Samsung Galaxy S8 (SM-G950R4) vs Xiaomi Mi 9 (128GB/6GB)
Side by side comparison between Samsung Galaxy S8 vs Xiaomi Mi 9 phones, differences, pros, cons and full specifications. What's the better?
,
5.8"
AMOLED
AMOLED
1440x2960
12.2
MP
MP
8mp
4GB
RAM
RAM
Octa-core
3000
mAh
mAh
(Non removable)
vs
6.39"
AMOLED
AMOLED
1080x2340
48
MP
MP
20mp
6GB
RAM
RAM
Octa-core
3300
mAh
mAh
(Non removable)
What's the better phone? Samsung Galaxy S8 (SM-G950R4)
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!
16 Advantages 
15 Advantages | 26 Common items in both devices |
| Aluminum frame, glass front/back |
| Super AMOLED |
| 16 million |
| PDAF on back camera and autofocus front camera / LDAF/PDAF: laser/phase detection autofocus |
| HDR photo/video on both cameras / HDR photo on both cameras |
| 4K UHD (3840x2160) |
| 4G LTE-A |
| +19 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 S8 (SM-G950R4) | Xiaomi Mi 9 (128GB/6GB) | |
| Model | Galaxy S8 (SM-G950R4) | Xiaomi Mi 9 (128GB/6GB) |
| Other model names | US Cellular Galaxy S8 G950R4 (Snapdragon), Samsung Dream | 小米9, Xiaomi Mi9 (6GB RAM), M1902F1A, M1902F1G, M1902F1T |
| Country or region available |  USA |   China, (Global, International) |
| Brand | Samsung | Xiaomi |
| Release date | 4/21/2017, Announced: 3/29/2017 | 3/1/2019 |
| Depth | 8 millimeters (0.31 inches) | 7.61 millimeters (0.3 inches) |
| Size (width x height) | 68.1 x 148.9 millimeters (2.68 x 5.86 in) | 74.67 x 157.5 millimeters (2.94 x 6.2 in) |
| Weight | 155 grams (5.43 ounces) | 173 grams (6.06 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 S8 (SM-G950R4) | Xiaomi Mi 9 (128GB/6GB) | |
| Display type | Super AMOLED | Super AMOLED |
| Screen size | 5.8" inches | 6.39" inches |
| Screen-to-body ratio | ~84.2% (screen-to-body ratio) | ~85.2% (screen-to-body ratio) |
| Display resolution | 1440x2960 pixels (18.5:9) | 1080x2340 pixels |
| Touchscreen | Capacitive Multitouch 10-points | Capacitive Multitouch |
| Pixel density (dot pitch) | 568 PPI | 403 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 5 | Gorilla Glass 6 |
| Refresh rate | 60Hz | feature not registered |
| Display features | HDR10 | feature not registered |
🤖 Operating System | ||
| Galaxy S8 (SM-G950R4) | Xiaomi Mi 9 (128GB/6GB) | |
| System version | Android 7.0 Nougat | Android 9.0 Pie |
| Firmware update | Android 9.0 Pie | Android 10 |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Galaxy S8 (SM-G950R4) | Xiaomi Mi 9 (128GB/6GB) | |
| Chipset | 64bit: Qualcomm Snapdragon 835 (MSM8998) (10nm) | 64bit: Qualcomm Snapdragon 855 (SM8150) (7nm) |
| CPU | Octa-core, 2 processors: 4x 2.35GHz Kryo 280 (Quad-core) 4x 1.9GHz Kryo 280 (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 | Qualcomm Adreno 540 (670-710MHz) | Qualcomm Adreno 640 (585MHz) |
| Performance (benchmark) | AnTuTu: 199022 (v7) Geekbench: 6656 (v4.4) GFXBench: 13fps (ES 3.1 onscreen) | feature not registered |
💽 Memory and storage | ||
| Galaxy S8 (SM-G950R4) | Xiaomi Mi 9 (128GB/6GB) | |
| RAM memory | 4GB LPDDR4 | 6GB LPDDR4X |
| Internal storage | 64GB (51GB available) UFS 2.0 | 128GB (109GB available) UFS 2.1 |
| External storage | Until 1TB microSD, microSDXC (dedicated slot) | Not supported |
📶 Mobile networks | ||
| Galaxy S8 (SM-G950R4) | Xiaomi Mi 9 (128GB/6GB) | |
| Dual-SIM | Not supported | Dual-SIM Standby - Call active on one sim card |
| SIM card | 1 slot (Single-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 800/1900, GSM 850/900/1800/1900 | CDMA 800, GSM 850/900/1800/1900 |
| Primary 3G network | CDMA2000 EV-DO UMTS 850/900/1900/2100 | CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 850/900/1700/1900/2100 |
| Primary 4G network | LTE Cat16 (2,4,5,8,12,13,18,19,25) TD-LTE (38,39,40) | 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) |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, 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 | Not supported | GSM 850/900/1800/1900 |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | Not supported | GPRS, EDGE |
📷 Camera | ||
| Galaxy S8 (SM-G950R4) | Xiaomi Mi 9 (128GB/6GB) | |
| Back camera (main camera) | 12.2 megapixels | (triple camera) 48 megapixels 16MP ultrawide f/2.213mm1/3.0"1.0µmPDAF 12MP telephoto f/2.254mm1/3.6"1.0µmPDAF2x-optical-zoom |
| Main camera resolution | 4032x3024 pixels | 8000x6000 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 30 fps | 4K UHD (3840x2160) 60 fps |
| Flash | LED flash | Dual-LED flash |
| Focal aperture | f/1.7 (aperture) | f/1.8 (aperture) |
| Focal length | 26mm lens | feature not registered |
| Sensor size | 1/2.55" inches | 1/2" inches |
| Pixel size | 1.4µm pixel | 0.8µm pixel |
| Autofocus | PDAF on back camera and autofocus front camera | LDAF/PDAF: laser/phase detection autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | OIS: Optical stabilization | EIS: Digital stabilization |
| Zoom | Only digital zoom | Digital and optical 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 | feature not registered | feature not registered |
📸 Front camera | ||
| Galaxy S8 (SM-G950R4) | Xiaomi Mi 9 (128GB/6GB) | |
| Front camera (secondary) | 8 megapixels | 20 megapixels |
| Front camera resolution | 3264x2448 pixels | 5184x3840 pixels |
| Video recording (secondary) | 2K UHD (2560x1440) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/1.7 (aperture) | f/2.0 (aperture) |
| Focal length | 25mm lens | feature not registered |
| Sensor size | 1/3.6" inches | feature not registered |
| Pixel size | 1.22µm pixel | 0.9µm pixel |
🔉 Sound and multimedia | ||
| Galaxy S8 (SM-G950R4) | Xiaomi Mi 9 (128GB/6GB) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | FM | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263, DivX, XviD | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Galaxy S8 (SM-G950R4) | Xiaomi Mi 9 (128GB/6GB) | |
| USB | USB 3.1 Type-C, USB OTG On-The-Go | USB 2.0 Type-C, USB OTG On-The-Go |
| Audio output | 3.5mm jack | Type-C jack with 3.5mm jack adapter |
| 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 [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 | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS |
| NFC | Supported | Supported |
| Infrared port | Not supported | Supported |
🧭 Sensors | ||
| Galaxy S8 (SM-G950R4) | Xiaomi Mi 9 (128GB/6GB) | |
| Sensors | Accelerometer Ambient light sensor ANT+ Barometer Compass Face unlock Fingerprint sensor (rear-mounted) Gyroscope Hall effect Heart rate Iris scanner Proximity sensor SpO2 | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (under display) Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy S8 (SM-G950R4) | Xiaomi Mi 9 (128GB/6GB) | |
| Battery type | Li-Ion: lithium-ion (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 3000 mAh | 3300 mAh |
| Charger, watts | 15W (9V/1.67A) Wired fast charging Quick Charge 2 | 27W Wired fast charging |
| Inductive / wireless charging | Qi wireless charging (Qi/PMA) | Qi wireless charging |
| Talk time autonomy | 29 hours (1.2 days) | feature not registered |
| Standby | 326 hours (13.6 days) | feature not registered |
➕ Other features | ||
| Galaxy S8 (SM-G950R4) | Xiaomi Mi 9 (128GB/6GB) | |
| 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: 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 | • Colors: Piano Black, Lavender Violet, Ocean Blue • MIUI 10 • HDR10/DCI-P3 display • Sapphire glass camera cover • Quick Charge 4+ • Fast wireless charging 20W |
☢️ Radiation rate | ||
| Galaxy S8 (SM-G950R4) | Xiaomi Mi 9 (128GB/6GB) | |
| 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 |