LG Optimus LTE SU640
#7115
ZTE Grand X2 In
#5672Category Breakdown
LG Optimus LTE SU640
ZTE Grand X2 In
Performance
41.847.9
Camera
19.139.6
Display
41.856.5
Battery
17.718.9
Build
0.20.2
Connectivity
42.034.6
Audio
8.98.9
Overall
20.526.9
Summary
- The LG Optimus LTE SU640 and ZTE Grand X2 In both feature a 4.5-inch display with a resolution of 720 x 1280 pixels, but the Grand X2 In has a slightly more advanced Intel Atom Z2580 processor, offering better performance with its 2.0 GHz dual-core CPU compared to the 1.5 GHz dual-core in the Optimus.
- Both devices have an 8 MP rear camera, but the Grand X2 In's camera capabilities are less specified for video.
- The battery of the Grand X2 In is larger at 2000 mAh compared to the Optimus's 1830 mAh, potentially offering better longevity.
- In terms of software, the Optimus runs on an older Android 2.3.5, upgradable to 4.0, while the Grand X2 In operates on Android 4.1, providing a more modern software experience.
- Build quality details are sparse, but the Optimus weighs 135g and has a more defined dimension, while the Grand X2 In's specifications are incomplete.
Side-by-side Specification Comparison
LG Optimus LTE SU640
ZTE Grand X2 In
General
Release Date
2012
2013
Announced
2011
2013
Description
For South Korea
Preliminary official specifications
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
Intel Atom Z2580
CPU
Dual-core 1.5 GHz Scorpion
Dual-core 2.0 GHz
GPU
Adreno 220
PowerVR SGX544MP2
Memory
4GB 1GB RAM
8GB 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
1 MP
Front Camera Features
N/A
N/A
Video Recording
1080p@30fps
Yes
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, 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)
N/A
Weight
135 g
N/A
Materials
N/A
N/A
Colors
Black, White
Blue
Foldable
✗
✗
SAR
N/A
N/A
Connectivity
SIM
Mini-SIM
Yes
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
Yes
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