Xiaomi Black Shark 2 (256GB/12GB) vs Microsoft Lumia 640 (Dual-Sim 3G)
Side by side comparison between Xiaomi Black Shark 2 vs Microsoft Lumia 640 phones, differences, pros, cons and full specifications. What's the better?
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6.39"
AMOLED
AMOLED
1080x2340
48
MP
MP
20mp
12GB
RAM
RAM
Octa-core
4000
mAh
mAh
(Non removable)
vs
What's the better phone? Xiaomi Black Shark 2 (256GB/12GB)
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!
26 Advantages 
8 Advantages | 17 Common items in both devices |
| 16 million |
| LED flash |
| PDAF: phase detection autofocus / Autofocus |
| Capacitive |
| Multitouch |
| Accelerometer |
| Ambient light sensor |
| +10 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 Black Shark 2 (256GB/12GB) | Microsoft Lumia 640 (Dual-Sim 3G) | |
| Model | Black Shark 2 (256GB/12GB) | Lumia 640 (Dual-Sim 3G) |
| Other model names | Xiaomi Black Shark 2 (256GB + 12GB RAM), SKW-H0, SKW-A0 | Microsoft Lumia 640 3G Dual Sim, Microsoft RM-1109 |
| Country or region available |  (Global, International) | feature not registered |
| Brand | Xiaomi | Microsoft |
| Release date | 3/1/2019 | 4/1/2015 |
| Depth | 8.77 millimeters (0.35 inches) | 8.8 millimeters (0.35 inches) |
| Size (width x height) | 75.01 x 163.61 millimeters (2.95 x 6.44 in) | 72.2 x 141.3 millimeters (2.84 x 5.56 in) |
| Weight | 205 grams (7.18 ounces) | 145 grams (5.08 ounces) |
| Build, materials | Aluminum body, glass front | feature not registered |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Xiaomi Black Shark 2 (256GB/12GB) | Microsoft Lumia 640 (Dual-Sim 3G) | |
| Display type | AMOLED | TFT IPS LCD |
| Screen size | 6.39" inches | 5" inches |
| Screen-to-body ratio | ~81.7% (screen-to-body ratio) | ~67.6% (screen-to-body ratio) |
| Display resolution | 1080x2340 pixels (19.5:9) | 720x1280 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 403 PPI | 294 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | Gorilla Glass 3 |
| Refresh rate | 60Hz | feature not registered |
| Display features | HDR8 | feature not registered |
🤖 Operating System | ||
| Xiaomi Black Shark 2 (256GB/12GB) | Microsoft Lumia 640 (Dual-Sim 3G) | |
| System version | Android 9.0 Pie | Windows Phone 8.1 |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Xiaomi Black Shark 2 (256GB/12GB) | Microsoft Lumia 640 (Dual-Sim 3G) | |
| Chipset | 64bit: Qualcomm Snapdragon 855 (SM8150) (7nm) | 32bit: Qualcomm Snapdragon 400 MSM8926 (28nm) |
| 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) | Quad-core, 1 processor: 4x 1.2GHz ARM Cortex-A7 (Quad-core) |
| GPU graphical controller | Qualcomm Adreno 640 (585MHz) | Qualcomm Adreno 305 400Mhz |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Xiaomi Black Shark 2 (256GB/12GB) | Microsoft Lumia 640 (Dual-Sim 3G) | |
| RAM memory | 12GB LPDDR4X | 1GB LPDDR2 |
| Internal storage | 256GB (242GB available) UFS 2.1 | 8GB (3GB available) |
| External storage | Not supported | Until 128GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Xiaomi Black Shark 2 (256GB/12GB) | Microsoft Lumia 640 (Dual-Sim 3G) | |
| 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) micro-SIM (3FF) |
| Maximum Download / Upload | 1200/150 Mbps | 42/5.76 Mbps |
| Network technology | 2G, 3G, 4G | 2G, 3G |
| 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 | GSM 850/900/1800/1900 |
| Primary 3G network | CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 850/900/1900/2100 | UMTS 850/900/1900/2100 |
| Primary 4G network | LTE Cat18 (Bands 1, 3, 4, 5, 7, 8, 20) TD-LTE (Bands 34, 38, 39, 40, 41) VoLTE | 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, EDGE, UMTS, HSDPA, HSUPA, HSPA+ |
| Secondary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Secondary 3G network | UMTS 850/900/1900/2100 | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+ | GPRS, EDGE |
📷 Camera | ||
| Xiaomi Black Shark 2 (256GB/12GB) | Microsoft Lumia 640 (Dual-Sim 3G) | |
| Back camera (main camera) | (dual camera) 48 megapixels 12MP telephoto f/2.21.0µm54mmPDAF2x-optical-zoom | 8 megapixels |
| Main camera resolution | 8000x6000 pixels | 3264x2448 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 60 fps | Full HD (1920x1080) 30 fps |
| Flash | LED flash | LED flash |
| Focal aperture | f/1.8 (aperture) | f/2.2 (aperture) |
| Focal length | 28mm (lens) | feature not registered |
| Sensor size | 1/2" inches | 1/4" inches |
| Pixel size | 0.8µm pixel | feature not registered |
| Autofocus | PDAF: phase detection autofocus | Autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | EIS: Digital stabilization | feature not registered |
| Zoom | Digital and optical zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Face detection |
| BSI sensor | Not supported | Supported |
| HDR | HDR photo on both cameras | HDR photo only main camera |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Xiaomi Black Shark 2 (256GB/12GB) | Microsoft Lumia 640 (Dual-Sim 3G) | |
| Front camera (secondary) | 20 megapixels | 1 megapixels |
| Front camera resolution | 5184x3840 pixels | 1280x720 pixels |
| Video recording (secondary) | Full HD (1920x1080) | HD (1280x720) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.0 (aperture) | feature not registered |
| Focal length | feature not registered | feature not registered |
| Sensor size | 1/3" inches | feature not registered |
| Pixel size | 0.9µm pixel | feature not registered |
🔉 Sound and multimedia | ||
| Xiaomi Black Shark 2 (256GB/12GB) | Microsoft Lumia 640 (Dual-Sim 3G) | |
| 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.264, H.263, WMV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+ |
🔌 Connectivity | ||
| Xiaomi Black Shark 2 (256GB/12GB) | Microsoft Lumia 640 (Dual-Sim 3G) | |
| USB | USB 2.0 Type-C, USB OTG On-The-Go | MicroUSB 2.0 |
| Audio output | Type-C reversible connector | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 5.0 + A2DP/LE | 4.0 + A2DP |
| WiFi | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot | 802.11 b/g/n [wifi4] (2.4GHz) |
| DLNA | Not supported | Supported |
| GPS | A-GPS, GeoTagging, GLONASS, BeiDou | A-GPS, GeoTagging, GLONASS |
| NFC | Not supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Xiaomi Black Shark 2 (256GB/12GB) | Microsoft Lumia 640 (Dual-Sim 3G) | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (under display) Gyroscope Proximity sensor | Accelerometer Ambient light sensor Compass Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Xiaomi Black Shark 2 (256GB/12GB) | Microsoft Lumia 640 (Dual-Sim 3G) | |
| Battery type | Li-Ion: lithium-ion (Non removable) | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 4000 mAh | 2500 mAh |
| Charger, watts | 27W Wired fast charging | Wired charging |
| Inductive / wireless charging | Not supported | feature not registered |
| Talk time autonomy | feature not registered | 20 hours |
| Standby | feature not registered | 840 hours (35 days) |
➕ Other features | ||
| Xiaomi Black Shark 2 (256GB/12GB) | Microsoft Lumia 640 (Dual-Sim 3G) | |
| Call control | Voice dialing, Voice recorder, Voice commands | 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: Black, Silver, Blue • Liquid Cooling 3.0+ • DCI-P3 109% • Always-on display • 240Hz touch-sensing | • Colors: Black • Lumia Denim UI • Microsoft ClearBlack display • OneDrive 30GB • Beidou GPS • WiFi hotspot |
☢️ Radiation rate | ||
| Xiaomi Black Shark 2 (256GB/12GB) | Microsoft Lumia 640 (Dual-Sim 3G) | |
| 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 |