Xiaomi Mi Mix 3 (128GB/6GB) vs Samsung Duos SCH-W299
Side by side comparison between Xiaomi Mi Mix 3 vs Samsung Duos SCH-W299 phones, differences, pros, cons and full specifications. What's the better?
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6.39"
AMOLED
AMOLED
1080x2340
12
MP
MP
24mp
6GB
RAM
RAM
Octa-core
3200
mAh
mAh
(Non removable)
vs
What's the better phone? Xiaomi Mi Mix 3 (128GB/6GB)
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!
30 Advantages 
4 Advantages | 5 Common items in both devices |
| 16 million |
| Hands-free calling |
| Vibrating alert |
| 2 slots (Dual-SIM) |
| USB 2.0 Type-C, USB OTG On-The-Go / USB 2.0 proprietary connector |
| + 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) | Samsung Duos SCH-W299 | |
| Model | Xiaomi Mi Mix 3 (128GB/6GB) | Duos SCH-W299 |
| Other model names | 小米MIX 3, Xiaomi Mix 3 M1810E5A | Samsung W299 Duos, Samsung Duos Touch |
| Country or region available |   (Global, International), China | feature not registered |
| Brand | Xiaomi | Samsung |
| Release date | 11/1/2018, Announced: 10/1/2018 | 5/1/2009 |
| Depth | 8.5 millimeters (0.33 inches) | 15.9 millimeters (0.63 inches) |
| Size (width x height) | 74.69 x 157.89 millimeters (2.94 x 6.22 in) | 49 x 113 millimeters (1.93 x 4.45 in) |
| Weight | 218 grams (7.63 ounces) | 114 grams (3.99 ounces) |
| Build, materials | Aluminum body, glass front, ceramic back | feature not registered |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Xiaomi Mi Mix 3 (128GB/6GB) | Samsung Duos SCH-W299 | |
| Display type | Super AMOLED | TFT LCD |
| Screen size | 6.39" inches | 2.2" inches |
| Screen-to-body ratio | ~85% (screen-to-body ratio) | ~27.1% (screen-to-body ratio) |
| Display resolution | 1080x2340 pixels (19.5:9) | 240x320 pixels |
| Touchscreen | Capacitive Multitouch | Not supported |
| Pixel density (dot pitch) | 403 PPI | 182 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 3 | Not supported |
| Refresh rate | 60Hz | feature not registered |
| Display features | 600nits[typ] HDR8 | feature not registered |
🤖 Operating System | ||
| Xiaomi Mi Mix 3 (128GB/6GB) | Samsung Duos SCH-W299 | |
| System version | Android 9.0 Pie | Proprietary OS |
| Firmware update | Android 10 | feature not registered |
| User Interface | MIUI 10 / 12 | feature not registered |
⚙️ Processor | ||
| Xiaomi Mi Mix 3 (128GB/6GB) | Samsung Duos SCH-W299 | |
| Chipset | 64bit: Qualcomm Snapdragon 845 (SDM845) (10nm) | 32bit |
| CPU | Octa-core, 2 processors: 4x 2.8GHz Kryo 385 Gold (Quad-core) 4x 1.7GHz Kryo 385 Silver (Quad-core) | Single-core, 1 processor: Single-core |
| GPU graphical controller | Qualcomm Adreno 630 (710MHz) | feature not registered |
| 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) | Samsung Duos SCH-W299 | |
| RAM memory | 6GB LPDDR4X | feature not registered |
| Internal storage | 128GB (110GB available) UFS 2.1 | 38MB |
| External storage | Not supported | Until 2GB microSD (dedicated slot) |
📶 Mobile networks | ||
| Xiaomi Mi Mix 3 (128GB/6GB) | Samsung Duos SCH-W299 | |
| 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) Standard mini-SIM (2FF) |
| Maximum Download / Upload | 600/50 Mbps | 0.048 Mbps |
| Network technology | 2G, 3G, 4G | 2G |
| Frequency, bands | Expand band details Collapse details | |
| GSM MHz band | Quad-Band 850/900/1800/1900 | Tri-Band 900/1800/1900 |
| Primary 2G network | CDMA 800/1900, GSM 850/900/1800/1900 | GSM 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 | Not supported |
| 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) | Not supported |
| 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 |
| Secondary 2G network | GSM 850/900/1800/1900 | CDMA 800 |
| 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 | CDMA2000 EV-DO Rev 0 |
📷 Camera | ||
| Xiaomi Mi Mix 3 (128GB/6GB) | Samsung Duos SCH-W299 | |
| Back camera (main camera) | (dual camera) 12 megapixels 12MP telephoto 1/3.4"1.0µm | 2 megapixels |
| Main camera resolution | 4000x3000 pixels | 1600x1200 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 60 fps | QCIF (176x144) |
| Flash | LED flash on both cameras | Not supported |
| Focal aperture | f/1.8 (aperture) | feature not registered |
| Focal length | feature not registered | feature not registered |
| Sensor size | 1/2.55" inches | feature not registered |
| Pixel size | 1.4µm pixel | feature not registered |
| Autofocus | PDAF: phase detection autofocus | Not supported |
| Touch focus | Supported | Not supported |
| Image stabilization | OIS (4-axis): Optical stabilization | feature not registered |
| Zoom | Digital and optical zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Not supported |
| BSI sensor | Supported | Not supported |
| HDR | HDR photo on both cameras | Not supported |
| Camera extras | 4K@30/60fps 1080p@30/60/960fps | feature not registered |
📸 Front camera | ||
| Xiaomi Mi Mix 3 (128GB/6GB) | Samsung Duos SCH-W299 | |
| Front camera (secondary) | (dual front camera) 24 megapixels 2MP depth | Not supported |
| Front camera resolution | 5656x4224 pixels | Not supported |
| Video recording (secondary) | Full HD (1920x1080) | Not supported |
| Front flash | LED | Not supported |
| Focal aperture | f/2.0 (aperture) | feature not registered |
| Focal length | 26mm (lens) | feature not registered |
| Sensor size | 1/2.8" inches | feature not registered |
| Pixel size | 0.9µm pixel | feature not registered |
🔉 Sound and multimedia | ||
| Xiaomi Mi Mix 3 (128GB/6GB) | Samsung Duos SCH-W299 | |
| Loudspeaker | Mono sound (not stereo) | Supported |
| Active noise cancellation | 2 microphones or more | Not supported |
| Radio | Not supported | FM (RDS) |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263, XviD, MKV | MP4, H.263 |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, eAAC+ |
🔌 Connectivity | ||
| Xiaomi Mi Mix 3 (128GB/6GB) | Samsung Duos SCH-W299 | |
| USB | USB 2.0 Type-C, USB OTG On-The-Go | USB 2.0 proprietary connector |
| Audio output | Type-C jack with 3.5mm jack adapter | proprietary audio output |
| TV output | USB Type-C (reversible) | Not supported |
| Bluetooth | 5.0 + A2DP/LE | 2.0 + A2DP |
| WiFi | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot | Not supported |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS | Not supported |
| NFC | Supported | Not supported |
| Infrared port | Not supported | feature not registered |
🧭 Sensors | ||
| Xiaomi Mi Mix 3 (128GB/6GB) | Samsung Duos SCH-W299 | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (rear-mounted) Gyroscope Virtual proximity sensor | Not supported |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Xiaomi Mi Mix 3 (128GB/6GB) | Samsung Duos SCH-W299 | |
| Battery type | Li-Ion: lithium-ion (Non removable) | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 3200 mAh | 1140 mAh |
| Charger, watts | 18W Wired fast charging Quick Charge 4 | Wired charging |
| Inductive / wireless charging | 10W Qi wireless charging | feature not registered |
| Talk time autonomy | feature not registered | 4 hours |
| Standby | feature not registered | 300 hours (12.5 days) |
➕ Other features | ||
| Xiaomi Mi Mix 3 (128GB/6GB) | Samsung Duos SCH-W299 | |
| Call control | Voice dialing, Voice recorder | Voice recorder |
| Messaging | SMS (T9), MMS, E-mail, Push mail | SMS, MMS, E-mail |
| Hands-free calling | Supported | Supported |
| Video calling | Supported | Not supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | HTML, XHTML, HTML5 | WAP, HTML |
| 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: Black • Word, Excel, PowerPoint, PDF viewer Java framework |
☢️ Radiation rate | ||
| Xiaomi Mi Mix 3 (128GB/6GB) | Samsung Duos SCH-W299 | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 1.45W/kg (head), 1.57W/kg (body) | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |