Xiaomi Mi 9 (128GB/6GB) vs Samsung Galaxy S8 Plus (SM-G9550 128GB)
Side by side comparison between Xiaomi Mi 9 vs Samsung Galaxy S8 Plus phones, differences, pros, cons and full specifications. What's the better?
,
6.39"
AMOLED
AMOLED
1080x2340
48
MP
MP
20mp
6GB
RAM
RAM
Octa-core
3300
mAh
mAh
(Non removable)
vs
6.2"
AMOLED
AMOLED
1440x2960
12.2
MP
MP
8mp
6GB
RAM
RAM
Octa-core
3500
mAh
mAh
(Non removable)
What's the better phone? Samsung Galaxy S8 Plus (SM-G9550 128GB)
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!
11 Advantages 
16 Advantages | 30 Common items in both devices |
| 6GB LPDDR4X / 6GB LPDDR4 |
| 128GB (109GB available) / 128GB (111GB available) |
| 173 grams (6.06 ounces) |
| Aluminum frame, glass front/back |
| Super AMOLED |
| 16 million |
| LDAF/PDAF: laser/phase detection autofocus / PDAF on back camera and autofocus front camera |
| +23 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 9 (128GB/6GB) | Galaxy S8 Plus (SM-G9550 128GB) | |
| Model | Xiaomi Mi 9 (128GB/6GB) | Galaxy S8 Plus (SM-G9550 128GB) |
| Other model names | 小米9, Xiaomi Mi9 (6GB RAM), M1902F1A, M1902F1G, M1902F1T | Galaxy S8+ Duos 6GB/128GB (Snapdragon), Samsung Dream 2 |
| Country or region available |   China, (Global, International) | China |
| Brand | Xiaomi | Samsung |
| Release date | 3/1/2019 | 4/21/2017, Announced: 3/29/2017 |
| Depth | 7.61 millimeters (0.3 inches) | 8.1 millimeters (0.32 inches) |
| Size (width x height) | 74.67 x 157.5 millimeters (2.94 x 6.2 in) | 73.4 x 160 millimeters (2.89 x 6.3 in) |
| Weight | 173 grams (6.06 ounces) | 173 grams (6.06 ounces) |
| Build, materials | Aluminum frame, glass front/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 9 (128GB/6GB) | Galaxy S8 Plus (SM-G9550 128GB) | |
| Display type | Super AMOLED | Super AMOLED |
| Screen size | 6.39" inches | 6.2" inches |
| Screen-to-body ratio | ~85.2% (screen-to-body ratio) | ~83.1% (screen-to-body ratio) |
| Display resolution | 1080x2340 pixels | 1440x2960 pixels (18.5:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch 10-points |
| Pixel density (dot pitch) | 403 PPI | 531 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 6 | Gorilla Glass 5 |
| Refresh rate | feature not registered | 60Hz |
| Display features | feature not registered | HDR10 |
🤖 Operating System | ||
| Xiaomi Mi 9 (128GB/6GB) | Galaxy S8 Plus (SM-G9550 128GB) | |
| System version | Android 9.0 Pie | Android 7.0 Nougat |
| Firmware update | Android 10 | Android 9.0 Pie |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Xiaomi Mi 9 (128GB/6GB) | Galaxy S8 Plus (SM-G9550 128GB) | |
| Chipset | 64bit: Qualcomm Snapdragon 855 (SM8150) (7nm) | 64bit: Qualcomm Snapdragon 835 (MSM8998) (10nm) |
| CPU | 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) | Octa-core, 2 processors: 4x 2.35GHz Kryo 280 (Quad-core) 4x 1.9GHz Kryo 280 (Quad-core) |
| GPU graphical controller | Qualcomm Adreno 640 (585MHz) | Qualcomm Adreno 540 (670-710MHz) |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Xiaomi Mi 9 (128GB/6GB) | Galaxy S8 Plus (SM-G9550 128GB) | |
| RAM memory | 6GB LPDDR4X | 6GB LPDDR4 |
| Internal storage | 128GB (109GB available) UFS 2.1 | 128GB (111GB available) UFS 2.0 |
| External storage | Not supported | Until 1TB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot) |
📶 Mobile networks | ||
| Xiaomi Mi 9 (128GB/6GB) | Galaxy S8 Plus (SM-G9550 128GB) | |
| 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) |
| Maximum Download / Upload | 1024/150 Mbps | 1024/150 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 | CDMA 800, GSM 850/900/1800/1900 | CDMA 800, GSM 850/900/1800/1900 |
| Primary 3G network | CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 850/900/1700/1900/2100 | CDMA2000 TD-SCDMA 1900/2000 UMTS 850/900/1900/2100 |
| Primary 4G network | LTE Cat16/13 VoLTE Global version: LTE (Bands 1, 2, 3, 4, 5, 7, 8, 12, 20, 28) TD-LTE (Bands 38, 39, 40) China version: LTE (Bands 1, 2, 3, 4, 5, 7, 8, 12, 17) TD-LTE (Bands 34, 38, 39, 40, 41) | LTE Cat16 (1,2,3,4,5,7,8,12,20,28,29,30) TD-LTE (38,39,40,41) |
| 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, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A |
| Secondary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | GPRS, EDGE | GPRS, EDGE |
📷 Camera | ||
| Xiaomi Mi 9 (128GB/6GB) | Galaxy S8 Plus (SM-G9550 128GB) | |
| Back camera (main camera) | (triple camera) 48 megapixels 16MP ultrawide f/2.213mm1/3.0"1.0µmPDAF 12MP telephoto f/2.254mm1/3.6"1.0µmPDAF2x-optical-zoom | 12.2 megapixels |
| Main camera resolution | 8000x6000 pixels | 4032x3024 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 60 fps | 4K UHD (3840x2160) 30 fps |
| Flash | Dual-LED flash | LED flash |
| Focal aperture | f/1.8 (aperture) | f/1.7 (aperture) |
| Focal length | feature not registered | 26mm lens |
| Sensor size | 1/2" inches | 1/2.55" inches |
| Pixel size | 0.8µm pixel | 1.4µm pixel |
| Autofocus | LDAF/PDAF: laser/phase detection autofocus | PDAF on back camera and autofocus front camera |
| Touch focus | Supported | Supported |
| Image stabilization | EIS: Digital stabilization | OIS: Optical stabilization |
| Zoom | Digital and optical zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Not supported | Supported |
| HDR | HDR photo on both cameras | HDR photo/video on both cameras |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Xiaomi Mi 9 (128GB/6GB) | Galaxy S8 Plus (SM-G9550 128GB) | |
| Front camera (secondary) | 20 megapixels | 8 megapixels |
| Front camera resolution | 5184x3840 pixels | 3264x2448 pixels |
| Video recording (secondary) | Full HD (1920x1080) | 2K UHD (2560x1440) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.0 (aperture) | f/1.7 (aperture) |
| Focal length | feature not registered | 25mm lens |
| Sensor size | feature not registered | 1/3.6" inches |
| Pixel size | 0.9µm pixel | 1.22µm pixel |
🔉 Sound and multimedia | ||
| Xiaomi Mi 9 (128GB/6GB) | Galaxy S8 Plus (SM-G9550 128GB) | |
| Loudspeaker | Supported | 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, DivX, XviD |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, eAAC+, FLAC |
🔌 Connectivity | ||
| Xiaomi Mi 9 (128GB/6GB) | Galaxy S8 Plus (SM-G9550 128GB) | |
| USB | USB 2.0 Type-C, USB OTG On-The-Go | USB 3.1 Type-C, USB OTG On-The-Go |
| Audio output | Type-C jack with 3.5mm jack adapter | 3.5mm jack |
| TV output | Not supported | 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 [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot |
| DLNA | Supported | Supported |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou |
| NFC | Supported | Supported |
| Infrared port | Supported | Not supported |
🧭 Sensors | ||
| Xiaomi Mi 9 (128GB/6GB) | Galaxy S8 Plus (SM-G9550 128GB) | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (under display) Gyroscope Proximity sensor | Accelerometer Ambient light sensor ANT+ Barometer Compass Face unlock Fingerprint sensor (rear-mounted) Gyroscope Hall effect Heart rate Iris scanner Proximity sensor SpO2 |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Xiaomi Mi 9 (128GB/6GB) | Galaxy S8 Plus (SM-G9550 128GB) | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Non removable) |
| Battery capacity | 3300 mAh | 3500 mAh |
| Charger, watts | 27W Wired fast charging | 15W (9V/1.67A) Wired fast charging Quick Charge 2 |
| Inductive / wireless charging | Qi wireless charging | Qi wireless charging (Qi/PMA) |
| Talk time autonomy | feature not registered | 34 hours (1.4 days) |
| Standby | feature not registered | 343 hours (14.3 days) |
➕ Other features | ||
| Xiaomi Mi 9 (128GB/6GB) | Galaxy S8 Plus (SM-G9550 128GB) | |
| 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: Piano Black, Lavender Violet, Ocean Blue • MIUI 10 • HDR10/DCI-P3 display • Sapphire glass camera cover • Quick Charge 4+ • Fast wireless charging 20W | • Colors: Black, Silver, Blue, Gold, Orchid Gray • Samsung DeX (desktop experience) • Curved edge screen • Corning Gorilla Glass 5 back panel • Samsung Gear VR compatible • Samsung Pay • 32bit/192kHz audio |
☢️ Radiation rate | ||
| Xiaomi Mi 9 (128GB/6GB) | Galaxy S8 Plus (SM-G9550 128GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |