Compare
Specifications
Microsoft Lumia 640 LTE |
Nokia Lumia 830 |
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Full
Differences
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Microsoft Lumia 640 LTE |
Nokia Lumia 830 |
| Network | ||
|---|---|---|
| Technology | GSM / HSPA / LTE | GSM / HSPA / LTE |
| 2G bands | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 |
| 3G Network | HSDPA 850 / 900 / 2100 | HSDPA 850 / 900 / 1900 / 2100 |
| HSDPA 850 / 1700(AWS) / 1900 / 2100 - T-Mobile | ||
| 4G Network | 1, 3, 7, 8, 20 | 1, 3, 7, 8, 20 |
| 1, 2, 4, 5, 7, 12, 17 - T-Mobile | 2, 4, 5, 17 - AT&T | |
| Speed | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps |
| Launch | ||
|---|---|---|
| Announced | 2015, March. Released 2015, April | 2014, September. Released 2014, September |
| Status | Discontinued | Discontinued |
| Body | ||
|---|---|---|
| Dimensions | 141.3 x 72.2 x 8.8 mm (5.56 x 2.84 x 0.35 in) | 139.4 x 70.7 x 8.5 mm (5.49 x 2.78 x 0.33 in) |
| Weight | 145 g (5.11 oz) | 150 g (5.29 oz) |
| SIM | Micro-SIM | Nano-SIM |
| Display | ||
|---|---|---|
| Type | IPS LCD | IPS LCD |
| Size | 5.0 inches, 68.9 cm2 (~67.6% screen-to-body ratio) | 5.0 inches, 68.9 cm2 (~69.9% screen-to-body ratio) |
| Resolution | 720 x 1280 pixels, 16:9 ratio (~294 ppi density) | 720 x 1280 pixels, 16:9 ratio (~294 ppi density) |
| Protection | Corning Gorilla Glass 3 | Corning Gorilla Glass 3 |
| ClearBlack display | ClearBlack display | |
| Platform | ||
|---|---|---|
| OS | Microsoft Windows Phone 8.1, upgradable to Microsoft Windows 10 | Microsoft Windows Phone 8.1, upgradable to Microsoft Windows 10 |
| Chipset | Qualcomm MSM8926 Snapdragon 400 (28 nm) | Qualcomm Snapdragon 400 (28 nm) |
| CPU | Quad-core 1.2 GHz Cortex-A7 | Quad-core 1.2 GHz Cortex-A7 |
| GPU | Adreno 305 | Adreno 305 |
| Memory | ||
|---|---|---|
| Card slot | microSDXC (dedicated slot) | microSDXC (dedicated slot) |
| Internal | 8GB 1GB RAM | 16GB 1GB RAM |
| eMMC 4.5 | eMMC 4.5 | |
| Main Camera | ||
|---|---|---|
| Modules | 8 MP, f/2.2, 28mm (wide), 1/4.0", AF | 10 MP, f/2.2, 26mm (wide), 1/3.4", AF, OIS |
| Features | LED flash | Zeiss optics, LED flash, panorama |
| Video | 1080p@30fps | 1080p@30fps, stereo sound rec. |
| Selfie Camera | ||
|---|---|---|
| Modules | 1 MP | 0.9 MP |
| Video | 720p | 720p |
ADVERTISEMENT
| Sound | ||
|---|---|---|
| Loudspeaker | Yes | Yes |
| 3.5mm jack | Yes | Yes |
| Comms | ||
|---|---|---|
| WLAN | Wi-Fi 802.11 b/g/n, DLNA, hotspot | Wi-Fi 802.11 a/b/g/n, dual-band, DLNA, hotspot |
| Bluetooth | 4.0, A2DP | 4.0, A2DP, EDR, LE, aptX |
| Positioning | GPS, GLONASS, BDS | GPS, GLONASS, BDS |
| NFC | Yes | Yes |
| Infrared port | No | No |
| Radio | FM radio | FM radio |
| USB | microUSB 2.0 | microUSB 2.0 |
| Features | ||
|---|---|---|
| Sensors | Accelerometer, proximity, compass | Accelerometer, gyro, proximity, compass |
| Battery | ||
|---|---|---|
| Type | Li-Ion 2500 mAh, removable | Li-Ion 2200 mAh, removable (BV-L4A) |
| Charging | Wireless (Qi) | |
| Stand-by | Up to 864 h (2G) / Up to 864 h (3G) | Up to 528 h |
| Talk time | Up to 26 h 30 min (2G) / Up to 17 h 30 min (3G) | Up to 12 h 54 min (2G) / Up to 14 h 48 min (3G) |
| Music play | Up to 78 h | |
| Misc | ||
|---|---|---|
| Colors | Glossy cyan, Orange, White, Matte black | Orange, green, white, black, gold | SAR | 0.87 W/kg (head) 0.83 W/kg (body) |
| SAR EU | 0.46 W/kg (head) 0.59 W/kg (body) | |
| Price | About 120 EUR | About 330 EUR |