Category Breakdown
Nokia Lumia 638
Samsung Galaxy Win I8550
Performance
43.340.1
Camera
39.612.7
Display
54.416.9
Battery
17.718.9
Build
0.217.5
Connectivity
44.629.0
Audio
8.98.9
Overall
27.016.4
Summary
- The Nokia Lumia 638 features a 4.5-inch IPS LCD display with a resolution of 480 x 854 pixels, while the Samsung Galaxy Win I8550 has a slightly larger 4.7-inch TFT display with a resolution of 480 x 800 pixels.
- In terms of performance, both devices are equipped with quad-core processors, but the Lumia uses a Snapdragon 400 chipset compared to the Win's Snapdragon 200, potentially offering better performance.
- Both cameras are 5 MP without optical image stabilization, but the Lumia's video capabilities are unspecified, while the Win records at 480p.
- The Lumia has a smaller 1830 mAh battery compared to the Win's 2000 mAh, which may provide longer usage time for the latter.
- The Lumia runs on Windows Phone 8.1, whereas the Win operates on Android 4.1.2, offering different software experiences.
Side-by-side Specification Comparison
Nokia Lumia 638
Samsung Galaxy Win I8550
General
Release Date
2014
2013
Announced
2014
2013
Description
N/A
Available as Samsung Galaxy Grand Quattro; Samsung Galaxy Win Duos I8552 with dual-SIM card slots
Display
Size
4.5"
4.7"
Type
IPS LCD
TFT
Resolution
480 x 854 pixels, 16:9 ratio (~218 ppi density)
480 x 800 pixels, 5:3 ratio (~199 ppi density)
PPI
480
480
Refresh Rate
60Hz
60Hz
HDR Support
✗
✗
Protection
Corning Gorilla Glass 3
N/A
Performance
Chipset
Qualcomm Snapdragon 400 (28 nm)
Qualcomm MSM8625Q Snapdragon 200 (45 nm)
CPU
Quad-core 1.2 GHz Cortex-A7
Quad-core 1.2 GHz Cortex-A5
GPU
Adreno 305
Adreno 203
Memory
8GB 1GB RAM
8GB 1GB RAM
Expandable Storage
✗
✗
Card Slot
microSDXC (dedicated slot)
microSDHC (dedicated slot)
Camera
Main Camera
5 MP, 1/4.0", AF
5 MP, AF
Main Camera Features
Panorama
LED flash
Front Camera
N/A
VGA
Front Camera Features
N/A
N/A
Video Recording
Yes
480p@30fps
Selfie Video
N/A
N/A
Optical Stabilization
✗
✗
Night Mode
✗
✗
Raw Photo Support
✗
✗
Battery
Capacity
1830 mAh
2000 mAh
Battery Details
Li-Ion 1830 mAh, removable (BL-5H)
Li-Ion 2000 mAh, removable
Charging Details
N/A
N/A
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Safety
Dimensions
129.5 x 66.7 x 9.2 mm (5.10 x 2.63 x 0.36 in)
133.3 x 70.7 x 9.7 mm (5.25 x 2.78 x 0.38 in)
Weight
136 g
143.9 g
Materials
N/A
N/A
Colors
Black
Ceramic White, Titan Gray
Foldable
✗
✗
SAR
N/A
0.26 W/kg (head) 0.67 W/kg (body)
Connectivity
SIM
Micro-SIM
Single SIM (Micro-SIM) or Dual SIM (Micro-SIM, dual stand-by)
Network
GSM / HSPA / LTE
GSM / HSPA
Network Speed
HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
HSPA 7.2/5.76 Mbps
5G
✗
✗
4G
✓
✗
WiFi
Wi-Fi 802.11 b/g/n, DLNA, hotspot
Wi-Fi 802.11 b/g/n, hotspot, DLNA
Bluetooth
4.0, A2DP, LE/ aptX after WP8 Denim update
3.0
NFC
✗
✗
USB
microUSB 2.0
microUSB 2.0
IR Blaster
✗
✗
Headphone Jack
✓
✓
Radio
✗
✗
Positioning
GPS, GLONASS
GPS
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
Yes
Yes
Software & Security
Operating System
Microsoft Windows Phone 8.1
Android 4.1.2 (Jelly Bean)
Fingerprint
✗
✗
Face Unlock
✗
✗
Sensors
Accelerometer
Accelerometer, proximity, compass

