
Overall Score
53.8Category Breakdown
Overall(#7117)53.8
Performance(#10394)54.3
Camera(#7541)42.0
Display(#6975)67.3
Battery(#10376)43.5
Build(#8562)70.8
Comparisons Featuring Nokia Lumia 638
Short Review
- The Nokia Lumia 638 features a compact design with dimensions of 129.5 x 66.7 x 9.2 mm and a weight of 136g, making it easy to handle.
- Its 4.5-inch IPS LCD display offers a resolution of 480 x 854 pixels, resulting in a pixel density of approximately 218 ppi, suitable for basic tasks.
- Powered by a Qualcomm Snapdragon 400 chipset and a quad-core 1.2 GHz Cortex-A7 CPU, the performance is adequate for everyday use, supported by 1GB of RAM.
- The rear camera has a 5 MP sensor with autofocus, capable of capturing decent images, though it lacks optical image stabilization.
- The battery capacity stands at 1830 mAh, providing sufficient power for typical usage without fast charging or wireless capabilities.
- Running on Microsoft Windows Phone 8.1, the software experience is straightforward but limited compared to modern platforms.
- Connectivity options include Wi-Fi 802.11 b/g/n and Bluetooth 4.0, but it does not support 5G or NFC.
- The device lacks stereo speakers but includes a headphone jack for audio output.
- Overall, the Lumia 638 is a basic smartphone with essential features for users seeking simplicity.
- Its build quality and performance are aligned with its specifications, catering to those who prioritize functionality over advanced features.
Specifications
General
Release Date2014
Announced2014
DescriptionN/A
Display
Size4.5"
TypeIPS LCD
Resolution480 x 854 pixels, 16:9 ratio (~218 ppi density)
PPI480
Refresh Rate60Hz
Peak BrightnessN/A
HDR Support✗
ProtectionCorning Gorilla Glass 3
Performance
ChipsetQualcomm Snapdragon 400 (28 nm)
CPUQuad-core 1.2 GHz Cortex-A7
GPUAdreno 305
Memory8GB 1GB RAM
Expandable Storage✗
Card SlotmicroSDXC (dedicated slot)
Camera
Main Camera5 MP
Main Camera Details5 MP, 1/4.0", AF
Front CameraN/A
Front Camera DetailsN/A
Video RecordingYes
Selfie VideoN/A
OIS✗
Night Mode✗
RAW Support✗
Battery
Capacity1830 mAh
Battery DetailsLi-Ion 1830 mAh, removable (BL-5H)
Charging DetailsN/A
Fast Charging✗
Wireless Charging✗
Build & Design
Dimensions129.5 x 66.7 x 9.2 mm (5.10 x 2.63 x 0.36 in)
Weight136 g
MaterialsN/A
Water ResistanceN/A
ColorsBlack
Foldable✗
Connectivity
SIMMicro-SIM
NetworkGSM / HSPA / LTE
Network SpeedHSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
5G✗
4G✓
WiFiWi-Fi 802.11 b/g/n, DLNA, hotspot
Bluetooth4.0, A2DP, LE/ aptX after WP8 Denim update
NFC✗
USBmicroUSB 2.0
IR Blaster✗
Headphone Jack✓
Radio✗
PositioningGPS, GLONASS
Software
Operating SystemMicrosoft Windows Phone 8.1
OS VersionMicrosoft Windows Phone 8.1
Security
Fingerprint✗
Face Unlock✗
SensorsAccelerometer
Audio
Stereo Speakers✗
LoudspeakerYes
Audio JackYes