Nokia Lumia 638

Name: Nokia Lumia 638
Brand: Nokia
Rating: 1.5 (291 reviews)

RM-1010

1.5/10

1GB
RAM

8GB
memory

4.5"
480x854

5MP
0MP front

1830 mAh battery

Platform

OS	Microsoft Windows Phone 8.1
RAM	1 GB -80.3
Internal	8 GB -93.4
CPU	Quad-core 1.2 GHz Cortex-A7
GPU	Adreno 305
Chipset	Qualcomm Snapdragon 400

Screen

Type	IPS LCD capacitive touchscreen, 16M colors
Size	4.5 inches (11.025 cm) -30.3
Resolution	480x854 -79.7
Pixel density	218 ppi -36.1
Screen/body ratio	64.6% -21.6
Multi-touch	Yes
Protection	Corning Gorilla Glass 3

Sound

Alerts	MP3, WAV ringtones, Vibration
Output	3.5mm
Radio	FM radio

Camera

Primary	5 MP, autofocus -81.4
Video quality	Yes
Secondary	No -100
Features	1/4" sensor size, geo-tagging, panorama

Battery

Capacity	Removable Li-Ion 1830 mAh battery (BL-5H) -55.1

Physical feel

Height	12.95cm (5.29 inch) -20.1
Width	6.67cm (2.72 inch) -16.6
Thickness	0.92 cm (0.38 inch) +7.1
Volume	79.46638cm³ (4.85 inch³) -29.9
Weight	136 g (4.80 oz) -30.7
Colors	Black

Sensors & ports

GPS	A-GPS, GLONASS
Card slot	microSD, up to 128 GB
USB	microUSB v2.0
Sensors & ports	Accelerometer

Network

SIM	Micro-SIM
Technology	GSM / HSPA / LTE
GPRS	Yes
Edge	Yes
Speed	HSPA 42.2/5.76 Mbps LTE Cat4 150/50 Mbps
Bluetooth	v4.0, A2DP, LE/ apt-X after WP8 Denim update
WLAN	Wi-Fi 802.11 b/g/n, DLNA, hotspot

Variants & compatibility

Modals	RM-1010
International modal	GSM 850 / 900 / 1800 / 1900 HSDPA 850 / 900 / 1900 / 2100 LTE band 3(1800), 7(2600), 38(2600), 39(1900), 40(2300), 41(2500)
RM-1010	GSM 850 / 900 / 1800 / 1900 HSDPA 850 / 900 / 1900 / 2100 LTE band 3(1800), 7(2600), 38(2600), 39(1900), 40(2300), 41(2500)

Misc.

Messaging	Email, IM, MMS, Push Email, SMS (threaded view)
Browser	HTML5
Java	No
	Active noise cancellation with dedicated mic Document viewer MP3/WAV/eAAC+/WMA player MP4/H.264/WMV player OneDrive (15 GB cloud storage) Video/photo editor

Availability

Vendor	Nokia
Modal year	2014
Announced	December, 2014
Released	December, 2014
Status	Available. Released 2014, December

Review

1.5/10

Nokia Lumia 638 is a Windows device (Microsoft Windows Phone 8.1) powered with a Quad-core 1.2 GHz Cortex-A7 processor, Qualcomm Snapdragon 400 chipset and Adreno 305 GPU. Nokia Lumia 638 has 1 GB RAM. This is -80.3% when compared with the industry avarage capacity of a RAM of the devices released during this year (February, 2019 - February, 2020). An avarage device released during this year had 5.1 GB of RAM. Also Nokia Lumia 638 has 8GB internal memory which is -93.4% when compared with the industry avarage capacity of a internal memory for this year. An avarage device released during this year had around 121GB of internal memory. Nokia Lumia 638 has a 4.5 inch IPS LCD capacitive touchscreen screen. Screen size avarage for 2020 was 6.5 inch (-30.3%). Total number of pixels in screen for Nokia Lumia 638 is 409,920 (854x480) and this is -79.7% the avarage. Pixel densiy 218ppi is -36.1% (avarage was 341ppi). An avarage phone in 2020 was about 196g in weight but Nokia Lumia 638 136g weight is -30.7% of this avarage. Screen/body ratio 64.6% is -21.6% the avarage of 82.4% and Nokia Lumia 638 comes with Corning Gorilla Glass 3. 5MP primary camera is -81.4% the avarage of 26.9MP and The volume of Nokia Lumia 638 is 79.47 cubic cm and it is -29.9% the avarage of 113.29 cubic cm while its thinkness is 9.2 cm while the 2020 avarage was 8.59cm (+7.1%). Nokia Lumia 638 is powered by a Removable Li-Ion 1830 mAh battery (BL-5H) which is -55.1% while the avarage battery capacity for 2020 was 4075 mAh.

Pros

Corning Gorilla Glass 3.
Compact dimensions (12.95x6.67x0.92cm). 4-
Light weight, only 136g. 6-
External memory expansion slot: microSD, up to 128 GB

Cons

1 GB RAM. 93.3+
8 GB internal memory. 99.2+
4.5 inch IPS LCD capacitive touchscreen, 16M colors. 93.8+
480x854 screen resolution. 35.9+
218ppi pixel density. 89.8+
64.6% screen/body ratio. 92.9+
5 MP primary camera. 93.2+
Thicker, 0.92cm. 21.4+
1830 mAh battery. 97.6+
Not water resistant.