Nokia Lumia 830 (RM-984) vs Microsoft Lumia 640 XL (4G LTE)
Side by side comparison between Nokia Lumia 830 vs Microsoft Lumia 640 XL phones, differences, pros, cons and full specifications. What's the better?
,
5"
IPS
IPS
720x1280
10.1
MP
MP
1mp
1GB
RAM
RAM
Quad-core
2200
mAh
mAh
(Removable)
vs
5.7"
IPS
IPS
720x1280
13
MP
MP
5mp
1GB
RAM
RAM
Quad-core
3000
mAh
mAh
(Removable)
What's the better phone? Microsoft Lumia 640 XL (4G LTE)
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!
5 Advantages 
8 Advantages | 36 Common items in both devices |
| 1.2GHz 32bit Quad-core |
| 1GB LPDDR2 |
| Until 256GB microSD, microSDXC |
| TFT IPS LCD |
| 16 million |
| 720x1280 pixels |
| LED flash |
| +29 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 | ||
| Nokia Lumia 830 (RM-984) | Microsoft Lumia 640 XL (4G LTE) | |
| Model | Lumia 830 (RM-984) | Lumia 640 XL (4G LTE) |
| Other model names | Nokia Lumia 830 4G, Nokia RM-984, Nokia Tesla | Microsoft Lumia 640 XL LTE RM-1075 Dual-sim |
| Country or region available |  (Global, International) | (Global, International) |
| Brand | Nokia | Microsoft |
| Release date | 9/1/2014 | 4/1/2015 |
| Depth | 8.5 millimeters (0.33 inches) | 9 millimeters (0.35 inches) |
| Size (width x height) | 70.7 x 139.4 millimeters (2.78 x 5.49 in) | 81.5 x 157.9 millimeters (3.21 x 6.22 in) |
| Weight | 150 grams (5.25 ounces) | 171 grams (5.99 ounces) |
| Build, materials | feature not registered | Plastic body, glass front |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Nokia Lumia 830 (RM-984) | Microsoft Lumia 640 XL (4G LTE) | |
| Display type | TFT IPS LCD | TFT IPS LCD |
| Screen size | 5" inches | 5.7" inches |
| Screen-to-body ratio | ~69.9% (screen-to-body ratio) | ~69.6% (screen-to-body ratio) |
| Display resolution | 720x1280 pixels | 720x1280 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 294 PPI | 258 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 | ||
| Nokia Lumia 830 (RM-984) | Microsoft Lumia 640 XL (4G LTE) | |
| System version | Windows Phone 8.1 | Windows Phone 8.1 |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Nokia Lumia 830 (RM-984) | Microsoft Lumia 640 XL (4G LTE) | |
| Chipset | 32bit: Qualcomm Snapdragon 400 MSM8926 (28nm) | 32bit: Qualcomm Snapdragon 400 MSM8226 (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 |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Nokia Lumia 830 (RM-984) | Microsoft Lumia 640 XL (4G LTE) | |
| RAM memory | 1GB LPDDR2 | 1GB LPDDR2 |
| Internal storage | 16GB (14GB available) | 8GB (3GB available) |
| External storage | Until 256GB microSD, microSDXC (dedicated slot) | Until 256GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Nokia Lumia 830 (RM-984) | Microsoft Lumia 640 XL (4G LTE) | |
| Dual-SIM | Not supported | Dual-SIM Standby - Call active on one sim card (dedicated slot) |
| SIM card | 1 slot (Single-SIM) nano-SIM (4FF) | 2 slots (Dual-SIM) micro-SIM (3FF) |
| Maximum Download / Upload | 150/50 Mbps | 150/50 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 | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Primary 3G network | UMTS 850/900/1900/2100 | UMTS 850/900/1700/1900/2100 |
| Primary 4G network | LTE Cat4 800/900/1800/2100/2600 (Bands 1,3,7,8,20) | LTE Cat4 700/800/850/900/1700/1800/1900/2100/2300/2600 (Bands 1,2,3,4,5,7,8,12,17,20,28,38,40) |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE |
| Secondary 2G network | Not supported | GSM 850/900/1800/1900 |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | Not supported | GPRS, EDGE |
📷 Camera | ||
| Nokia Lumia 830 (RM-984) | Microsoft Lumia 640 XL (4G LTE) | |
| Back camera (main camera) | 10.1 megapixels | 13 megapixels |
| Main camera resolution | 3840x2640 pixels | 4128x3096 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/2.0 (aperture) |
| Focal length | feature not registered | 28mm (lens) |
| Sensor size | 1/3.4" inches | 1/3" inches |
| Pixel size | feature not registered | feature not registered |
| Autofocus | Autofocus | Autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | feature not registered | EIS: Digital stabilization |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile 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 | ||
| Nokia Lumia 830 (RM-984) | Microsoft Lumia 640 XL (4G LTE) | |
| Front camera (secondary) | 1 megapixels | 5 megapixels |
| Front camera resolution | 1280x720 pixels | 2592x1944 pixels |
| Video recording (secondary) | HD (1280x720) | Full HD (1920x1080) |
| 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 | ||
| Nokia Lumia 830 (RM-984) | Microsoft Lumia 640 XL (4G LTE) | |
| 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 | ||
| Nokia Lumia 830 (RM-984) | Microsoft Lumia 640 XL (4G LTE) | |
| 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, BeiDou | A-GPS, GeoTagging, GLONASS, BeiDou |
| NFC | Supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Nokia Lumia 830 (RM-984) | Microsoft Lumia 640 XL (4G LTE) | |
| Sensors | Accelerometer Ambient light sensor Compass Gyroscope Proximity sensor | Accelerometer Ambient light sensor Compass Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Nokia Lumia 830 (RM-984) | Microsoft Lumia 640 XL (4G LTE) | |
| Battery type | Li-Ion: lithium-ion (Removable) BV-L4A | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 2200 mAh | 3000 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | feature not registered | feature not registered |
| Talk time autonomy | 15 hours | 23.7 hours |
| Standby | 530 hours (22.1 days) | 936 hours (39 days) |
➕ Other features | ||
| Nokia Lumia 830 (RM-984) | Microsoft Lumia 640 XL (4G LTE) | |
| 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, Orange, Green, White • Lumia Denim UI • Nokia ClearBlack Display • Dolby Digital Plus sound enhancement • Carl Zeiss optics • 15GB OneDrive • Qi wireless charging • WiFi hotspot | • Colors: Black, White • Lumia Denim UI • Microsoft ClearBlack display • OneDrive 30GB • WiFi hotspot • Headset not included |
☢️ Radiation rate | ||
| Nokia Lumia 830 (RM-984) | Microsoft Lumia 640 XL (4G LTE) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 0.87W/kg (head), 0.83W/kg (body) | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | 0.46W/kg (head), 0.59W/kg (body) | feature not registered |