone 8 (ZS590KS, ZS590KS-2A007EU)
Country or region availableUSA
USA
(Global, International)
(Global, International)
BrandSamsungAsus
Release dateMay, 2018May, 2021
Depth9 millimeters (0.35 inches)8.9 millimeters (0.35 inches)
Size (width x height)70.2 x 142.8 millimeters (2.76 x 5.62 in)68.5 x 148 millimeters (2.7 x 5.83 in)
Weight152 grams (5.32 ounces)169 grams (5.92 ounces)
Qwerty physical keyboardNot supportedNot supported
AntennaInternal antennaInternal antenna
Build, materialsPlastic body, glass frontAluminum frame, glass front/back
Protection against water and othersNot supportedIP68 certified: dust proof and waterproof over 1.5 meter and 30min
System (OS)Samsung Galaxy J3 2018 (SM-J337U)Asus Zenfone 8 (128GB/8GB)
Operating systemAndroid 8.0 OreoAndroid 11
Firmware updatefeature not registeredfeature not registered
HardwareSamsung Galaxy J3 2018 (SM-J337U)Asus Zenfone 8 (128GB/8GB)
Chipset64bit - Samsung Exynos 7 Quad 7570 (14nm)64bit - Qualcomm Snapdragon 888 SM8350 (5nm)
CPU processor1.4Ghz Quad-Core ARM Cortex-A53Octa-Core, 3 processors:
2.84Ghz Single-Core Kryo 680
2.42Ghz 3-Cores Kryo 680
1.8Ghz Quad-Core Kryo 680
GPU graphical controllerARM Mali-T720 MP2Qualcomm Adreno 660 840Mhz
RAM memory2GB LPDDR38GB LPDDR5
Internal storage16GB (9GB available)
eMMC 5.0
128GB (107GB available)
UFS 3.1
External storageUntil 512GB microSD, microSDXC
(dedicated slot)
Not supported
DisplaySamsung Galaxy J3 2018 (SM-J337U)Asus Zenfone 8 (128GB/8GB)
Display typeTFT IPS LCDSuper AMOLED
Screen size5" inches5.9" inches
Screen-to-body ratio~68.8% (screen-to-body ratio)~82.9% (screen-to-body ratio)
Display resolution720x1280 pixels1080x2400 pixels (20:9)
TouchscreenCapacitive MultitouchCapacitive Multitouch 10-points
Pixel density (dot pitch)294 PPI446 PPI
Colors16 million16 million
Scratch-resistant glassNot supportedGorilla Glass Victus
Display featuresfeature not registered120Hz, 1100 nits, HDR10+
Mobile networksSamsung Galaxy J3 2018 (SM-J337U)Asus Zenfone 8 (128GB/8GB)
Dual-SIMNot supportedDual-SIM Standby - Call active on one sim card
SIM card1 slot (Single-SIM)
nano-SIM (4FF)
2 slots (Dual-SIM)
nano-SIM (4FF)
Maximum download/upload150/50 Mbps2000/1024 Mbps
Network technology2G, 3G, 4G2G, 3G, 4G, 5G
Frequency, bandsExpand band detailsCollapse 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 networkUMTS 850/900/1700/1900/2100UMTS 800/850/900/1700/1900/2100
Primary 4G networkLTE Cat4 (Bands 2, 3, 4, 5, 7, 12, 14)LTE Cat20
VoLTE

America version:
LTE (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 25, 26, 30, 66, 71)
TD-LTE (34, 38, 39, 40, 41, 42)

Global version:
LTE (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28)
TD-LTE (34, 38, 39, 40, 41, 42)
Primary 5G networkNot supportedAmerica version:
SA/NSA (1, 2, 3, 5, 7, 8, 12, 20, 25, 38, 40, 66, 71, 77, 78)

Global version:
SA/NSA (1, 2, 3, 5, 7, 8, 12, 20, 28, 38, 77, 78)
Primary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTEGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, 5G SA/NSA
Secondary 2G networkNot supportedGSM 850/900/1800/1900
Secondary 3G networkNot supportedUMTS 800/850/900/1700/1900/2100
Secondary 4G networkNot supportedNot supported
Secondary data networkNot supportedGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+
CallingSamsung Galaxy J3 2018 (SM-J337U)Asus Zenfone 8 (128GB/8GB)
MessagingSMS (T9), MMS, E-mail, Push mailSMS (T9), MMS, E-mail, Push mail
SpeakerphoneSupportedSupported
Video callingSupportedSupported
Call controlVoice dialing, Voice recorderVoice dialing, Voice recorder, Voice commands
CameraSamsung Galaxy J3 2018 (SM-J337U)Asus Zenfone 8 (128GB/8GB)
Back camera (main camera)8 megapixels(dual camera)
64 megapixels
12MP ultrawidef/2.2112º14mm1/2.55"1.4µmPDAF
Main camera resolution3264x2448 pixels10120x6328 pixels
Video recording (primary)Full HD (1920x1080) 30 fps8K UHD (7680x4320) 24 fps
FlashLED flashLED flash
Focal aperturef/1.9 (aperture)f/1.8 (aperture)
Focal lengthfeature not registered26mm lens
Sensor sizefeature not registered1/1.73" inches
Pixel sizefeature not registered0.8µm pixel
AutofocusAutofocusPDAF: phase detection autofocus
Touch focusSupportedSupported
Image stabilizationEIS: Digital stabilizationOIS (4-axis): Optical stabilization
ZoomOnly digital zoomOnly digital zoom
Face/smile detectionFace detection, Smile detectionFace detection, Smile detection
BSI sensorNot supportedSupported
HDRHDR photo only main cameraHDR photo/video on both cameras
2ª cameraSamsung Galaxy J3 2018 (SM-J337U)Asus Zenfone 8 (128GB/8GB)
Front camera (secondary)5 megapixels12 megapixels
Front camera resolution2560x1920 pixels4000x3000 pixels
Video recording (secondary)Full HD (1920x1080)4K UHD (3840x2160)
Front flashNot supportedNot supported
Focal aperturef/2.2 (aperture)f/2.5 (aperture)
Focal lengthfeature not registered28mm lens
Sensor sizefeature not registered1/2.93" inches
Pixel sizefeature not registered1.22µm pixel
MultimediaSamsung Galaxy J3 2018 (SM-J337U)Asus Zenfone 8 (128GB/8GB)
RadioFMFM
TVNot supportedNot supported
Video formatsMP4, H.264, H.263, XviD, MKVMP4, H.265, H.264, H.263, XviD, MKV
Audio formatsMP3, WAV, WMA, eAAC+, FLACMP3, WAV, WMA, eAAC+, FLAC
ConnectivitySamsung Galaxy J3 2018 (SM-J337U)Asus Zenfone 8 (128GB/8GB)
USBMicroUSB 2.0USB 2.0 Type-C, USB OTG On-The-Go
TV outputNot supportedUSB Type-C (reversible)
Audio output3.5mm jack3.5mm jack
Bluetooth4.2 + A2DP5.2 + A2DP/LE
WiFi802.11 b/g/n (2.4Ghz)802.11 a/b/g/n/ac/ax wifi6/6E (2.4Ghz, 5Ghz, 6Ghz) + MIMO
DLNANot supportedNot supported
NFCNot supportedSupported
GPSA-GPS, GeoTagging, GLONASSA-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS, NavIC
Infrared portNot supportedNot supported
Other functionsSamsung Galaxy J3 2018 (SM-J337U)Asus Zenfone 8 (128GB/8GB)
Active noise cancellationNot supportedSupported
Vibrating alertSupportedSupported
RingtonesPolyphonic and customizedPolyphonic and customized
Web browserHTML, XHTML, HTML5HTML, XHTML, HTML5
SensorsAccelerometer
Proximity sensor
Compass
Gyroscope
Accelerometer
Proximity sensor
Compass
Ambient Light sensor
Gyroscope
Hall effect
Face unlock
Fingerprint sensor (under display)
Other features- Colors: Black
- WiFi direct, hotspot
- Colors: Obsidian Black, Horizon Silver
- ZenUI 8
- Always-on display
- 32-bit/384kHz audio
- WiFi direct, hotspot
Power supplySamsung Galaxy J3 2018 (SM-J337U)Asus Zenfone 8 (128GB/8GB)
BatteryLi-Ion: Lithium-Ion (Removable)LiPo: Li-Ion polymer (Non removable)
Battery capacity2600 mAh4000 mAh
Charger, watts Standard charging30W Fast battery charging
Reverse charging USB between devices
Quick Charge 4
USB Power Delivery 3.0
Talk time autonomyfeature not registeredfeature not registered
Standbyfeature not registeredfeature not registered
Radiation rateSamsung Galaxy J3 2018 (SM-J337U)Asus Zenfone 8 (128GB/8GB)
SAR 1.6W/kg (USA, Mexico, etc.)1.2W/kg (head) | 1.58W/kg (body)feature not registered
SAR 2W/kg (Europe, UK, etc.)feature not registeredfeature not registered
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