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Micromax Ninja 4 A87 vs Micromax X640
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2 MOBILE PHONES |
- OR - |
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| RATINGS & REVIEWS
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Average User Rating 8.3 |
Average User Rating 8.2 |
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|---|---|---|---|---|
| Display | ||||
| Form Factor | Bar | Bar | ||
| Screen Type | TFT touchscreen | TFT LCD, Capacitive Touchscreen | ||
| Screen Size | 3.2 inches | 4.0 inches | ||
| Screen Resolution | 400 x 240 | 320 x 480 | ||
| Number of Colours | 262k | |||
| Processor | ||||
| Speed | 1 GHz | |||
| Memory | ||||
| Extendable Memory | microSD, up to 16GB | microSD, up to 32GB | ||
| Camera Features | ||||
| Sensor Resolution | 2 MP, 1600x1200 pixels | 2 MP, 1600x1200 pixels | ||
| Video Recording | ![]() |
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| General Features | ||||
| OS | Proprietary Micromax software | Android | ||
| Version | 2.3 | |||
| WAP Enabled | WAP 2.0 | |||
| Bluetooth Features | Yes, v2.1 with A2DP | Yes, v2.1 | ||
| Messaging | SMS, MMS, E-mail | SMS, MMS, E-mail | ||
| GPS | ![]() |
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| USB Connector | ![]() |
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| Browser | Android browser | |||
| Available Colours | Black & Yellow | Black | ||
| Carrier Networks | ||||
| 2G | GSM 850/900/1800/1900 | GSM 900 / 1800 | ||
| 3G | WCDMA 2100 | |||
| Speed | HSDPA, 7.2 Mbps; HSUPA, 5.76 Mbps | |||
| Data | ||||
| GPRS | ![]() |
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| EGPRS or EDGE | ![]() |
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| WiFi | 802.11 b/g | Wi-Fi 802.11 b/g/n | ||
| Body | ||||
| Dimensions | 113.5 x 57.5 x 12.2 mm | 124.8 x 64 x 11.7 mm | ||
| Weight (grams) | 103.5 g | |||
| Sound | ||||
| Media Player | Music formats: MP3, WAV, MIDI - Video formats: MP4, 3GP |
Music formats: MP3 | ||
| Alert Tone | Polyphonic, Truetone | |||
| Speakerphone | ![]() |
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| Audio connector | 3.5 mm | |||
| Battery | ||||
| Type | Li-Ion | Li-Ion | ||
| Capacity (mAh) | 1000 | 1400 mAh | ||
| Talk Time with Standard Battery (Minutes) | Up to 240 | Up to 300 | ||
| Standby Time with Standard Battery (Hours) | Up to 8 days | Up to 7 days | ||
| Miscellaneous Features | ||||
| Built in Applications | YouTube - Google+ - Google Search |
YouTube - Google Search - Gtalk - Gmail - Google Play for downloading games/music/apps - Google Maps - Google sync |
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| Other Features | World clock, Alarm, Calculator, Currency/unit converter, Calendar, Tasks, Voice recorder | Calendar, Calculator, Alarm, Clock | ||
| After Sales Service | ||||
| Warranty Period | 1 Year | 1 Year | ||









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