Samsung Galaxy S20 Ultra 5G (SM-G988B/DS) vs Asus ROG Phone 3 Strix (128GB/12GB)
Side by side comparison between Samsung Galaxy S20 Ultra 5G vs Asus ROG Phone 3 Strix phones, differences, pros, cons and full specifications. What's the better?
,
6.9"
AMOLED
AMOLED
1440x3200
108
MP
MP
40mp
12GB
RAM
RAM
Octa-core
5000
mAh
mAh
(Non removable)
vs
6.59"
AMOLED
AMOLED
1080x2340
64
MP
MP
24mp
12GB
RAM
RAM
Octa-core
6000
mAh
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!
23 Advantages 
6 Advantages | 31 Common items in both devices |
| 12GB LPDDR5 |
| 128GB (104GB available) / 128GB (100GB available) |
| Aluminum frame, glass front/back |
| HDR10+ |
| LED flash |
| PDAF: phase detection autofocus on both cameras / PDAF: phase detection autofocus |
| HDR photo/video on both cameras / HDR photo on both cameras |
| +24 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 S20 Ultra 5G (SM-G988B/DS) | Asus ROG Phone 3 Strix (128GB/12GB) | |
| Model | Galaxy S20 Ultra 5G (SM-G988B/DS) | ROG Phone 3 Strix (128GB/12GB) |
| Other model names | Galaxy S20 Ultra 5G SM-G988B/Dual-Sim (Snapdragon, 12GB RAM) | Asus ROG Phone 3 ZS661KS Strix edition (12GB RAM) |
| Country or region available |  (Global, International) | (Global, International) |
| Brand | Samsung | Asus |
| Release date | 3/6/2020, Announced: 2/11/2020 | 7/22/2020 |
| Depth | 8.8 millimeters (0.35 inches) | 9.85 millimeters (0.39 inches) |
| Size (width x height) | 76 x 166.9 millimeters (2.99 x 6.57 in) | 78 x 171 millimeters (3.07 x 6.73 in) |
| Weight | 222 grams (7.77 ounces) | 240 grams (8.4 ounces) |
| Build, materials | Aluminum frame, glass front/back | Aluminum frame, glass front/back |
| Protection against water and others | IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant | Not supported |
📲 Display | ||
| Galaxy S20 Ultra 5G (SM-G988B/DS) | Asus ROG Phone 3 Strix (128GB/12GB) | |
| Display type | Dynamic AMOLED | AMOLED |
| Screen size | 6.9" inches | 6.59" inches |
| Screen-to-body ratio | ~90.6% (screen-to-body ratio) | ~79.9% (screen-to-body ratio) |
| Display resolution | 1440x3200 pixels (20:9) | 1080x2340 pixels (19.5:9) |
| Touchscreen | Capacitive Multitouch 10-points | Capacitive Multitouch 10-points |
| Pixel density (dot pitch) | 509 PPI | 391 PPI |
| Colors | 16 million | 1 billion |
| Scratch-resistant glass | Gorilla Glass 6 | Gorilla Glass 6 |
| Refresh rate | 120Hz | 144Hz |
| Display features | HDR10+ Always-On Display 120Hz@FHD 60Hz@QHD | 650nits[typ] HDR10+ |
🤖 Operating System | ||
| Galaxy S20 Ultra 5G (SM-G988B/DS) | Asus ROG Phone 3 Strix (128GB/12GB) | |
| System version | Android 10 | Android 10 |
| Firmware update | Android 13 | feature not registered |
| User Interface | One UI 2.5 / 3.1 / 4.1 / 5.0 | feature not registered |
⚙️ Processor | ||
| Galaxy S20 Ultra 5G (SM-G988B/DS) | Asus ROG Phone 3 Strix (128GB/12GB) | |
| Chipset | 64bit: Samsung Exynos 990 (7nm) | 64bit: Qualcomm Snapdragon 865 (SM8250) (7nm) |
| CPU | 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) | Octa-core, 3 processors: 1x 2.84GHz Kryo 585 (Single-core) 3x 2.42GHz Kryo 585 (Triple-core) 4x 1.8GHz Kryo 585 (Quad-core) |
| GPU graphical controller | ARM Mali-G77 MP11 (800MHz) | Qualcomm Adreno 650 (250-587MHz) |
| Performance (benchmark) | AnTuTu: 415976 (v7), 514485 (v8) Geekbench: 12191 (v4.4), 2697 (v5.1) GFXBench: 21fps (ES 3.1 onscreen) | feature not registered |
💽 Memory and storage | ||
| Galaxy S20 Ultra 5G (SM-G988B/DS) | Asus ROG Phone 3 Strix (128GB/12GB) | |
| RAM memory | 12GB LPDDR5 | 12GB LPDDR5 |
| Internal storage | 128GB (104GB available) UFS 3.0 | 128GB (100GB available) UFS 3.1 |
| External storage | Until 1TB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot) | Not supported |
📶 Mobile networks | ||
| Galaxy S20 Ultra 5G (SM-G988B/DS) | Asus ROG Phone 3 Strix (128GB/12GB) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD slot) | Dual-SIM Standby - Call active on one sim card |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) + e-SIM | 2 slots (Dual-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 5000/1024 Mbps | 5000/150 Mbps |
| Network technology | 2G, 3G, 4G, 5G | 2G, 3G, 4G, 5G |
| Frequency, bands | Expand band details Collapse details | |
| GSM MHz band | Quad-Band 850/900/1800/1900 | Quad-Band 850/900/1800/1900 |
| Primary 2G network | GSM 850/900/1800/1900 | CDMA 800, GSM 850/900/1800/1900 |
| Primary 3G network | UMTS 850/900/1700/1900/2100 | CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 850/900/1700/1900/2100 |
| Primary 4G network | 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 | LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 20, 28) TD-LTE (34, 38, 39, 40, 41) VoLTE |
| Primary 5G network | SA/NSA/Sub6 (1, 3, 5, 7, 8, 28, 40, 77, 78) | SA/NSA (41, 77, 78, 79) |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA |
| Secondary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Secondary 3G network | UMTS 850/900/1700/1900/2100 | Not supported |
| Secondary 4G network | 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 | Not supported |
| Secondary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A | GPRS, EDGE |
📷 Camera | ||
| Galaxy S20 Ultra 5G (SM-G988B/DS) | Asus ROG Phone 3 Strix (128GB/12GB) | |
| Back camera (main camera) | (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 | (triple camera) 64 megapixels 13MP ultrawide f/2.4125°11mm 5MP macro f/2.0 |
| Main camera resolution | 12000x9000 pixels | 10120x6328 pixels |
| Video recording (primary) | 8K UHD (7680x4320) 24 fps | 8K UHD (7680x4320) 30 fps |
| Flash | LED flash | LED flash |
| Focal aperture | f/1.8 (aperture) | f/1.8 (aperture) |
| Focal length | 26mm (lens) | 26mm (lens) |
| Sensor size | 1/1.33" inches | 1/1.72" inches |
| Pixel size | 0.8µm pixel | 0.8µm pixel |
| Autofocus | PDAF: phase detection autofocus on both cameras | PDAF: phase detection autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | OIS: Optical stabilization | EIS: Digital stabilization |
| Zoom | Digital and optical zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Supported | Not supported |
| HDR | HDR photo/video on both cameras | HDR photo on both cameras |
| Camera extras | 4K@60fps 1080p@240fps 720p@960fps | feature not registered |
📸 Front camera | ||
| Galaxy S20 Ultra 5G (SM-G988B/DS) | Asus ROG Phone 3 Strix (128GB/12GB) | |
| Front camera (secondary) | 40 megapixels | 24 megapixels |
| Front camera resolution | 7296x5472 pixels | 5632x4224 pixels |
| Video recording (secondary) | 4K UHD (3840x2160) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.2 (aperture) | f/2.0 (aperture) |
| Focal length | 26mm (lens) | 27mm (lens) |
| Sensor size | feature not registered | feature not registered |
| Pixel size | 0.7µm pixel | 0.9µm pixel |
🔉 Sound and multimedia | ||
| Galaxy S20 Ultra 5G (SM-G988B/DS) | Asus ROG Phone 3 Strix (128GB/12GB) | |
| Loudspeaker | Stereo sound 32-bit/384kHz Dolby Atmos Tuned by AKG | Supported |
| Active noise cancellation | 2 microphones | 2 microphones or more |
| Radio | Not supported | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263, XviD, MKV | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Galaxy S20 Ultra 5G (SM-G988B/DS) | Asus ROG Phone 3 Strix (128GB/12GB) | |
| USB | USB 3.2 Type-C, USB OTG On-The-Go | USB 3.1 Type-C, USB OTG On-The-Go |
| Audio output | Type-C reversible connector | Type-C jack with 3.5mm jack adapter |
| TV output | USB Type-C (reversible) | USB Type-C (reversible) |
| Bluetooth | 5.0 + A2DP/LE | 5.1 + A2DP/LE |
| WiFi | 802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot | 802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot |
| DLNA | Supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou | A-GPS, GeoTagging, GLONASS, GALILEO, QZSS |
| NFC | Supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Galaxy S20 Ultra 5G (SM-G988B/DS) | Asus ROG Phone 3 Strix (128GB/12GB) | |
| Sensors | Accelerometer Ambient light sensor ANT+ Barometer Compass Face unlock 2D Fingerprint sensor (under display) Gesture Gyroscope Hall effect Proximity sensor | Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (under display) Gesture Gyroscope Hall effect Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy S20 Ultra 5G (SM-G988B/DS) | Asus ROG Phone 3 Strix (128GB/12GB) | |
| Battery type | LiPo: li-ion polymer (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 5000 mAh | 6000 mAh |
| Charger, watts | 45W Wired fast charging USB Power Delivery 3.0 | 30W Wired fast charging 10W Reverse charging by cable Quick Charge 3/4 USB Power Delivery 3.0 |
| Inductive / wireless charging | 15W Qi wireless charging (Qi/PMA) 9W Reverse wireless charging | Not supported |
| Talk time autonomy | feature not registered | feature not registered |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Galaxy S20 Ultra 5G (SM-G988B/DS) | Asus ROG Phone 3 Strix (128GB/12GB) | |
| Call control | Voice dialing, Voice recorder, Voice commands | Voice dialing, Voice recorder, Voice commands |
| Messaging | SMS (T9), MMS, E-mail, Push mail | SMS (T9), MMS, E-mail, Push mail |
| Hands-free calling | Supported | Supported |
| Video calling | Supported | Supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | HTML, XHTML, HTML5 | HTML, XHTML, HTML5 |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Cosmic Black, Cosmic Grey, Cloud White • Ultrasonic fingerprint sensor • Bixby • Samsung DeX • Samsung Pay (MST, NFC) | • Colors: Black glare • ROG UI (Republic Of Gamers) • Always-On display • DTS:X stereo speakers (2 amplifiers) • 24-bit/192kHz audio • AeroActive Cooler 3 |
☢️ Radiation rate | ||
| Galaxy S20 Ultra 5G (SM-G988B/DS) | Asus ROG Phone 3 Strix (128GB/12GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 0.74W/kg (head), 1.12W/kg (body) | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | 0.66W/kg (head), 1.557W/kg (body) | feature not registered |