CAT B15Q vs Microsoft Lumia 640 (Dual-Sim 3G)
Side by side comparison between CAT B15Q vs Microsoft Lumia 640 phones, differences, pros, cons and full specifications. What's the better?
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What's the better phone? Microsoft Lumia 640 (Dual-Sim 3G)
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!
3 Advantages 
19 Advantages | 24 Common items in both devices |
| 1GB LPDDR2 |
| 16 million |
| LED flash |
| Only digital zoom |
| Autofocus |
| HDR photo only main camera |
| 3G+ HSPA+ |
| +17 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 | ||
| CAT B15Q | Microsoft Lumia 640 (Dual-Sim 3G) | |
| Change model | ||
| Model | CAT B15Q | Lumia 640 (Dual-Sim 3G) |
| Other model names | Caterpillar B15Q Dual-sim, CAT B15 Q | Microsoft Lumia 640 3G Dual Sim, Microsoft RM-1109 |
| Country or region available |  (Global, International) | feature not registered |
| Brand | CAT | Microsoft |
| Release date | 6/1/2014 | 4/1/2015 |
| Depth | 15 millimeters (0.59 inches) | 8.8 millimeters (0.35 inches) |
| Size (width x height) | 69.5 x 125 millimeters (2.74 x 4.92 in) | 72.2 x 141.3 millimeters (2.84 x 5.56 in) |
| Weight | 170 grams (5.95 ounces) | 145 grams (5.08 ounces) |
| Build, materials | feature not registered | feature not registered |
| Protection against water and others | IP67 certified: dust proof and waterproof over 1 meter and 30min. MIL-STD-810G military certified: salt, dust, humidity, rain, vibration, solar radiation, transport and thermal shock resistant. | Not supported |
📲 Display | ||
| CAT B15Q | Microsoft Lumia 640 (Dual-Sim 3G) | |
| Display type | TFT LCD | TFT IPS LCD |
| Screen size | 4" inches | 5" inches |
| Screen-to-body ratio | ~52.4% (screen-to-body ratio) | ~67.6% (screen-to-body ratio) |
| Display resolution | 480x800 pixels | 720x1280 pixels |
| Touchscreen | Capacitive Multitouch 2-points | Capacitive Multitouch |
| Pixel density (dot pitch) | 233 PPI | 294 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass | Gorilla Glass 3 |
| Refresh rate | feature not registered | feature not registered |
| Display features | feature not registered | feature not registered |
🤖 Operating System | ||
| CAT B15Q | Microsoft Lumia 640 (Dual-Sim 3G) | |
| System version | Android 4.4.2 KitKat | Windows Phone 8.1 |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| CAT B15Q | Microsoft Lumia 640 (Dual-Sim 3G) | |
| Chipset | 32bit: MediaTek MT6582M | 32bit: Qualcomm Snapdragon 400 MSM8926 (28nm) |
| CPU | Quad-core, 1 processor: 4x 1.3GHz ARM Cortex-A7 (Quad-core) | Quad-core, 1 processor: 4x 1.2GHz ARM Cortex-A7 (Quad-core) |
| GPU graphical controller | ARM Mali-400 MP2 | Qualcomm Adreno 305 400Mhz |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| CAT B15Q | Microsoft Lumia 640 (Dual-Sim 3G) | |
| RAM memory | 1GB LPDDR2 | 1GB LPDDR2 |
| Internal storage | 4GB (2GB available) | 8GB (3GB available) |
| External storage | Until 32GB microSD, microSDHC (dedicated slot) | Until 128GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| CAT B15Q | Microsoft Lumia 640 (Dual-Sim 3G) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated slot) | Dual-SIM Standby - Call active on one sim card (dedicated slot) |
| SIM card | 2 slots (Dual-SIM) Standard mini-SIM (2FF) | 2 slots (Dual-SIM) micro-SIM (3FF) |
| Maximum Download / Upload | 21/5.76 Mbps | 42/5.76 Mbps |
| Network technology | 2G, 3G | 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 | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Primary 3G network | Latin America model: UMTS 850/1700/1900/2100 Europe/Africa model: UMTS 850/900/2100 | UMTS 850/900/1900/2100 |
| Primary 4G network | Not supported | Not supported |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+ | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+ |
| 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 | ||
| CAT B15Q | Microsoft Lumia 640 (Dual-Sim 3G) | |
| Back camera (main camera) | 5 megapixels | 8 megapixels |
| Main camera resolution | 2592x1944 pixels | 3264x2448 pixels |
| Video recording (primary) | HD (1280x720) 30 fps | Full HD (1920x1080) 30 fps |
| Flash | LED flash | LED flash |
| Focal aperture | feature not registered | f/2.2 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | 1/4" inches |
| Pixel size | feature not registered | feature not registered |
| Autofocus | Autofocus | Autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | EIS: Digital stabilization | feature not registered |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Smile detection | Face detection |
| BSI sensor | Not supported | Supported |
| HDR | HDR photo only main camera | HDR photo only main camera |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| CAT B15Q | Microsoft Lumia 640 (Dual-Sim 3G) | |
| Front camera (secondary) | 0.3 megapixels | 1 megapixels |
| Front camera resolution | 640x480 pixels | 1280x720 pixels |
| Video recording (secondary) | VGA (640x480) | HD (1280x720) |
| Front flash | Not supported | Not supported |
| Focal aperture | feature not registered | feature not registered |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | feature not registered | feature not registered |
🔉 Sound and multimedia | ||
| CAT B15Q | Microsoft Lumia 640 (Dual-Sim 3G) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | Not supported | 2 microphones or more |
| Radio | Not supported | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263 | MP4, H.264, H.263, WMV |
| Audio formats | MP3, WAV, eAAC+ | MP3, WAV, WMA, eAAC+ |
🔌 Connectivity | ||
| CAT B15Q | Microsoft Lumia 640 (Dual-Sim 3G) | |
| USB | MicroUSB 2.0 | MicroUSB 2.0 |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 4.0 + A2DP | 4.0 + A2DP |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) | 802.11 b/g/n [wifi4] (2.4GHz) |
| DLNA | Not supported | Supported |
| GPS | A-GPS, GeoTagging | A-GPS, GeoTagging, GLONASS |
| NFC | Not supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| CAT B15Q | Microsoft Lumia 640 (Dual-Sim 3G) | |
| Sensors | Accelerometer Ambient light sensor Proximity sensor | Accelerometer Ambient light sensor Compass Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| CAT B15Q | Microsoft Lumia 640 (Dual-Sim 3G) | |
| Battery type | Li-Ion: lithium-ion (Removable) | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 2000 mAh | 2500 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | feature not registered | feature not registered |
| Talk time autonomy | 16 hours | 20 hours |
| Standby | 456 hours (19 days) | 840 hours (35 days) |
➕ Other features | ||
| CAT B15Q | Microsoft Lumia 640 (Dual-Sim 3G) | |
| 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: Black • WiFi hotspot • Drop to concrete resistance from up to 1.8m Java framework | • Colors: Black • Lumia Denim UI • Microsoft ClearBlack display • OneDrive 30GB • Beidou GPS • WiFi hotspot |
☢️ Radiation rate | ||
| CAT B15Q | 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 |