Compare Devices
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Brand | lg | lava | samsung |
Model | lg k20 (2019) | lava z40 | samsung galaxy m21 |
Announced | 2019 August | 2019 March | 2020 March 18 |
Status | Available. Released 2019 September | Available. Released 2019 March | Available. Released 2020 March 23 |
Device Body | glass front | plastic back | plastic frame | glass front ( gorilla glass 3 ) | plastic back | plastic frame | |
Dimensions | 148.6 x 71.9 x 8.3 mm ( 5.85 x 2.83 x 0.33 in ) | 125.5 x 63.9 x 11.7 mm ( 4.94 x 2.52 x 0.46 in ) | 159 x 75.1 x 8.9 mm ( 6.26 x 2.96 x 0.35 in ) |
Weight in gram | 152 | 120 | 188 |
SIM card | dual SIM ( Nano-SIM | dual stand-by ) | dual SIM ( Nano-SIM | dual stand-by ) | single SIM ( Nano-SIM ) or dual SIM ( Nano-SIM | dual stand-by ) |
Water Resistance | No | No | No |
Display type | IPS LCD | tn tft LCD | Super AMOLED | 420 Luminance units ( the peak ) |
Display resolution | 480 x 960 pixels | 18 : 9 ratio ( ~197 pixel per inch density ) | 480 x 800 pixels | 5 : 3 ratio ( ~233 pixel per inch density ) | 1080 x 2340 pixels | 19.5 : 9 ratio ( ~403 pixel per inch density ) |
Display size | 5.45 inches | 76.7 cm2 ( ~71.7% screen to body ratio ) | 4.0 inches | 45.5 cm2 ( ~56.8% screen to body ratio ) | 6.4 inches | 100.5 cm2 ( ~84.2% screen to body ratio ) |
Display Protection | corning gorilla glass ( unspecified version ) | corning gorilla glass 3 | |
Operating System | android 9.0 pie ( go edition ) | android 8.1 oreo ( go edition ) | android 10 | upgradable to android 11 | one ui 3.1 core |
CPU | Quad-core 1.5 GHz cortex-a53 | Quad-core 1.4 GHz | Octa-core ( 4x2.3 GHz cortex-a73 & 4x1.7 GHz cortex-a53 ) |
Chipset | mediatek mt6739 ( 28 nm ) | unisoc sc9832e | exynos 9611 ( 10nm ) |
GPU | powervr ge8100 | mali | mali-g72 mp3 |
Memory card | microsdhc ( dedicated slot ) | microsdxc | microsdxc ( dedicated slot ) |
Memory v1 | 16gb 1gb RAM | 8gb 1gb RAM | 64gb 4gb RAM |
Memory v2 | 128gb 6gb RAM | ||
Primary camera | 8 megapixel| lens aperture2.0 | 27mm ( wide ) | 1/4.0" | 1.12µm | Auto focus | 2 mega pixel | 48 megapixel| lens aperture2.0 | 26mm ( wide ) | 1/2.0" | 0.8µm | phase detection autofocus 8 megapixel| lens aperture2.2 | 12mm ( ultrawide ) | 1/4.0" | 1.12µm 5 megapixel| lens aperture2.2 | ( depth ) |
Secondary camera | 5 megapixel| lens aperture2.2 | 24mm ( wide ) | 1/5.0" | 1.12µm | 2 mega pixel | 20 megapixel| lens aperture2.2 | 26mm ( wide ) |
Loud speaker | Yes | Yes | Yes |
Audio jack | Yes | Yes | Yes |
WLAN | Wi-Fi 802.11 b/g/n | Wi-Fi 802.11 b/g/n | Wi-Fi Direct | Wi-Fi 802.11 a/b/g/n/ac | dual-band | Wi-Fi Direct |
Bluetooth | 5.0 | a2dp | le | 4.2 | a2dp | le | 5.0 | a2dp | le |
GPS | |||
NFC | No | No | Yes ( market/region dependent ) |
Radio | No | FM Radio | FM Radio | rds | recording |
USB | microusb 2.0 | microusb 2.0 | USB Type-C 2.0 |
Sensors | accelerometer | proximity | accelerometer | fingerprint ( rear-mounted ) | accelerometer | gyroscope | proximity | compass |
Battery | Li-lon 3000 mAh | Non-removable | Li-lon 2250 mAh | removable | li-po 6000 mAh | Non-removable |
Battery Charge | 15w wired | ||
Colors | black color gradations, blue color gradations | gold, black color gradations | blue color gradations, black color gradations |
Network technology | gsm / hspa / lte | gsm / hspa / lte | gsm / hspa / lte |
5G bands | |||
Network speed | hspa 42.2/5.76 mbps lte cat4 150/50 mbps | hspa 21.1/5.76 mbps lte cat4 150/50 mbps | hspa lte-a |
GPRS | |||
EDGE | |||
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