Compare Devices
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Brand | oppo | oppo | vivo |
Model | oppo a3s | oppo a1k | vivo y28 4g |
Announced | 2018 July 13 | 2019 April | 2024 June 15 |
Status | Available. Released 2018 July | Available. Released 2019 May | Available. Released 2024 July |
Device Body | glass front ( gorilla glass 3 ) | plastic back | plastic frame | glass front | plastic frame | plastic back | |
Dimensions | 156.2 x 75.6 x 8.2 mm ( 6.15 x 2.98 x 0.32 in ) | 154.5 x 73.8 x 8.4 mm ( 6.08 x 2.91 x 0.33 in ) | 165.7 x 76 x 8 mm ( 6.52 x 2.99 x 0.31 in ) |
Weight in gram | 168 | 170 | 199 |
SIM card | dual SIM ( Nano-SIM | dual stand-by ) | dual SIM ( Nano-SIM | dual stand-by ) | Hybrid dual SIM ( Nano-SIM | dual stand-by ) |
Water Resistance | No | ip64 dust/water resistant | |
Display type | IPS LCD | IPS LCD | IPS LCD | 90hz | 760 Luminance units ( typ ) | 1000 Luminance units ( hbmillion) |
Display resolution | 720 x 1520 pixels | 19 : 9 ratio ( ~271 pixel per inch density ) | 720 x 1560 pixels | 19.5 : 9 ratio ( ~282 pixel per inch density ) | 720 x 1608 pixels | 20 : 9 ratio ( ~264 pixel per inch density ) |
Display size | 6.2 inches | 95.9 cm2 ( ~81.2% screen to body ratio ) | 6.1 inches | 91.3 cm2 ( ~80.1% screen to body ratio ) | 6.68 inches | 107.4 cm2 ( ~85.3% screen to body ratio ) |
Display Protection | corning gorilla glass 3 | ||
Operating System | android 8.1 ( oreo ) | coloros 5.1 | android 9.0 ( pie ) | coloros 6 | android 14 | funtouch 14 |
CPU | Octa-core 1.8 GHz cortex-a53 | Octa-core 2.0 GHz cortex-a53 | Octa-core ( 2x2.0 GHz cortex-a75 & 6x1.8 GHz cortex-a55 ) |
Chipset | Qualcomm sdm450 snapdragon 450 ( 14 nm ) | mediatek mt6762 helio p22 ( 12 nm ) | mediatek helio g85 ( 12 nm ) |
GPU | adreno 506 | powervr ge8320 | mali-g52 mc2 |
Memory card | microsdxc ( dedicated slot ) | microsdxc ( uses shared sim slot ) | |
Memory v1 | 16gb 2gb RAM | 32gb 2gb RAM | 128gb 4gb RAM |
Memory v2 | 32gb 3gb RAM | 64gb 4gb RAM | 128gb 6gb RAM | 128gb 8gb RAM | 256gb 8gb RAM | |
Primary camera | 13 megapixel| lens aperture2.2 | Auto focus 2 megapixel| lens aperture2.4 | ( depth ) | 8 megapixel| lens aperture2.2 | 1/3.2" | 1.4µm | Auto focus | 50 megapixel| lens aperture1.8 | ( wide ) | phase detection autofocus 2 megapixel| lens aperture2.4 | ( depth ) |
Secondary camera | 8 megapixel| lens aperture2.2 | 5 megapixel| lens aperture2.0 | 1/5" | 1.12µm | 8 megapixel| lens aperture2.1 | ( wide ) |
Loud speaker | Yes | Yes | Yes with stereo speakers |
Audio jack | Yes | Yes | Yes |
WLAN | Wi-Fi 802.11 b/g/n | Wi-Fi Direct | hotspot | Wi-Fi 802.11 b/g/n | hotspot | Wi-Fi 802.11 a/b/g/n | dual-band |
Bluetooth | 4.2 | a2dp | le | 4.2 | a2dp | le | 5.0 | a2dp | le |
GPS | Yes with a-gps | Yes with a-gps glonass bds | |
NFC | No | No | No |
Radio | FM Radio | FM Radio | FM Radio |
USB | microusb 2.0 | USB on-the-go | microusb 2.0 | USB on-the-go | USB Type-C 2.0 | otg |
Sensors | accelerometer | gyroscope | proximity | compass | accelerometer | proximity | compass | fingerprint ( side-mounted ) | accelerometer | proximity | compass |
Battery | Li-lon 4230 mAh | Non-removable | li-po 4000 mAh | Non-removable | 6000 mAh |
Battery Charge | 44w wired | ||
Colors | red, purple color gradations | black, red | green color gradations, orange color gradations |
Network technology | gsm / hspa / lte | gsm / hspa / lte | gsm / hspa / lte |
5G bands | |||
Network speed | hspa 42.2/5.76 mbps lte-a (2ca) cat6 300/50 mbps | hspa 42.2/5.76 mbps lte-a | hspa lte |
GPRS | |||
EDGE | |||
Approx price |
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110 GBP
133 EUR
1200 NOK
1300 SEK
7800 RUB
130 USD
650 BRL
180 AUD
170000 KRW
17000 JPY
170 SGD
550 MYR
460 AED
2100 ZAR
