Microsoft Lumia 640 (LTE) vs Samsung Galaxy Express 3 (SM-J120A)
Side by side comparison between Microsoft Lumia 640 vs Samsung Galaxy Express 3 phones, differences, pros, cons and full specifications. What's the better?
,
vs
4.5"
AMOLED
AMOLED
480x800
5
MP
MP
2mp
1GB
RAM
RAM
Quad-core
2050
mAh
mAh
(Removable)
What's the better phone? Microsoft Lumia 640 (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!
13 Advantages 
7 Advantages | 21 Common items in both devices |
| 1GB LPDDR2 / 1GB |
| 16 million |
| LED flash |
| Only digital zoom |
| Autofocus |
| HDR photo only main camera |
| f/2.2 (aperture) |
| +14 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 (LTE) | Galaxy Express 3 (SM-J120A) | |
| Model | Lumia 640 (LTE) | Galaxy Express 3 (SM-J120A) |
| Other model names | AT&T Microsoft Lumia 640 4G RM-1072, Lumia 640 RM-1073 | AT&T Samsung Galaxy J1 4G, Galaxy Express 3 GoPhone |
| Country or region available | feature not registered |  USA |
| Brand | Microsoft | Samsung |
| Release date | 4/1/2015 | 4/1/2016 |
| Depth | 8.8 millimeters (0.35 inches) | 8.9 millimeters (0.35 inches) |
| Size (width x height) | 72.2 x 141.3 millimeters (2.84 x 5.56 in) | 69.3 x 132.6 millimeters (2.73 x 5.22 in) |
| Weight | 145 grams (5.08 ounces) | 131 grams (4.59 ounces) |
| Build, materials | feature not registered | Plastic body, glass front |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Microsoft Lumia 640 (LTE) | Galaxy Express 3 (SM-J120A) | |
| Display type | TFT IPS LCD | Super AMOLED |
| Screen size | 5" inches | 4.5" inches |
| Screen-to-body ratio | ~67.6% (screen-to-body ratio) | ~62.7% (screen-to-body ratio) |
| Display resolution | 720x1280 pixels | 480x800 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 294 PPI | 207 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 3 | Not supported |
| Refresh rate | feature not registered | feature not registered |
| Display features | feature not registered | feature not registered |
🤖 Operating System | ||
| Microsoft Lumia 640 (LTE) | Galaxy Express 3 (SM-J120A) | |
| System version | Windows Phone 8.1 | Android 6.0.1 Marshmallow |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Microsoft Lumia 640 (LTE) | Galaxy Express 3 (SM-J120A) | |
| Chipset | 32bit: Qualcomm Snapdragon 400 MSM8926 (28nm) | 32bit: Spreadtrum SC9830A (28nm) |
| CPU | Quad-core, 1 processor: 4x 1.2GHz ARM Cortex-A7 (Quad-core) | Quad-core, 1 processor: 4x 1.3GHz ARM Cortex-A7 (Quad-core) |
| GPU graphical controller | Qualcomm Adreno 305 400Mhz | ARM Mali-400 MP2 |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Microsoft Lumia 640 (LTE) | Galaxy Express 3 (SM-J120A) | |
| RAM memory | 1GB LPDDR2 | 1GB |
| Internal storage | 8GB (3GB available) | 8GB (4GB available) |
| External storage | Until 128GB microSD, microSDXC (dedicated slot) | Until 256GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Microsoft Lumia 640 (LTE) | Galaxy Express 3 (SM-J120A) | |
| Dual-SIM | Not supported | Not supported |
| SIM card | 1 slot (Single-SIM) micro-SIM (3FF) | 1 slot (Single-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 850/900/2100 | UMTS 850/900/1900/2100 |
| Primary 4G network | LTE Cat4 800/900/1800/2100/2600 (Bands 1/3/7/8/20) | LTE Cat4 700/850/1700/1800/1900/2100/2600 (Bands 1,2,3,4,5,7,12) |
| 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 | Not supported |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | Not supported | Not supported |
📷 Camera | ||
| Microsoft Lumia 640 (LTE) | Galaxy Express 3 (SM-J120A) | |
| Back camera (main camera) | 8 megapixels | 5 megapixels |
| Main camera resolution | 3264x2448 pixels | 2592x1944 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | HD (1280x720) 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 | feature not registered |
| 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 | Face detection, Smile detection |
| BSI sensor | Supported | Not 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 (LTE) | Galaxy Express 3 (SM-J120A) | |
| Front camera (secondary) | 1 megapixels | 2 megapixels |
| Front camera resolution | 1280x720 pixels | 1600x1200 pixels |
| Video recording (secondary) | HD (1280x720) | VGA (640x480) |
| Front flash | Not supported | Not supported |
| Focal aperture | feature not registered | f/2.2 (aperture) |
| 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 (LTE) | Galaxy Express 3 (SM-J120A) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | 2 microphones or more | Not supported |
| Radio | FM | FM (RDS) |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263, WMV | MP4, H.264, H.263, MKV |
| Audio formats | MP3, WAV, WMA, eAAC+ | MP3, WAV, eAAC+, FLAC |
🔌 Connectivity | ||
| Microsoft Lumia 640 (LTE) | Galaxy Express 3 (SM-J120A) | |
| 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) WiFi Direct, hotspot |
| DLNA | Supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS | A-GPS, GeoTagging, GLONASS |
| NFC | Supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Microsoft Lumia 640 (LTE) | Galaxy Express 3 (SM-J120A) | |
| Sensors | Accelerometer Ambient light sensor Compass Proximity sensor | Accelerometer Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Microsoft Lumia 640 (LTE) | Galaxy Express 3 (SM-J120A) | |
| Battery type | Li-Ion: lithium-ion (Removable) | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 2500 mAh | 2050 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | feature not registered | feature not registered |
| Talk time autonomy | 20 hours | 12 hours |
| Standby | 840 hours (35 days) | 240 hours (10 days) |
➕ Other features | ||
| Microsoft Lumia 640 (LTE) | Galaxy Express 3 (SM-J120A) | |
| 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 • Lumia Denim UI • Microsoft ClearBlack display • OneDrive 30GB • Beidou GPS • WiFi hotspot | • Colors: White |
☢️ Radiation rate | ||
| Microsoft Lumia 640 (LTE) | Galaxy Express 3 (SM-J120A) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 0.99W/kg (head), 1.25W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | 1.03W/kg (head), 0.439W/kg (body) |