Xiaomi Mi Mix 3 (256GB/10GB) vs Samsung Galaxy A9 2018 (SM-A920F/DS 128GB/6GB)
Side by side comparison between Xiaomi Mi Mix 3 vs Samsung Galaxy A9 (2018) phones, differences, pros, cons and full specifications. What's the better?
,
6.39"
AMOLED
AMOLED
1080x2340
12
MP
MP
24mp
10GB
RAM
RAM
Octa-core
3200
mAh
mAh
(Non removable)
vs
6.3"
AMOLED
AMOLED
1080x2220
24
MP
MP
24mp
6GB
RAM
RAM
Octa-core
3800
mAh
mAh
(Non removable)
What's the better phone? Xiaomi Mi Mix 3 (256GB/10GB)
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!
17 Advantages 
10 Advantages | 26 Common items in both devices |
| Super AMOLED |
| 60Hz |
| 16 million |
| Digital and optical zoom |
| PDAF: phase detection autofocus |
| HDR photo on both cameras |
| 4K UHD (3840x2160) |
| +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 | ||
| Xiaomi Mi Mix 3 (256GB/10GB) | Galaxy A9 2018 (SM-A920F/DS 128GB/6GB) | |
| Model | Xiaomi Mi Mix 3 (256GB/10GB) | Galaxy A9 2018 (SM-A920F/DS 128GB/6GB) |
| Other model names | 小米MIX 3, Xiaomi Mix 3 Special edition | Galaxy A9 SM-A920F/Dual-Sim (6GB RAM), SM-A920FZBJZTO |
| Country or region available |  China |     (Europe), Brazil, India, Malaysia |
| Brand | Xiaomi | Samsung |
| Release date | 11/1/2018, Announced: 10/1/2018 | 10/11/2018 |
| Depth | 8.5 millimeters (0.33 inches) | 7.8 millimeters (0.31 inches) |
| Size (width x height) | 74.69 x 157.89 millimeters (2.94 x 6.22 in) | 77 x 162.5 millimeters (3.03 x 6.4 in) |
| Weight | 218 grams (7.63 ounces) | 183 grams (6.41 ounces) |
| Build, materials | Aluminum body, glass front, ceramic back | Aluminum body, glass front |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Xiaomi Mi Mix 3 (256GB/10GB) | Galaxy A9 2018 (SM-A920F/DS 128GB/6GB) | |
| Display type | Super AMOLED | Super AMOLED |
| Screen size | 6.39" inches | 6.3" inches |
| Screen-to-body ratio | ~85% (screen-to-body ratio) | ~80.5% (screen-to-body ratio) |
| Display resolution | 1080x2340 pixels (19.5:9) | 1080x2220 pixels (18.5:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 403 PPI | 392 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 3 | Gorilla Glass 5 |
| Refresh rate | 60Hz | 60Hz |
| Display features | 600nits[typ] HDR8 | Not supported |
🤖 Operating System | ||
| Xiaomi Mi Mix 3 (256GB/10GB) | Galaxy A9 2018 (SM-A920F/DS 128GB/6GB) | |
| System version | Android 9.0 Pie | Android 8.0 Oreo |
| Firmware update | Android 10 | Android 9.0 Pie |
| User Interface | MIUI 10 / 12 | feature not registered |
⚙️ Processor | ||
| Xiaomi Mi Mix 3 (256GB/10GB) | Galaxy A9 2018 (SM-A920F/DS 128GB/6GB) | |
| Chipset | 64bit: Qualcomm Snapdragon 845 (SDM845) (10nm) | 64bit: Qualcomm Snapdragon 660 SDM660 (14nm) |
| CPU | Octa-core, 2 processors: 4x 2.8GHz Kryo 385 Gold (Quad-core) 4x 1.7GHz Kryo 385 Silver (Quad-core) | Octa-core, 2 processors: 4x 2.2GHz Kryo 260 Gold (Quad-core) 4x 1.8GHz Kryo 260 Silver (Quad-core) |
| GPU graphical controller | Qualcomm Adreno 630 (710MHz) | Qualcomm Adreno 512 650Mhz |
| 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 (256GB/10GB) | Galaxy A9 2018 (SM-A920F/DS 128GB/6GB) | |
| RAM memory | 10GB LPDDR4X | 6GB LPDDR4X |
| Internal storage | 256GB (240GB available) UFS 2.1 | 128GB (110GB available) eMMC 5.1 |
| External storage | Not supported | Until 1TB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Xiaomi Mi Mix 3 (256GB/10GB) | Galaxy A9 2018 (SM-A920F/DS 128GB/6GB) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card | Dual-SIM Standby - Call active on one sim card (dedicated slot) |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 2 slots (Dual-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 600/50 Mbps | 450/50 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 850/900/1900/2100 |
| 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 Cat9 (1, 3, 5, 7, 8, 20) TD-LTE (38, 40) |
| 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 | Not supported |
| 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) | Not supported |
| Secondary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A | GPRS, EDGE |
📷 Camera | ||
| Xiaomi Mi Mix 3 (256GB/10GB) | Galaxy A9 2018 (SM-A920F/DS 128GB/6GB) | |
| Back camera (main camera) | (dual camera) 12 megapixels 12MP telephoto 1/3.4"1.0µm | (quad camera) 24 megapixels 10MP telephoto f/2.452mm1/3.9"1.0µmAF2x-optical-zoom 8MP ultrawide f/2.412mm1/4.0"1.12µm 5MP depth f/2.2 |
| Main camera resolution | 4000x3000 pixels | 5656x4240 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 60 fps | 4K UHD (3840x2160) 30 fps |
| Flash | LED flash on both cameras | LED flash |
| Focal aperture | f/1.8 (aperture) | f/1.7 (aperture) |
| Focal length | feature not registered | 27mm lens |
| Sensor size | 1/2.55" inches | 1/2.8" inches |
| Pixel size | 1.4µm pixel | 0.9µm pixel |
| Autofocus | PDAF: phase detection autofocus | PDAF: phase detection autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | OIS (4-axis): Optical stabilization | EIS: Digital stabilization |
| Zoom | Digital and optical zoom | Digital and optical zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Supported | Not supported |
| HDR | HDR photo on both cameras | HDR photo on both cameras |
| Camera extras | 4K@30/60fps 1080p@30/60/960fps | feature not registered |
📸 Front camera | ||
| Xiaomi Mi Mix 3 (256GB/10GB) | Galaxy A9 2018 (SM-A920F/DS 128GB/6GB) | |
| Front camera (secondary) | (dual front camera) 24 megapixels 2MP depth | 24 megapixels |
| Front camera resolution | 5656x4224 pixels | 5656x4240 pixels |
| Video recording (secondary) | Full HD (1920x1080) | Full HD (1920x1080) |
| Front flash | LED | Not supported |
| Focal aperture | f/2.0 (aperture) | f/2.0 (aperture) |
| Focal length | 26mm lens | 27mm lens |
| Sensor size | 1/2.8" inches | 1/2.8" inches |
| Pixel size | 0.9µm pixel | 0.9µm pixel |
🔉 Sound and multimedia | ||
| Xiaomi Mi Mix 3 (256GB/10GB) | Galaxy A9 2018 (SM-A920F/DS 128GB/6GB) | |
| Loudspeaker | Mono sound (not stereo) | 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 | ||
| Xiaomi Mi Mix 3 (256GB/10GB) | Galaxy A9 2018 (SM-A920F/DS 128GB/6GB) | |
| USB | USB 2.0 Type-C, USB OTG On-The-Go | USB 2.0 Type-C, USB OTG On-The-Go |
| Audio output | Type-C jack with 3.5mm jack adapter | 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 [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot |
| DLNA | Not supported | Not 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 (256GB/10GB) | Galaxy A9 2018 (SM-A920F/DS 128GB/6GB) | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (rear-mounted) Gyroscope Virtual proximity sensor | Accelerometer Ambient light sensor ANT+ Compass Fingerprint sensor (rear-mounted) Gyroscope Hall effect Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Xiaomi Mi Mix 3 (256GB/10GB) | Galaxy A9 2018 (SM-A920F/DS 128GB/6GB) | |
| Battery type | Li-Ion: lithium-ion (Non removable) | Li-Ion: lithium-ion (Non removable) |
| Battery capacity | 3200 mAh | 3800 mAh |
| Charger, watts | 18W Wired fast charging Quick Charge 4 | 18W Wired fast charging |
| Inductive / wireless charging | 10W Qi wireless charging | Not supported |
| Talk time autonomy | feature not registered | feature not registered |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Xiaomi Mi Mix 3 (256GB/10GB) | Galaxy A9 2018 (SM-A920F/DS 128GB/6GB) | |
| Call control | Voice dialing, Voice recorder | 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: Forbidden City Special Edition (blue) • Mechanical pop-up front camera | • Colors: Caviar Black, Lemonade Blue, Bubblegum Pink • Samsung Pay • Dolby Atmos |
☢️ Radiation rate | ||
| Xiaomi Mi Mix 3 (256GB/10GB) | Galaxy A9 2018 (SM-A920F/DS 128GB/6GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 1.45W/kg (head), 1.57W/kg (body) | 0.27W/kg (head), 0.84W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |