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Asus ROG Phone 2 (128GB) vs Samsung Galaxy S20 Ultra 5G (SM-G988U)

Side by side comparison between Asus ROG Phone 2 vs Samsung Galaxy S20 Ultra 5G phones, differences, pros, cons with full specifications. What's the better?

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

1080x2340

48
MP

24mp

12GB
RAM

64bit Octa

6000
mAh

(Non removable)

vs
27PointsSamsung Galaxy S20 Ultra 5G (SM-G988U)Compare Asus ROG Phone 2 X
Samsung Galaxy S20 Ultra 5G (SM-G988U)
6.9"
AMOLED

1440x3200

108
MP

40mp

12GB
RAM

64bit Octa

5000
mAh

(Non removable)

What's the better phone? Samsung Galaxy S20 Ultra 5G (SM-G988U)

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!

ROG Phone 2 (128GB)5 Advantages Asus ROG Phone 2 (128GB)vsGalaxy S20 Ultra 5G (SM-G988U)27 Advantages Samsung Galaxy S20 Ultra 5G (SM-G988U)
+2.96Ghz 64bit Octa-Core2%
More powerful processor, you can open your applications faster
vs2.84Ghz 64bit Octa-Core
+1 billion62 times
More colors on the screen is better quality images and videos
vs16 million
+Dual-LED flashAdvantage
The Dual-LED flash helps in dark places or in low light
vsLED flash
+3.5mm jackAdvantage
Headsets with 3.5mm Jack size are more common and easy to find in stores
vsType-C reversible connector
+6000 mAh20%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
vs5000 mAh
12GB LPDDR4Xvs+12GB LPDDR5Advantage
This RAM type is better and more efficient.
Not supportedvs+Until 1TB microSD, microSDXCAdvantage
More external storage for files using memory cards
240 grams (8.4 ounces)vs+222 grams (7.77 ounces)8%
Lighter
9.78 millimeters (0.39 inches)vs+8.8 millimeters (0.35 inches)11%
Thinner
AMOLEDvs+Dynamic AMOLEDAdvantage
Dynamic AMOLED display is brighter and more vivid
HDR10vs+HDR10+Advantage
The HDR10+ display provides vibrant colors and more details
1080x2340 pixelsvs+1440x3200 pixels82%
Higher resolution screen
391 PPIvs+509 PPI30%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
6.59"vs+6.9"5%
Larger screen
(dual camera) 48MP + 13MPvs+(quad camera) 108MP + 48MP + 12MP + 0.3MP176%
Higher resolution main camera
Only digital zoomvs+Digital and optical zoomAdvantage
The zoom allows for better focus and approach to take pictures
EIS: Digital stabilizationvs+OIS: 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
1/2" inchesvs+1/1.33" inches50%
The larger sensor camera lets you take photos with better depth.
(front) 24MPvs+(front) 40MP68%
Higher resolution secondary camera to take pictures and selfies
4K UHD (3840x2160)vs+8K UHD (7680x4320)3 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
4G+ LTE-Avs+5G NRAdvantage
The 5G NR network is newer and faster
(4G+ LTE-A) 1200 Mbpsvs+(5G NR) 5000 Mbps3 times
Faster for surfing the internet and download files
Not supportedvs+BarometerAdvantage
Sensors help you use the device
Not supportedvs+ANT+Advantage
Sensors help you use the device
30Wvs+45W50%
More power (watts) to charge the battery faster. Sometimes, the charger that comes with the device doesn't have the same power supported by the device. Check before you buy it.
Not supportedvs+Qi wireless charging (Qi/PMA)Advantage
Wireless charging is another way to charge the battery.
Not supportedvs+FMAdvantage
The radio lets you listen to your songs and sports in general
Not supportedvs+DLNAAdvantage
With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.
USB 3.1 Type-C reversible connectorvs+USB 3.2 Type-C, USB OTG On-The-GoAdvantage
Newer and faster USB version for transferring photos, mp3 or data.
Not supportedvs+IP68 certifiedAdvantage
Protection against water allows you talk to your friends in the rain, for example

29 Common items in both devices
128GB (107GB available) / 128GB (104GB available)
UFS 3.0
Aluminum frame, glass front/back
120Hz
LDAF/PDAF: laser/phase detection autofocus / PDAF: phase detection autofocus on both cameras
HDR photo on both cameras / HDR photo/video on both cameras
f/1.8 (aperture)
+22 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 featuresAsus ROG Phone 2 (128GB)Samsung Galaxy S20 Ultra 5G (SM-G988U)
ModelROG Phone 2 (128GB)Galaxy S20 Ultra 5G (SM-G988U)
Other model namesAsus ROG Phone II ZS660KL (128GB + 12GB RAM)Galaxy S20 Ultra 5G (Snapdragon, 12GB RAM) - US Carriers
Country or region available(Global, International)
(Global, International)
USA
USA
BrandAsusSamsung
Release dateAugust, 2019March, 2020
Depth9.78 millimeters (0.39 inches)8.8 millimeters (0.35 inches)
Size (width x height)77.6 x 170.99 millimeters (3.06 x 6.73 in)76 x 166.9 millimeters (2.99 x 6.57 in)
Weight240 grams (8.4 ounces)222 grams (7.77 ounces)
Qwerty physical keyboardNot supportedNot supported
AntennaInternal antennaInternal antenna
Build, materialsAluminum frame, glass front/backAluminum frame, glass front/back
Protection against water and othersNot supportedIP68 certified: dust proof and waterproof over 1.5 meter and 30min
System (OS)Asus ROG Phone 2 (128GB)Samsung Galaxy S20 Ultra 5G (SM-G988U)
Operating systemAndroid 9.0 PieAndroid 10
Firmware updateAndroid 10feature not registered
HardwareAsus ROG Phone 2 (128GB)Samsung Galaxy S20 Ultra 5G (SM-G988U)
Chipset64bit - Qualcomm Snapdragon 855 Plus SDM855 (7nm)64bit - Qualcomm Snapdragon 865 SM8250 (7nm)
CPU processorOcta-Core, 3 processors:
2.96Ghz Single-Core Kryo 485
2.42Ghz 3-Cores Kryo 485
1.8Ghz Quad-Core Kryo 485
Octa-Core, 3 processors:
2.84Ghz Single-Core Kryo 585
2.42Ghz 3-Cores Kryo 585
1.8Ghz Quad-Core Kryo 585
GPU graphical controllerQualcomm Adreno 640 672MhzQualcomm Adreno 650
RAM memory12GB LPDDR4X12GB LPDDR5
Internal storage128GB (107GB available)
UFS 3.0
128GB (104GB available)
UFS 3.0
External storageNot supportedUntil 1TB microSD, microSDXC
(dedicated slot)
DisplayAsus ROG Phone 2 (128GB)Samsung Galaxy S20 Ultra 5G (SM-G988U)
Display typeAMOLEDDynamic AMOLED
Screen size6.59" inches6.9" inches
Screen-to-body ratio~80.3% (screen-to-body ratio)~90.6% (screen-to-body ratio)
Display resolution1080x2340 pixels (19.5:9)1440x3200 pixels (20:9)
TouchscreenCapacitive Multitouch 10-pointsCapacitive Multitouch 10-points
Pixel density (dot pitch)391 PPI509 PPI
Colors1 billion16 million
Scratch-resistant glassGorilla Glass 6Gorilla Glass 6
Display features120Hz, 600 nits, HDR10120Hz, HDR10+
Mobile networksAsus ROG Phone 2 (128GB)Samsung Galaxy S20 Ultra 5G (SM-G988U)
Dual-SIMDual-SIM Standby - Call active on one sim cardDual-SIM Standby - Call active on one sim card
(dedicated slot)
SIM card2 slots (Dual-SIM)
nano-SIM (4FF)
1 slot (Single-SIM)
nano-SIM (4FF) + e-SIM
Maximum download/upload1200/150 Mbps5000/200 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 850/900/1900/2100UMTS 850/900/1700/1900/2100
Primary 4G networkLTE 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)
LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 29, 30, 66, 71)
TD-LTE (38, 39, 40, 41, 46, 48)
VoLTE
Primary 5G networkNot supportedSA/NSA/Sub6 (2, 5, 41, 66, 71)
mmWave (260, 261)
Primary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-AGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, 5G SA/NSA, 5G NR
Secondary 2G networkGSM 850/900/1800/1900Not supported
Secondary 3G networkNot supportedNot supported
Secondary 4G networkNot supportedNot supported
Secondary data networkGPRS, EDGENot supported
CallingAsus ROG Phone 2 (128GB)Samsung Galaxy S20 Ultra 5G (SM-G988U)
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
CameraAsus ROG Phone 2 (128GB)Samsung Galaxy S20 Ultra 5G (SM-G988U)
Back camera (main camera)(dual camera)
48 megapixels
13MP ultrawidef/2.411mm125º
(quad camera)
108 megapixels
48MP periscope telephotof/3.5103mm1/2.0"0.8µmPDAFOIS4x-optical-zoom10x-hybrid-zoom
12MP ultrawidef/2.213mm1.4µmSuper-Steady-video
0.3MP TOF 3Df/1.0
Main camera resolution8000x6000 pixels12000x9000 pixels
Video recording (primary)4K UHD (3840x2160) 60 fps8K UHD (7680x4320) 24 fps
FlashDual-LED flashLED flash
Focal aperturef/1.8 (aperture)f/1.8 (aperture)
Focal length26mm lens26mm lens
Sensor size1/2" inches1/1.33" inches
Pixel size0.8µm pixel0.8µm pixel
AutofocusLDAF/PDAF: laser/phase detection autofocusPDAF: phase detection autofocus on both cameras
Touch focusSupportedSupported
Image stabilizationEIS: Digital stabilizationOIS: Optical stabilization
ZoomOnly digital zoomDigital and optical zoom
Face/smile detectionFace detection, Smile detectionFace detection, Smile detection
BSI sensorNot supportedSupported
HDRHDR photo on both camerasHDR photo/video on both cameras
2ª cameraAsus ROG Phone 2 (128GB)Samsung Galaxy S20 Ultra 5G (SM-G988U)
Front camera (secondary)24 megapixels40 megapixels
Front camera resolution5632x4224 pixels7296x5472 pixels
Video recording (secondary)Full HD (1920x1080)4K UHD (3840x2160)
Front flashNot supportedNot supported
Focal aperturefeature not registeredf/2.2 (aperture)
Focal lengthfeature not registered26mm lens
Sensor sizefeature not registeredfeature not registered
Pixel sizefeature not registered0.7µm pixel
MultimediaAsus ROG Phone 2 (128GB)Samsung Galaxy S20 Ultra 5G (SM-G988U)
RadioNot supportedFM
TVNot supportedNot supported
Video formatsMP4, H.265, H.264, H.263, XviDMP4, H.265, H.264, H.263, XviD, MKV
Audio formatsMP3, WAV, WMA, eAAC+, FLACMP3, WAV, WMA, eAAC+, FLAC
ConnectivityAsus ROG Phone 2 (128GB)Samsung Galaxy S20 Ultra 5G (SM-G988U)
USBUSB 3.1 Type-C reversible connectorUSB 3.2 Type-C, USB OTG On-The-Go
TV outputUSB Type-C (reversible)USB Type-C (reversible)
Audio output3.5mm jackType-C reversible connector
Bluetooth5.0 + A2DP/LE5.0 + A2DP/LE
WiFi802.11 a/b/g/n/ac/ad (2.4Ghz, 5Ghz, 60Ghz) + MIMO802.11 a/b/g/n/ac/ax (2.4Ghz, 5Ghz) + MIMO
DLNANot supportedSupported
NFCSupportedSupported
GPSA-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSSA-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
Infrared portNot supportedNot supported
Other functionsAsus ROG Phone 2 (128GB)Samsung Galaxy S20 Ultra 5G (SM-G988U)
Active noise cancellationSupportedSupported
Vibrating alertSupportedSupported
RingtonesPolyphonic and customizedPolyphonic and customized
Web browserHTML, XHTML, HTML5HTML, XHTML, HTML5
SensorsAccelerometer
Proximity sensor
Compass
Ambient Light sensor
Gyroscope
Hall effect
Face unlock
Fingerprint sensor (under display)
Accelerometer
Proximity sensor
Compass
Ambient Light sensor
Gyroscope
Barometer
Gesture
Hall effect
Face unlock
Fingerprint sensor (under display)
ANT+
Other features- Colors: Black
- Front/back Gorilla glass
- 120Hz display (1ms response time)
- DCI-P3 108% display
- ROG UI
- Sony IMX586 back camera sensor
- DTS:X Ultra sound
- 24-bit/192kHz audio
- WiFi direct, hotspot
- Colors: Cosmic Black, Cosmic Grey, Cloud White
- Ultrasonic fingerprint sensor
- One UI 2
- Always-on display
- 32-bit/384kHz audio
- Dolby Atmos/AKG sound
- Bixby
- Samsung DeX
- Samsung Pay (MST, NFC)
- WiFi direct, hotspot
Power supplyAsus ROG Phone 2 (128GB)Samsung Galaxy S20 Ultra 5G (SM-G988U)
BatteryLiPo: Li-Ion polymer (Non removable)LiPo: Li-Ion polymer (Non removable)
Battery capacity6000 mAh5000 mAh
Charger, watts30W (10V/3A) Fast battery charging
10W Reverse charging USB between devices
Quick Charge 4
45W Fast battery charging
15W Qi wireless charging (Qi/PMA)
9W Reverse wireless charging between devices
USB Power Delivery 3.0
Talk time autonomyfeature not registeredfeature not registered
Standbyfeature not registeredfeature not registered
Radiation rateAsus ROG Phone 2 (128GB)Samsung Galaxy S20 Ultra 5G (SM-G988U)
SAR 1.6W/kg (USA, Mexico, etc.)feature not registered0.94W/kg (head) | 0.95W/kg (body)
SAR 2W/kg (Europe, UK, etc.)feature not registeredfeature not registered
X

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