Compare Devices
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Brand | lenovo | vivo | vivo |
Model | lenovo tab v7 | vivo y91i | vivo x21 |
Announced | 2019 February | 2018 November | 2018 March |
Status | Available. Released 2019 April | Available. Released 2018 November | Available. Released 2018 March |
Device Body | |||
Dimensions | 177.9 x 86.5 x 7.9 mm ( 7.00 x 3.41 x 0.31 in ) | 155.1 x 75.1 x 8.3 mm ( 6.11 x 2.96 x 0.33 in ) | 154.5 x 74.8 x 7.4 mm ( 6.08 x 2.94 x 0.29 in ) |
Weight in gram | 195 | 163.5 | 156.2 |
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 | ||
Display type | IPS LCD | IPS LCD | Super AMOLED capacitive touchscreen | 16millioncolors |
Display resolution | 1080 x 2160 pixels | 18 : 9 ratio ( ~350 pixel per inch density ) | 720 x 1520 pixels | 19 : 9 ratio ( ~271 pixel per inch density ) | 1080 x 2280 pixels | 19 : 9 ratio ( ~402 pixel per inch density ) |
Display size | 6.95 inches | 122.5 cm2 ( ~79.6% screen to body ratio ) | 6.2 inches | 95.9 cm2 ( ~82.4% screen to body ratio ) | 6.28 inches | 98.4 cm2 ( ~85.2% screen to body ratio ) |
Display Protection | |||
Operating System | android 9.0 ( pie ) | android 8.1 ( oreo ) | funtouch 4.5 | android 8.1 ( oreo ) ; funtouch 4 |
CPU | Octa-core 1.8 GHz cortex-a53 | Octa-core ( 4x1.95 GHz cortex-a53 & 4x1.45 GHz Cortex a53 ) | Octa-core ( 4x2.2 GHz kryo 260 gold & 4x1.8 GHz kryo 260 silver ) |
Chipset | Qualcomm sdm450 snapdragon 450 ( 14 nm ) | Qualcomm sdm439 snapdragon 439 ( 12 nm ) | Qualcomm sdm660 snapdragon 660 ( 14 nm ) |
GPU | adreno 506 | adreno 505 | adreno 512 |
Memory card | microsdxc ( dedicated slot ) | microsdxc | microSD | up to 256 GB ( uses shared sim slot ) |
Memory v1 | 64gb 3gb RAM | 16gb 2gb RAM | 64gb 6gb RAM |
Memory v2 | 64gb 4gb RAM | 128gb 6gb RAM | |
Primary camera | 13 megapixel| Auto focus | 13 megapixel| lens aperture2.2 | phase detection autofocus 2 megapixel| lens aperture2.4 | ( depth ) | 12 megapixel| lens aperture1.8 | 1/2.55 | 1.4µm | Dual Pixel phase detection autofocus 5 megapixel| lens aperture2.4 | depth sensor |
Secondary camera | 5 mega pixel | 8 megapixel| lens aperture2.0 | 12 megapixel| lens aperture2.0 | ( wide ) | 1/2.8 | 1.28µm |
Loud speaker | Yes with stereo speakers | Yes | Yes |
Audio jack | Yes | Yes | Yes |
WLAN | Wi-Fi 802.11 a/b/g/n/ac | dual-band | Wi-Fi Direct | hotspot | Wi-Fi 802.11 b/g/n | Wi-Fi Direct | hotspot | Wi-Fi 802.11 a/b/g/n/ac | dual-band | Wi-Fi Direct | hotspot |
Bluetooth | 4.2 | a2dp | le | 4.2 | a2dp | le | 5.0 | a2dp | le |
GPS | Yes with a-gps | Yes with a-gps glonass bds | Yes with a-gps glonass |
NFC | No | No | |
Radio | FM Radio | FM Radio | FM Radio |
USB | USB Type-C 2.0 | microusb 2.0 | USB on-the-go | microusb 2.0 | USB on-the-go |
Sensors | fingerprint ( rear-mounted ) | accelerometer | proximity | compass | fingerprint ( rear-mounted ) | accelerometer | proximity | compass | fingerprint ( rear-mounted ) | accelerometer | proximity | compass |
Battery | Li-lon 5180 mAh | Non-removable | li-po 4030 mAh | Non-removable | Non-removable Li-lon 3200 mAh battery |
Battery Charge | |||
Colors | black | black color gradations, ocean color color gradations, red | black, white color gradations, red color gradations |
Network technology | gsm / hspa / lte | gsm / hspa / lte | gsm / cdma / hspa / lte |
5G bands | |||
Network speed | hspa 42.2/5.76 mbps lte-a | hspa 42.2/5.76 mbps lte | hspa 42.2/5.76 mbps lte-a (2ca) cat6 300/50 mbps |
GPRS | |||
EDGE | |||
Approx price |
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