Compare Devices
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Brand | asus | vivo | vivo |
Model | asus zenfone max (m1) zb555kl | vivo iqoo z8x | vivo y31 |
Announced | 2018 February | 2023 August 31 | 2025 September 15 |
Status | Available. Released 2018 May | Available. Released 2023 September | Available. Released 2025 September 15 |
Device Body | glass front | plastic back | plastic frame | ||
Dimensions | 147.3 x 70.9 x 8.7 mm ( 5.80 x 2.79 x 0.34 in ) | 164.6 x 75.8 x 9.1 mm ( 6.48 x 2.98 x 0.36 in ) | 166.1 x 77 x 8.4 mm ( 6.54 x 3.03 x 0.33 in ) |
Weight in gram | 150 | 199.6 | 209 |
SIM card | dual SIM ( Nano-SIM | dual stand-by ) | dual SIM ( Nano-SIM | dual stand-by ) | Nano-SIM + Nano-SIM |
Water Resistance | No | No | ip68/ip69 dust tight and water resistant high pressure water jets; immersible up to 1.5meterfor 30 min |
Display type | IPS LCD | IPS LCD | 120hz | IPS LCD | 120hz | 1000 Luminance units ( hbmillion) |
Display resolution | 720 x 1440 pixels | 16 : 10 ratio ( ~245 pixel per inch density ) | 1080 x 2388 pixels ( ~395 pixel per inch density ) | 720 x 1608 pixels | 20 : 9 ratio ( ~264 pixel per inch density ) |
Display size | 5.5 inches | 88.1 cm2 ( ~84.4% screen to body ratio ) | 6.64 inches | 106.8 cm2 ( ~85.6% screen to body ratio ) | 6.68 inches | 107.4 cm2 ( ~84.0% screen to body ratio ) |
Display Protection | guardian glass ( ion-strengthened ) | ||
Operating System | android 8 ( oreo ) | zenui 5 | android 13 | originos 3 | android 15 | funtouch 15 |
CPU | Quad-core 1.4 GHz cortex-a53 | Octa-core ( 4x2.2 GHz cortex-a78 & 4x1.8 GHz cortex-a55 ) | Octa-core ( 2x2.2 GHz cortex-a78 & 6x1.95 GHz cortex-a55 ) |
Chipset | Qualcomm msm8917 snapdragon 425 ( 28 nm ) | Qualcomm sm6450 snapdragon 6 generation 1 ( 4 nm ) | Qualcomm sm4450 snapdragon 4 generation 2 ( 4 nm ) |
GPU | adreno 308 | adreno 710 | adreno 613 |
Memory card | microsdxc ( dedicated slot ) | No | microsdxc ( uses shared sim slot ) |
Memory v1 | 16gb 2gb RAM | 128gb 8gb RAM | 128gb 4gb RAM |
Memory v2 | 32gb 2gb RAM | 32gb 3gb RAM | 256gb 8gb RAM | 256gb 12gb RAM | 128gb 6gb RAM | 128gb 8gb RAM | 256gb 8gb RAM |
Primary camera | 13 megapixel| lens aperture2.0 | phase detection autofocus 8 megapixel| 17mm ( ultrawide ) | 50 megapixel| lens aperture1.8 | ( wide ) | phase detection autofocus 2 megapixel| lens aperture2.4 | ( depth ) | 50 megapixel| lens aperture1.8 | ( wide ) | phase detection autofocus |
Secondary camera | 8 megapixel| lens aperture2.2 | 25mm ( wide ) | 8 megapixel| lens aperture2.0 | ( wide ) | 8 megapixel| lens aperture2.0 | ( wide ) |
Loud speaker | Yes | Yes | Yes with stereo speakers |
Audio jack | Yes | Yes | No |
WLAN | Wi-Fi 802.11 b/g/n | Wi-Fi Direct | 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 |
Bluetooth | 4.2 | a2dp | le | 5.1.0 | a2dp | le | aptx hd | aptx adaptive | 4.2 | a2dp | le |
GPS | |||
NFC | No | No | No |
Radio | FM Radio | No | No |
USB | microusb 2.0 | otg | USB Type-C 2.0 | otg | USB Type-C 2.0 | otg |
Sensors | fingerprint ( rear-mounted ) | accelerometer | proximity | compass | fingerprint ( side-mounted ) | accelerometer | gyroscope | proximity | compass | fingerprint ( side-mounted ) | accelerometer | proximity | compass |
Battery | li-po 4000 mAh | Non-removable | 6000 mAh | Non-removable | Li-lon 6500 mAh |
Battery Charge | 10w wired | 44w wired | 44w wired | 50% in 38 min | reverse wired |
Colors | black color gradations, gold color gradations, red color gradations | black, blue, silver | red color gradations, green color gradations |
Network technology | gsm / hspa / lte | gsm / cdma / hspa / cdma2000 / lte / 5g | gsm / hspa / lte / 5g |
5G bands | 1 | 3 | 5 | 8 | 28 | 38 | 40 | 41 | 77 | 78 sa/nsa | 1 | 3 | 5 | 8 | 28 | 40 | 77 | 78 sa/nsa | |
Network speed | hspa 42.2/5.76 mbps lte cat4 150/50 mbps | hspa lte 5g | hspa lte 5g |
GPRS | |||
EDGE | |||
Approx price |
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130 GBP
155 EUR
1490 NOK
1600 SEK
9600 RUB
160 USD
810 BRL
220 AUD
200000 KRW
21000 JPY
210 SGD
680 MYR
560 AED
2600 ZAR
