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Samsung Galaxy Express 3 (SM-J120A) vs Asus ROG Phone (512GB)

Side by side comparison between Samsung Galaxy Express 3 vs Asus ROG Phone phones, differences, pros, cons and full specifications. What's the better?

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Compare Asus ROG Phone X Samsung Galaxy Express 3 (SM-J120A) 04Points
4.5"
AMOLED

480x800

5
MP

2mp

1GB
RAM

Quad-core

2050
mAh

(Removable)

vs
6"
AMOLED

1080x2160

12
MP

8mp

8GB
RAM

Octa-core

4000
mAh

(Non removable)

What's the better phone? Asus ROG Phone (512GB)

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 Express 3 (SM-J120A)} 4 Advantages Samsung Galaxy Express 3 (SM-J120A) vs ROG Phone (512GB)} 31 Advantages Asus ROG Phone (512GB)
+Until 256GB microSD, microSDXCAdvantage
More external storage for files using memory cards
vsNot supported
+131 grams (4.59 ounces)53%
Lighter
vs200 grams (7 ounces)
+Super AMOLEDAdvantage
Super AMOLED display is brighter and more vivid
vsAMOLED
+Li-Ion: lithium-ion (Removable)Advantage
Removable battery can be replaced easily
vsLi-Ion: lithium-ion (Non removable)
1.3GHz 32bit Quad-corevs+2.96GHz 64bit Octa-core2 times
More powerful processor, you can open your applications faster
1GBvs+8GB LPDDR4X7 times
More RAM memory. Typically more responsive and better for multitasking.
8GB (4GB available)vs+512GB (498GB available)124 times
More internal storage for applications and files
8.9 millimeters (0.35 inches)vs+8.65 millimeters (0.34 inches)3%
Thinner
Plastic body, glass frontvs+Aluminum frame, glass front/backAdvantage
More resistant material
480x800 pixelsvs+1080x2160 pixels5 times
Higher resolution screen
207 PPIvs+402 PPI94%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
4.5"vs+6"33%
Larger screen
(back) 5MPvs+(dual camera) 12MP + 8MP3 times
Higher resolution main camera
EIS: Digital stabilizationvs+OIS (4-axis): Optical stabilizationAdvantage
Image stabilization prevents blurry photos and helps in recording motion video
HDR photo only main cameravs+HDR photo on both camerasAdvantage
The HDR technology produced photos with more detail in dark areas
f/2.2 (aperture)vs+f/1.8 (aperture)22%
Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure.
(front) 2MPvs+(front) 8MP3 times
Higher resolution secondary camera to take pictures and selfies
HD (1280x720)vs+4K UHD (3840x2160)8 times
More image quality for recording videos with the primary camera
(front) VGA (640x480)vs+(front) Full HD (1920x1080)6 times
More image quality for recording videos with the secondary camera
Android 6.0.1 Marshmallowvs+Android 9.0 PieAdvantage
Android 9.0 Pie is newer and safer
(4G LTE) 150 Mbpsvs+(4G LTE-A) 1024 Mbps6 times
Faster for surfing the internet and download files
Not supportedvs+Ambient light sensorAdvantage
Sensors help you use the device
Not supportedvs+CompassAdvantage
Sensors help you use the device
Not supportedvs+Face unlockAdvantage
Sensors help you use the device
Not supportedvs+Fingerprint sensor (rear-mounted)Advantage
Sensors help you use the device
Not supportedvs+GyroscopeAdvantage
Sensors help you use the device
2050 mAhvs+4000 mAh95%
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
You can have more mobile carriers/operators on the same device.
802.11 b/g/n [wifi4]vs+802.11 a/b/g/n/ac/ad [wifi5/ad]Advantage
WiFi 802.11 a/b/g/n/ac/ad [wifi5/ad] is newer and faster
4.0 + A2DPvs+5.0 + A2DP/LEAdvantage
Bluetooth 5.0 + A2DP/LE is newer and faster
Not supportedvs+NFCAdvantage
NFC allows you to make payments by approach quickly and securely
MicroUSB 2.0vs+USB 3.1 Type-C reversible connectorAdvantage
Newer and faster USB version for transferring photos, mp3 or data.
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
Not supportedvs+Water splash resistant (don't immerse)Advantage
Protection against water allows you talk to your friends in the rain, for example

13 Common items in both devices
16 million
LED flash
Only digital zoom
Autofocus / PDAF: phase detection autofocus
4G LTE / 4G LTE-A
Capacitive
Multitouch
+6 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

Galaxy Express 3 (SM-J120A)Asus ROG Phone (512GB)
Change model 
ModelGalaxy Express 3 (SM-J120A)ROG Phone (512GB)
Other model namesAT&T Samsung Galaxy J1 4G, Galaxy Express 3 GoPhoneAsus ROG Phone ZS600KL, Z01QD
Country or region availableUSA
USA
(Global, International)
(Global, International)
BrandSamsungAsus
Release date4/1/20169/1/2018
Depth8.9 millimeters (0.35 inches)8.65 millimeters (0.34 inches)
Size (width x height)69.3 x 132.6 millimeters (2.73 x 5.22 in)76.16 x 158.83 millimeters (3 x 6.25 in)
Weight131 grams (4.59 ounces)200 grams (7 ounces)
Build, materialsPlastic body, glass frontAluminum frame, glass front/back
Protection against water and othersNot supportedWater splash resistant (don't immerse)

📲 Display

Galaxy Express 3 (SM-J120A)Asus ROG Phone (512GB)
Display typeSuper AMOLEDAMOLED
Screen size4.5" inches6" inches
Screen-to-body ratio~62.7% (screen-to-body ratio)~76.8% (screen-to-body ratio)
Display resolution480x800 pixels1080x2160 pixels (18:9)
TouchscreenCapacitive MultitouchCapacitive Multitouch 10-points
Pixel density (dot pitch)207 PPI402 PPI
Colors16 million16 million
Scratch-resistant glassNot supportedGorilla Glass 3
Refresh ratefeature not registered90Hz
Display featuresfeature not registered550nits[typ]
HDR8

🤖 Operating System

Galaxy Express 3 (SM-J120A)Asus ROG Phone (512GB)
System versionAndroid 6.0.1 MarshmallowAndroid 8.1 Oreo
Firmware updatefeature not registeredAndroid 9.0 Pie
User Interfacefeature not registeredfeature not registered

⚙️ Processor

Galaxy Express 3 (SM-J120A)Asus ROG Phone (512GB)
Chipset32bit: Spreadtrum SC9830A (28nm)64bit: Qualcomm Snapdragon 845 MSM8998 (10nm)
CPUQuad-core, 1 processor:
4x 1.3GHz ARM Cortex-A7 (Quad-core)
Octa-core, 2 processors:
4x 2.96GHz Kryo 385 Gold (Quad-core)
4x 1.7GHz Kryo 385 Silver (Quad-core)
GPU graphical controllerARM Mali-400 MP2Qualcomm Adreno 630 710Mhz
Performance (benchmark)feature not registeredfeature not registered

💽 Memory and storage

Galaxy Express 3 (SM-J120A)Asus ROG Phone (512GB)
RAM memory1GB8GB LPDDR4X
Internal storage8GB (4GB available)512GB (498GB available)
UFS 2.1
External storageUntil 256GB microSD, microSDXC
(dedicated slot)
Not supported

📶 Mobile networks

Galaxy Express 3 (SM-J120A)Asus ROG Phone (512GB)
Dual-SIMNot supportedDual-SIM Standby - Call active on one sim card
SIM card1 slot (Single-SIM)
micro-SIM (3FF)
2 slots (Dual-SIM)
nano-SIM (4FF)
Maximum Download / Upload150/50 Mbps1024/150 Mbps
Network technology2G, 3G, 4G2G, 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 850/900/1800/1900CDMA 800, GSM 850/900/1800/1900
Primary 3G networkUMTS 850/900/1900/2100CDMA2000 1xEV-DO (B version)
TD-SCDMA 1900/2000 (B version)
UMTS 800/850/900/1700/1800/1900/2100
Primary 4G networkLTE Cat4 700/850/1700/1800/1900/2100/2600 (Bands 1,2,3,4,5,7,12)LTE Cat16 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 28, 29, 32)
TD-LTE (34, 38, 39, 40, 41, 46)
Primary 5G networkNot supportedNot supported
Primary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTEGPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A
Secondary 2G networkNot supportedGSM 850/900/1800/1900
Secondary 3G networkNot supportedNot supported
Secondary 4G networkNot supportedNot supported
Secondary data networkNot supportedGPRS, EDGE

📷 Camera

Galaxy Express 3 (SM-J120A)Asus ROG Phone (512GB)
Back camera (main camera)5 megapixels(dual camera)
12 megapixels
8MP ultrawide 12mmFF
Main camera resolution2592x1944 pixels4000x3000 pixels
Video recording (primary)HD (1280x720) 30 fps4K UHD (3840x2160) 60 fps
FlashLED flashLED flash
Focal aperturef/2.2 (aperture)f/1.8 (aperture)
Focal lengthfeature not registered24mm lens
Sensor sizefeature not registered1/2.55" inches
Pixel sizefeature not registered1.4µm 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 supportedNot supported
HDRHDR photo only main cameraHDR photo on both cameras
Camera extrasfeature not registeredfeature not registered

📸 Front camera

Galaxy Express 3 (SM-J120A)Asus ROG Phone (512GB)
Front camera (secondary)2 megapixels8 megapixels
Front camera resolution1600x1200 pixels3264x2448 pixels
Video recording (secondary)VGA (640x480)Full HD (1920x1080)
Front flashNot supportedNot supported
Focal aperturef/2.2 (aperture)f/2.0 (aperture)
Focal lengthfeature not registered24mm lens
Sensor sizefeature not registeredfeature not registered
Pixel sizefeature not registeredfeature not registered

🔉 Sound and multimedia

Galaxy Express 3 (SM-J120A)Asus ROG Phone (512GB)
LoudspeakerSupportedSupported
Active noise cancellationNot supported2 microphones or more
RadioFM (RDS)FM
TVNot supportedNot supported
Video formatsMP4, H.264, H.263, MKVMP4, H.265, H.264, H.263, XviD
Audio formatsMP3, WAV, eAAC+, FLACMP3, OGG, eAAC+, FLAC

🔌 Connectivity

Galaxy Express 3 (SM-J120A)Asus ROG Phone (512GB)
USBMicroUSB 2.0USB 3.1 Type-C reversible connector
Audio output3.5mm jack3.5mm jack
TV outputNot supportedUSB Type-C (reversible)
Bluetooth4.0 + A2DP5.0 + A2DP/LE
WiFi802.11 b/g/n [wifi4] (2.4GHz)
WiFi Direct, hotspot
802.11 a/b/g/n/ac/ad [wifi5/ad] (2.4GHz, 5GHz, 60GHz) + MIMO
WiFi Direct, hotspot
DLNANot supportedNot supported
GPSA-GPS, GeoTagging, GLONASSA-GPS, GeoTagging, GLONASS, BeiDou
NFCNot supportedSupported
Infrared portNot supportedNot supported

🧭 Sensors

Galaxy Express 3 (SM-J120A)Asus ROG Phone (512GB)
SensorsAccelerometer
Proximity sensor
Accelerometer
Ambient light sensor
Compass
Face unlock
Fingerprint sensor (rear-mounted)
Gyroscope
Proximity sensor
Vibrating alertSupportedSupported

🔋 Battery

Galaxy Express 3 (SM-J120A)Asus ROG Phone (512GB)
Battery typeLi-Ion: lithium-ion (Removable)Li-Ion: lithium-ion (Non removable)
Battery capacity2050 mAh4000 mAh
Charger, wattsWired charging30W (10V/3A) Wired fast charging
Quick Charge 4+
Inductive / wireless chargingfeature not registeredNot supported
Talk time autonomy12 hoursfeature not registered
Standby240 hours (10 days)feature not registered

➕ Other features

Galaxy Express 3 (SM-J120A)Asus ROG Phone (512GB)
Call controlVoice dialing, Voice recorderVoice dialing, Voice recorder
MessagingSMS (T9), MMS, E-mail, Push mailSMS (T9), MMS, E-mail, Push mail
Hands-free callingSupportedSupported
Video callingSupportedSupported
RingtonesPolyphonic and customizedPolyphonic and customized
Web browserHTML, XHTML, HTML5HTML, XHTML, HTML5
AntennaInternal antennaInternal antenna
Qwerty physical keyboardNot supportedNot supported
Miscellaneous• Colors: White• Colors: Black
• Front/back Gorilla glass
• 2.5D curved glass screen
• 3D curved glass back panel
• 90Hz display (1ms response time)
• 108.6% DCI-P3 color gamut
• Supports glove touch
• Sony IMX363 back camera sensor
• Quick Charge 4+
• Hi-Res audio
• 24-bit/192kHz audio
• Vapor-chamber cooling system

☢️ Radiation rate

Galaxy Express 3 (SM-J120A)Asus ROG Phone (512GB)
SAR 1.6W/kg (USA, Mexico, etc.)0.99W/kg (head), 1.25W/kg (body)feature not registered
SAR 2W/kg (Europe, UK, etc.)1.03W/kg (head), 0.439W/kg (body)feature not registered
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