Samsung Galaxy S20 Ultra (SM-G988B/DS) vs Asus Zenfone 6 (ZS630KL 128GB)
Side by side comparison between Samsung Galaxy S20 Ultra vs Asus Zenfone 6 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
6.4"
IPS
IPS
1080x2340
48
MP
MP
48mp
6GB
RAM
RAM
Octa-core
5000
mAh
mAh
(Non removable)
What's the better phone? Samsung Galaxy S20 Ultra (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!
24 Advantages 
6 Advantages | 25 Common items in both devices |
| 128GB (104GB available) / 128GB (109GB available) |
| Until 1TB microSD, microSDXC |
| Aluminum frame, glass front/back |
| 16 million |
| PDAF: phase detection autofocus on both cameras / LDAF/PDAF: laser/phase detection autofocus |
| HDR photo/video on both cameras / HDR photo on both cameras |
| f/1.8 (aperture) |
| +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 differences Clear highlight📱 Model features | ||
| Galaxy S20 Ultra (SM-G988B/DS) | Asus Zenfone 6 (ZS630KL 128GB) | |
| Model | Galaxy S20 Ultra (SM-G988B/DS) | Zenfone 6 (ZS630KL 128GB) |
| Other model names | Galaxy S20 Ultra 4G-LTE SM-G988B/Dual-Sim (Exynos, 12GB RAM) | Asus Zenfone 6 2019 (6GB RAM) ASUS_I01WD, ZS630KL, I01WD |
| Country or region available |  (Global, International) | (Global, International) |
| Brand | Samsung | Asus |
| Release date | 3/15/2020, Announced: 2/11/2020 | 5/16/2019 |
| Depth | 8.8 millimeters (0.35 inches) | 9.2 millimeters (0.36 inches) |
| Size (width x height) | 76 x 166.9 millimeters (2.99 x 6.57 in) | 75.4 x 159.1 millimeters (2.97 x 6.26 in) |
| Weight | 220 grams (7.7 ounces) | 190 grams (6.65 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 (SM-G988B/DS) | Asus Zenfone 6 (ZS630KL 128GB) | |
| Display type | Dynamic AMOLED | TFT IPS LCD |
| Screen size | 6.9" inches | 6.4" inches |
| Screen-to-body ratio | ~90.6% (screen-to-body ratio) | ~83.8% (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 | 403 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 6 | Gorilla Glass 6 |
| Refresh rate | 120Hz | 60Hz |
| Display features | HDR10+ Always-On Display 120Hz@FHD 60Hz@QHD | 600nits[peak] HDR10 |
🤖 Operating System | ||
| Galaxy S20 Ultra (SM-G988B/DS) | Asus Zenfone 6 (ZS630KL 128GB) | |
| System version | Android 10 | Android 9.0 Pie |
| 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 (SM-G988B/DS) | Asus Zenfone 6 (ZS630KL 128GB) | |
| Chipset | 64bit: Samsung Exynos 990 (7nm) | 64bit: Qualcomm Snapdragon 855 (SM8150) (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 485 (Single-core) 3x 2.42GHz Kryo 485 (Triple-core) 4x 1.78GHz Kryo 485 (Quad-core) |
| GPU graphical controller | ARM Mali-G77 MP11 (800MHz) | Qualcomm Adreno 640 (585MHz) |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Galaxy S20 Ultra (SM-G988B/DS) | Asus Zenfone 6 (ZS630KL 128GB) | |
| RAM memory | 12GB LPDDR5 | 6GB LPDDR4X |
| Internal storage | 128GB (104GB available) UFS 3.0 | 128GB (109GB available) UFS 2.1 |
| External storage | Until 1TB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot) | Until 1TB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Galaxy S20 Ultra (SM-G988B/DS) | Asus Zenfone 6 (ZS630KL 128GB) | |
| 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 (dedicated slot) |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) + e-SIM | 2 slots (Dual-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 2000/316 Mbps | 1200/150 Mbps |
| Network technology | 2G, 3G, 4G | 2G, 3G, 4G |
| 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 | GSM 850/900/1800/1900 |
| Primary 3G network | UMTS 850/900/1700/1900/2100 | A version: UMTS 850/900/1900/2100 B, C version: UMTS 800/850/900/1700/1900/2100 |
| 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 Cat18 VoLTE A version: LTE (Bands 1, 2, 3, 5, 7, 8, 20, 28) TD-LTE (Bands 38, 40, 41) B version: LTE (Bands 1, 2, 3, 4, 5, 7, 8, 18, 19, 26, 28) TD-LTE (Bands 38, 39, 41, 46) C version: LTE (Bands 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 26, 28) TD-LTE (Bands 38, 39, 41, 46) |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A |
| 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 (SM-G988B/DS) | Asus Zenfone 6 (ZS630KL 128GB) | |
| 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 | (dual camera) 48 megapixels 13MP ultrawide f/2.411mm |
| Main camera resolution | 12000x9000 pixels | 8000x6000 pixels |
| Video recording (primary) | 8K UHD (7680x4320) 24 fps | 4K UHD (3840x2160) 60 fps |
| Flash | LED flash | Dual-LED flash |
| Focal aperture | f/1.8 (aperture) | f/1.8 (aperture) |
| Focal length | 26mm lens | 26mm lens |
| Sensor size | 1/1.33" inches | 1/2" inches |
| Pixel size | 0.8µm pixel | 0.8µm pixel |
| Autofocus | PDAF: phase detection autofocus on both cameras | LDAF/PDAF: laser/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 (SM-G988B/DS) | Asus Zenfone 6 (ZS630KL 128GB) | |
| Front camera (secondary) | 40 megapixels | Uses the back motorized camera (flip-up/rotating) |
| Front camera resolution | 7296x5472 pixels | 8000x6000 pixels |
| Video recording (secondary) | 4K UHD (3840x2160) | 4K UHD (3840x2160) |
| Front flash | Not supported | Dual-LED flash |
| Focal aperture | f/2.2 (aperture) | f/1.8 (aperture) |
| Focal length | 26mm lens | 26mm lens |
| Sensor size | feature not registered | 1/2" inches |
| Pixel size | 0.7µm pixel | 0.8µm pixel |
🔉 Sound and multimedia | ||
| Galaxy S20 Ultra (SM-G988B/DS) | Asus Zenfone 6 (ZS630KL 128GB) | |
| Loudspeaker | Stereo sound 32-bit/384kHz Dolby Atmos Tuned by AKG | Supported |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | Not supported | FM |
| 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 (SM-G988B/DS) | Asus Zenfone 6 (ZS630KL 128GB) | |
| USB | USB 3.2 Type-C, USB OTG On-The-Go | USB 2.0 Type-C reversible connector |
| Audio output | Type-C reversible connector | 3.5mm jack |
| TV output | USB Type-C (reversible) | Not supported |
| Bluetooth | 5.0 + A2DP/LE | 5.0 + 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 [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot |
| DLNA | Supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS |
| NFC | Supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Galaxy S20 Ultra (SM-G988B/DS) | Asus Zenfone 6 (ZS630KL 128GB) | |
| Sensors | Accelerometer Ambient light sensor ANT+ Barometer Compass Face unlock Fingerprint sensor (under display) Gesture Gyroscope Hall effect Proximity sensor | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (rear-mounted) Gyroscope Hall effect Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy S20 Ultra (SM-G988B/DS) | Asus Zenfone 6 (ZS630KL 128GB) | |
| Battery type | LiPo: li-ion polymer (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 5000 mAh | 5000 mAh |
| Charger, watts | 45W Wired fast charging USB Power Delivery 3.0 | 18W (9V/2A) Wired fast charging |
| Inductive / wireless charging | 15W Qi wireless charging (Qi/PMA) 9W Reverse wireless charging | feature not registered |
| Talk time autonomy | feature not registered | 33 hours (1.4 days) |
| Standby | feature not registered | 624 hours (26 days) |
➕ Other features | ||
| Galaxy S20 Ultra (SM-G988B/DS) | Asus Zenfone 6 (ZS630KL 128GB) | |
| Call control | Voice dialing, Voice recorder, Voice commands | Voice dialing, Voice recorder |
| 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: Midnight Black, Twilight Silver • 19.5:9, HDR10, DCI-P3 100% display • Quick Charge 4.0 • 24-bit/192kHz audio • DTS Headphone X • Motorized flip-up main/selfie camera • Google Pay |
☢️ Radiation rate | ||
| Galaxy S20 Ultra (SM-G988B/DS) | Asus Zenfone 6 (ZS630KL 128GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 0.74W/kg (head), 1.12W/kg (body) | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | 0.319W/kg (head), 1.557W/kg (body) | feature not registered |