Nokia Lumia 638

136 g (4.8 oz)

129.5 x 66.7 x 9.2 mm (5.1 x 2.63 x 0.36 in)

Black

4.5 inches, 11.43 cm (~64.6% screen-to-body ratio)

480 x 854 pixels, 16:9 ratio (~218 ppi density)

IPS LCD capacitive touchscreen

16 million colors

• Multi-touch Input
• Corning Gorilla Glass 3
• ClearBlack display

5 MP, 1/4", AF

Panorama

Yes|||No

• N/A

N/A

Qualcomm Snapdragon 400

Quad-core 1.2 GHz Cortex-A7

Adreno 305

Accelerometer

8GB

1GB

microSD, up to 256 GB (dedicated slot)

• 8GB Internal Storage, 1GB RAM

Smartphone

Microsoft Windows Phone 8.1

SMS (threaded view), MMS, Email, Push Email, IM

• Browser: HTML5
• Games: Yes, Downloadable

1830 mAh BL-5H

Removable

Li-Ion

No information

• Micro-SIM

HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps

Yes/Yes

microUSB 2.0

Yes, with A-GPS, GLONASS

4.0, A2DP, LE/ aptX after WP8 Denim update

Not supported

Wi-Fi 802.11 b/g/n, DLNA, hotspot

FM radio

Not supported

3.5mm Audio jack

Yes

• Vibration, MP3, WAV ringtones
• Active noise cancellation with dedicated mic