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Samsung Stratosphere (SCH-i405) vs LG K31 (K300QM)

Side by side comparison between Samsung Stratosphere vs LG K31 phones, differences, pros, cons and full specifications. What's the better?

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Compare LG K31 X Samsung Stratosphere (SCH-i405) 06Points
4"
AMOLED

480x800

5
MP

1.3mp

512MB
RAM

Single-core

1800
mAh

(Removable)

vs
5.7"
IPS

720x1520

13
MP

5mp

2GB
RAM

Octa-core

3000
mAh

(Non removable)

What's the better phone? LG K31 (K300QM)

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!

Stratosphere (SCH-i405)} 6 Advantages Samsung Stratosphere (SCH-i405) vs K31 (K300QM)} 22 Advantages LG K31 (K300QM)
+Super AMOLEDAdvantage
Super AMOLED display is brighter and more vivid
vsTFT IPS LCD
+Ambient light sensorAdvantage
Sensors help you use the device
vsNot supported
+CompassAdvantage
Sensors help you use the device
vsNot supported
+Proximity sensorAdvantage
Sensors help you use the device
vsNot supported
+Li-Ion: lithium-ion (Removable)Advantage
Removable battery can be replaced easily
vsLi-Ion: lithium-ion (Non removable)
+DLNAAdvantage
With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.
vsNot supported
1GHz 32bit Single-corevs+2GHz 64bit Octa-core (12nm)3 times
More powerful processor, you can open your applications faster
512MBvs+2GB LPDDR33 times
More RAM memory. Typically more responsive and better for multitasking.
4GB (2GB available)vs+32GB (17GB available)8 times
More internal storage for applications and files
Until 32GB microSD, microSDHCvs+Until 512GB microSD, microSDXC15 times
More external storage for files using memory cards
164 grams (5.74 ounces)vs+146 grams (5.11 ounces)12%
Lighter
13.97 millimeters (0.55 inches)vs+8.6 millimeters (0.34 inches)62%
Thinner
480x800 pixelsvs+720x1520 pixels185%
Higher resolution screen
233 PPIvs+295 PPI27%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
4"vs+5.7"43%
Larger screen
(back) 5MPvs+(dual camera) 13MP + 5MP3 times
Higher resolution main camera
Not supportedvs+HDR photo on both camerasAdvantage
The HDR technology produced photos with more detail in dark areas
(front) 1.3MPvs+(front) 5MP3 times
Higher resolution secondary camera to take pictures and selfies
VGA (720x480)vs+Full HD (1920x1080)5 times
More image quality for recording videos with the primary camera
Android 2.3.6 Gingerbreadvs+Android 10Advantage
Android 10 is newer and safer
(4G LTE) 100 Mbpsvs+(4G LTE) 150 Mbps50%
Faster for surfing the internet and download files
Not supportedvs+Fingerprint sensor (rear-mounted)Advantage
Sensors help you use the device
1800 mAhvs+3000 mAh67%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
Not supportedvs+Active noise cancellationAdvantage
More noise-canceling microphones allow for better quality in calls and audio for recorded videos
3.0 + A2DPvs+5.0 + A2DP/LEAdvantage
Bluetooth 5.0 + A2DP/LE is newer and faster
HTML, XHTML, Flash playervs+HTML, XHTML, HTML5Advantage
Better sites viewing on the internet
Not supportedvs+Panda King GlassAdvantage
Protection against scratches on the screen lets you carry your phone with your keys
Not supportedvs+MIL-STD-810G military certifiedAdvantage
Protection against water allows you talk to your friends in the rain, for example

15 Common items in both devices
16 million
LED flash
Only digital zoom
Autofocus / PDAF: phase detection autofocus
4G LTE
Capacitive
Multitouch
+8 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

Samsung Stratosphere (SCH-i405)LG K31 (K300QM)
Change model 
ModelStratosphere (SCH-i405)K31 (K300QM)
Other model namesVerizon Stratosphere 4G SCH-i405, Samsung AegisLG K31 (Unlocked), LMK300QMAUSASV, LM-K300Q
Country or region availableUSA
USA
USA
USA
BrandSamsungLG
Release date10/13/20118/21/2020
Depth13.97 millimeters (0.55 inches)8.6 millimeters (0.34 inches)
Size (width x height)64.52 x 125.98 millimeters (2.54 x 4.96 in)71.12 x 147.83 millimeters (2.8 x 5.82 in)
Weight164 grams (5.74 ounces)146 grams (5.11 ounces)
Build, materialsfeature not registeredPlastic body, glass front
Protection against water and othersNot supportedMIL-STD-810G military certified: salt, dust, humidity, rain, vibration, solar radiation, transport and thermal shock resistant.

📲 Display

Samsung Stratosphere (SCH-i405)LG K31 (K300QM)
Display typeSuper AMOLEDTFT IPS LCD
Screen size4" inches5.7" inches
Screen-to-body ratio~56% (screen-to-body ratio)~77.1% (screen-to-body ratio)
Display resolution480x800 pixels720x1520 pixels (19:9)
TouchscreenCapacitive MultitouchCapacitive Multitouch
Pixel density (dot pitch)233 PPI295 PPI
Colors16 million16 million
Scratch-resistant glassNot supportedPanda King Glass
Refresh ratefeature not registered60Hz
Display featuresfeature not registeredNot supported

🤖 Operating System

Samsung Stratosphere (SCH-i405)LG K31 (K300QM)
System versionAndroid 2.3.4 GingerbreadAndroid 10
Firmware updateAndroid 2.3.6 Gingerbreadfeature not registered
User Interfacefeature not registeredfeature not registered

⚙️ Processor

Samsung Stratosphere (SCH-i405)LG K31 (K300QM)
Chipset32bit: Samsung S5PC111 Exynos 311064bit: MediaTek Helio P22 (MT6762) (12nm)
CPUSingle-core, 1 processor:
1x 1GHz ARM Cortex-A8 (Single-core)
Octa-core, 2 processors:
4x 2GHz ARM Cortex-A53 (Quad-core)
4x 1.5GHz ARM Cortex-A53 (Quad-core)
GPU graphical controllerfeature not registeredPowerVR GE8320 (650MHz)
Performance (benchmark)feature not registeredfeature not registered

💽 Memory and storage

Samsung Stratosphere (SCH-i405)LG K31 (K300QM)
RAM memory512MB2GB LPDDR3
Internal storage4GB (2GB available)32GB (17GB available)
eMMC 5.1
External storageUntil 32GB microSD, microSDHC
(dedicated slot)
Until 512GB microSD, microSDXC
(dedicated slot)

📶 Mobile networks

Samsung Stratosphere (SCH-i405)LG K31 (K300QM)
Dual-SIMNot supportedNot supported
SIM card1 slot (Single-SIM)
Standard mini-SIM (2FF)
1 slot (Single-SIM)
nano-SIM (4FF)
Maximum Download / Upload100/50 Mbps150/50 Mbps
Network technology2G, 3G, 4G2G, 3G, 4G
Frequency, bands Expand band details Collapse details
GSM MHz bandNot supportedQuad-Band 850/900/1800/1900
Primary 2G networkCDMA 800/1900CDMA 800/1900, GSM 850/900/1800/1900
Primary 3G networkCDMA2000 1xEV-DOCDMA2000 1xEV-DO
UMTS 850/900/1700/1900/2100
Primary 4G networkLTE Cat3 700LTE Cat4 (2, 4, 5, 12, 13, 25, 26, 66, 71)
TD-LTE (41)
Primary 5G networkNot supportedNot supported
Primary data networkCDMA2000 EV-DO Rev A, LTEGPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE
Secondary 2G networkNot supportedNot supported
Secondary 3G networkNot supportedNot supported
Secondary 4G networkNot supportedNot supported
Secondary data networkNot supportedNot supported

📷 Camera

Samsung Stratosphere (SCH-i405)LG K31 (K300QM)
Back camera (main camera)5 megapixels(dual camera)
13 megapixels
5MP ultrawide f/2.2120°1/5.0"1.12µm
Main camera resolution2592x1944 pixels4128x3096 pixels
Video recording (primary)VGA (720x480) 30 fpsFull HD (1920x1080) 30 fps
FlashLED flashLED flash
Focal aperturefeature not registeredf/1.8 (aperture)
Focal lengthfeature not registered27mm (lens)
Sensor sizefeature not registered1/3.1" inches
Pixel sizefeature not registered1.12µm pixel
AutofocusAutofocusPDAF: phase detection autofocus
Touch focusSupportedSupported
Image stabilizationfeature not registeredEIS: Digital stabilization
ZoomOnly digital zoomOnly digital zoom
Face/smile detectionFace detectionFace detection, Smile detection
BSI sensorNot supportedNot supported
HDRNot supportedHDR photo on both cameras
Camera extrasfeature not registeredfeature not registered

📸 Front camera

Samsung Stratosphere (SCH-i405)LG K31 (K300QM)
Front camera (secondary)1.3 megapixels5 megapixels
Front camera resolution1280x1024 pixels2560x1920 pixels
Video recording (secondary)Not supportedFull HD (1920x1080)
Front flashNot supportedNot supported
Focal aperturefeature not registeredf/2.2 (aperture)
Focal lengthfeature not registered24mm (lens)
Sensor sizefeature not registered1/5" inches
Pixel sizefeature not registered1.12µm pixel

🔉 Sound and multimedia

Samsung Stratosphere (SCH-i405)LG K31 (K300QM)
LoudspeakerSupportedSupported
Active noise cancellationNot supported2 microphones or more
RadioNot supportedNot supported
TVNot supportedNot supported
Video formatsMP4, DivX, XviD, H.264, H.263MP4, H.265, H.264, H.263, XviD, MKV
Audio formatsMP3, WAV, WMA, eAAC+MP3, WAV, WMA, eAAC+, FLAC

🔌 Connectivity

Samsung Stratosphere (SCH-i405)LG K31 (K300QM)
USBMicroUSB 2.0MicroUSB 2.0
Audio output3.5mm jack3.5mm jack
TV outputNot supportedNot supported
Bluetooth3.0 + A2DP5.0 + A2DP/LE
WiFi802.11 a/b/g/n [wifi4] (2.4GHz, 5GHz)802.11 b/g/n [wifi4] (2.4GHz)
WiFi Direct, hotspot
DLNASupportedNot supported
GPSA-GPS, GeoTaggingA-GPS, GeoTagging
NFCNot supportedNot supported
Infrared portNot supportedNot supported

🧭 Sensors

Samsung Stratosphere (SCH-i405)LG K31 (K300QM)
SensorsAccelerometer
Ambient light sensor
Compass
Proximity sensor
Accelerometer
Fingerprint sensor (rear-mounted)
Vibrating alertSupportedSupported

🔋 Battery

Samsung Stratosphere (SCH-i405)LG K31 (K300QM)
Battery typeLi-Ion: lithium-ion (Removable)Li-Ion: lithium-ion (Non removable)
Battery capacity1800 mAh3000 mAh
Charger, wattsWired chargingWired charging
Inductive / wireless chargingfeature not registeredNot supported
Talk time autonomy8 hours11 hours
Standby212 hours (8.8 days)528 hours (22 days)

➕ Other features

Samsung Stratosphere (SCH-i405)LG K31 (K300QM)
Call controlVoice dialing, Voice recorderVoice dialing, Voice recorder, Voice commands
MessagingSMS (T9), MMS, E-mail, Push mailSMS (T9), MMS, E-mail, Push mail
Hands-free callingSupportedSupported
Video callingSupportedSupported
RingtonesPolyphonic and customizedPolyphonic and customized
Web browserHTML, XHTML, Flash playerHTML, XHTML, HTML5
AntennaInternal antennaInternal antenna
Qwerty physical keyboardRetractable QWERTY keyboardNot supported
Miscellaneous• Colors: Noble Black
• 4GB microSD included
• Samsung TouchWiz 4.0 UI
• HAC M4/T4
• WiFi hotspot
• Java framework
• Colors: Silver
• LG UX 9.1

☢️ Radiation rate

Samsung Stratosphere (SCH-i405)LG K31 (K300QM)
SAR 1.6W/kg (USA, Mexico, etc.)feature not registered0.61W/kg (head), 1.13W/kg (body)
SAR 2W/kg (Europe, UK, etc.)feature not registeredfeature not registered
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