LG Optimus LTE SU640
#7115
LG Spectrum VS920
#6806Category Breakdown
LG Optimus LTE SU640
LG Spectrum VS920
Performance
41.841.8
Camera
19.119.1
Display
41.841.8
Battery
17.717.7
Build
0.215.7
Connectivity
42.049.1
Audio
8.98.9
Overall
20.522.0
Summary
- The LG Optimus LTE SU640 and LG Spectrum VS920 both feature a 4.5-inch HD-IPS LCD display with a resolution of 720 x 1280 pixels, providing similar visual quality.
- In terms of build quality, the Optimus is slightly lighter at 135g compared to the Spectrum's 141.5g, with the latter being marginally larger in dimensions.
- Both devices are powered by the same Qualcomm Snapdragon S3 chipset, offering equivalent performance with dual-core 1.5 GHz CPUs and 4GB of RAM.
- Camera specifications are identical, featuring an 8 MP rear camera capable of 1080p video recording and a 1.3 MP front camera.
- Battery capacity is also the same at 1830 mAh, with no wireless charging options available.
- The software experience differs slightly, as the Optimus can be upgraded to Android 4.0, while the Spectrum runs on Android 2.3.
Side-by-side Specification Comparison
LG Optimus LTE SU640
LG Spectrum VS920
General
Release Date
2012
2012
Announced
2011
2012
Description
For South Korea
For VerizonAlso known as LG Revolution 2
Display
Size
4.5"
4.5"
Type
HD-IPS LCD
HD-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
Corning Gorilla Glass
Performance
Chipset
Qualcomm MSM8660 Snapdragon S3
Qualcomm MSM8660 Snapdragon S3
CPU
Dual-core 1.5 GHz Scorpion
Dual-core 1.5 GHz Scorpion
GPU
Adreno 220
Adreno 220
Memory
4GB 1GB RAM
4GB 1GB RAM
Expandable Storage
✗
✗
Card Slot
microSDHC (dedicated slot), 16 GB included
microSDHC (dedicated slot), 16 GB included
Camera
Main Camera
8 MP, AF
8 MP, AF
Main Camera Features
LED flash
LED flash
Front Camera
1.3 MP
1.3 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
1830 mAh
Battery Details
Removable Li-Ion 1830 mAh battery
Removable Li-Ion 1830 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)
135.4 x 68.8 x 10.4 mm (5.33 x 2.71 x 0.41 in)
Weight
135 g
141.5 g
Materials
N/A
N/A
Colors
Black, White
Black
Foldable
✗
✗
SAR
N/A
0.86 W/kg (head) 1.11 W/kg (body)
Connectivity
SIM
Mini-SIM
Mini-SIM
Network
GSM / HSPA / LTE
CDMA / EVDO / LTE
Network Speed
HSPA, LTE
EV-DO Rev.A 3.1 Mbps, LTE
5G
✗
✗
4G
✓
✓
WiFi
Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi Direct, DLNA, hotspot
Wi-Fi 802.11 a/b/g/n, dual-band, Wi-Fi Direct, DLNA, hotspot
Bluetooth
3.0, A2DP
3.0, A2DP, EDR
NFC
✗
✓
USB
microUSB 2.0 (MHL TV-out)
microUSB 2.0 (MHL TV-out)
IR Blaster
✗
✗
Headphone Jack
✓
✓
Radio
✗
✗
Positioning
GPS, A-GPS
GPS, A-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 2.3 (Gingerbread)
Fingerprint
✗
✗
Face Unlock
✗
✗
Sensors
Accelerometer, gyro, proximity, compass
Accelerometer, gyro, proximity, compass