Detailed comparison and review of Samsung Galaxy S9 and LG K40. With our comprehensive overview, you can simply compare sizes, functions, but also other key features of both phones and easily decide which one is the right choice for you. Our goal is to help you identify the main differences between products and find the phone that best fits your needs and expectations.
| DESIGN AND DIMENSIONS | Samsung Galaxy S9 | LG K40 |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Manufacturer Model Number | SM-G960W | LM-X420EMW | |
| Form Factor | Touch | Touch | |
| Height | 147.7 mm | 153 mm | LG K40 has greater height than Samsung Galaxy S9. |
| Width | 68.7 mm | 71.9 mm | LG K40 has greater width than Samsung Galaxy S9. |
| Depth | 8.5 mm | 8.3 mm | LG K40 is narrower than Samsung Galaxy S9. |
| Weight | 163 g | 145 g | LG K40 is lighter than Samsung Galaxy S9. |
| Body Colour | Titanium grey | Lilac purple | Midnight black | Coral blue | New Aurora Black | Moroccan blue | |
| Body Material | Metal frame | - | |
| Protection | Dustproof, splashproof, waterproof | - | |
| Waterproof (Water-resistant) | Yes | - | Samsung Galaxy S9 is waterproof. |
| IP rating | IP68 | - | |
| SAR Value | 1.08 W/kg (body), 0.63 W/kg (head) | 1.597 W/kg (body), 0.518 W/kg (head) | |
| Integrated Components | Heart rate sensor | FM radio | |
| Connector Type | USB Type-C - 24 pin USB-C Headset jack - mini-phone 3.5mm |
Headset jack - mini-phone 3.5mm Micro-USB - 5 pin Micro-USB Type B |
|
| SIM Card Type (Size) | Nano SIM | - | |
| SIM Card Qty | Single-SIM | Dual-SIM |
| DISPLAY | Samsung Galaxy S9 | LG K40 |
|---|
| Display Type | OLED display | LCD display | |
|---|---|---|---|
| Display Technology | Quad HD+ Super AMOLED | IPS | |
| Screen Size (Display Size) | 5.8" | 5.7" | Samsung Galaxy S9 has larger screen size than LG K40. |
| Screen Resolution (Display Resolution) | 2960 x 1440 pixels | 1440 x 720 pixels | Samsung Galaxy S9 has better screen resolution than LG K40. |
| Display Format | QHD+ | HD | |
| Pixel Density | 570 ppi | 282 ppi | Samsung Galaxy S9 has better pixel density than LG K40. |
| Aspect Ratio | 18.5:9 | 18:9 | |
| Colour Depth | 16.7 million colours | - | |
| HDR | Yes | - | Samsung Galaxy S9 has HDR. |
| Display Features | Always-on display, Edge Screen, Infinity Display | Curved glass, FullVision display | |
| Display Protection (Screen Protector) | Corning Gorilla Glass 5 (scratch resistant glass) | - |
| PROCESSOR | Samsung Galaxy S9 | LG K40 |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 845 | MediaTek | |
|---|---|---|---|
| Processor Number | MSM8998 | MT6762 | |
| Clock Speed | 2.8 GHz | 2 GHz | Samsung Galaxy S9 has higher clock speed than LG K40. |
| Processor Core Qty | 8-core | 8-core | Both phones have the same number of phone cores. |
| 64-bit Architecture | Yes | Yes | Both phones have 64-bit architecture. |
| Graphics System (GPU) | Qualcomm ADRENO 630 | PowerVR GE8320 |
| MEMORY | Samsung Galaxy S9 | LG K40 |
|---|
| RAM | LPDDR4 SDRAM - 4 GB | 2 GB | Samsung Galaxy S9 has more RAM than LG K40. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 64 GB | 32 GB | Samsung Galaxy S9 has more internal memory than LG K40. |
| User Memory | 48.8 GB | 20.2 GB | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 400 GB | microSDHC, microSDXC - up to 2 TB |
| CAMERA | Samsung Galaxy S9 | LG K40 |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution | 12 Megapixel | 16 Megapixel | LG K40 has better camera resolution than Samsung Galaxy S9. |
| Sensor Size | 1/2.55" | 1/3" | LG K40 has better camera sensor size than Samsung Galaxy S9. |
| Lens Aperture | F/1.5 & f/2.4 | F/2.0 | Samsung Galaxy S9 has better lens aperture than Samsung Galaxy S9. |
| Pixel Size | - | 1 μm | |
| Optical Image Stabiliser (OIS) | Optical Image Stabiliser (OIS) | - | Samsung Galaxy S9 has optical stabilisation. |
| Focus Adjustment | Automatic, manual | Automatic | |
| Digital Zoom | 8x | - | |
| Self-Timer Delay | Yes | - | |
| Special Effects | Motion effect, HDR, Stamp, Bokeh effect, Grid Line, Stickers | - | |
| Camera Modes | Panorama, Pro mode, Timer mode, HYPERLAPSE, Auto mode, low-light shots, Food mode, Super Slow-mo, AR Emoji | - | |
| Face Recognition (Face ID) | Face detection | - | Samsung Galaxy S9 has face detection. |
| White Balance | Custom, automatic | - | |
| Light Source | LED flash | LED flash | |
| Video Resolutions | 1920 x 1080 (1080p) at 30 fps, 1920 x 1080 (1080p) at 60 fps, 1280 x 720 (720p) at 30 fps, 3840 x 2160 (4K) at 30 fps, 3840 x 2160 (4K) at 60 fps, Super slow motion video 1280 x 720 (720p) at 960 fps, Slo-mo video 1920 x 1080 (1080p) at 240 fps, 2560 x 1440 (QHD) at 30 fps | - | |
| Camera Features (Functions) | Selective Focus, Quick Launch, Playback zoom, Tracking Focus, Motion photo, Exposure, Shutter speed, geotagging, Continuous Auto Focus (CAF), RAW image capture, VDIS (Video Digital Image Stabilisation), High CRI LED flash, Tracking AF, Stamps, location tags, Hyperlapse video support 1080p, Live focus with bokeh filters, Super Speed Dual Pixel | Phase Detect Auto-Focus (PDAF), GIF Creation, 8 different scenes |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 8 Megapixel | 8 Megapixel | Both phones have the same front camera resolution. |
| Sensor Size (Front) | 1/3.6" | 1/4" | LG K40 has better front camera sensor size than Samsung Galaxy S9. |
| Sensor Type (Front) | CMOS | - | |
| Lens Aperture (Front) | F/1.7 | F/2.0 | Samsung Galaxy S9 has better front lens aperture than Samsung Galaxy S9. |
| Pixel Size (Front) | - | 1.12 μm | |
| Focus Adjustment | Automatic | - | |
| Special Effects (Front) | HDR, Grid Line | - | |
| Camera Modes (Front) | Timer mode, wide selfie mode, selfie mode, AR Emoji, selfie focus | Portrait mode | |
| Light Source (Front) | - | LED flash | |
| Camera Features (Front) | Quick launch, Motion photo, Stamps, location tags, VDIS (Video Digital Image Stabilization) | - |
| BATTERY AND CHARGING | Samsung Galaxy S9 | LG K40 |
|---|
| Battery Capacity (Battery Size) | 3000 mAh | 3000 mAh | Both phones have the same battery capacity. |
|---|---|---|---|
| Wireless Charging | Yes | - | Samsung Galaxy S9 can be charged wirelessly. |
| Wireless Charging Standards | WPC, PMA | - | |
| Standby Time | 326 hours | 100 hours | Samsung Galaxy S9 has longer standby time than LG K40. |
| Talk Time | 1860 minutes | 480 minutes | Samsung Galaxy S9 has longer battery life when making calls than LG K40. |
| Run Time Details | Talk (3G): up to 1860 min Active online usage (Wi-Fi): up to 14 hrs Active online usage (3G): up to 12 hrs Active online usage (LTE): up to 14 hrs Playback (audio (Always On Display Off)): up to 90 hrs Playback (audio (Always On Display On)): up to 51 hrs Playback (video): up to 17 hrs Standby (AOD off): up to 326 hrs Standby (AOD on): up to 82 hrs |
Talk: up to 480 min Standby: up to 100 hrs |
|
| Battery Technology | - | Lithium Ion |
| CELLULAR | Samsung Galaxy S9 | LG K40 |
|---|
| Technology | TD-SCDMA / WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 4G | Both phones have the same mobile network generation. |
| Operating System | Android 8.0 Oreo | Android 8.1 Oreo | |
| Intelligent Assistant | Bixby | Google Assistant | |
| Payment Technology | Samsung Pay | - | |
| Navigation | GPS, GLONASS, BeiDou, Galileo | GPS |
| COMMUNICATIONS | Samsung Galaxy S9 | LG K40 |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, VoLTE, FDD-LTE, TDD-LTE, VoWiFi | GPRS, EDGE, HSDPA, HSUPA, HSPA+, FDD-LTE, TDD-LTE | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | |
| 3G UMTS Band | Band 1, Band 2, Band 4, Band 5, Band 8 | - | |
| 3G UMTS Frequency | 2100, 1900, 1700, 850, 900 | - | |
| 4G LTE Band | Band 1, Band 2, Band 3, Band 4, Band 5, Band 7, Band 8, Band 12, Band 13, Band 17, Band 18, Band 19, Band 20, Band 25, Band 29, Band 30, Band 38, Band 39, Band 40, Band 41, Band 46, Band 66 | Band 1, Band 3, Band 7, Band 8, Band 20, Band 38 | |
| 4G LTE Frequency | FDD 2100, FDD 1900 PCS, FDD 1800+, FDD 1700 - 2110 AWS, FDD 850, FDD 2600, FDD 900, FDD 700a, FDD 700c, FDD 700b, FDD 800 lower, FDD 800 upper, FDD 800 DD, FDD 1900+, FDD 700d, FDD 2300 WCS, TDD 2600, TDD 1900, TDD 2300, TDD 2500, TDD 5150, FDD 1700 - 2110 AWS-3 | FDD 2100, FDD 1800+, FDD 2600, FDD 900, FDD 800 DD, TDD 2600 | |
| Wireless Interface | IEEE 802.11a/b/g/n/ac, ANT+/ANT | IEEE 802.11a/b/g/n/ac | |
| Bluetooth | Bluetooth 5.0 LE | Bluetooth 5.0 LE | |
| Bluetooth Profiles | HFP, HSP, OPP, PAN, A2DP, AVRCP, HID, SAP, PBAP, MAP, HOGP | - | |
| NFC | Yes | Yes | Both phones have an NFC reader for mobile payments. |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | Samsung Galaxy S9 | LG K40 |
|---|
| Supported Digital Audio Standards | WAV, WMA, AAC, PCM, AMR, MP3, FLAC, AAC-LC, XMF, AAC +, OGG, eAAC+, MIDI, APE (Monkey's Audio), M4A, apt-X, DSF, DSD, MXMF, OGA, 3GA, AWB, IMY, RTTTL, RTX, OTA, OPUS, DFF, MID, AMR-WB, AMR-NB, Vorbis, DSD64, DSD128 | WMA, AAC, PCM, MP3, FLAC, AAC +, eAAC+, OPUS, AMR-WB, AMR-NB, Vorbis | |
|---|---|---|---|
| Supported Digital Video Standards | MKV, VC-1, FLV, AVC, AVI, MPEG-4, WMV, ASF, 3GP, H.264, H.263, M4V, WebM, HEVC, MP43, 3G2, WMV8, VP8, VP9, H.265, WMV7 | - | |
| Sound Enhancements | Dolby Digital Plus sound, Dolby Atmos sound technology, Surround sound, stereo speakers tuned by AKG, Dolby Digital sound | DTS: X 3D Premium Sound |
| FEATURES | Samsung Galaxy S9 | LG K40 |
|---|
| Phone Functions | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | |
|---|---|---|---|
| Sensors | Accelerometer, proximity sensor, barometer, gyro sensor, hall sensor, RGB sensor, heart rate, pressure sensor, geomagnetic sensor | Ambient light sensor, proximity sensor | |
| Security Devices | Face recognition, fingerprint reader, eye scan | Face recognition, fingerprint reader | |
| Additional Phone Features | Multitasking, Face Unlock, Wi-Fi Miracast, Multi Window, MU-MIMO technology, Fast Charging, Samsung KNOX, High AOP Mic, Samsung DeX support, Bixby Vision, Intelligent Scan | Google Lens, Google Assistant Key, AI Cam |
| OTHERS | Samsung Galaxy S9 | LG K40 |
|---|
| Included Accessories | Power adapter, SIM card removal tool, USB Connector (USB-C), micro-USB connector, USB-C cable, headset (tuned by AKG) | Power adapter | |
|---|---|---|---|
| Compliant Standards | IP68 | MIL-STD 810G | |
| Max Depth of Water Resistance | 1.5 m | - |
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