Jiayu G4 (32GB) vs Microsoft Lumia 640 (LTE)
Side by side comparison between Jiayu G4 vs Microsoft Lumia 640 phones, differences, pros, cons and full specifications. What's the better?
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4.7"
IPS
IPS
720x1280
13
MP
MP
3.1mp
2GB
RAM
RAM
Quad-core
3000
mAh
mAh
(Removable)
vs
What's the better phone? Jiayu G4 (32GB)
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!
10 Advantages 
8 Advantages | 24 Common items in both devices |
| 1.2GHz 32bit Quad-core |
| 16 million |
| 720x1280 pixels |
| LED flash |
| Only digital zoom |
| Autofocus |
| Full HD (1920x1080) |
| +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 | ||
| Jiayu G4 (32GB) | Microsoft Lumia 640 (LTE) | |
| Model | Jiayu G4 (32GB) | Lumia 640 (LTE) |
| Other model names | JiaYu G4 Flagship edition, JiaYu JY-G4 Advanced | AT&T Microsoft Lumia 640 4G RM-1072, Lumia 640 RM-1073 |
| Country or region available |  China | feature not registered |
| Brand | Jiayu | Microsoft |
| Release date | 2/1/2013 | 4/1/2015 |
| Depth | 10 millimeters (0.39 inches) | 8.8 millimeters (0.35 inches) |
| Size (width x height) | 65 x 133 millimeters (2.56 x 5.24 in) | 72.2 x 141.3 millimeters (2.84 x 5.56 in) |
| Weight | 180 grams (6.3 ounces) | 145 grams (5.08 ounces) |
| Build, materials | feature not registered | feature not registered |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Jiayu G4 (32GB) | Microsoft Lumia 640 (LTE) | |
| Display type | TFT LED-Backlit IPS LCD | TFT IPS LCD |
| Screen size | 4.7" inches | 5" inches |
| Screen-to-body ratio | ~70.4% (screen-to-body ratio) | ~67.6% (screen-to-body ratio) |
| Display resolution | 720x1280 pixels | 720x1280 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 312 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 | ||
| Jiayu G4 (32GB) | Microsoft Lumia 640 (LTE) | |
| System version | Android 4.1.2 Jelly Bean | Windows Phone 8.1 |
| Firmware update | feature not registered | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Jiayu G4 (32GB) | Microsoft Lumia 640 (LTE) | |
| Chipset | 32bit: MediaTek MT6589 | 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 | PowerVR SXG544 | Qualcomm Adreno 305 400Mhz |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Jiayu G4 (32GB) | Microsoft Lumia 640 (LTE) | |
| RAM memory | 2GB | 1GB LPDDR2 |
| Internal storage | 32GB | 8GB (3GB available) |
| External storage | Until 64GB microSD, microSDXC (dedicated slot) | Until 128GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Jiayu G4 (32GB) | Microsoft Lumia 640 (LTE) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated slot) | Not supported |
| SIM card | 2 slots (Dual-SIM) Standard mini-SIM (2FF) | 1 slot (Single-SIM) micro-SIM (3FF) |
| Maximum Download / Upload | 14.4/5.76 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 900/2100 | UMTS 850/900/2100 |
| Primary 4G network | Not supported | LTE Cat4 800/900/1800/2100/2600 (Bands 1/3/7/8/20) |
| 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 | ||
| Jiayu G4 (32GB) | Microsoft Lumia 640 (LTE) | |
| Back camera (main camera) | 13 megapixels | 8 megapixels |
| Main camera resolution | 4032x3224 pixels | 3264x2448 pixels |
| Video recording (primary) | Full HD (1920x1080) | 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 | feature not registered | Supported |
| Image stabilization | feature not registered | feature not registered |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection | Face detection |
| BSI sensor | feature not registered | Supported |
| HDR | feature not registered | HDR photo only main camera |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Jiayu G4 (32GB) | Microsoft Lumia 640 (LTE) | |
| Front camera (secondary) | 3.1 megapixels | 1 megapixels |
| Front camera resolution | 2048x1536 pixels | 1280x720 pixels |
| Video recording (secondary) | Not supported | 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 | ||
| Jiayu G4 (32GB) | Microsoft Lumia 640 (LTE) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | feature not registered | 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 | ||
| Jiayu G4 (32GB) | Microsoft Lumia 640 (LTE) | |
| USB | MicroUSB 2.0 | MicroUSB 2.0 |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | Not supported |
| Bluetooth | 2.0 + A2DP | 4.0 + A2DP |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) | 802.11 b/g/n [wifi4] (2.4GHz) |
| DLNA | feature not registered | Supported |
| GPS | A-GPS, GeoTagging | A-GPS, GeoTagging, GLONASS |
| NFC | Not supported | Supported |
| Infrared port | feature not registered | Not supported |
🧭 Sensors | ||
| Jiayu G4 (32GB) | Microsoft Lumia 640 (LTE) | |
| Sensors | Accelerometer Ambient light sensor Compass Gyroscope Proximity sensor | Accelerometer Ambient light sensor Compass Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Jiayu G4 (32GB) | Microsoft Lumia 640 (LTE) | |
| Battery type | Li-Ion: lithium-ion (Removable) | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 3000 mAh | 2500 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | feature not registered | feature not registered |
| Talk time autonomy | feature not registered | 20 hours |
| Standby | 146.7 hours (6.1 days) | 840 hours (35 days) |
➕ Other features | ||
| Jiayu G4 (32GB) | Microsoft Lumia 640 (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, White • WiFi hotspot Java framework | • Colors: Black • Lumia Denim UI • Microsoft ClearBlack display • OneDrive 30GB • Beidou GPS • WiFi hotspot |
☢️ Radiation rate | ||
| Jiayu G4 (32GB) | Microsoft Lumia 640 (LTE) | |
| 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 |