LG K40 vs Samsung Galaxy S9

Phones Images
PHONES
Phone Names LG K40 Samsung Galaxy S9
Network
2G bandsGSM 850 / 900 / 1800 / 1900GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only)
3G bandsHSDPA 850 / 900 / 1900 / 2100HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 - Global, USA
4G bands1, 3, 7, 8, 201, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 38, 39, 40, 41, 66 - Global
SpeedHSPA 42.2/5.76 Mbps, LTE (2CA) Cat6 300/50 MbpsHSPA 42.2/5.76 Mbps, LTE (6CA) Cat18 1200/200 Mbps
TechnologyGSM / HSPA / LTEGSM / CDMA / HSPA / EVDO / LTE
 -1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 19, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 46, 66, 71 - USA
Launch
Announced2019, February. Released 2019, April2018, February 25. Released 2018, March 09
StatusDiscontinuedDiscontinued
Body
BuildGlass front, plastic back, plastic frameGlass front (Gorilla Glass 5), glass back (Gorilla Glass 5), aluminum frame
Dimensions153 x 71.9 x 8.3 mm (6.02 x 2.83 x 0.33 in)147.7 x 68.7 x 8.5 mm (5.81 x 2.70 x 0.33 in)
SIM· Nano-SIM· Nano-SIM + Nano-SIM· Nano-SIM· Nano-SIM + Nano-SIM
Weight144 g (5.08 oz)163 g (5.75 oz)
 MIL-STD-810G compliant* *does not guarantee ruggedness or use in extreme conditionsIP68 dust/water resistant (up to 1.5m for 30 min)
Display
Protection-Corning Gorilla Glass 5
Resolution720 x 1440 pixels, 18:9 ratio (~282 ppi density)1440 x 2960 pixels, 18.5:9 ratio (~570 ppi density)
Size5.7 inches, 83.8 cm2 (~76.2% screen-to-body ratio)5.8 inches, 84.8 cm2 (~83.6% screen-to-body ratio)
TypeIPS LCDSuper AMOLED, HDR10
 -3D Touch (home button only) Always-on display
Platform
CPUOcta-core 2.0 GHz Cortex-A53Octa-core (4x2.7 GHz Mongoose M3 & 4x1.8 GHz Cortex-A55) - EMEAOcta-core (4x2.8 GHz Kryo 385 Gold & 4x1.7 GHz Kryo 385 Silver) - USA/LATAM, China
ChipsetMediatek MT6762 Helio P22 (12 nm)Exynos 9810 (10 nm) - EMEAQualcomm SDM845 Snapdragon 845 (10 nm) - USA/LATAM, China
GPUPowerVR GE8320Mali-G72 MP18 - EMEAAdreno 630 - USA/LATAM, China
OSAndroid 8.1 (Oreo), LG UX 7Android 8.0 (Oreo), upgradable to Android 10, One UI 2.5
Memory
Card slotmicroSDXC (dedicated slot)microSDXC (uses shared SIM slot) - dual SIM model only
Internal32GB 2GB RAM, 32GB 3GB RAM64GB 4GB RAM, 128GB 4GB RAM, 256GB 4GB RAM
 eMMC 5.1UFS 2.1
Main Camera
FeaturesLED flash, panorama, HDRLED flash, auto-HDR, panorama
Single16 MP, f/2.0, 1/3.1", 1.0µm, PDAF12 MP, f/1.5-2.4, 26mm (wide), 1/2.55", 1.4µm, dual pixel PDAF, OIS
Video1080p@30fps4K@30/60fps, 1080p@30/60/240fps, 720p@960fps, HDR, stereo sound rec., gyro-EIS & OIS (30fps)
Selfie camera
Dual-8 MP, f/1.7, 25mm (wide), 1/3.6", 1.22µm, AF 2 MP (dedicated iris scanner camera)
FeaturesLED flashHDR
Single8 MP, f/2.0-
Video1080p@30fps1440p@30fps
Sound
3.5mm jack YesYes
35mm jackYesYes
Loudspeaker YesYes, with stereo speakers
 -32-bit/384kHz audio Tuned by AKG
Comms
Bluetooth5.0, A2DP, LE5.0, A2DP, LE, aptX
NFCYes (market/region dependent)Yes
PositioningGPS, GLONASSGPS, GLONASS, BDS, GALILEO
RadioNoFM radio (USA & Canada only)
USBmicroUSB 2.0, OTGUSB Type-C 3.1
WLANWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNAWi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct
Features
SensorsFingerprint (rear-mounted), accelerometer, proximity, compassIris scanner, fingerprint (rear-mounted), accelerometer, gyro, proximity, compass, barometer, heart rate, SpO2
 -ANT+ Bixby natural language commands and dictation Samsung Pay (Visa, MasterCard certified)
Battery
Charging-15W wired, QC2 Wireless (Qi) (market dependent)
TypeLi-Ion 3000 mAh, non-removableLi-Ion 3000 mAh, non-removable (11.55 Wh)
Misc
ColorsBlack, New Moroccan Blue, New Platinum GrayMidnight Black, Coral Blue, Titanium Gray, Lilac Purple, Burgundy Red, Sunrise Gold, Ice Blue
ModelsLMX420, LMX420EMW, LM-X420SM-G960F, SM-G960, SM-G960F, SM-G960U, SM-G960W, SM-G9600, SM-G960U1, SM-G960N, SCV38, SM-G960X, SC-02K
PriceAbout 140 EURAbout 110 EUR
SAR-0.63 W/kg (head)     0.96 W/kg (body)
SAR EU-0.36 W/kg (head)     1.18 W/kg (body)
Tests
Audio quality- Noise -93.4dB / Crosstalk -93.9dB
Battery life- Endurance rating 78h
Camera- Photo / Video
Display- Contrast ratio: Infinite (nominal), 4.630 (sunlight)
Loudspeaker- Voice 68dB / Noise 74dB / Ring 81dB
Performance- AnTuTu: 250156 (v7) GeekBench: 8830 (v4.4) GFXBench: 14fps (ES 3.1 onscreen)
OUR TESTS
Audio quality-Noise -93.4dB / Crosstalk -93.9dB
Battery (old)-Endurance rating 78h
Camera-Photo / Video
Display-Contrast ratio: Infinite (nominal), 4.630 (sunlight)
Loudspeaker-Voice 68dB / Noise 74dB / Ring 81dB
Performance-AnTuTu: 250156 (v7) GeekBench: 8830 (v4.4) GFXBench: 14fps (ES 3.1 onscreen)