LG G Flex2 vs Samsung Galaxy M31

Compare recorded specifications, size and practical differences.

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Key differences

Calculated from recorded specifications using minimum difference thresholds. These are differences, not an overall ranking. For three phones, numeric highlights compare the two extremes.

  • Weight

    G Flex2: 39 g lighter

    G Flex2:
    152 g
    Galaxy M31:
    191 g
  • Screen diagonal

    G Flex2: 0.9 in smaller diagonal

    G Flex2:
    5.5 in
    Galaxy M31:
    6.4 in
  • Chipset

    G Flex2:
    Qualcomm MSM8994 Snapdragon 810 (20 nm)
    Galaxy M31:
    Exynos 9611 (10nm)
  • Rear camera layout

    G Flex2:
    Single
    Galaxy M31:
    Triple
  • Depth

    Galaxy M31: 0.5 mm thinner

    G Flex2:
    9.4 mm
    Galaxy M31:
    8.9 mm
  • Height

    G Flex2: 10.1 mm shorter

    G Flex2:
    149.1 mm
    Galaxy M31:
    159.2 mm

Physical size

Relative size, not calibrated actual size. Front and side outlines share one scale and a bottom baseline. Generic outlines use recorded body dimensions, excluding camera bumps.

  1. 1. G Flex2

    Height:
    149.1 mm
    Width:
    75.3 mm
    Depth:
    9.4 mm +0.5 mm versus Galaxy M31
  2. 2. Galaxy M31

    Height:
    159.2 mm +10.1 mm versus G Flex2
    Width:
    75.1 mm
    Depth:
    8.9 mm

Weight

Bars start at zero and share a scale within this chart.

  1. 1. G Flex2

    152 g

  2. 2. Galaxy M31

    191 g

    +39 g versus G Flex2

Screen size

Approximate rectangular screens calculated from recorded diagonal and aspect ratio at one relative scale. Rounded corners and cutouts are not subtracted. These are not phone outlines or calibrated actual sizes.

  1. 1. G Flex2

    Screen diagonal:
    5.5 in
    Aspect ratio (height:width):
    16:9
    Approximate rectangular screen area:
    83.4 cm²
  2. 2. Galaxy M31

    Screen diagonal:
    6.4 in
    Aspect ratio (height:width):
    19.5:9
    Approximate rectangular screen area:
    100.5 cm²

Galaxy M31 has approximately 20.6% more rectangular screen area than G Flex2.

Memory variants

Each row compares the same storage capacity. Cells show recorded RAM alternatives, not combined maxima. Not recorded does not mean unavailable in every market.

Recorded RAM for G Flex2, Galaxy M31, compared at the same storage capacity.
StorageG Flex2Galaxy M31
64 GB Unknown 6 GB RAM
128 GB Unknown 6 GB RAM
G Flex2: Original memory entry

16 GB · 2 GB RAM/ 32 GB · 3 GB RAM

Practical features

Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

1. G Flex2

NFC:
Yes
Headphone jack:
Yes
Memory card support:
See details microSD · up to 256 GB (dedicated slot)

2. Galaxy M31

NFC:
See details Yes (market/region dependent)
Headphone jack:
Yes
Memory card support:
See details microSDXC (dedicated slot)

Battery capacity

Capacity is not battery life. No endurance test is implied.

Recorded battery capacity

Bars start at zero and share a scale within this chart.

  1. 1. G Flex2

    3000 mAh

  2. 2. Galaxy M31

    6000 mAh

    +3000 mAh versus G Flex2

Specifications

Open a section for more detail. On narrow screens, swipe sideways or use Left/Right arrow keys while the table is focused. Unknown means missing data, not No. Recorded zero values are shown as recorded.

1. G Flex22. Galaxy M31

Everyday essentials
Everyday essentials — specifications for G Flex2, Galaxy M31.
SpecificationG Flex2Galaxy M31
Dimensions (HxWxD)
  • 149.1 Х 75.3 Х 9.4 mm
  • 159.2 Х 75.1 Х 8.9 mm
Weight
  • 152 g
  • 191 g
Technology
  • Curved P-OLED
  • Super AMOLED
Screen size
  • 5.5" inch
  • 6.4" inch
Screen resolution
  • 1080 x 1920 px
  • 1080 x 2340 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 16 GB
  • 2 GB RAM/ 32 GB
  • 3 GB RAM
  • 64GB 6GB RAM
  • 128GB 6GB RAM
Memory card support
  • microSD
  • up to 256 GB (dedicated slot)
  • microSDXC (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 3000 mAh
  • Non-removable Li-Po
  • 6000 mAh
  • Non-removable Li-Po
Operating system OS
  • Android 5.0.1 (Lollipop)
  • upgradable to 6.0.1 (Marshmallow)
  • Android 10.0; One UI 2.0
Chipset
  • Qualcomm MSM8994 Snapdragon 810 (20 nm)
  • Exynos 9611 (10nm)
NFC
  • Yes
  • Yes (market/region dependent)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for G Flex2, Galaxy M31.
SpecificationG Flex2Galaxy M31
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
  • 16M
Screen area
  • 82.6 cm2
  • 100.5 cm2
Screen format
  • 16:9 (height:width)
  • 19.5:9 (height:width)
Screen to body ratio
  • 73.5%
  • 84.1%
PPI /points per inch/
  • 403 PPI
  • 403 PPI
Screen protection
  • Corning Gorilla Glass 3
  • Corning Gorilla Glass 3
Camera and Video
Camera and Video — specifications for G Flex2, Galaxy M31.
SpecificationG Flex2Galaxy M31
Rear camera, main
  • 13 MP
  • Single
  • 64 MP
  • Triple
Camera specs
  • 13 MP
  • f/2.4
  • OIS
  • laser AF
  • 64 MP
  • f/1.8
  • 26mm (wide)
  • 1/1.72"
  • 0.8µm
  • PDAF -8 MP
  • f/2.2
  • 12mm (ultrawide)
  • 1/4.0"
  • 1.12µm -5 MP
  • f/2.4
  • 25mm (macro)
  • 1/5.0"
  • (depth)
Functions
  • Dual-LED flash
  • panorama
  • HDR
  • HDR
Video
  • 1080p@30fps
  • 2160p@30fps
  • 1080p@30fps
Front camera, selfie
  • 2.1 MP
  • Single
  • 32 MP
  • Single
Specifications
  • 2.1 MP
  • 32 MP
  • f/2.0
  • 26mm (wide)
  • 1/2.8''
  • 0.8µm
Performance

Scores marked * are historical catalogue entries. Test conditions are unspecified; no new testing is implied.

Performance — specifications for G Flex2, Galaxy M31.
SpecificationG Flex2Galaxy M31
Processor CPU
  • Octa-core (4x1.5 GHz Cortex-A53 & 4x2.0 GHz Cortex-A57)
  • Octa-core (4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53)
Graphics processor GPU
  • Adreno 430
  • Mali-G72 MP3
Antutu 7 score *
  • 54177
Unknown
GeekBench 4 Single Core *
  • 1134
Unknown
GeekBench 4 Multi-Core *
  • 3472
Unknown
Antutu 8 score * Unknown
  • 194554
General specs
General specs — specifications for G Flex2, Galaxy M31.
SpecificationG Flex2Galaxy M31
Release date
  • 2015
  • January
  • 2020
  • February 25
Colors
  • Platinum Silver
  • Flamenco Red
  • Ocean Blue
  • Space Black
  • Red
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 270 EUR
  • 200 EUR
Battery life
  • Stand by time- Up to 520 h (2G) / Up to 450 h (3G) Talking time- Up to 18 h (2G) / Up to 20 h (3G)
Unknown
Body build
  • Curved body and display
  • Glass front (Gorilla Glass 3)
  • plastic back
  • plastic frame
Communication and Connectivity
Communication and Connectivity — specifications for G Flex2, Galaxy M31.
SpecificationG Flex2Galaxy M31
SIM card
  • Micro-SIM
  • Dual SIM (Nano-SIM
  • dual stand-by)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 CDMA 800 / 1900 - US995 (U.S. Cellular) -3G - HSDPA 850 / 900 / 1900 / 2100 CDMA2000 1xEV-DO - US995 (U.S. Cellular) -4G - LTE band 1(2100)
  • 3(1800)
  • 7(2600)
  • 8(900)
  • 20(800) - H955 LTE band 2(1900)
  • 4(1700/2100)
  • 12(700)
  • 25(1900)
  • 26(850)
  • 41(2500) - LS996 (Sprint) LTE band 1(2100)
  • 2(1900)
  • 5(850)
  • 17(700) - H950 (AT&T) LTE - US995 (U.S. Cellular)
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 -3G - HSDPA 850 / 900 / 1900 / 2100 -4G - LTE (unspecified)
Speed
  • HSPA 42.2/21.1 Mbps
  • LTE-A Cat6 300/50 MbpsLTE-A
  • EV-DO Rev.A 3.1 Mbps - US995 (U.S. Cellular)
  • HSPA
  • LTE-A
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • DLNA
  • hotspot
  • Wi-Fi 802.11 a/b/g/n/ac
  • dual-band
  • Wi-Fi Direct
  • hotspot
GPS
  • Yes
  • with A-GPS
  • GLONASS
  • Yes
  • with A-GPS
  • GLONASS
  • GALILEO
  • BDS
USB
  • microUSB 2.0 (SlimPort)
  • USB Host
  • 2.0
  • Type-C 1.0 reversible connector
Bluetooth
  • 4.1
  • A2DP
  • LE
  • aptX
  • 5.0
  • A2DP
  • LE
Harmful irradiation
  • SAR - 1.10 W/kg (head) 1.07 W/kg (body) SAR EU - 0.68 W/kg (head) 0.44 W/kg (body)
  • SAR - 0.52 W/kg (head) 0.69 W/kg (body) SAR EU - 0.52 W/kg (head) 0.69 W/kg (body)
Music and Audio
Music and Audio — specifications for G Flex2, Galaxy M31.
SpecificationG Flex2Galaxy M31
Radio
  • Stereo FM radio
  • RDS
  • FM radio
  • RDS
  • recording
Others
  • Dolby Mobile -Active noise cancellation with dedicated mic
Unknown
Other features
Other features — specifications for G Flex2, Galaxy M31.
SpecificationG Flex2Galaxy M31
Dop
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass
  • color spectrum
  • Infrared port - Fast battery charging (Quick Charge 2.0) -DMB TV tuner (Korean model only) - Self-healing back panel coating - Versions: LG H955 (EMEA)
  • LG LS996 (Sprint)
  • LG H950 (AT&T)
  • LG US995 (U.S. Cellular)
  • Sensors Fingerprint (rear-mounted)
  • accelerometer
  • gyro
  • proximity
  • compass - Fast battery charging 15W - Versions: SM-M315F/DS