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Samsung Galaxy S Lightray 4G (SCH-R940) vs LG Optimus S (LS670)

Side by side comparison between Samsung Galaxy S Lightray vs LG Optimus S phones, differences, pros, cons and full specifications. What's the better?

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Compare LG Optimus S X Samsung Galaxy S Lightray 4G (SCH-R940) 20Points
Samsung Galaxy S Lightray 4G (SCH-R940)
Specifications Compare Models Pictures
4.3"
AMOLED

480x800

8
MP

1.3mp

512MB
RAM

Single-core

1600
mAh

(Removable)

vs
02Points LG Optimus S (LS670) Compare Samsung Galaxy S Lightray X
LG Optimus S (LS670)
Specifications Compare Models Pictures
3.2"
TFT

320x480

3.1
MP
512MB
RAM

Single-core

1500
mAh

(Removable)

What's the better phone? Samsung Galaxy S Lightray 4G (SCH-R940)

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!

Galaxy S Lightray 4G (SCH-R940)} 20 Advantages Samsung Galaxy S Lightray 4G (SCH-R940) vs Optimus S (LS670)} 2 Advantages LG Optimus S (LS670)
+1GHz 32bit Single-core35%
More powerful processor, you can open your applications faster		vs600MHz 32bit Single-core
+2GB (1.39GB available)9 times
More internal storage for applications and files		vs512MB (140MB available)
+11.7 millimeters (0.46 inches)13%
Thinner		vs13.2 millimeters (0.52 inches)
+Super AMOLED PlusAdvantage
Super AMOLED Plus display is brighter and more vivid		vsTFT LCD
+480x800 pixels150%
Higher resolution screen		vs320x480 pixels
+217 PPI21%
Crisper display of text, images and videos because it has more pixels per inch (ppi)		vs180 PPI
+4.3"34%
Larger screen		vs3.2"
+(back) 8MP154%
Higher resolution main camera		vs(back) 3.1MP
+LED flashAdvantage
The LED flash helps in dark places or in low light		vsNot supported
+(front) 1.3MPAdvantage
A front-camera is best for taking selfies		vsNot supported
+HD (1280x720)2 times
More image quality for recording videos with the primary camera		vsVGA (640x480)
+Android 2.3.7 GingerbreadAdvantage
Android 2.3.7 Gingerbread is newer and safer		vsAndroid 2.3.3 Gingerbread
+4G LTEAdvantage
The 4G LTE network is newer and faster		vs3G CDMA2000 EV-DO Rev A
+(4G LTE) 75 Mbps489 times
Faster for surfing the internet and download files		vs(3G CDMA2000 EV-DO Rev A) 0.153 Mbps
+Ambient light sensorAdvantage
Sensors help you use the device		vsNot supported
+1600 mAh7%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use		vs1500 mAh
+Video callingAdvantage
The video calling allows to make calls with voice and video		vsNot supported
+Micro HDMI Type DAdvantage
The TV-output lets you use your device on TV by cable		vsNot supported
+802.11 b/g/n [wifi4]Advantage
WiFi 802.11 b/g/n [wifi4] is newer and faster		vs802.11 b/g [wifi3]
+3.0 + A2DPAdvantage
Bluetooth 3.0 + A2DP is newer and faster		vs2.1 + A2DP
142 grams (4.97 ounces)vs+130 grams (4.55 ounces)9%
Lighter
Not supportedvs+CompassAdvantage
Sensors help you use the device
16 Common items in both devices
512MB LPDDR2 / 512MB
Until 32GB microSD, microSDHC
16 million
Only digital zoom
Autofocus
Capacitive
Multitouch
+9 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

Galaxy S Lightray 4G (SCH-R940)LG Optimus S (LS670)
Change model  
ModelGalaxy S Lightray 4G (SCH-R940)Optimus S (LS670)
Other model namesMetroPCS Samsung Galaxy S Lightray 4G R940, Samsung StealthSprint LG Optimus S LS670, LG LS670
Country or region availableUSA
USA		USA
USA
BrandSamsungLG
Release date8/3/201211/8/2010
Depth11.7 millimeters (0.46 inches)13.2 millimeters (0.52 inches)
Size (width x height)68 x 130 millimeters (2.68 x 5.12 in)58.9 x 113.5 millimeters (2.32 x 4.47 in)
Weight142 grams (4.97 ounces)130 grams (4.55 ounces)
Build, materialsPlastic body, glass frontfeature not registered
Protection against water and othersNot supportedNot supported

📲 Display

Galaxy S Lightray 4G (SCH-R940)LG Optimus S (LS670)
Display typeSuper AMOLED PlusTFT LCD
Screen size4.3" inches3.2" inches
Screen-to-body ratio~59.5% (screen-to-body ratio)~45.6% (screen-to-body ratio)
Display resolution480x800 pixels320x480 pixels
TouchscreenCapacitive MultitouchCapacitive Multitouch
Pixel density (dot pitch)217 PPI180 PPI
Colors16 million16 million
Scratch-resistant glassNot supportedNot supported
Refresh ratefeature not registeredfeature not registered
Display featuresfeature not registeredfeature not registered

🤖 Operating System

Galaxy S Lightray 4G (SCH-R940)LG Optimus S (LS670)
System versionAndroid 2.3.7 GingerbreadAndroid 2.2.2 Froyo
Firmware updatefeature not registeredAndroid 2.3.3 Gingerbread
User Interfacefeature not registeredfeature not registered

⚙️ Processor

Galaxy S Lightray 4G (SCH-R940)LG Optimus S (LS670)
Chipset32bit: Samsung Exynos 321032bit: Qualcomm Snapdragon S1 MSM7627
CPUSingle-core, 1 processor:
1x 1GHz ARM Cortex-A8 (Single-core)		Single-core, 1 processor:
1x 600MHz ARM1136EJ-S (Single-core)
GPU graphical controllerPowerVR SGX540Qualcomm Adreno 200
Performance (benchmark)feature not registeredfeature not registered

💽 Memory and storage

Galaxy S Lightray 4G (SCH-R940)LG Optimus S (LS670)
RAM memory512MB LPDDR2512MB
Internal storage2GB (1.39GB available)512MB (140MB available)
External storageUntil 32GB microSD, microSDHC
(dedicated slot)		Until 32GB microSD, microSDHC
(dedicated slot)

📶 Mobile networks

Galaxy S Lightray 4G (SCH-R940)LG Optimus S (LS670)
Dual-SIMNot supportedNot supported
SIM card1 slot (Single-SIM)
Standard mini-SIM (2FF)		Not supported
Maximum Download / Upload75/25 Mbps0.153 Mbps
Network technology2G, 3G, 4G2G, 3G
Frequency, bands Expand band details Collapse details
GSM MHz bandNot supportedNot supported
Primary 2G networkCDMA 800/1700/1900CDMA 800/1900
Primary 3G networkCDMA2000 1xEV-DOCDMA2000 1xEV-DO
Primary 4G networkLTE Cat2 (Bands 2, 4)Not supported
Primary 5G networkNot supportedNot supported
Primary data networkCDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, LTECDMA2000 EV-DO Rev A
Secondary 2G networkNot supportedNot supported
Secondary 3G networkNot supportedNot supported
Secondary 4G networkNot supportedNot supported
Secondary data networkNot supportedNot supported

📷 Camera

Galaxy S Lightray 4G (SCH-R940)LG Optimus S (LS670)
Back camera (main camera)8 megapixels3.1 megapixels
Main camera resolution3264x2448 pixels2048x1536 pixels
Video recording (primary)HD (1280x720) 30 fpsVGA (640x480) 15 fps
FlashLED flashNot 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
AutofocusAutofocusAutofocus
Touch focusSupportedfeature not registered
Image stabilizationEIS: Digital stabilizationfeature not registered
ZoomOnly digital zoomOnly digital zoom
Face/smile detectionFace detectionFace detection
BSI sensorNot supportedfeature not registered
HDRNot supportedfeature not registered
Camera extrasfeature not registeredfeature not registered

📸 Front camera

Galaxy S Lightray 4G (SCH-R940)LG Optimus S (LS670)
Front camera (secondary)1.3 megapixelsNot supported
Front camera resolution1280x1024 pixelsNot supported
Video recording (secondary)VGA (640x480)Not supported
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

Galaxy S Lightray 4G (SCH-R940)LG Optimus S (LS670)
LoudspeakerSupportedSupported
Active noise cancellationNot supportedfeature not registered
RadioNot supportedNot supported
TVNot supportedNot supported
Video formatsMP4, H.264, H.263, WMVMP4, DivX, XviD, H.263, H.264, WMV
Audio formatsMP3, WAV, WMA, eAAC+MP3, WAV, WMA, eAAC+

🔌 Connectivity

Galaxy S Lightray 4G (SCH-R940)LG Optimus S (LS670)
USBMicroUSB 2.0MicroUSB 2.0
Audio output3.5mm jack3.5mm jack
TV outputMicro HDMI Type DNot supported
Bluetooth3.0 + A2DP2.1 + A2DP
WiFi802.11 b/g/n [wifi4] (2.4GHz)802.11 b/g [wifi3] (2.4GHz)
DLNANot supportedfeature not registered
GPSA-GPS, GeoTaggingA-GPS, GeoTagging
NFCNot supportedNot supported
Infrared portNot supportedfeature not registered

🧭 Sensors

Galaxy S Lightray 4G (SCH-R940)LG Optimus S (LS670)
SensorsAccelerometer
Ambient light sensor
Proximity sensor		Accelerometer
Compass
Proximity sensor
Vibrating alertSupportedSupported

🔋 Battery

Galaxy S Lightray 4G (SCH-R940)LG Optimus S (LS670)
Battery typeLi-Ion: lithium-ion (Removable)Li-Ion: lithium-ion (Removable)
LGIP-400N
Battery capacity1600 mAh1500 mAh
Charger, wattsWired chargingWired charging
Inductive / wireless chargingfeature not registeredfeature not registered
Talk time autonomy3.5 hours5 hours
Standby200 hours (8.3 days)200 hours (8.3 days)

➕ Other features

Galaxy S Lightray 4G (SCH-R940)LG Optimus S (LS670)
Call controlVoice dialing, Voice recorderVoice dialing, Voice recorder, Voice commands
MessagingSMS (Swype), MMS, E-mail, Push mailSMS (T9), MMS, E-mail, Push mail
Hands-free callingSupportedSupported
Video callingSupportedNot supported
RingtonesPolyphonic and customizedPolyphonic and customized
Web browserHTML, XHTML, Flash playerHTML, XHTML
AntennaInternal antennaInternal antenna
Qwerty physical keyboardNot supportedNot supported
Miscellaneous• Colors: Black
• 16GB microSD included
• Samsung TouchWiz 4.0 UI
• HDMI 1.4
• HAC M4/T4
• WiFi hotspot
Java framework		• Colors: Gray
• 2GB microSD included
• LG 3Way Sync
• HAC (M4/T4)
• WiFi hotspot
Java framework

☢️ Radiation rate

Galaxy S Lightray 4G (SCH-R940)LG Optimus S (LS670)
SAR 1.6W/kg (USA, Mexico, etc.)0.95W/kg (head), 0.82W/kg (body)feature not registered
SAR 2W/kg (Europe, UK, etc.)feature not registeredfeature not registered
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