LG Optimus LTE SU640
#7345
Panasonic T21
#7328Category Breakdown
LG Optimus LTE SU640
Panasonic T21
Performance
51.351.3
Camera
42.142.1
Display
70.570.5
Battery
43.543.5
Build
70.870.8
Overall
53.653.6
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
Peak Brightness
N/A
N/A
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
8 MP
Main Camera Details
8 MP, AF
8 MP, AF
Front Camera
1.3 MP
2 MP
Front Camera Details
1.3 MP
2 MP
Video Recording
1080p@30fps
1080p@30fps
Selfie Video
N/A
N/A
OIS
✗
✗
Night Mode
✗
✗
RAW 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 & Design
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
Water Resistance
N/A
N/A
Colors
Black, White
Black, White
Foldable
✗
✗
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
Software
Operating System
Android 2.3.5 (Gingerbread), upgradable to 4.0 (Ice Cream Sandwich)
Android 4.1 (Jelly Bean)
OS Version
Android 2.3.5 (Gingerbread), upgradable to 4.0 (Ice Cream Sandwich)
Android 4.1 (Jelly Bean)
Security
Fingerprint
✗
✗
Face Unlock
✗
✗
Sensors
Accelerometer, gyro, proximity, compass
Accelerometer, proximity, compass
Audio
Stereo Speakers
✗
✗
Loudspeaker
Yes
Yes
Audio Jack
Yes
Yes