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LG Q31 (Q310N) vs Samsung Galaxy Z Flip 4 (SM-F721B 128GB)

Side by side comparison between LG Q31 vs Samsung Galaxy Z Flip 4 phones, differences, pros, cons and full specifications. What's the better?

,
5.7"
IPS

720x1520

13
MP

5mp

3GB
RAM

Octa-core

3000
mAh

(Non removable)

vs
34Points Samsung Galaxy Z Flip 4 (SM-F721B 128GB) Compare LG Q31 X
6.7"
AMOLED

1080x2640

12.2
MP

10mp

8GB
RAM

Octa-core

3700
mAh

(Non removable)

What's the better phone? Samsung Galaxy Z Flip 4 (SM-F721B 128GB)

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!

Q31 (Q310N)} 5 Advantages LG Q31 (Q310N) vs Galaxy Z Flip 4 (SM-F721B 128GB)} 34 Advantages Samsung Galaxy Z Flip 4 (SM-F721B 128GB)
+Until 512GB microSD, microSDXCAdvantage
More external storage for files using memory cards
vsNot supported
+146 grams (5.11 ounces)28%
Lighter
vs187 grams (6.55 ounces)
+3.5mm jackAdvantage
Headsets with 3.5mm Jack size are more common and easy to find in stores
vsType-C reversible connector
+Panda King GlassAdvantage
Protection against scratches on the screen lets you carry your phone with your keys
vsNot supported
+MIL-STD-810G military certifiedAdvantage
Protection against water allows you talk to your friends in the rain, for example
vsIPX8 certified
2GHz 64bit Octa-core (12nm)vs+3.19GHz 64bit Octa-core (4nm)67%
More powerful processor, you can open your applications faster
3GB LPDDR3vs+8GB LPDDR5167%
More RAM memory. Typically more responsive and better for multitasking.
32GB (17GB available)vs+128GB (99GB available)5 times
More internal storage for applications and files
eMMC 5.1vs+UFS 3.1Advantage
Fastest write and read storage.
8.6 millimeters (0.34 inches)vs+6.9 millimeters (0.27 inches)25%
Thinner
Plastic body, glass frontvs+Aluminum frame, flexible plastic screen, glass backAdvantage
More resistant material
TFT IPS LCDvs+Dynamic AMOLEDAdvantage
Dynamic AMOLED display is brighter and more vivid
Not supportedvs+HDR10+Advantage
The HDR10+ display provides vibrant colors and more details
60Hzvs+120Hz100%
The display reproduces more frames per second because the frequency (Hertz) is higher, improves fluidity and tires your eyes less.
720x1520 pixelsvs+1080x2640 pixels161%
Higher resolution screen
295 PPIvs+426 PPI44%
Crisper display of text, images and videos because it has more pixels per inch (ppi)
5.7"vs+6.7"18%
Larger screen
(dual camera) 13MP + 5MPvs+(dual camera) 12.2MP + 12MP36%
Higher resolution main camera
EIS: Digital stabilizationvs+OIS: Optical stabilizationAdvantage
Image stabilization prevents blurry photos and helps in recording motion video
1/3.1" inchesvs+1/1.76" inches76%
The larger sensor camera lets you take photos with better depth.
(front) 5MPvs+(front) 10MP104%
Higher resolution secondary camera to take pictures and selfies
Full HD (1920x1080)vs+4K UHD (3840x2160)3 times
More image quality for recording videos with the primary camera
(front) Full HD (1920x1080)vs+(front) 4K UHD (3840x2160)3 times
More image quality for recording videos with the secondary camera
Android 10vs+Android 14Advantage
Android 14 is newer and safer
4G LTE-Avs+5G Sub6Advantage
The 5G Sub6 network is newer and faster
(4G LTE-A) 300 Mbpsvs+(5G Sub6) 3000 Mbps9 times
Faster for surfing the internet and download files
Not supportedvs+Ambient light sensorAdvantage
Sensors help you use the device
Not supportedvs+BarometerAdvantage
Sensors help you use the device
Not supportedvs+CompassAdvantage
Sensors help you use the device
Not supportedvs+Face unlockAdvantage
Sensors help you use the device
Not supportedvs+GyroscopeAdvantage
Sensors help you use the device
Not supportedvs+Proximity sensorAdvantage
Sensors help you use the device
3000 mAhvs+3700 mAh23%
Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use
Not supportedvs+Qi Wireless charging (Qi/WPC)Advantage
Wireless charging is another way to charge the battery.
1 slot (Single-SIM)
(dedicated slot)
vs+1 slot (Single-SIM) + e-SIM (Eletronic)Advantage
You can have more mobile carriers/operators on the same device.
802.11 b/g/n [wifi4]vs+802.11 a/b/g/n/ac/ax [wifi6]Advantage
WiFi 802.11 a/b/g/n/ac/ax [wifi6] is newer and faster
Not supportedvs+DLNAAdvantage
With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device.
5.0 + A2DP/LEvs+5.2 + A2DP/LEAdvantage
Bluetooth 5.2 + A2DP/LE is newer and faster
MicroUSB 2.0vs+Type-CAdvantage
Reversible connector, you can stick in a USB-C cable any which way; either side is up.

15 Common items in both devices
16 million
LED flash
Only digital zoom
PDAF: phase detection autofocus
HDR photo on both cameras / HDR photo/video on both cameras
f/1.8 (aperture)
Capacitive
+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

LG Q31 (Q310N)Galaxy Z Flip 4 (SM-F721B 128GB)
Change model 
ModelQ31 (Q310N)Galaxy Z Flip 4 (SM-F721B 128GB)
Other model namesLG Q31 (SKT, KT, LG U+), LM-Q310N, LMQ310NGalaxy Z Flip4 5G (SM-F721B)
Country or region availableSouth Korea
South Korea
(Global, International)
(Global, International)
BrandLGSamsung
Release date8/21/20208/25/2022, Announced: 8/10/2022
Depth8.6 millimeters (0.34 inches)6.9 millimeters (0.27 inches)
Size (width x height)71.12 x 147.83 millimeters (2.8 x 5.82 in)71.9 x 165.2 millimeters (2.83 x 6.5 in)
Weight146 grams (5.11 ounces)187 grams (6.55 ounces)
Build, materialsPlastic body, glass frontAluminum frame, flexible plastic screen, glass back
Back: Gorilla Glass Victus+
Folded: 15.9 x 71.9 x 84.9 mm
Protection against water and othersMIL-STD-810G military certified: salt, dust, humidity, rain, vibration, solar radiation, transport and thermal shock resistant.IPX8 certified: water resistant up to 1.5 meters and 30min

📲 Display

LG Q31 (Q310N)Galaxy Z Flip 4 (SM-F721B 128GB)
Display typeTFT IPS LCDDynamic AMOLED
Screen size5.7" inches6.7" inches
Screen-to-body ratio~77.1% (screen-to-body ratio)~85.4% (screen-to-body ratio)
Display resolution720x1520 pixels (19:9)1080x2640 pixels
TouchscreenCapacitive MultitouchCapacitive Multitouch
Pixel density (dot pitch)295 PPI426 PPI
Colors16 million16 million
Scratch-resistant glassPanda King GlassNot supported
Refresh rate60Hz120Hz
Display featuresNot supported1200nits[peak]
HDR10+
Always-On Display
Extra display: Super AMOLED 1.9" (260x512), Gorilla Glass Victus+

🤖 Operating System

LG Q31 (Q310N)Galaxy Z Flip 4 (SM-F721B 128GB)
System versionAndroid 10Android 12
Firmware updatefeature not registeredAndroid 14
User Interfacefeature not registeredOne UI 4.1 / 5.1 / 6.0

⚙️ Processor

LG Q31 (Q310N)Galaxy Z Flip 4 (SM-F721B 128GB)
Chipset64bit: MediaTek Helio P22 (MT6762) (12nm)64bit: Qualcomm Snapdragon 8+ Gen 1 (SM8475) (4nm)
CPUOcta-core, 2 processors:
4x 2GHz ARM Cortex-A53 (Quad-core)
4x 1.5GHz ARM Cortex-A53 (Quad-core)
Octa-core, 3 processors:
1x 3.19GHz ARM Cortex-X2 (Single-core)
3x 2.75GHz ARM Cortex-A710 (Triple-core)
4x 2GHz ARM Cortex-A510 (Quad-core)
GPU graphical controllerPowerVR GE8320 (650MHz)Qualcomm Adreno 730 (818MHz)
Performance (benchmark)feature not registeredAnTuTu: 685765 (v8), 800001 (v9)
Geekbench: 3913 (v5.1)
GFXBench: 74fps (ES 3.1 onscreen)

💽 Memory and storage

LG Q31 (Q310N)Galaxy Z Flip 4 (SM-F721B 128GB)
RAM memory3GB LPDDR38GB LPDDR5
Internal storage32GB (17GB available)
eMMC 5.1
128GB (99GB available)
UFS 3.1
External storageUntil 512GB microSD, microSDXC
(dedicated slot)
Not supported

📶 Mobile networks

LG Q31 (Q310N)Galaxy Z Flip 4 (SM-F721B 128GB)
Dual-SIMNot supportedDual-SIM Standby - Call active on one sim card
SIM card1 slot (Single-SIM)
nano-SIM (4FF)
1 slot (Single-SIM)
nano-SIM (4FF) + e-SIM
Maximum Download / Upload300/50 Mbps3000/1024 Mbps
Network technology2G, 3G, 4G2G, 3G, 4G, 5G
Frequency, bands Expand band details Collapse details
GSM MHz bandQuad-Band 850/900/1800/1900Quad-Band 850/900/1800/1900
Primary 2G networkGSM 850/900/1800/1900GSM 850/900/1800/1900
Primary 3G networkUMTS 800/850/900/1900/2100UMTS 850/900/1700/1900/2100
Primary 4G networkLTE Cat6 (1, 3, 7, 8, 20, 28)
TD-LTE (38)
LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 66)
TD-LTE (38, 39, 40, 41)
VoLTE
Primary 5G networkNot supportedSA/NSA/Sub6 (1, 2, 3, 5, 7, 8, 12, 20, 25, 28, 38, 40, 41, 66, 77, 78)
Primary data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-AGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6
Secondary 2G networkNot supportedGSM 850/900/1800/1900
Secondary 3G networkNot supportedUMTS 850/900/1700/1900/2100
Secondary 4G networkNot supportedLTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 66)
TD-LTE (38, 39, 40, 41)
VoLTE
Secondary data networkNot supportedGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6

📷 Camera

LG Q31 (Q310N)Galaxy Z Flip 4 (SM-F721B 128GB)
Back camera (main camera)(dual camera)
13 megapixels
5MP ultrawide f/2.2120°1/5.0"1.12µm
(dual camera)
12.2 megapixels
12MP ultrawide f/2.2123°1.12µm
Main camera resolution4128x3096 pixels4032x3024 pixels
Video recording (primary)Full HD (1920x1080) 30 fps4K UHD (3840x2160) 60 fps
FlashLED flashLED flash
Focal aperturef/1.8 (aperture)f/1.8 (aperture)
Focal length27mm lens24mm lens
Sensor size1/3.1" inches1/1.76" inches
Pixel size1.12µm pixel1.8µm pixel
AutofocusPDAF: phase detection autofocusPDAF: phase detection autofocus
Touch focusSupportedSupported
Image stabilizationEIS: Digital stabilizationOIS: Optical stabilization
ZoomOnly digital zoomOnly digital zoom
Face/smile detectionFace detection, Smile detectionFace detection, Smile detection
BSI sensorNot supportedSupported
HDRHDR photo on both camerasHDR photo/video on both cameras
Camera extrasfeature not registered4K@30/60fps
1080p@30/60/240fps
720p@960fps
HDR10+
Slow motion

📸 Front camera

LG Q31 (Q310N)Galaxy Z Flip 4 (SM-F721B 128GB)
Front camera (secondary)5 megapixels10 megapixels
Front camera resolution2560x1920 pixels3872x2592 pixels
Video recording (secondary)Full HD (1920x1080)4K UHD (3840x2160)
Front flashNot supportedNot supported
Focal aperturef/2.2 (aperture)f/2.4 (aperture)
Focal length24mm lens26mm lens
Sensor size1/5" inches1/3" inches
Pixel size1.12µm pixel1.22µm pixel

🔉 Sound and multimedia

LG Q31 (Q310N)Galaxy Z Flip 4 (SM-F721B 128GB)
LoudspeakerSupportedStereo sound
32-bit/384kHz
Dolby Atmos
Tuned by AKG
Active noise cancellation2 microphones or more2 microphones or more
RadioNot supportedNot supported
TVNot supportedNot supported
Video formatsMP4, H.265, H.264, H.263, XviD, MKVMP4, H.265, H.264, H.263, XviD, MKV
Audio formatsMP3, WAV, WMA, eAAC+, FLACMP3, WAV, WMA, eAAC+, FLAC

🔌 Connectivity

LG Q31 (Q310N)Galaxy Z Flip 4 (SM-F721B 128GB)
USBMicroUSB 2.0USB 2.0 Type-C, USB OTG On-The-Go
Audio output3.5mm jackType-C reversible connector
TV outputNot supportedUSB Type-C (reversible)
Bluetooth5.0 + A2DP/LE5.2 + A2DP/LE
WiFi802.11 b/g/n [wifi4] (2.4GHz)
WiFi Direct, hotspot
802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO
WiFi Direct, hotspot
DLNANot supportedSupported
GPSA-GPS, GeoTaggingA-GPS, GeoTagging, GLONASS, GALILEO, BeiDou
NFCSupportedSupported
Infrared portNot supportedNot supported

🧭 Sensors

LG Q31 (Q310N)Galaxy Z Flip 4 (SM-F721B 128GB)
SensorsAccelerometer
Fingerprint sensor (rear-mounted)
Accelerometer
Ambient light sensor
Barometer
Compass
Face unlock
Fingerprint sensor (side-mounted)
Gyroscope
Hall effect
Proximity sensor
Vibrating alertSupportedSupported

🔋 Battery

LG Q31 (Q310N)Galaxy Z Flip 4 (SM-F721B 128GB)
Battery typeLi-Ion: lithium-ion (Non removable)LiPo: li-ion polymer (Non removable)
Battery capacity3000 mAh3700 mAh
Charger, wattsWired charging25W Wired fast charging
Reverse charging by cable
USB Power Delivery 3.0
Inductive / wireless chargingNot supported15W Qi Wireless charging (Qi/WPC)
4.5W Reverse wireless charging
Talk time autonomy11 hours34 hours (1.4 days)
Standby528 hours (22 days)feature not registered

➕ Other features

LG Q31 (Q310N)Galaxy Z Flip 4 (SM-F721B 128GB)
Call controlVoice dialing, Voice recorder, Voice commandsVoice 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, HTML5HTML, XHTML, HTML5
AntennaInternal antennaInternal antenna
Qwerty physical keyboardNot supportedNot supported
Miscellaneous• Colors: Silver
• LG UX 9.1
• Colors: Graphite, White, Bora Purple, Pink Gold, Blue, Yellow, Navy, Khaki, Red
• Samsung Pay (Visa, MasterCard)

☢️ Radiation rate

LG Q31 (Q310N)Galaxy Z Flip 4 (SM-F721B 128GB)
SAR 1.6W/kg (USA, Mexico, etc.)0.596W/kg (head), 0.914W/kg (body)1.01W/kg (head), 1.01W/kg (body)
SAR 2W/kg (Europe, UK, etc.)feature not registered1.151W/kg (head), 1.198W/kg (body)
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