Category Breakdown
LG Optimus LTE SU640
QMobile Noir LT250
Performance
41.847.7
Camera
19.119.1
Display
41.856.5
Battery
17.718.9
Build
0.20.2
Connectivity
42.043.2
Audio
8.98.9
Overall
20.525.9
Summary
- The LG Optimus LTE SU640 features a 4.5-inch HD-IPS LCD display with a resolution of 720 x 1280 pixels, while the QMobile Noir LT250 has a slightly larger 4.7-inch IPS LCD with the same resolution but a lower pixel density.
- In terms of performance, the LG is powered by a dual-core Snapdragon S3 chipset, whereas the QMobile utilizes a more advanced quad-core Nvidia Tegra 4i, providing better multitasking capabilities.
- Both phones have an 8 MP rear camera capable of 1080p video recording, but the Noir LT250 offers a superior 5 MP front camera for selfies.
- The battery capacity of the QMobile at 2000 mAh is higher than the LG's 1830 mAh, potentially offering longer usage time.
- Software-wise, the LG runs on an older Android version (upgradable to 4.0), while the QMobile operates on Android 4.4.2, providing a more modern software experience.
- Build quality favors the QMobile with a lighter weight and slimmer profile compared to the bulkier LG.
Side-by-side Specification Comparison
LG Optimus LTE SU640
QMobile Noir LT250
General
Release Date
2012
2015
Announced
2011
2015
Description
For South Korea
N/A
Display
Size
4.5"
4.7"
Type
HD-IPS LCD
IPS LCD
Resolution
720 x 1280 pixels, 16:9 ratio (~326 ppi density)
720 x 1280 pixels, 16:9 ratio (~312 ppi density)
PPI
720
720
Refresh Rate
60Hz
60Hz
HDR Support
✗
✗
Protection
N/A
Corning Gorilla Glass 2
Performance
Chipset
Qualcomm MSM8660 Snapdragon S3
Nvidia Tegra 4i
CPU
Dual-core 1.5 GHz Scorpion
Quad-core 1.7 GHz
GPU
Adreno 220
ULP GeForce
Memory
4GB 1GB RAM
4GB 1GB RAM
Expandable Storage
✗
✗
Card Slot
microSDHC (dedicated slot), 16 GB included
microSDHC (dedicated slot)
Camera
Main Camera
8 MP, AF
8 MP, AF
Main Camera Features
LED flash
LED flash, HDR
Front Camera
1.3 MP
5 MP
Front Camera Features
N/A
N/A
Video Recording
1080p@30fps
1080p@30fps
Selfie Video
N/A
N/A
Optical Stabilization
✗
✗
Night Mode
✗
✗
Raw Photo Support
✗
✗
Battery
Capacity
1830 mAh
2000 mAh
Battery Details
Removable Li-Ion 1830 mAh battery
Li-Ion 2000 mAh battery
Charging Details
N/A
N/A
Fast Charging
✗
✗
Wireless Charging
✗
✗
Build & Safety
Dimensions
132.9 x 67.9 x 10.4 mm (5.23 x 2.67 x 0.41 in)
140.1 x 67.5 x 8.8 mm (5.52 x 2.66 x 0.35 in)
Weight
135 g
119 g
Materials
N/A
N/A
Colors
Black, White
Black
Foldable
✗
✗
SAR
N/A
N/A
Connectivity
SIM
Mini-SIM
Micro-SIM
Network
GSM / HSPA / LTE
GSM / HSPA / LTE
Network Speed
HSPA, LTE
HSPA, LTE Cat3 100/50 Mbps
5G
✗
✗
4G
✓
✓
WiFi
Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi Direct, DLNA, hotspot
Wi-Fi 802.11 b/g/n, Wi-Fi Direct, hotspot
Bluetooth
3.0, A2DP
4.0, A2DP
NFC
✗
✗
USB
microUSB 2.0 (MHL TV-out)
microUSB 2.0, OTG
IR Blaster
✗
✗
Headphone Jack
✓
✓
Radio
✗
✗
Positioning
GPS, A-GPS
GPS
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
Yes
Yes
Software & Security
Operating System
Android 2.3.5 (Gingerbread), upgradable to 4.0 (Ice Cream Sandwich)
Android 4.4.2 (KitKat)
Fingerprint
✗
✗
Face Unlock
✗
✗
Sensors
Accelerometer, gyro, proximity, compass
Accelerometer, proximity, compass

