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Brand | apple | vivo | samsung |
Model | apple Watch ultra | vivo s12 | samsung galaxy a40 |
Announced | 2022 September 07 | 2021 December 22 | 2019 March 19 |
Status | Available. Released 2022 September 23 | Available. Released 2021 December 30 | Available. Released 2019 April |
Device Body | sapphire crystal front | ceramic/sapphire crystal back | titanium frame | glass front ( gorilla glass 3 ) | plastic back | plastic frame | |
Dimensions | 49 x 44 x 14.4 mm ( 1.93 x 1.73 x 0.57 in ) | 157.2 x 72.4 x 7.4 or 7.6 mm | 144.4 x 69.2 x 7.9 mm ( 5.69 x 2.72 x 0.31 in ) |
Weight in gram | 61.3 | 179 | 140 |
SIM card | dual SIM ( Nano-SIM | dual stand-by ) | single SIM ( Nano-SIM ) or dual SIM ( Nano-SIM | dual stand-by ) | |
Water Resistance | 100meterwater resistant wr100 | No | No |
Display type | Retina LTPO OLED | 2000 Luminance units ( the peak ) | AMOLED | 90hz | hdr10+ | Super AMOLED |
Display resolution | 502 x 410 pixels ( ~338 pixel per inch density ) | 1080 x 2400 pixels | 20 : 9 ratio ( ~409 pixel per inch density ) | 1080 x 2340 pixels | 19.5 : 9 ratio ( ~437 pixel per inch density ) |
Display size | 1.92 inches | 6.44 inches | 100.1 cm2 ( ~88.0% screen to body ratio ) | 5.9 inches | 85.5 cm2 ( ~85.5% screen to body ratio ) |
Display Protection | sapphire crystal glass | corning gorilla glass 3 | |
Operating System | watchos 9.0 | upgradable to watchos 11.5 | android 11 | originos ocean | android 9.0 ( pie ) | upgradable to android 11 |
CPU | Dual-core | Octa-core ( 4x2.6 GHz cortex-a78 & 4x2.0 GHz cortex-a55 ) | Octa-core ( 2x1.77 GHz cortex-a73 & 6x1.59 GHz cortex-a53 ) |
Chipset | apple s8 | mediatek mt6891z dimensity 1100 ( 6 nm ) | exynos 7904 ( 14 nm ) |
GPU | powervr | mali-g77 mc9 | mali-g71 mp2 |
Memory card | No | No | microsdxc ( dedicated slot ) |
Memory v1 | 128gb 8gb RAM | 64gb 4gb RAM | |
Memory v2 | 32gb | 256gb 8gb RAM | 256gb 12gb RAM | 128gb 4gb RAM |
Primary camera | | 108 megapixel| lens aperture1.9 | 26mm ( wide ) | 1/1.52" | phase detection autofocus 8 megapixel| lens aperture2.2 | 120˚ | 16mm ( ultrawide ) | 1/4.0" | 1.12µm 2 megapixel| lens aperture2.4 | ( macro ) | 16 megapixel| lens aperture1.7 | 26mm ( wide ) | phase detection autofocus 5 megapixel| lens aperture2.2 | 13mm ( ultrawide ) |
Secondary camera | | 44 megapixel| lens aperture2.0 | ( wide ) | Auto focus 8 megapixel| lens aperture2.3 | 105˚ ( ultrawide ) | 25 megapixel| lens aperture2.0 | 25mm ( wide ) | 1/2.8" | 0.9µm |
Loud speaker | Yes with dual speakers ( 86-decibel ) | Yes | Yes |
Audio jack | No | No | Yes |
WLAN | Wi-Fi 802.11 b/g/n | dual-band | Wi-Fi 802.11 a/b/g/n/ac | dual-band | Wi-Fi Direct | Wi-Fi 802.11 a/b/g/n/ac | dual-band | Wi-Fi Direct |
Bluetooth | 5.3 | a2dp | le | 5.2 | a2dp | le | aptx hd | 5.0 | a2dp | le |
GPS | |||
NFC | Yes | Yes | Yes |
Radio | No | No | FM Radio |
USB | No | USB Type-C | otg | USB Type-C 2.0 |
Sensors | accelerometer | gyroscope | heart rate | barometer | always-on altimeter | compass | spo2 | vo2max | temperature ( body ) | temperature ( water ) | fingerprint ( under display | optical ) | accelerometer | gyroscope | proximity | compass | fingerprint ( rear-mounted ) | accelerometer | gyroscope | proximity | compass |
Battery | Li-lon 542 mAh | li-po 4200 mAh | Non-removable | li-po 3100 mAh | Non-removable |
Battery Charge | wireless | 0-80% in 60 min | 44w wired | 15w wired |
Colors | titanium color | black, blue, yellow | black, white, blue, coral color |
Network technology | gsm / hspa / lte | gsm / cdma / hspa / cdma2000 / lte / 5g | gsm / hspa / lte |
5G bands | 1 | 3 | 5 | 8 | 28 | 41 | 77 | 78 sa/nsa | ||
Network speed | hspa lte | hspa lte-a 5g | hspa 42.2/5.76 mbps lte-a (2ca) cat12 600/150 mbps |
GPRS | |||
EDGE | |||
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