Compare
Specifications
alcatel OT-991 |
Nokia Lumia 635 |
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Full
Differences
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alcatel OT-991 |
Nokia Lumia 635 |
| Network | ||
|---|---|---|
| Technology | GSM / HSPA | GSM / HSPA / LTE |
| 2G bands | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 |
| 3G Network | HSDPA 850 / 1900 / 2100 | HSDPA 850 / 900 / 2100 - RM-974 |
| HSDPA 850 / 1700 / 2100 | HSDPA 850 / 1700 / 1900 / 2100 - RM-975 | |
| 4G Network | 3, 7, 20 - RM-974 | |
| 2, 4, 5, 7, 17 - RM-975 | ||
| Speed | HSPA 7.2/0.384 Mbps | HSPA 42.2/5.76 Mbps, LTE Cat3 100/50 Mbps |
| Launch | ||
|---|---|---|
| Announced | 2012, February. Released 2012, Q3 | 2014, April. Released 2014, June |
| Status | Discontinued | Discontinued |
| Body | ||
|---|---|---|
| Dimensions | 122 x 68 x 10.8 mm (4.80 x 2.68 x 0.43 in) | 129.5 x 66.7 x 9.2 mm, 78.5 cc (5.10 x 2.63 x 0.36 in) |
| Weight | 131.3 g (4.62 oz) | 134 g (4.73 oz) |
| SIM | Mini-SIM | Micro-SIM |
| Display | ||
|---|---|---|
| Type | TFT, 256K colors | IPS LCD |
| Size | 4.0 inches, 47.6 cm2 (~57.4% screen-to-body ratio) | 4.5 inches, 54.3 cm2 (~62.9% screen-to-body ratio) |
| Resolution | 320 x 480 pixels, 3:2 ratio (~144 ppi density) | 480 x 854 pixels, 16:9 ratio (~221 ppi density) |
| Protection | Corning Gorilla Glass 3 | |
| ClearBlack display | ||
| Platform | ||
|---|---|---|
| OS | Android 2.3 (Gingerbread) | Microsoft Windows Phone 8.1 |
| Chipset | Mediatek MT6573 (65 nm) | Qualcomm Snapdragon 400 (28 nm) |
| CPU | 800 MHz Cortex-A9 | Quad-core 1.2 GHz Cortex-A7 |
| GPU | PowerVR SGX531 | Adreno 305 |
| Memory | ||
|---|---|---|
| Card slot | microSDHC (dedicated slot) | microSDXC (dedicated slot) |
| Internal | 150MB | 8GB 512MB 8GB 1GB RAM |
| eMMC 4.5 | ||
| Main Camera | ||
|---|---|---|
| Modules | 3.15 MP | 5 MP, 1/4.0", AF |
| Features | LED flash | Panorama |
| Video | Yes | 720p@30fps |
| Selfie Camera | ||
|---|---|---|
| Modules | Yes | No |
| Video | ||
ADVERTISEMENT
| Sound | ||
|---|---|---|
| Loudspeaker | Yes | Yes |
| 3.5mm jack | Yes | Yes |
| Comms | ||
|---|---|---|
| WLAN | Wi-Fi 802.11 b/g/n, hotspot | Wi-Fi 802.11 b/g/n, DLNA, hotspot |
| Bluetooth | 4.0, A2DP | 4.0, A2DP, LE/ aptX after WP8 Denim update |
| Positioning | GPS, A-GPS | GPS, GLONASS |
| NFC | No | |
| Infrared port | No | No |
| Radio | Stereo FM radio, RDS | FM radio |
| USB | microUSB 2.0 | microUSB 2.0 |
| Features | ||
|---|---|---|
| Sensors | Accelerometer, proximity, compass | Accelerometer, sensor core |
| MP3/AAC+/WAV/WMA player MP4/H.264 player Document viewer Photo viewer/editor Organizer Voice memo Predictive text input |
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| Battery | ||
|---|---|---|
| Type | Removable Li-Ion 1500 mAh battery | Li-Ion 1830 mAh, removable (BL-5H) |
| Stand-by | Up to 400 h | Up to 648 h |
| Talk time | Up to 12 h (2G) / Up to 10 h (3G) | Up to 12 h (2G) / Up to 14 h (3G) |
| Music play | Up to 58 h | |
| Misc | ||
|---|---|---|
| Colors | Black, White | Bright Orange, bright green, bright yellow, white, black | SAR | 0.97 W/kg (head) 0.77 W/kg (body) |
| SAR EU | 0.54 W/kg (head) 0.84 W/kg (body) | 0.75 W/kg (head) 0.79 W/kg (body) |
| Price | About 130 EUR | About 110 EUR |
| Tests | ||
|---|---|---|
| Display | Contrast ratio: 771:1 (nominal), 2.056 (sunlight) | |
| Loudspeaker | Voice 68dB / Noise 65dB / Ring 75dB | |
| Battery (old) | Endurance rating 66h | |