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日本語 Compare Devices
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Brand | vivo | realme | oppo |
Model | vivo y81i | realme pad 3 | oppo pad 4 pro |
Announced | 2018 October | 2026 January 06 | 2025 April 10 |
Status | Available. Released 2018 November | Available. Released 2026 January 12 | Available. Released 2025 April 10 |
Device Body | glass front | aluminum frame | aluminum back | ||
Dimensions | 155.1 x 75 x 7.8 mm ( 6.11 x 2.95 x 0.31 in ) | 255.6 x 187 x 6.6 mm ( 10.06 x 7.36 x 0.26 in ) | 289.6 x 209.7 x 6 mm ( 11.40 x 8.26 x 0.24 in ) |
Weight in gram | 143 | 578 | 675 |
SIM card | dual SIM ( Nano-SIM | dual stand-by ) | Nano-SIM ( cellular model only ) | No |
Water Resistance | No | No | |
Display type | IPS LCD | IPS LCD | 1b colors | 120hz | 550 Luminance units ( hbmillion) | IPS LCD | 68b colors | dolby vision | 144hz | 900 Luminance units ( hbmillion) |
Display resolution | 720 x 1520 pixels | 19 : 9 ratio ( ~270 pixel per inch density ) | 2000 x 2800 pixels ( ~297 pixel per inch density ) | 2400 x 3392 pixels ( ~315 pixel per inch density ) |
Display size | 6.22 inches | 96.6 cm2 ( ~83.0% screen to body ratio ) | 11.6 inches | 410.6 cm2 ( ~85.9% screen to body ratio ) | 13.2 inches | 530.0 cm2 ( ~87.3% screen to body ratio ) |
Display Protection | |||
Operating System | android 8.1 ( oreo ) | funtouch 4 | android 16 | realme ui 7.0 | android 15 | coloros 15 |
CPU | Quad-core 2.0 GHz cortex-a53 | Octa-core ( 4x2.5 GHz cortex-a78 & 4x2.0 GHz cortex-a55 ) | Octa-core ( 2x4.32 GHz oryon v2 phoenix l + 6x3.53 GHz oryon v2 phoenix m ) |
Chipset | mediatek mt6761 helio a22 ( 12 nm ) | mediatek dimensity 7300 max ( 4 nm ) | Qualcomm sm8750-ab snapdragon 8 elite ( 3 nm ) |
GPU | powervr ge8320 | mali-g615 mc2 | adreno 830 |
Memory card | microsdxc ( dedicated slot ) | microsdxc ( dedicated slot ) | No |
Memory v1 | 16gb 2gb RAM | 128gb 8gb RAM | 256gb 8gb RAM |
Memory v2 | 256gb 8gb RAM | 256gb 12gb RAM | 512gb 12gb RAM | 512gb 16gb RAM | |
Primary camera | 13 megapixel| lens aperture2.2 | phase detection autofocus | 8 megapixel| lens aperture2.0 | ( wide ) | Auto focus | 13 mega pixel |
Secondary camera | 5 megapixel| lens aperture2.2 | 8 megapixel| lens aperture2.0 | ( wide ) | 8 mega pixel |
Loud speaker | Yes | Yes with stereo speakers ( 4 speakers ) | Yes with stereo speakers ( 4 speakers ) |
Audio jack | Yes | No | No |
WLAN | Wi-Fi 802.11 b/g/n | Wi-Fi Direct | hotspot | Wi-Fi 802.11 a/b/g/n/ac | dual-band | Wi-Fi 802.11 a/b/g/n/ac/6/7 | dual-band |
Bluetooth | 5.0 | a2dp | le | 5.4 | a2dp | le | 5.4 | a2dp | le |
GPS | Yes with a-gps glonass bds | ||
NFC | No | No | No |
Radio | FM Radio | No | No |
USB | microusb 2.0 | USB on-the-go | USB Type-C 2.0 | USB Type-C 3.2 | otg | accessory connector |
Sensors | accelerometer | proximity | compass | fingerprint ( side-mounted ) | accelerometer | compass | proximity ( accessories only ) | accelerometer | proximity ( accessories only ) | gyroscope | compass |
Battery | li-po 3260 mAh | Non-removable | si/c Li-lon 12200 mAh | 12140 mAh |
Battery Charge | 45w wired | 6.5w reverse wired | 67w wired | |
Colors | black, red | gold color gradations, grey color gradations | gray, silver, gold |
Network technology | gsm / hspa / lte | gsm / hspa / lte / 5g | No cellular connectivity |
5G bands | 1 | 3 | 5 | 8 | 28 | 40 | 41 sa/nsa - cellular model only | ||
Network speed | hspa 21.1/5.76 mbps lte-a (2ca) cat7 300/150 mbps | hspa lte 5g - cellular model only | |
GPRS | No | ||
EDGE | No | ||
Approx price |
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110 GBP
133 EUR
1290 NOK
1400 SEK
8300 RUB
140 USD
700 BRL
190 AUD
180000 KRW
18000 JPY
190 SGD
590 MYR
490 AED
2300 ZAR