Compare Devices
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Brand |
vivo | oppo | asus |
Model |
vivo y55s (2023) | oppo a57 | asus zenfone 4 max zc520kl |
Announced |
2023 January 21 | 2022 April 14 | 2017 August |
Status |
Available. Released 2023 January 21 | Available. Released 2022 April 15 | Available. Released 2017 October |
Device Body |
glass front | plastic frame | plastic back | glass front | plastic frame | plastic back | |
Dimensions |
164 x 75.9 x 8.3 mm ( 6.46 x 2.99 x 0.33 in ) | 163.8 x 75.1 x 8 mm ( 6.45 x 2.96 x 0.31 in ) | 150.5 x 73.3 x 8.8 mm ( 5.93 x 2.89 x 0.35 in ) |
Weight in gram |
187 | 186 | 156 |
SIM card |
dual SIM ( Nano-SIM | dual stand-by ) | dual SIM ( Nano-SIM | dual stand-by ) | dual SIM ( micro-sim/nano-sim | dual stand-by ) |
Water Resistance |
No | No | No |
Display type |
IPS LCD | IPS LCD | 90hz | 480 Luminance units ( typ ) | 600 Luminance units ( hbmillion) | IPS LCD |
Display resolution |
1080 x 2408 pixels | 20 : 9 ratio ( ~401 pixel per inch density ) | 720 x 1612 pixels | 20 : 9 ratio ( ~269 pixel per inch density ) | 720 x 1280 pixels | 16 : 9 ratio ( ~282 pixel per inch density ) |
Display size |
6.58 inches | 104.3 cm2 ( ~83.8% screen to body ratio ) | 6.56 inches | 103.4 cm2 ( ~84.0% screen to body ratio ) | 5.2 inches | 74.5 cm2 ( ~67.6% screen to body ratio ) |
Display Protection |
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Operating System |
android 12 | funtouch 12 | android 12 | coloros 12.1 | android 7 ( nougat ) | upgradable to android 8 ( oreo ) | zenui 4 |
CPU |
Octa-core ( 2x2.2 GHz cortex-a76 & 6x2.0 GHz cortex-a55 ) | Octa-core ( 2x2.4 GHz cortex-a76 & 6x2.0 GHz cortex-a55 ) | Quad-core 1.4 GHz cortex-a53 |
Chipset |
mediatek dimensity 700 ( 7 nm ) | mediatek dimensity 810 ( 6 nm ) | Qualcomm msm8917 snapdragon 425 ( 28 nm ) |
GPU |
mali-g57 mc2 | mali-g57 mc2 | adreno 308 |
Memory card |
microsdxc | microsdxc | microsdxc ( dedicated slot ) |
Memory v1 |
128gb 4gb RAM | 128gb 6gb RAM | 16gb 2gb RAM |
Memory v2 |
128gb 6gb RAM | 128gb 8gb RAM | 256gb 8gb RAM | 32gb 3gb RAM |
Primary camera |
50 megapixel| lens aperture1.8 | 26mm ( wide ) | phase detection autofocus 2 megapixel| lens aperture2.4 | ( macro ) 2 megapixel| lens aperture2.4 | ( depth ) |
13 megapixel| lens aperture2.2 | 26mm ( wide ) | 1/3.06" | 1.12µm | Auto focus 2 megapixel| lens aperture2.4 | ( depth ) |
13 megapixel| Auto focus 5 megapixel| lens aperture2.4 | ( depth ) |
Secondary camera |
8 megapixel| lens aperture1.8 | ( wide ) |
8 megapixel| lens aperture2.0 | 26mm ( wide ) |
8 mega pixel |
Loud speaker |
Yes | Yes with stereo speakers | Yes |
Audio jack |
Yes | Yes | Yes |
WLAN |
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 | Wi-Fi 802.11 b/g/n | Wi-Fi Direct | hotspot |
Bluetooth |
5.1.0 | a2dp | le | 5.2 | a2dp | le | aptx hd | 4.1.0 | a2dp | le |
GPS |
Yes with a-gps glonass | ||
NFC |
Yes | No | No |
Radio |
FM Radio | No | FM Radio |
USB |
USB Type-C | otg | USB Type-C 2.0 | otg | microusb 2.0 | USB on-the-go |
Sensors |
fingerprint ( side-mounted ) | accelerometer | gyroscope | proximity | compass | fingerprint ( side-mounted ) | accelerometer | gyroscope | proximity | compass | fingerprint ( front-mounted ) | accelerometer | gyroscope | proximity | compass |
Battery |
5000 mAh | Non-removable | li-po 5000 mAh | Non-removable | li-po 4100 mAh | Non-removable |
Battery Charge |
18w wired | 10w wired | reverse charging |
Colors |
black, blue | black, blue, lilac | black, gold, silver |
Network technology |
gsm / hspa / lte / 5g | gsm / cdma / hspa / cdma2000 / lte / 5g | gsm / hspa / lte |
5G bands |
1 | 3 | 5 | 7 | 8 | 20 | 28 | 38 | 40 | 41 | 78 sa/nsa | 1 | 5 | 8 | 28 | 41 | 77 | 78 sa/nsa | |
Network speed |
hspa lte-a 5g | hspa lte 5g | hspa 42.2/5.76 mbps lte cat4 150/50 mbps |
GPRS |
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EDGE |
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Approx price |
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210 GBP
253 EUR
2470 NOK
2600 SEK
16000 RUB
260 USD
1350 BRL
370 AUD
340000 KRW
35000 JPY
350 SGD
1140 MYR
940 AED
4300 ZAR
