Skip to content

ZTE X990 (Single-sim) vs LG Viper 4G LTE (LS840)

Side by side comparison between ZTE X990 vs LG Viper 4G LTE phones, differences, pros, cons and full specifications. What's the better?

,
Compare LG Viper 4G LTE X ZTE X990 (Single-sim) 02Points
ZTE X990 (Single-sim)
Specifications Compare Models Pictures
2.4"
TFT

320x240

2
MP
N/A
900
mAh

(Removable)

vs
24Points LG Viper 4G LTE (LS840) Compare ZTE X990 X
LG Viper 4G LTE (LS840)
Specifications Compare Models Pictures
4"
IPS

480x800

5
MP

0.3mp

1GB
RAM

Dual-core

1700
mAh

(Removable)

What's the better phone? LG Viper 4G LTE (LS840)

The phonemore's choice is much more technical than personal. Therefore, you shouldn't only consider this. Our goal is to help you, but what's important to us may not be important to you. You decide which one is the best! Comment!

X990 (Single-sim)} 2 Advantages ZTE X990 (Single-sim) vs Viper 4G LTE (LS840)} 24 Advantages LG Viper 4G LTE (LS840)
+95 grams (3.33 ounces)49%
Lighter		vs142 grams (4.97 ounces)
+FM (RDS)Advantage
The radio lets you listen to your songs and sports in general		vsNot supported
128MB (50MB available)vs+4GB (1.68GB available)33 times
More internal storage for applications and files
Until 8GB microSD, microSDHCvs+Until 32GB microSD, microSDHC3 times
More external storage for files using memory cards
11.8 millimeters (0.46 inches)vs+11.7 millimeters (0.46 inches)1%
Thinner
TFT LCDvs+TFT NOVA IPSAdvantage
TFT NOVA IPS display is brighter and more vivid
260 thousandvs+16 million61 times
More colors on the screen is better quality images and videos
320x240 pixelsvs+480x800 pixels4 times
Higher resolution screen
167 PPIvs+233 PPI40%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
2.4"vs+4"67%
Larger screen
(back) 2MPvs+(back) 5MP156%
Higher resolution main camera
Not supportedvs+LED flashAdvantage
The LED flash helps in dark places or in low light
Not supportedvs+AutofocusAdvantage
Best autofocus type for taking pictures
Not supportedvs+(front) 0.3MPAdvantage
A front-camera is best for taking selfies
QCIF (176x144)vs+Full HD (1920x1080)81 times
More image quality for recording videos with the primary camera
10 appsvs+3500000 apps (Google Play Store)349999 times
More apps available to download and use
2G EDGEvs+4G LTEAdvantage
The 4G LTE network is newer and faster
(2G EDGE) 0.236 Mbpsvs+(4G LTE) 75 Mbps317 times
Faster for surfing the internet and download files
Not supportedvs+Capacitive MultitouchAdvantage
The touch screen facilitates the use of the device
Not supportedvs+Accelerometer, Proximity sensor, Compass, Ambient light sensorAdvantage
Sensors help you use the device
900 mAhvs+1700 mAh89%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
Not supportedvs+A-GPS, GeoTaggingAdvantage
It's harder to lose yourself in the city with GPS on your device
Not supportedvs+802.11 b/g/n [wifi4]Advantage
WiFi 802.11 b/g/n [wifi4] is newer and faster
2.0 + A2DPvs+3.0 + A2DPAdvantage
Bluetooth 3.0 + A2DP is newer and faster
Not supportedvs+NFCAdvantage
NFC allows you to make payments by approach quickly and securely
Not supportedvs+Gorilla GlassAdvantage
Protection against scratches on the screen lets you carry your phone with your keys
5 Common items in both devices
Only digital zoom
Li-Ion: lithium-ion (Removable)
3.5mm jack
MicroUSB 2.0
WAP, HTML / HTML, XHTML, Flash player
+ specs and more in the table below

Check the comparison table below for more items that are not evaluated in comparison score above.

Highlight differences Clear highlight

📱 Model features

ZTE X990 (Single-sim)LG Viper 4G LTE (LS840)
 
ModelX990 (Single-sim)Viper 4G LTE (LS840)
Other model namesZTE X990 Single-simSprint LG Viper LS840 CDMA + LTE
Country or region availablefeature not registeredUSA
USA
BrandZTELG
Release date5/1/20104/22/2012
Depth11.8 millimeters (0.46 inches)11.7 millimeters (0.46 inches)
Size (width x height)60.8 x 106.8 millimeters (2.39 x 4.2 in)62 x 116.6 millimeters (2.44 x 4.59 in)
Weight95 grams (3.33 ounces)142 grams (4.97 ounces)
Build, materialsfeature not registeredfeature not registered
Protection against water and othersNot supportedNot supported

📲 Display

ZTE X990 (Single-sim)LG Viper 4G LTE (LS840)
Display typeTFT LCDTFT NOVA IPS
Screen size2.4" inches4" inches
Screen-to-body ratio~27.5% (screen-to-body ratio)~63% (screen-to-body ratio)
Display resolution320x240 pixels480x800 pixels
TouchscreenNot supportedCapacitive Multitouch
Pixel density (dot pitch)167 PPI233 PPI
Colors260 thousand16 million
Scratch-resistant glassNot supportedGorilla Glass
Refresh ratefeature not registeredfeature not registered
Display featuresfeature not registeredfeature not registered

🤖 Operating System

ZTE X990 (Single-sim)LG Viper 4G LTE (LS840)
System versionProprietary OSAndroid 2.3.6 Gingerbread
Firmware updatefeature not registeredfeature not registered
User Interfacefeature not registeredfeature not registered

⚙️ Processor

ZTE X990 (Single-sim)LG Viper 4G LTE (LS840)
Chipsetfeature not registered32bit: Qualcomm Snapdragon MSM8660
CPUSingle-core, 1 processor:
Single-core		Dual-core, 1 processor:
2x 1.2GHz Scorpion (Dual-core)
GPU graphical controllerfeature not registeredQualcomm Adreno 220
Performance (benchmark)feature not registeredfeature not registered

💽 Memory and storage

ZTE X990 (Single-sim)LG Viper 4G LTE (LS840)
RAM memoryfeature not registered1GB LPDDR2
Internal storage128MB (50MB available)4GB (1.68GB available)
External storageUntil 8GB microSD, microSDHC
(dedicated slot)		Until 32GB microSD, microSDHC
(dedicated slot)

📶 Mobile networks

ZTE X990 (Single-sim)LG Viper 4G LTE (LS840)
Dual-SIMNot supportedNot supported
SIM card1 slot (Single-SIM)
Standard mini-SIM (2FF)		1 slot (Single-SIM)
Standard mini-SIM (2FF)
Maximum Download / Upload0.236 Mbps75/25 Mbps
Network technology2G2G, 3G, 4G
Frequency, bands Expand band details Collapse details
GSM MHz bandDual-Band 900/1800Not supported
Primary 2G networkGSM 900/1800CDMA 800/1900
Primary 3G networkNot supportedCDMA2000 1xEV-DO
Primary 4G networkNot supportedLTE 1900
Primary 5G networkNot supportedNot supported
Primary data networkGPRS, EDGECDMA2000 EV-DO Rev A, LTE
Secondary 2G networkNot supportedNot supported
Secondary 3G networkNot supportedNot supported
Secondary 4G networkNot supportedNot supported
Secondary data networkNot supportedNot supported

📷 Camera

ZTE X990 (Single-sim)LG Viper 4G LTE (LS840)
Back camera (main camera)2 megapixels5 megapixels
Main camera resolution1600x1200 pixels2560x1920 pixels
Video recording (primary)QCIF (176x144)Full HD (1920x1080) 24 fps
FlashNot supportedLED flash
Focal aperturefeature not registeredfeature not registered
Focal lengthfeature not registeredfeature not registered
Sensor sizefeature not registeredfeature not registered
Pixel sizefeature not registeredfeature not registered
AutofocusNot supportedAutofocus
Touch focusfeature not registeredNot supported
Image stabilizationfeature not registeredfeature not registered
ZoomOnly digital zoomOnly digital zoom
Face/smile detectionfeature not registeredFace detection
BSI sensorfeature not registeredNot supported
HDRfeature not registeredNot supported
Camera extrasfeature not registeredfeature not registered

📸 Front camera

ZTE X990 (Single-sim)LG Viper 4G LTE (LS840)
Front camera (secondary)Not supported0.3 megapixels
Front camera resolutionNot supported640x480 pixels
Video recording (secondary)Not supportedVGA (640x480)
Front flashNot supportedNot supported
Focal aperturefeature not registeredfeature not registered
Focal lengthfeature not registeredfeature not registered
Sensor sizefeature not registeredfeature not registered
Pixel sizefeature not registeredfeature not registered

🔉 Sound and multimedia

ZTE X990 (Single-sim)LG Viper 4G LTE (LS840)
LoudspeakerSupportedSupported
Active noise cancellationfeature not registeredNot supported
RadioFM (RDS)Not supported
TVNot supportedNot supported
Video formatsMP4, H.264, H.263MP4, H.264, H.263, WMV
Audio formatsMP3, WAV, eAAC+MP3, WAV, WMA, eAAC+

🔌 Connectivity

ZTE X990 (Single-sim)LG Viper 4G LTE (LS840)
USBMicroUSB 2.0MicroUSB 2.0
Audio output3.5mm jack3.5mm jack
TV outputNot supportedNot supported
Bluetooth2.0 + A2DP3.0 + A2DP
WiFiNot supported802.11 b/g/n [wifi4] (2.4GHz)
WiFi Direct, hotspot
DLNAfeature not registeredSupported
GPSNot supportedA-GPS, GeoTagging
NFCNot supportedSupported
Infrared portfeature not registeredfeature not registered

🧭 Sensors

ZTE X990 (Single-sim)LG Viper 4G LTE (LS840)
SensorsNot supportedAccelerometer
Ambient light sensor
Compass
Proximity sensor
Vibrating alertSupportedSupported

🔋 Battery

ZTE X990 (Single-sim)LG Viper 4G LTE (LS840)
Battery typeLi-Ion: lithium-ion (Removable)Li-Ion: lithium-ion (Removable)
BL-44JS
Battery capacity900 mAh1700 mAh
Charger, wattsWired chargingWired charging
Inductive / wireless chargingfeature not registeredfeature not registered
Talk time autonomy8 hours4.8 hours
Standby500 hours (20.8 days)290 hours (12.1 days)

➕ Other features

ZTE X990 (Single-sim)LG Viper 4G LTE (LS840)
Call controlVoice recorderVoice dialing, Voice recorder
MessagingSMS, MMS, E-mailSMS (Swype), MMS, E-mail, Push mail
Hands-free callingSupportedSupported
Video callingNot supportedSupported
RingtonesPolyphonic and customizedPolyphonic and customized
Web browserWAP, HTMLHTML, XHTML, Flash player
AntennaInternal antennaInternal antenna
Qwerty physical keyboardFixed QWERTY keyboardNot supported
Miscellaneous• Colors: Black, White on orange
• Java framework		• Colors: Black
• 4GB microSD included
• Java framework

☢️ Radiation rate

ZTE X990 (Single-sim)LG Viper 4G LTE (LS840)
SAR 1.6W/kg (USA, Mexico, etc.)feature not registeredfeature not registered
SAR 2W/kg (Europe, UK, etc.)feature not registeredfeature not registered
X

We use cookies to provide and improve our services. By using our site, you consent to cookies. See more details: Privacy policy.

OK
×

Share page: