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Samsung Galaxy S20 Ultra vs Asus ROG Phone 2 (128GB)

Side by side comparison, pros, cons, differences between Samsung Galaxy S20 Ultra vs Asus ROG Phone 2 phones with full specifications. What's the best?

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Compare Asus ROG Phone 2 XSamsung Galaxy S20 Ultra28Points
Samsung Galaxy S20 Ultra
6.9"
AMOLED

1440x3200

108
MP

40mp

12GB
RAM

64bit Octa

5000
mAh

(Non removable)

vs
Asus ROG Phone 2 (128GB)
6.59"
AMOLED

1080x2340

48
MP

24mp

12GB
RAM

64bit Octa

6000
mAh

(Non removable)

What's the better phone? Samsung Galaxy S20 Ultra

The phonemore's choice is much more technical than personal, so don't just evaluate it. Our goal is to help, but what's important to us may not be important to you. You decide which is the best! Comment!

Galaxy S20 Ultra28 Advantages Samsung Galaxy S20 UltravsROG Phone 2 (128GB)7 Advantages Asus ROG Phone 2 (128GB)
+Until 1TB microSD, microSDXCAdvantage
More external storage for files using memory cards
vsNot supported
+221 grams (7.74 ounces)9%
Lighter
vs240 grams (8.4 ounces)
+8.8 millimeters (0.35 inches)11%
Thinner
vs9.78 millimeters (0.39 inches)
+Stainless steel body, glass front/backAdvantage
More resistant material
vsAluminum frame, glass front/back
+Dynamic AMOLEDAdvantage
This device has a Dynamic AMOLED screen, which are brighter and more vivid
vsAMOLED
+1440x3200 pixels82%
Higher resolution screen
vs1080x2340 pixels
+509 PPI30%
Crisper display of text, images and video because it has more pixels per inch (ppi)
vs391 PPI
+6.9"5%
Larger screen
vs6.59"
+(quad camera) 108MP + 48MP + 12MP + 0.04MP175%
Higher resolution main camera
vs(dual camera) 48MP + 13MP
+Digital and optical zoomAdvantage
The zoom allows for better focus and approach to take pictures
vsOnly digital zoom
+PDAF: phase detection autofocus on both camerasAdvantage
You with less worry when taking pictures with auto focus
vsLDAF/PDAF: laser/phase detection autofocus
+OIS: Optical stabilizationAdvantage
Image stabilization prevents blurry photos and helps in recording motion video
vsEIS: Digital stabilization
+BSI sensorAdvantage
The BSI sensor allows the entry of more light generating photos with more detail and brightness
vsNot supported
+f/1.5 (aperture)20%
Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure
vsf/1.8 (aperture)
+(front) 40MP68%
Higher resolution secondary camera to take pictures and selfies
vs(front) 24MP
+8K UHD (7680x4320)3 times
More image quality for recording videos with the primary camera
vs4K UHD (3840x2160)
+(front) 4K UHD (3840x2160)3 times
More image quality for recording videos with the secondary camera
vs(front) Full HD (1920x1080)
+Android 10Advantage
Android 10 is newer and safer
vsAndroid 9.0 Pie
+(4G+ LTE-A) 2000 Mbps67%
Faster for surfing the internet and download files
vs(4G+ LTE-A) 1200 Mbps
+BarometerAdvantage
Sensors help you use the device
vsNot supported
+Heart rateAdvantage
Sensors help you use the device
vsNot supported
+SpO2Advantage
Sensors help you use the device
vsNot supported
+ANT+Advantage
Sensors help you use the device
vsNot supported
+FMAdvantage
The radio lets you listen to your songs and sports in general
vsNot supported
+DLNAAdvantage
With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device
vsNot supported
+5.1 version A2DP/LEAdvantage
Bluetooth 5.1 version A2DP/LE is newer and faster
vs5.0 version A2DP/LE
+USB 3.2 Type-C, USB OTG On-The-GoAdvantage
More speed data transfer as mp3 and photos via USB
vsUSB 3.1 Type-C reversible connector
+IP68 certifiedAdvantage
Protection against water allows you talk to your friends in the rain, for example
vsNot supported
2.84Ghz 64bit Octa-Corevs+2.96Ghz 64bit Octa-Core1%
More powerful processor, you can open your applications faster
LED flashvs+Dual LED flashAdvantage
The Dual LED flash helps in dark places or in low light
1/2.55" inchesvs+1/2" inches28%
The larger sensor camera lets you take photos with better depth
Type-C reversible connectorvs+3.5mm jackAdvantage
Headsets with 3.5mm Jack size are more common and easy to find in stores
5000 mAhvs+6000 mAh20%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
1 slotvs+2 slots Dual-SIMAdvantage
It's more advantageous to have more than one phone operator in the same device
Not supportedvs+USB Type-C (reversible)Advantage
The TV-output lets you use your device on TV by cable

25 Common items in both devices
12GB LPDDR5
128GB (107GB user free)
UFS 3.0
16 million
HDR photo/video on both cameras / HDR photo on both cameras
4G+ LTE-A
Capacitive
+18 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 S20 UltraAsus ROG Phone 2 (128GB)
ModelGalaxy S20 UltraROG Phone 2 (128GB)
Other model namesSamsung Galaxy S20 Ultra 5GAsus ROG Phone II ZS660KL (128GB + 12GB RAM)
Country or region available(Global, International)
(Global, International)
(Global, International)
(Global, International)
BrandSamsungAsus
Release dateMarch, 2020August, 2019
Depth8.8 millimeters (0.35 inches)9.78 millimeters (0.39 inches)
Size (width x height)76 x 167 millimeters (2.99 x 6.57 in)77.6 x 170.99 millimeters (3.06 x 6.73 in)
Weight221 grams (7.74 ounces)240 grams (8.4 ounces)
Qwerty physical keyboardNot supportedNot supported
AntennaInternal antennaInternal antenna
Build, materialsStainless steel body, glass front/backAluminum frame, glass front/back
Protection against water and othersIP68 certified: dust proof and waterproof over 1.5 meter and 30minNot supported
System (OS)Samsung Galaxy S20 UltraAsus ROG Phone 2 (128GB)
Operating systemAndroid 10Android 9.0 Pie
Firmware updatefeature not registeredfeature not registered
HardwareSamsung Galaxy S20 UltraAsus ROG Phone 2 (128GB)
Chipset64bit - Qualcomm Snapdragon 865 SM8250 (7nm)64bit - Qualcomm Snapdragon 855 Plus SDM855 (7nm)
CPU processorOcta-Core, 3 processors:
2.84Ghz Single-Core Kryo 585
2.42Ghz 3-Cores Kryo 585
1.9Ghz Quad-Core Kryo 585
Octa-Core, 3 processors:
2.96Ghz Single-Core Kryo 485
2.42Ghz 3-Cores Kryo 485
1.8Ghz Quad-Core Kryo 485
GPU graphical controllerQualcomm Adreno 650Qualcomm Adreno 640 672Mhz
RAM memory12GB LPDDR512GB LPDDR4X
Internal storage128GB (107GB user free)
UFS 3.0
128GB (107GB user free)
UFS 3.0
External storageUntil 1TB microSD, microSDXC
(dedicated slot)
Not supported
DisplaySamsung Galaxy S20 UltraAsus ROG Phone 2 (128GB)
Display typeDynamic AMOLEDAMOLED
Screen size6.9" inches6.59" inches
Screen-to-body ratio~90.6% (screen-to-body ratio)~80.3% (screen-to-body ratio)
TouchscreenCapacitive MultitouchCapacitive Multitouch 10-points
Display resolution1440x3200 pixels1080x2340 pixels
Pixel density (dot pitch)509 PPI391 PPI
Colors16 million16 million
Scratch-resistant glassGorilla Glass 6Gorilla Glass 6
Mobile networksSamsung Galaxy S20 UltraAsus ROG Phone 2 (128GB)
Dual-SIMNot supportedDual SIM Standby - Call active on one sim card
(dedicated slot)
SIM card1 slot
nano-SIM (4FF)
2 slots Dual-SIM
nano-SIM (4FF)
Maximum download/upload2000/150 Mbps1200/150 Mbps
Network technology2G, 3G, 4G2G, 3G, 4G
Frequency, bandsExpand band detailsCollapse details
GSM Mhz bandQuad-Band 850/900/1800/1900Quad-Band 850/900/1800/1900
Primary 2G networkCDMA 800/1900, GSM 850/900/1800/1900GSM 850/900/1800/1900
Primary 3G networkCDMA2000 1xEV-DO
TD-SCDMA 1900/2000
UMTS 850/900/1700/1900/2100
UMTS 850/900/1900/2100
Primary 4G networkLTE Cat20 (Bands )
TD-LTE (Bands )
VoLTE
LTE Cat18 (Bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 28, 29, 32, 34)
TD-LTE (Bands 38, 39, 40, 41, 46)
Primary 5G networkNot supportedNot supported
Primary data networkGPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-AGPRS, EDGE, UMTS, 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
CallingSamsung Galaxy S20 UltraAsus ROG Phone 2 (128GB)
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, Voice commands
CameraSamsung Galaxy S20 UltraAsus ROG Phone 2 (128GB)
Back camera (main camera)(quad camera)
108 megapixels
48MP telephoto (PDAF, OIS, 10x opt-zoom)
12MP ultrawide (AF Super Steady video)
0.04MP TOF (Time-of-Flight)
(dual camera)
48 megapixels
13MP ultrawide (f/2.4 11mm 125º)
Main camera resolution12000x9000 pixels8000x6000 pixels
Video recording (primary)8K UHD (7680x4320) 24 fps4K UHD (3840x2160) 60 fps
FlashLED flashDual LED flash
Focal aperturef/1.5 (aperture)f/1.8 (aperture)
Focal length26mm lens26mm lens
Sensor size1/2.55" inches1/2" inches
Pixel size1.4µm pixel0.8µm pixel
AutofocusPDAF: phase detection autofocus on both camerasLDAF/PDAF: laser/phase detection autofocus
Touch focusSupportedSupported
Image stabilizationOIS: Optical stabilizationEIS: Digital stabilization
ZoomDigital and optical zoomOnly digital zoom
Face/smile detectionFace detection, Smile detectionFace detection, Smile detection
BSI sensorSupportedNot supported
HDRHDR photo/video on both camerasHDR photo on both cameras
2ª cameraSamsung Galaxy S20 UltraAsus ROG Phone 2 (128GB)
Front camera (secondary)40 megapixels24 megapixels
Front camera resolution7296x5472 pixels5632x4224 pixels
Video recording (secondary)4K UHD (3840x2160)Full HD (1920x1080)
Front flashNot supportedNot supported
Focal aperturef/1.9 (aperture)feature not registered
Focal length26mm lensfeature not registered
Sensor size1/3.2" inchesfeature not registered
Pixel size1.22µm pixelfeature not registered
MultimediaSamsung Galaxy S20 UltraAsus ROG Phone 2 (128GB)
RadioFMNot supported
TVNot supportedNot supported
Video formatsMP4, H.265, H.264, H.263, XviD, MKVMP4, H.265, H.264, H.263, XviD
Audio formatsMP3, WAV, WMA, eAAC+, FLACMP3, WAV, WMA, eAAC+, FLAC
ConnectivitySamsung Galaxy S20 UltraAsus ROG Phone 2 (128GB)
USBUSB 3.2 Type-C, USB OTG On-The-GoUSB 3.1 Type-C reversible connector
TV outputNot supportedUSB Type-C (reversible)
Audio outputType-C reversible connector3.5mm jack
Bluetooth5.1 version A2DP/LE5.0 version A2DP/LE
WiFi802.11 a/b/g/n/ac/ax + MIMO (2.4Ghz, 5Ghz)802.11 a/b/g/n/ac/ad + MIMO (2.4Ghz, 5Ghz, 60Ghz)
DLNASupportedNot supported
NFCSupportedSupported
GPSA-GPS, GeoTagging, GLONASS, GALILEO, BeiDouA-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS
Infrared portNot supportedNot supported
Other functionsSamsung Galaxy S20 UltraAsus ROG Phone 2 (128GB)
Active noise cancellationSupportedSupported
Vibrating alertSupportedSupported
RingtonesPolyphonic and customizedPolyphonic and customized
Web browserHTML, XHTML, HTML5HTML, XHTML, HTML5
Java / Flash playerNot supportedNot supported
SensorsAccelerometer
Proximity
Compass
Ambient Light
Gyroscope
Barometer
Gesture
Heart rate
SpO2
Hall effect
Face unlock
Fingerprint (under display)
ANT+
Accelerometer
Proximity
Compass
Ambient Light
Gyroscope
Hall effect
Face unlock
Fingerprint (under display)
Other features- Colors: Black and other colors
- Ultrasonic fingerprint sensor
- One UI 2
- Always-on display
- 20:9 ratio, 120Hz, HDR10+ display
- 32-bit/384kHz audio
- Dolby Atmos/AKG sound
- Bixby
- Samsung DeX
- Samsung Pay (MST, NFC)
- USB Power Delivery 2.0
- Wireless charging: 15W
- WiFi direct, hotspot
- Colors: Black
- Front/back Gorilla glass
- 120Hz display (1ms response time)
- HDR10 display
- DCI-P3 108% display
- ROG UI
- Sony IMX586 back camera sensor
- Quick Charge 4.0
- USB Power Delivery 3.0 (10W)
- DTS:X Ultra sound
- 24-bit/192kHz audio
- WiFi direct, hotspot
Power supplySamsung Galaxy S20 UltraAsus ROG Phone 2 (128GB)
BatteryLiPo - Li-Ion polymer (Non removable)
Fast battery charging
Qi wireless charging
Reverse wireless charging between devices
LiPo - Li-Ion polymer (Non removable)
Fast battery charging
Battery capacity5000 mAh6000 mAh
Battery model / charger (watts)45W10V/3A=30W
Talk time autonomyfeature not registeredfeature not registered
Standbyfeature not registeredfeature not registered
Radiation rateSamsung Galaxy S20 UltraAsus ROG Phone 2 (128GB)
SAR 1.6W/kg (USA, Mexico, etc.)feature not registeredfeature not registered
SAR 2W/kg (Europe, UK, etc.)feature not registeredfeature not registered