Compare Devices
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Brand | vivo | vivo | vivo |
Model | vivo iqoo z8x | vivo y77e | vivo y21 |
Announced | 2023 August 31 | 2022 August 12 | 2021 August 20 |
Status | Available. Released 2023 September | Available. Released 2022 August 12 | Available. Released 2021 August 20 |
Device Body | glass front | plastic frame | plastic back | glass front | plastic frame | plastic back | |
Dimensions | 164.6 x 75.8 x 9.1 mm ( 6.48 x 2.98 x 0.36 in ) | 164 x 75.8 x 8.3 mm ( 6.46 x 2.98 x 0.33 in ) | 164.3 x 76.1 x 8 mm ( 6.47 x 3.00 x 0.31 in ) |
Weight in gram | 199.6 | 194 | 182 |
SIM card | dual SIM ( Nano-SIM | dual stand-by ) | dual SIM ( Nano-SIM | dual stand-by ) | dual SIM ( Nano-SIM | dual stand-by ) |
Water Resistance | No | No | No |
Display type | IPS LCD | 120hz | IPS LCD | IPS LCD |
Display resolution | 1080 x 2388 pixels ( ~395 pixel per inch density ) | 1080 x 2408 pixels | 20 : 9 ratio ( ~401 pixel per inch density ) | 720 x 1600 pixels | 20 : 9 ratio ( ~270 pixel per inch density ) |
Display size | 6.64 inches | 106.8 cm2 ( ~85.6% screen to body ratio ) | 6.58 inches | 104.3 cm2 ( ~83.9% screen to body ratio ) | 6.51 inches | 102.3 cm2 ( ~81.8% screen to body ratio ) |
Display Protection | |||
Operating System | android 13 | originos 3 | android 12 | originos ocean | android 11 | funtouch 11.1 |
CPU | Octa-core ( 4x2.2 GHz cortex-a78 & 4x1.8 GHz cortex-a55 ) | Octa-core ( 2x2.4 GHz cortex-a76 & 6x2.0 GHz cortex-a55 ) | Octa-core ( 4x2.35 GHz cortex-a53 & 4x1.8 GHz cortex-a53 ) |
Chipset | Qualcomm sm6450 snapdragon 6 generation 1 ( 4 nm ) | mediatek dimensity 810 ( 6 nm ) | mediatek mt6765 helio p35 ( 12nm ) |
GPU | adreno 710 | mali-g57 mc2 | powervr ge8320 |
Memory card | No | microsdxc ( uses shared sim slot ) | microsdxc ( dedicated slot ) |
Memory v1 | 128gb 8gb RAM | 128gb 6gb RAM | 64gb 4gb RAM |
Memory v2 | 256gb 8gb RAM | 256gb 12gb RAM | 128gb 8gb RAM | 256gb 8gb RAM | 128gb 4gb RAM |
Primary camera | 50 megapixel| lens aperture1.8 | ( wide ) | phase detection autofocus 2 megapixel| lens aperture2.4 | ( depth ) | 13 megapixel| lens aperture2.2 | ( wide ) | phase detection autofocus 2 megapixel| lens aperture2.4 | ( macro ) | 13 megapixel| lens aperture2.2 | ( wide ) | phase detection autofocus 2 megapixel| lens aperture2.4 | ( macro ) |
Secondary camera | 8 megapixel| lens aperture2.0 | ( wide ) | 8 megapixel| lens aperture2.0 | ( wide ) | 8 megapixel| lens aperture2.0 | ( wide ) |
Loud speaker | Yes | Yes | 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 a/b/g/n/ac | dual-band | Wi-Fi Direct |
Bluetooth | 5.1.0 | a2dp | le | aptx hd | aptx adaptive | 5.1.0 | a2dp | le | aptx hd | 5.0 | a2dp | le |
GPS | |||
NFC | No | No | No |
Radio | No | No | FM Radio |
USB | USB Type-C 2.0 | otg | USB Type-C 2.0 | otg | USB Type-C 2.0 | otg |
Sensors | fingerprint ( side-mounted ) | accelerometer | gyroscope | proximity | compass | fingerprint ( side-mounted ) | accelerometer | proximity | compass | fingerprint ( side-mounted ) | accelerometer | gyroscope | proximity | compass |
Battery | 6000 mAh | Non-removable | 5000 mAh | Non-removable | li-po 5000 mAh | Non-removable |
Battery Charge | 44w wired | 18w wired | 18w wired |
Colors | black, blue, silver | black, blue color gradations, pink | diamond glow, blue color gradations |
Network technology | gsm / cdma / hspa / cdma2000 / lte / 5g | gsm / cdma / hspa / cdma2000 / lte / 5g | gsm / hspa / lte |
5G bands | 1 | 3 | 5 | 8 | 28 | 38 | 40 | 41 | 77 | 78 sa/nsa | 1 | 5 | 8 | 28 | 41 | 77 | 78 sa/nsa | |
Network speed | hspa lte 5g | hspa lte-a 5g | hspa lte |
GPRS | |||
EDGE | |||
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