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Brand | cat | vivo | apple |
Model | cat s61 | vivo v15 | apple Watch series 4 |
Announced | 2018 February | 2019 March | 2018 September |
Status | Available. Released 2018 June | Available. Released 2019 March | Available. Released 2018 September |
Device Body | glass front ( gorilla glass 5 ) | plastic back | plastic frame | glass front ( sapphire crystal ) | ceramic/sapphire crystal back | stainless steel frame | |
Dimensions | 163 x 78 x 13 mm ( 6.42 x 3.07 x 0.51 in ) | 161.2 x 75.9 x 8.5 mm ( 6.35 x 2.99 x 0.33 in ) | 44 x 38 x 10.7 mm ( 1.73 x 1.50 x 0.42 in ) |
Weight in gram | 250 | 189.5 | 48 |
SIM card | single SIM ( Nano-SIM ) - south africa only | dual SIM ( Nano-SIM | dual stand-by ) | eSIM |
Water Resistance | 50meterwater resistant | ||
Display type | IPS LCD capacitive touchscreen | 16millioncolors | IPS LCD | Retina LTPO OLED | 1000 Luminance units ( the peak ) |
Display resolution | 1080 x 1920 pixels | 16 : 9 ratio ( ~424 pixel per inch density ) | 1080 x 2340 pixels | 19.5 : 9 ratio ( ~395 pixel per inch density ) | 448 x 368 pixels ( ~326 pixel per inch density ) |
Display size | 5.2 inches | 74.5 cm2 ( ~58.6% screen to body ratio ) | 6.53 inches | 104.7 cm2 ( ~85.6% screen to body ratio ) | 1.78 inches |
Display Protection | sapphire crystal glass | ||
Operating System | android 8.0 ( oreo ) | upgradable to android 9.0 ( pie ) | android 9.0 ( pie ) | funtouch 9 | watchos 5.0 | upgradable to 9.6.1 |
CPU | Octa-core 2.2 GHz cortex-a53 | Octa-core ( 4x2.1 GHz cortex-a73 & 4x2.0 GHz cortex-a53 ) | Dual-core |
Chipset | Qualcomm sdm630 snapdragon 630 ( 14 nm ) | mediatek mt6771 helio p70 ( 12nm ) | apple s4 |
GPU | adreno 508 | mali-g72 mp3 | powervr |
Memory card | microSD | up to 256 GB ( uses shared sim slot ) | microsdxc ( dedicated slot ) | No |
Memory v1 | 64gb 4gb RAM | 64gb 6gb RAM | 16gb 1gb RAM |
Memory v2 | 128gb 6gb RAM | ||
Primary camera | 16 megapixel| phase detection autofocus | flir thermal Camera ( lepton module ) | 24 megapixel| lens aperture1.8 | 1/2.8" | 1.12µm | Dual Pixel phase detection autofocus 8 megapixel| lens aperture2.2 | 13mm ( ultrawide ) | 1/4.0" | 1.12µm 5 megapixel| lens aperture2.4 | ( depth ) | |
Secondary camera | 8 mega pixel | Motorized pop-up 32 megapixel| lens aperture2.0 | 26mm ( wide ) | 1/2.8" | 0.8µm | |
Loud speaker | Yes | Yes | Yes |
Audio jack | Yes | Yes | No |
WLAN | Wi-Fi 802.11 a/b/g/n/ac | dual-band | Wi-Fi Direct | hotspot | Wi-Fi 802.11 a/b/g/n/ac | dual-band | Wi-Fi Direct | hotspot | Wi-Fi 802.11 b/g/n |
Bluetooth | 5.0 | a2dp | le | 4.2 | a2dp | le | 5.0 | a2dp | le |
GPS | Yes with a-gps glonass galileo qzss sbas | Yes with a-gps glonass bds | |
NFC | Yes | No | Yes |
Radio | FM Radio | FM Radio | No |
USB | 2.0 | Type-C 1.0.0 reversible connector | USB on-the-go | microusb 2.0 | USB on-the-go | No |
Sensors | accelerometer | gyroscope | proximity | compass | barometer | indoor air quality sensor | fingerprint ( rear-mounted ) | accelerometer | gyroscope | proximity | compass | accelerometer | gyroscope | heart rate | barometer |
Battery | Non-removable Li-lon 4500 mAh battery | li-po 4000 mAh | Non-removable | Li-lon 292 mAh ( 1.12watt per hour ) | Non-removable |
Battery Charge | wireless | ||
Colors | black | blue color gradations, red color gradations, black color gradations, blue color gradations | black color gradations, silver, gold |
Network technology | gsm / hspa / lte | gsm / hspa / lte | gsm / hspa / lte |
5G bands | |||
Network speed | hspa 42.2/5.76 mbps lte-a (3ca) cat12 600/150 mbps | hspa 42.2/5.76 mbps lte-a | hspa lte |
GPRS | |||
EDGE | |||
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