Xiaomi Mi Mix 3 (128GB/6GB) vs Samsung Galaxy S20 Ultra (SM-G988B/DS)
Side by side comparison between Xiaomi Mi Mix 3 vs Samsung Galaxy S20 Ultra phones, differences, pros, cons and full specifications. What's the better?
,
6.39"
AMOLED
AMOLED
1080x2340
12
MP
MP
24mp
6GB
RAM
RAM
Octa-core
3200
mAh
mAh
(Non removable)
vs
6.9"
AMOLED
AMOLED
1440x3200
108
MP
MP
40mp
12GB
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!
5 Advantages 
26 Advantages | 25 Common items in both devices |
| 128GB (110GB available) / 128GB (104GB available) |
| Super AMOLED / Dynamic AMOLED |
| 16 million |
| Digital and optical zoom |
| 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 |
| +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 | ||
| Xiaomi Mi Mix 3 (128GB/6GB) | Galaxy S20 Ultra (SM-G988B/DS) | |
| Model | Xiaomi Mi Mix 3 (128GB/6GB) | Galaxy S20 Ultra (SM-G988B/DS) |
| Other model names | 小米MIX 3, Xiaomi Mix 3 M1810E5A | Galaxy S20 Ultra 4G-LTE SM-G988B/Dual-Sim (Exynos, 12GB RAM) |
| Country or region available |   (Global, International), China | (Global, International) |
| Brand | Xiaomi | Samsung |
| Release date | 11/1/2018, Announced: 10/1/2018 | 3/15/2020, Announced: 2/11/2020 |
| Depth | 8.5 millimeters (0.33 inches) | 8.8 millimeters (0.35 inches) |
| Size (width x height) | 74.69 x 157.89 millimeters (2.94 x 6.22 in) | 76 x 166.9 millimeters (2.99 x 6.57 in) |
| Weight | 218 grams (7.63 ounces) | 220 grams (7.7 ounces) |
| Build, materials | Aluminum body, glass front, ceramic back | Aluminum frame, glass front/back |
| Protection against water and others | Not supported | IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant |
📲 Display | ||
| Xiaomi Mi Mix 3 (128GB/6GB) | Galaxy S20 Ultra (SM-G988B/DS) | |
| Display type | Super AMOLED | Dynamic AMOLED |
| Screen size | 6.39" inches | 6.9" inches |
| Screen-to-body ratio | ~85% (screen-to-body ratio) | ~90.6% (screen-to-body ratio) |
| Display resolution | 1080x2340 pixels (19.5:9) | 1440x3200 pixels (20:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch 10-points |
| Pixel density (dot pitch) | 403 PPI | 509 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 3 | Gorilla Glass 6 |
| Refresh rate | 60Hz | 120Hz |
| Display features | 600nits[typ] HDR8 | HDR10+ Always-On Display 120Hz@FHD 60Hz@QHD |
🤖 Operating System | ||
| Xiaomi Mi Mix 3 (128GB/6GB) | Galaxy S20 Ultra (SM-G988B/DS) | |
| System version | Android 9.0 Pie | Android 10 |
| Firmware update | Android 10 | Android 13 |
| User Interface | MIUI 10 / 12 | One UI 2.5 / 3.1 / 4.1 / 5.0 |
⚙️ Processor | ||
| Xiaomi Mi Mix 3 (128GB/6GB) | Galaxy S20 Ultra (SM-G988B/DS) | |
| Chipset | 64bit: Qualcomm Snapdragon 845 (SDM845) (10nm) | 64bit: Samsung Exynos 990 (7nm) |
| CPU | Octa-core, 2 processors: 4x 2.8GHz 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 controller | Qualcomm Adreno 630 (710MHz) | ARM Mali-G77 MP11 (800MHz) |
| Performance (benchmark) | AnTuTu: 292353 (v7), 352130 (v8) Geekbench: 9065 (v4.4), 2170 (v5.1) GFXBench: 30fps (ES 3.1 onscreen) | feature not registered |
💽 Memory and storage | ||
| Xiaomi Mi Mix 3 (128GB/6GB) | Galaxy S20 Ultra (SM-G988B/DS) | |
| RAM memory | 6GB LPDDR4X | 12GB LPDDR5 |
| Internal storage | 128GB (110GB available) UFS 2.1 | 128GB (104GB available) UFS 3.0 |
| External storage | Not supported | Until 1TB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot) |
📶 Mobile networks | ||
| Xiaomi Mi Mix 3 (128GB/6GB) | Galaxy S20 Ultra (SM-G988B/DS) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card | Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD slot) |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 2 slots (Dual-SIM) nano-SIM (4FF) + e-SIM |
| Maximum Download / Upload | 600/50 Mbps | 2000/316 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 | CDMA 800/1900, GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Primary 3G network | Global version: UMTS 800/850/900/1700/1800/1900/2100 China version: CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 850/900/1700/1900/2100 | UMTS 850/900/1700/1900/2100 |
| Primary 4G network | LTE Cat11 VoLTE Global version: LTE (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 29, 30, 66) TD-LTE (34, 38, 39, 40, 41) China version: LTE (1, 2, 3, 4, 5, 7, 8, 12, 17, 20) TD-LTE (34, 38, 39, 40, 41) | 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 network | Not supported | Not supported |
| Primary data network | 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 | 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 | Global version: UMTS 800/850/900/1700/1800/1900/2100 China version: UMTS 850/900/1700/1900/2100 | UMTS 850/900/1700/1900/2100 |
| Secondary 4G network | LTE Cat11 VoLTE Global version: LTE (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 29, 30, 66) TD-LTE (34, 38, 39, 40, 41) China version: LTE (1, 2, 3, 4, 5, 7, 8, 12, 17, 20) TD-LTE (34, 38, 39, 40, 41) | 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 |
| Secondary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A |
📷 Camera | ||
| Xiaomi Mi Mix 3 (128GB/6GB) | Galaxy S20 Ultra (SM-G988B/DS) | |
| Back camera (main camera) | (dual camera) 12 megapixels 12MP telephoto 1/3.4"1.0µm | (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 resolution | 4000x3000 pixels | 12000x9000 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 60 fps | 8K UHD (7680x4320) 24 fps |
| Flash | LED flash on both cameras | LED flash |
| Focal aperture | f/1.8 (aperture) | f/1.8 (aperture) |
| Focal length | feature not registered | 26mm lens |
| Sensor size | 1/2.55" inches | 1/1.33" inches |
| Pixel size | 1.4µm pixel | 0.8µm pixel |
| Autofocus | PDAF: phase detection autofocus | PDAF: phase detection autofocus on both cameras |
| Touch focus | Supported | Supported |
| Image stabilization | OIS (4-axis): Optical stabilization | OIS: Optical stabilization |
| Zoom | Digital and optical zoom | Digital and optical zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Supported | Supported |
| HDR | HDR photo on both cameras | HDR photo/video on both cameras |
| Camera extras | 4K@30/60fps 1080p@30/60/960fps | 4K@60fps 1080p@240fps 720p@960fps |
📸 Front camera | ||
| Xiaomi Mi Mix 3 (128GB/6GB) | Galaxy S20 Ultra (SM-G988B/DS) | |
| Front camera (secondary) | (dual front camera) 24 megapixels 2MP depth | 40 megapixels |
| Front camera resolution | 5656x4224 pixels | 7296x5472 pixels |
| Video recording (secondary) | Full HD (1920x1080) | 4K UHD (3840x2160) |
| Front flash | LED | Not supported |
| Focal aperture | f/2.0 (aperture) | f/2.2 (aperture) |
| Focal length | 26mm lens | 26mm lens |
| Sensor size | 1/2.8" inches | feature not registered |
| Pixel size | 0.9µm pixel | 0.7µm pixel |
🔉 Sound and multimedia | ||
| Xiaomi Mi Mix 3 (128GB/6GB) | Galaxy S20 Ultra (SM-G988B/DS) | |
| Loudspeaker | Mono sound (not stereo) | Stereo sound 32-bit/384kHz Dolby Atmos Tuned by AKG |
| Active noise cancellation | 2 microphones or more | 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 | ||
| Xiaomi Mi Mix 3 (128GB/6GB) | Galaxy S20 Ultra (SM-G988B/DS) | |
| USB | USB 2.0 Type-C, USB OTG On-The-Go | USB 3.2 Type-C, USB OTG On-The-Go |
| Audio output | Type-C jack with 3.5mm jack adapter | Type-C reversible connector |
| TV output | USB Type-C (reversible) | USB Type-C (reversible) |
| Bluetooth | 5.0 + A2DP/LE | 5.0 + A2DP/LE |
| WiFi | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot | 802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot |
| DLNA | Not supported | Supported |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou |
| NFC | Supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Xiaomi Mi Mix 3 (128GB/6GB) | Galaxy S20 Ultra (SM-G988B/DS) | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (rear-mounted) Gyroscope Virtual proximity sensor | Accelerometer Ambient light sensor ANT+ Barometer Compass Face unlock Fingerprint sensor (under display) Gesture Gyroscope Hall effect Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Xiaomi Mi Mix 3 (128GB/6GB) | Galaxy S20 Ultra (SM-G988B/DS) | |
| Battery type | Li-Ion: lithium-ion (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 3200 mAh | 5000 mAh |
| Charger, watts | 18W Wired fast charging Quick Charge 4 | 45W Wired fast charging USB Power Delivery 3.0 |
| Inductive / wireless charging | 10W Qi wireless charging | 15W Qi wireless charging (Qi/PMA) 9W Reverse wireless charging |
| Talk time autonomy | feature not registered | feature not registered |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Xiaomi Mi Mix 3 (128GB/6GB) | Galaxy S20 Ultra (SM-G988B/DS) | |
| Call control | Voice dialing, Voice recorder | 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: Onyx Black, Jade Green, Sapphire Blue • Mechanical pop-up front camera | • Colors: Cosmic Black, Cosmic Grey, Cloud White • Ultrasonic fingerprint sensor • Bixby • Samsung DeX • Samsung Pay (MST, NFC) |
☢️ Radiation rate | ||
| Xiaomi Mi Mix 3 (128GB/6GB) | Galaxy S20 Ultra (SM-G988B/DS) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 1.45W/kg (head), 1.57W/kg (body) | 0.74W/kg (head), 1.12W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | 0.319W/kg (head), 1.557W/kg (body) |