LG Optimus LTE SU640
#7115
Panasonic T21
#7127Category Breakdown
LG Optimus LTE SU640
Panasonic T21
Performance
41.828.0
Camera
19.119.1
Display
41.856.5
Battery
17.716.7
Build
0.20.2
Connectivity
42.028.0
Audio
8.98.9
Overall
20.520.4
Summary
- The LG Optimus LTE SU640 and Panasonic T21 both feature a 4.5-inch IPS LCD display with a resolution of 720 x 1280 pixels, offering similar visual quality.
- In terms of performance, the LG model has a slightly faster dual-core 1.5 GHz CPU compared to the 1.2 GHz CPU in the Panasonic, although both have 4GB of RAM.
- Both devices sport an 8 MP rear camera capable of 1080p video recording, but the T21 has a higher resolution 2 MP front camera versus the 1.3 MP on the LG.
- The LG has a battery capacity of 1830 mAh, while the Panasonic's is slightly lower at 1700 mAh.
- The software experience differs, with the LG running Android 2.3.5 (upgradable to 4.0) and the Panasonic operating on Android 4.1, providing a more updated software experience.
- Build quality is comparable, with the LG being slightly thicker and lighter than the Panasonic.
Side-by-side Specification Comparison
LG Optimus LTE SU640
Panasonic T21
General
Release Date
2012
2013
Announced
2011
2013
Description
For South Korea
N/A
Display
Size
4.5"
4.5"
Type
HD-IPS LCD
IPS LCD
Resolution
720 x 1280 pixels, 16:9 ratio (~326 ppi density)
720 x 1280 pixels, 16:9 ratio (~326 ppi density)
PPI
720
720
Refresh Rate
60Hz
60Hz
HDR Support
✗
✗
Protection
N/A
N/A
Performance
Chipset
Qualcomm MSM8660 Snapdragon S3
N/A
CPU
Dual-core 1.5 GHz Scorpion
Dual-core 1.2 GHz
GPU
Adreno 220
N/A
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
Front Camera
1.3 MP
2 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
1700 mAh
Battery Details
Removable Li-Ion 1830 mAh battery
Li-Ion 1700 mAh, removable
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)
132 x 66 x 9.8 mm (5.20 x 2.60 x 0.39 in)
Weight
135 g
140 g
Materials
N/A
N/A
Colors
Black, White
Black, White
Foldable
✗
✗
SAR
N/A
N/A
Connectivity
SIM
Mini-SIM
Dual SIM
Network
GSM / HSPA / LTE
GSM / HSPA
Network Speed
HSPA, LTE
HSPA
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, hotspot
Bluetooth
3.0, A2DP
2.1, A2DP
NFC
✗
✗
USB
microUSB 2.0 (MHL TV-out)
microUSB 2.0
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 4.1 (Jelly Bean)
Fingerprint
✗
✗
Face Unlock
✗
✗
Sensors
Accelerometer, gyro, proximity, compass
Accelerometer, proximity, compass