Microsoft Lumia 640 LTE vs LG GT540 Optimus Comparison and Differences
Smartphone 1
Microsoft Lumia 640 LTE
Smartphone 2
LG GT540 Optimus
Smartphone 3
Microsoft Lumia 640 LTE or LG GT540 Optimus Specs Comparison
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Common specs
| Brand and model | Microsoft Lumia 640 LTE | LG GT540 Optimus | |
| Rating | (+0) | (+0) | |
| Release date | 2015, March | 2010, January | |
| Dimensions (HxWxD) | 141.3 x 72.2 x 8.8 mm | 5.56 x 5.56 x 2.84 in | 109 x 54.5 x 12.7 mm | 4.29 x 4.29 x 2.15 in | |
| Weight | 145 g | 5.11 oz | 115.5 g | 4.07 oz | |
| Case | buy from Amazon | buy from Amazon | |
| Colors | Glossy cyan, Orange, White, Matte black | Black, White, Pink | |
| Battery | 2500 mAh, Removable Li-Ion | 1500 mAh, Removable Li-Ion | |
| Battery life |
Stand by time - Up to 864 h (2G) / Up to 864 h (3G) Talking time - Up to 26 h 30 min (2G) / Up to 17 h 30 min (3G) |
Stand by time - Up to 500 h (2G) / Up to 500 h (3G) Talking time - Up to 5 h 30 min (2G) / Up to 7 h 20 min (3G) |
|
| Approximate price | 120 EUR | 70 EUR | |
| Check price | from Amazon | from Amazon |
Screen
| Technology | IPS LCD | TFT | |
| Touchscreen | capacitive touchscreen | resistive touchscreen | |
| Display colors | 16M | ||
| Screen size | 5" in | 3" in | |
| Screen area | 68.9 cm2 | 26.8 cm2 | |
| Screen format | 16:9 (height:width) | 3:2 (height:width) | |
| Screen to body ratio | 67.6% | 45.1% | |
| Screen resolution | 720 x 1280 px | 320 x 480 px | |
| Screen PPI /points per inch/ | 294 PPI | 192 PPI | |
| Screen protection | Corning Gorilla Glass 3 | ||
| Other specs | - ClearBlack display | ||
| Screen protector | buy from Amazon | buy from Amazon |
Camera and Video
| Rear camera, main | 8 MP, Single | 3.15 MP, Single | |
| Camera specs | -8 MP, f/2.2, 28mm (wide), 1/4'', AF | -3.15 MP, AF | |
| Functions | LED flash | ||
| Video | 1080p@30fps | 480p@17fps | |
| Front camera, selfie | 1 MP, Single | 0 MP, | |
| Specifications | 1 MP | ||
| Video | 720p |
Performance
| Operating system - OS | Microsoft Windows Phone 8.1, upgradable to Microsoft Windows 10 | Android 1.6 (Donut), upgradable to 2.1 (Eclair) | |
| Chipset | - Qualcomm MSM8926 Snapdragon 400 (28 nm) | ||
| CPU | - Quad-core 1.2 GHz Cortex-A7 | - 600 MHz | |
| GPU | Adreno 305 | ||
| External memory | microSD, up to 256 GB (dedicated slot) | microSD, up to 32 GB (dedicated slot) | |
| Internal memory | 8 GB, 1 GB RAM | 139 MB, 156 MB RAM |
Benchmark
Communication and Connectivity
| SIM card | Micro-SIM | Mini-SIM | |
| Network | GSM / HSPA / LTE | GSM / HSPA | |
| Bands | -2G - GSM 850 / 900 / 1800 / 1900 -3G - HSDPA 850 / 900 / 2100 HSDPA 850 / 1700(AWS) / 1900 / 2100 - T-Mobile -4G - LTE band 1(2100), 3(1800), 7(2600), 8(900), 20(800) LTE band 1(2100), 2(1900), 4(1700/2100), 5(850), 7(2600), 12(700), 17(700) - T-Mobile |
-2G - GSM 850 / 900 / 1800 / 1900 |
|
| Speed | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps | HSPA 7.2/0.384 Mbps | |
| GPRS | Yes | Class 10 | |
| Edge | Yes | Class 10 | |
| Wi-Fi | Wi-Fi 802.11 b/g/n, DLNA, hotspot | Wi-Fi 802.11 b/g | |
| GPS | Yes, with A-GPS, GLONASS, BDS | Yes, with A-GPS | |
| NFC | Yes | ||
| USB | microUSB 2.0 | microUSB | |
| Bluetooth | 4.0, A2DP | 2.1, A2DP | |
| Harmful irradiation | SAR - 0.93 W/kg (head) 0.63 W/kg (body) |
Music and Audio
| Radio | FM radio | Stereo FM radio, RDS | |
| Headphone jack | Yes | Yes |
Other features
| Sensors | - Accelerometer, proximity, compass | - Accelerometer | |
| Other extras |
- MP4/DivX/Xvid/H.264/WMV player -MP3/WAV/WMA/eAAC+ player -Organizer -Document viewer -Voice memo -Predictive text input |
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| Versions |
- Also known as LG GT540 Swift, LG Loop GT540 |
Reviews and Opinions on Microsoft Lumia 640 LTE and LG GT540 Optimus
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