Microsoft Lumia 640 (Dual-Sim 3G) vs Nokia Lumia 830 (RM-983)
Side by side comparison between Microsoft Lumia 640 vs Nokia Lumia 830 phones, differences, pros, cons and full specifications. What's the better?
,
vs
5"
IPS
IPS
720x1280
10.1
MP
MP
1mp
1GB
RAM
RAM
Quad-core
2200
mAh
mAh
(Removable)
What's the better phone? Nokia Lumia 830 (RM-983)
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 
10 Advantages | 31 Common items in both devices |
| 1.2GHz 32bit Quad-core |
| 1GB LPDDR2 |
| TFT IPS LCD |
| 16 million |
| 720x1280 pixels |
| 294 PPI |
| 5" |
| +24 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 | ||
| Microsoft Lumia 640 (Dual-Sim 3G) | Nokia Lumia 830 (RM-983) | |
| Model | Lumia 640 (Dual-Sim 3G) | Lumia 830 (RM-983) |
| Other model names | Microsoft Lumia 640 3G Dual Sim, Microsoft RM-1109 | AT&T Nokia Lumia 830 4G RM-983, Nokia Tesla |
| Country or region available | feature not registered |  USA |
| Brand | Microsoft | Nokia |
| Release date | 4/1/2015 | 9/1/2014 |
| Depth | 8.8 millimeters (0.35 inches) | 8.5 millimeters (0.33 inches) |
| Size (width x height) | 72.2 x 141.3 millimeters (2.84 x 5.56 in) | 70.7 x 139.4 millimeters (2.78 x 5.49 in) |
| Weight | 145 grams (5.08 ounces) | 150 grams (5.25 ounces) |
| Build, materials | feature not registered | feature not registered |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Microsoft Lumia 640 (Dual-Sim 3G) | Nokia Lumia 830 (RM-983) | |
| Display type | TFT IPS LCD | TFT IPS LCD |
| Screen size | 5" inches | 5" inches |
| Screen-to-body ratio | ~67.6% (screen-to-body ratio) | ~69.9% (screen-to-body ratio) |
| Display resolution | 720x1280 pixels | 720x1280 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 294 PPI | 294 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 3 | Gorilla Glass 3 |
| Refresh rate | feature not registered | feature not registered |
| Display features | feature not registered | feature not registered |
🤖 Operating System | ||
| Microsoft Lumia 640 (Dual-Sim 3G) | Nokia Lumia 830 (RM-983) | |
| System version | Windows Phone 8.1 | Windows Phone 8.1 |
| Firmware update | feature not registered | Windows 10 Mobile |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Microsoft Lumia 640 (Dual-Sim 3G) | Nokia Lumia 830 (RM-983) | |
| Chipset | 32bit: Qualcomm Snapdragon 400 MSM8926 (28nm) | 32bit: Qualcomm Snapdragon 400 MSM8926 (28nm) |
| CPU | Quad-core, 1 processor: 4x 1.2GHz ARM Cortex-A7 (Quad-core) | Quad-core, 1 processor: 4x 1.2GHz ARM Cortex-A7 (Quad-core) |
| GPU graphical controller | Qualcomm Adreno 305 400Mhz | Qualcomm Adreno 305 400Mhz |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Microsoft Lumia 640 (Dual-Sim 3G) | Nokia Lumia 830 (RM-983) | |
| RAM memory | 1GB LPDDR2 | 1GB LPDDR2 |
| Internal storage | 8GB (3GB available) | 16GB (14GB available) |
| External storage | Until 128GB microSD, microSDXC (dedicated slot) | Until 256GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Microsoft Lumia 640 (Dual-Sim 3G) | Nokia Lumia 830 (RM-983) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated slot) | Not supported |
| SIM card | 2 slots (Dual-SIM) micro-SIM (3FF) | 1 slot (Single-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 42/5.76 Mbps | 150/50 Mbps |
| Network technology | 2G, 3G | 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 | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Primary 3G network | UMTS 850/900/1900/2100 | UMTS 850/900/1900/2100 |
| Primary 4G network | Not supported | LTE Cat4 700/850/1700/1900 (Bands 2,4,5,17) |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+ | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE |
| Secondary 2G network | GSM 850/900/1800/1900 | Not supported |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | GPRS, EDGE | Not supported |
📷 Camera | ||
| Microsoft Lumia 640 (Dual-Sim 3G) | Nokia Lumia 830 (RM-983) | |
| Back camera (main camera) | 8 megapixels | 10.1 megapixels |
| Main camera resolution | 3264x2448 pixels | 3840x2640 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | Full HD (1920x1080) 30 fps |
| Flash | LED flash | LED flash |
| Focal aperture | f/2.2 (aperture) | f/2.2 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | 1/4" inches | 1/3.4" inches |
| Pixel size | feature not registered | feature not registered |
| Autofocus | Autofocus | Autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | feature not registered | feature not registered |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection | Face detection, Smile detection |
| BSI sensor | Supported | Supported |
| HDR | HDR photo only main camera | HDR photo only main camera |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Microsoft Lumia 640 (Dual-Sim 3G) | Nokia Lumia 830 (RM-983) | |
| Front camera (secondary) | 1 megapixels | 1 megapixels |
| Front camera resolution | 1280x720 pixels | 1280x720 pixels |
| Video recording (secondary) | HD (1280x720) | 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 | ||
| Microsoft Lumia 640 (Dual-Sim 3G) | Nokia Lumia 830 (RM-983) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | FM | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263, WMV | MP4, H.264, H.263, WMV |
| Audio formats | MP3, WAV, WMA, eAAC+ | MP3, WAV, WMA, eAAC+ |
🔌 Connectivity | ||
| Microsoft Lumia 640 (Dual-Sim 3G) | Nokia Lumia 830 (RM-983) | |
| 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 | Supported | Supported |
| GPS | A-GPS, GeoTagging, GLONASS | A-GPS, GeoTagging, GLONASS, BeiDou |
| NFC | Not supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Microsoft Lumia 640 (Dual-Sim 3G) | Nokia Lumia 830 (RM-983) | |
| Sensors | Accelerometer Ambient light sensor Compass Proximity sensor | Accelerometer Ambient light sensor Compass Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Microsoft Lumia 640 (Dual-Sim 3G) | Nokia Lumia 830 (RM-983) | |
| Battery type | Li-Ion: lithium-ion (Removable) | Li-Ion: lithium-ion (Removable) BV-L4A |
| Battery capacity | 2500 mAh | 2200 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | feature not registered | feature not registered |
| Talk time autonomy | 20 hours | 15 hours |
| Standby | 840 hours (35 days) | 530 hours (22.1 days) |
➕ Other features | ||
| Microsoft Lumia 640 (Dual-Sim 3G) | Nokia Lumia 830 (RM-983) | |
| Call control | Voice dialing, Voice recorder | 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 • Lumia Denim UI • Microsoft ClearBlack display • OneDrive 30GB • Beidou GPS • WiFi hotspot | • Colors: Black, Orange, Green, White • Lumia Denim UI • Nokia ClearBlack Display • Dolby Digital Plus sound enhancement • Carl Zeiss optics • 15GB OneDrive • Qi wireless charging • WiFi hotspot |
☢️ Radiation rate | ||
| Microsoft Lumia 640 (Dual-Sim 3G) | Nokia Lumia 830 (RM-983) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 0.87W/kg (head), 0.83W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | 0.46W/kg (head), 0.59W/kg (body) |