Skip to content

Asus ROG Phone (128GB) vs Samsung Galaxy S20 Ultra 5G (SM-G988B/DS)

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

,
6"
AMOLED

1080x2160

12
MP

8mp

8GB
RAM

Octa-core

4000
mAh

(Non removable)

vs
28Points Samsung Galaxy S20 Ultra 5G (SM-G988B/DS) Compare Asus ROG Phone X
6.9"
AMOLED

1440x3200

108
MP

40mp

12GB
RAM

Octa-core

5000
mAh

(Non removable)

What's the better phone? Samsung Galaxy S20 Ultra 5G (SM-G988B/DS)

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 (128GB)} 5 Advantages Asus ROG Phone (128GB) vs Galaxy S20 Ultra 5G (SM-G988B/DS)} 28 Advantages Samsung Galaxy S20 Ultra 5G (SM-G988B/DS)
+2.96GHz 64bit Octa-core6%
More powerful processor, you can open your applications faster
vs2.73GHz 64bit Octa-core (7nm)
+200 grams (7 ounces)11%
Lighter
vs222 grams (7.77 ounces)
+8.65 millimeters (0.34 inches)2%
Thinner
vs8.8 millimeters (0.35 inches)
+3.5mm jackAdvantage
Headsets with 3.5mm Jack size are more common and easy to find in stores
vsType-C reversible connector
+FMAdvantage
The radio lets you listen to your songs and sports in general
vsNot supported
8GB LPDDR4Xvs+12GB LPDDR550%
More RAM memory. Typically more responsive and better for multitasking.
UFS 2.1vs+UFS 3.0Advantage
Fastest write and read storage.
Not supportedvs+Until 1TB microSD, microSDXCAdvantage
More external storage for files using memory cards
AMOLEDvs+Dynamic AMOLEDAdvantage
Dynamic AMOLED display is brighter and more vivid
HDR8vs+HDR10+Advantage
The HDR10+ display provides vibrant colors and more details
90Hzvs+120Hz33%
The display reproduces more frames per second because the frequency (Hertz) is higher, improves fluidity and tires your eyes less.
1080x2160 pixelsvs+1440x3200 pixels98%
Higher resolution screen
402 PPIvs+509 PPI27%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
6"vs+6.9"15%
Larger screen
(dual camera) 12MP + 8MPvs+(quad camera) 108MP + 48MP + 12MP + 0.3MP7 times
Higher resolution main camera
Only digital zoomvs+Digital and optical zoomAdvantage
The zoom allows for better focus and approach to take pictures
Not supportedvs+BSI sensorAdvantage
The BSI sensor allows the entry of more light generating photos with more detail and brightness
1/2.55" inchesvs+1/1.33" inches92%
The larger sensor camera lets you take photos with better depth.
(front) 8MPvs+(front) 40MP4 times
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
Android 9.0 Pievs+Android 13Advantage
Android 13 is newer and safer
4G LTE-Avs+5G SA/NSAAdvantage
The 5G SA/NSA network is newer and faster
(4G LTE-A) 1024 Mbpsvs+(5G SA/NSA) 5000 Mbps4 times
Faster for surfing the internet and download files
Not supportedvs+ANT+Advantage
Sensors help you use the device
Not supportedvs+BarometerAdvantage
Sensors help you use the device
4000 mAhvs+5000 mAh25%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
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.
2 slots (Dual-SIM)vs+2 slots (Dual-SIM) + e-SIM (Eletronic)
(hybrid slot/shares the same microSD slot)Advantage
You can have more mobile carriers/operators on the same device.
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.
Water splash resistant (don't immerse)vs+IP68 certifiedAdvantage
Protection against water allows you talk to your friends in the rain, for example

28 Common items in both devices
128GB (109GB available) / 128GB (104GB available)
Aluminum frame, glass front/back
16 million
LED flash
PDAF: phase detection autofocus / PDAF: phase detection autofocus on both cameras
OIS (4-axis): Optical stabilization / OIS: Optical stabilization
HDR photo on both cameras / HDR photo/video on both cameras
+21 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

Asus ROG Phone (128GB)Galaxy S20 Ultra 5G (SM-G988B/DS)
ModelROG Phone (128GB)Galaxy S20 Ultra 5G (SM-G988B/DS)
Other model namesAsus ROG Phone ZS600KL, Z01QDGalaxy S20 Ultra 5G SM-G988B/Dual-Sim (Snapdragon, 12GB RAM)
Country or region available(Global, International)
(Global, International)
(Global, International)
(Global, International)
BrandAsusSamsung
Release date9/1/20183/6/2020, Announced: 2/11/2020
Depth8.65 millimeters (0.34 inches)8.8 millimeters (0.35 inches)
Size (width x height)76.16 x 158.83 millimeters (3 x 6.25 in)76 x 166.9 millimeters (2.99 x 6.57 in)
Weight200 grams (7 ounces)222 grams (7.77 ounces)
Build, materialsAluminum frame, glass front/backAluminum frame, glass front/back
Protection against water and othersWater splash resistant (don't immerse)IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant

📲 Display

Asus ROG Phone (128GB)Galaxy S20 Ultra 5G (SM-G988B/DS)
Display typeAMOLEDDynamic AMOLED
Screen size6" inches6.9" inches
Screen-to-body ratio~76.8% (screen-to-body ratio)~90.6% (screen-to-body ratio)
Display resolution1080x2160 pixels (18:9)1440x3200 pixels (20:9)
TouchscreenCapacitive Multitouch 10-pointsCapacitive Multitouch 10-points
Pixel density (dot pitch)402 PPI509 PPI
Colors16 million16 million
Scratch-resistant glassGorilla Glass 3Gorilla Glass 6
Refresh rate90Hz120Hz
Display features550nits[typ]
HDR8
HDR10+
Always-On Display
120Hz@FHD
60Hz@QHD

🤖 Operating System

Asus ROG Phone (128GB)Galaxy S20 Ultra 5G (SM-G988B/DS)
System versionAndroid 8.1 OreoAndroid 10
Firmware updateAndroid 9.0 PieAndroid 13
User Interfacefeature not registeredOne UI 2.5 / 3.1 / 4.1 / 5.0

⚙️ Processor

Asus ROG Phone (128GB)Galaxy S20 Ultra 5G (SM-G988B/DS)
Chipset64bit: Qualcomm Snapdragon 845 MSM8998 (10nm)64bit: Samsung Exynos 990 (7nm)
CPUOcta-core, 2 processors:
4x 2.96GHz Kryo 385 Gold (Quad-core)
4x 1.7GHz Kryo 385 Silver (Quad-core)
Octa-core, 3 processors:
2x 2.73GHz Mongoose M5 (Dual-core)
2x 2.5GHz ARM Cortex-A76 (Dual-core)
4x 2GHz ARM Cortex-A55 (Quad-core)
GPU graphical controllerQualcomm Adreno 630 710MhzARM Mali-G77 MP11 (800MHz)
Performance (benchmark)feature not registeredAnTuTu: 415976 (v7), 514485 (v8)
Geekbench: 12191 (v4.4), 2697 (v5.1)
GFXBench: 21fps (ES 3.1 onscreen)

💽 Memory and storage

Asus ROG Phone (128GB)Galaxy S20 Ultra 5G (SM-G988B/DS)
RAM memory8GB LPDDR4X12GB LPDDR5
Internal storage128GB (109GB available)
UFS 2.1
128GB (104GB available)
UFS 3.0
External storageNot supportedUntil 1TB microSD, microSDXC
(hybrid slot/shares the same SIM-2 slot)

📶 Mobile networks

Asus ROG Phone (128GB)Galaxy S20 Ultra 5G (SM-G988B/DS)
Dual-SIMDual-SIM Standby - Call active on one sim cardDual-SIM Standby - Call active on one sim card
(hybrid slot/shares the same microSD slot)
SIM card2 slots (Dual-SIM)
nano-SIM (4FF)
2 slots (Dual-SIM)
nano-SIM (4FF) + e-SIM
Maximum Download / Upload1024/150 Mbps5000/1024 Mbps
Network technology2G, 3G, 4G2G, 3G, 4G, 5G
Frequency, bands Expand band details Collapse details
GSM MHz bandQuad-Band 850/900/1800/1900Quad-Band 850/900/1800/1900
Primary 2G networkCDMA 800, GSM 850/900/1800/1900GSM 850/900/1800/1900
Primary 3G networkCDMA2000 1xEV-DO (B version)
TD-SCDMA 1900/2000 (B version)
UMTS 800/850/900/1700/1800/1900/2100
UMTS 850/900/1700/1900/2100
Primary 4G networkLTE 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)
LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 66)
TD-LTE (38, 39, 40, 41)
VoLTE
Primary 5G networkNot supportedSA/NSA/Sub6 (1, 3, 5, 7, 8, 28, 40, 77, 78)
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, SA/NSA
Secondary 2G networkGSM 850/900/1800/1900GSM 850/900/1800/1900
Secondary 3G networkNot supportedUMTS 850/900/1700/1900/2100
Secondary 4G networkNot supportedLTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 66)
TD-LTE (38, 39, 40, 41)
VoLTE
Secondary data networkGPRS, EDGEGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A

📷 Camera

Asus ROG Phone (128GB)Galaxy S20 Ultra 5G (SM-G988B/DS)
Back camera (main camera)(dual camera)
12 megapixels
8MP ultrawide 12mmFF
(quad camera)
108 megapixels
48MP periscope telephoto f/3.5103mm1/2.0"0.8µmPDAFOIS4x-optical-zoom10x-hybrid-zoom
12MP ultrawide f/2.213mm1.4µmSuper-Steady-video
0.3MP TOF 3D f/1.0
Main camera resolution4000x3000 pixels12000x9000 pixels
Video recording (primary)4K UHD (3840x2160) 60 fps8K UHD (7680x4320) 24 fps
FlashLED flashLED flash
Focal aperturef/1.8 (aperture)f/1.8 (aperture)
Focal length24mm (lens)26mm (lens)
Sensor size1/2.55" inches1/1.33" inches
Pixel size1.4µm pixel0.8µm pixel
AutofocusPDAF: phase detection autofocusPDAF: phase detection autofocus on both cameras
Touch focusSupportedSupported
Image stabilizationOIS (4-axis): Optical 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
Camera extrasfeature not registered4K@60fps
1080p@240fps
720p@960fps

📸 Front camera

Asus ROG Phone (128GB)Galaxy S20 Ultra 5G (SM-G988B/DS)
Front camera (secondary)8 megapixels40 megapixels
Front camera resolution3264x2448 pixels7296x5472 pixels
Video recording (secondary)Full HD (1920x1080)4K UHD (3840x2160)
Front flashNot supportedNot supported
Focal aperturef/2.0 (aperture)f/2.2 (aperture)
Focal length24mm (lens)26mm (lens)
Sensor sizefeature not registeredfeature not registered
Pixel sizefeature not registered0.7µm pixel

🔉 Sound and multimedia

Asus ROG Phone (128GB)Galaxy S20 Ultra 5G (SM-G988B/DS)
LoudspeakerSupportedStereo sound
32-bit/384kHz
Dolby Atmos
Tuned by AKG
Active noise cancellation2 microphones or more2 microphones
RadioFMNot supported
TVNot supportedNot supported
Video formatsMP4, H.265, H.264, H.263, XviDMP4, H.265, H.264, H.263, XviD, MKV
Audio formatsMP3, OGG, eAAC+, FLACMP3, WAV, WMA, eAAC+, FLAC

🔌 Connectivity

Asus ROG Phone (128GB)Galaxy S20 Ultra 5G (SM-G988B/DS)
USBUSB 3.1 Type-C reversible connectorUSB 3.2 Type-C, USB OTG On-The-Go
Audio output3.5mm jackType-C reversible connector
TV outputUSB Type-C (reversible)USB Type-C (reversible)
Bluetooth5.0 + A2DP/LE5.0 + A2DP/LE
WiFi802.11 a/b/g/n/ac/ad [wifi5/ad] (2.4GHz, 5GHz, 60GHz) + MIMO
WiFi Direct, hotspot
802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO
WiFi Direct, hotspot
DLNANot supportedSupported
GPSA-GPS, GeoTagging, GLONASS, BeiDouA-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
NFCSupportedSupported
Infrared portNot supportedNot supported

🧭 Sensors

Asus ROG Phone (128GB)Galaxy S20 Ultra 5G (SM-G988B/DS)
SensorsAccelerometer
Ambient light sensor
Compass
Face unlock 2D
Fingerprint sensor (rear-mounted)
Gyroscope
Proximity sensor
Accelerometer
Ambient light sensor
ANT+
Barometer
Compass
Face unlock 2D
Fingerprint sensor (under display)
Gesture
Gyroscope
Hall effect
Proximity sensor
Vibrating alertSupportedSupported

🔋 Battery

Asus ROG Phone (128GB)Galaxy S20 Ultra 5G (SM-G988B/DS)
Battery typeLi-Ion: lithium-ion (Non removable)LiPo: li-ion polymer (Non removable)
Battery capacity4000 mAh5000 mAh
Charger, watts30W (10V/3A) Wired fast charging
Quick Charge 4+
45W Wired fast charging
USB Power Delivery 3.0
Inductive / wireless chargingNot supported15W Qi wireless charging (Qi/PMA)
9W Reverse wireless charging
Talk time autonomyfeature not registeredfeature not registered
Standbyfeature not registeredfeature not registered

➕ Other features

Asus ROG Phone (128GB)Galaxy S20 Ultra 5G (SM-G988B/DS)
Call controlVoice dialing, Voice recorderVoice dialing, Voice recorder, Voice commands
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: 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
• Colors: Cosmic Black, Cosmic Grey, Cloud White
• Ultrasonic fingerprint sensor
• Bixby
• Samsung DeX
• Samsung Pay (MST, NFC)

☢️ Radiation rate

Asus ROG Phone (128GB)Galaxy S20 Ultra 5G (SM-G988B/DS)
SAR 1.6W/kg (USA, Mexico, etc.)feature not registered0.74W/kg (head), 1.12W/kg (body)
SAR 2W/kg (Europe, UK, etc.)feature not registered0.66W/kg (head), 1.557W/kg (body)
X

🍪 We use cookies to provide and improve our services. By using this website, you consent to cookies. Further details: Privacy policy.