Category Breakdown
Nokia Lumia 638
Yezz 4.5EL LTE
Performance
54.354.3
Camera
42.042.0
Display
67.367.3
Battery
43.543.5
Build
70.870.8
Overall
53.853.8
Summary
- The Nokia Lumia 638 and Yezz 4.5EL LTE both feature a 4.5-inch IPS LCD display with a resolution of 480 x 854 pixels, offering similar visual clarity.
- In terms of performance, the Lumia is powered by a Qualcomm Snapdragon 400 chipset with a slightly faster CPU at 1.2 GHz compared to the Yezz's MediaTek MT6737M at 1.1 GHz.
- Both devices have 1GB of RAM and 8GB of internal storage, but the Yezz offers a higher resolution video recording capability at 1080p, while the Lumia's rear camera is limited to standard video.
- The Lumia has a 1830 mAh battery, slightly larger than the Yezz's 1700 mAh, but both lack fast charging and wireless capabilities.
- The Lumia runs on Microsoft Windows Phone 8.1, while the Yezz operates on Android 6.0, providing different software experiences and app ecosystems.
Side-by-side Specification Comparison
Nokia Lumia 638
Yezz 4.5EL LTE
General
Release Date
2014
2016
Announced
2014
2016
Description
N/A
N/A
Display
Size
4.5"
4.5"
Type
IPS LCD
IPS LCD
Resolution
480 x 854 pixels, 16:9 ratio (~218 ppi density)
480 x 854 pixels, 16:9 ratio (~218 ppi density)
PPI
480
480
Refresh Rate
60Hz
60Hz
Peak Brightness
N/A
N/A
HDR Support
✗
✗
Protection
Corning Gorilla Glass 3
N/A
Performance
Chipset
Qualcomm Snapdragon 400 (28 nm)
Mediatek MT6737M (28 nm)
CPU
Quad-core 1.2 GHz Cortex-A7
Quad-core 1.1 GHz Cortex-A53
GPU
Adreno 305
Mali-T720MP2
Memory
8GB 1GB RAM
8GB 1GB RAM
Expandable Storage
✗
✗
Card Slot
microSDXC (dedicated slot)
microSDHC
Camera
Main Camera
5 MP
5 MP
Main Camera Details
5 MP, 1/4.0", AF
5 MP
Front Camera
N/A
2 MP
Front Camera Details
N/A
2 MP
Video Recording
Yes
1080p@30fps
Selfie Video
N/A
N/A
OIS
✗
✗
Night Mode
✗
✗
RAW Support
✗
✗
Battery
Capacity
1830 mAh
1700 mAh
Battery Details
Li-Ion 1830 mAh, removable (BL-5H)
Li-Ion 1700 mAh battery
Charging Details
N/A
N/A
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Design
Dimensions
129.5 x 66.7 x 9.2 mm (5.10 x 2.63 x 0.36 in)
136.5 x 66 x 8.8 mm (5.37 x 2.60 x 0.35 in)
Weight
136 g
130 g
Materials
N/A
N/A
Water Resistance
N/A
N/A
Colors
Black
Black
Foldable
✗
✗
Connectivity
SIM
Micro-SIM
Dual SIM (Mini-SIM/ Micro-SIM)
Network
GSM / HSPA / LTE
GSM / HSPA / LTE
Network Speed
HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
5G
✗
✗
4G
✓
✓
WiFi
Wi-Fi 802.11 b/g/n, DLNA, hotspot
Wi-Fi 802.11 b/g/n
Bluetooth
4.0, A2DP, LE/ aptX after WP8 Denim update
4.0, LE
NFC
✗
✗
USB
microUSB 2.0
microUSB 2.0
IR Blaster
✗
✗
Headphone Jack
✓
✓
Radio
✗
✗
Positioning
GPS, GLONASS
GPS
Software
Operating System
Microsoft Windows Phone 8.1
Android 6.0 (Marshmallow)
OS Version
Microsoft Windows Phone 8.1
Android 6.0 (Marshmallow)
Security
Fingerprint
✗
✗
Face Unlock
✗
✗
Sensors
Accelerometer
Accelerometer
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
Yes
Yes

