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日本語 Compare Devices
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| remove from compare | remove from compare | remove from compare | |
Brand | oppo | vivo | samsung |
Model | oppo a9x | vivo z1x | samsung galaxy m31 |
Announced | 2019 May | 2019 September | 2020 February 25 |
Status | Available. Released 2019 May | Available. Released 2019 September | Available. Released 2020 March 05 |
Device Body | glass front | plastic back | plastic frame | glass front ( gorilla glass 3 ) | plastic back | plastic frame | |
Dimensions | 162 x 76.1 x 8.3 mm ( 6.38 x 3.00 x 0.33 in ) | 159.5 x 75.2 x 8.1 mm ( 6.28 x 2.96 x 0.32 in ) | 159.2 x 75.1 x 8.9 mm ( 6.27 x 2.96 x 0.35 in ) |
Weight in gram | 190 | 189.6 | 191 |
SIM card | Hybrid 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 | Super AMOLED | Super AMOLED | 420 Luminance units ( the peak ) |
Display resolution | 1080 x 2340 pixels | 19.5 : 9 ratio ( ~395 pixel per inch density ) | 1080 x 2340 pixels | 19.5 : 9 ratio ( ~404 pixel per inch density ) | 1080 x 2340 pixels | 19.5 : 9 ratio ( ~403 pixel per inch density ) |
Display size | 6.53 inches | 104.7 cm2 ( ~84.9% screen to body ratio ) | 6.38 inches | 99.9 cm2 ( ~83.3% screen to body ratio ) | 6.4 inches | 100.5 cm2 ( ~84.1% screen to body ratio ) |
Display Protection | corning gorilla glass 5 | corning gorilla glass 3 | |
Operating System | android 9.0 ( pie ) | coloros 6 | android 9.0 ( pie ) | upgradable to android 10 | funtouch 10 | android 10 | upgradable to android 12 | one ui 4.1 |
CPU | Octa-core ( 4x2.1 GHz cortex-a73 & 4x2.0 GHz cortex-a53 ) | Octa-core ( 2x2.3 GHz kryo 360 gold & 6x1.7 GHz kryo 360 silver ) | Octa-core ( 4x2.3 GHz cortex-a73 & 4x1.7 GHz cortex-a53 ) |
Chipset | mediatek mt6771v helio p70 ( 12nm ) | Qualcomm sdm712 snapdragon 712 ( 10 nm ) | exynos 9611 ( 10nm ) |
GPU | mali-g72 mp3 | adreno 616 | mali-g72 mp3 |
Memory card | No | microsdxc ( dedicated slot ) | |
Memory v1 | 128gb 6gb RAM | 64gb 6gb RAM | 64gb 6gb RAM |
Memory v2 | 128gb 4gb RAM | 128gb 6gb RAM | 128gb 8gb RAM | 128gb 6gb RAM | 128gb 8gb RAM | |
Primary camera | 48 megapixel| lens aperture1.7 | ( wide ) | 1/2.0" | 0.8µm | phase detection autofocus 2 megapixel| lens aperture2.4 | ( depth ) | 48 megapixel| lens aperture1.8 | ( wide ) | 1/2.0" | 0.8µm | phase detection autofocus 8 megapixel| lens aperture2.2 | 13mm ( ultrawide ) 2 megapixel| lens aperture2.4 | ( depth ) | 64 megapixel| lens aperture1.8 | 26mm ( wide ) | 1/1.72" | 0.8µm | phase detection autofocus 8 megapixel| lens aperture2.2 | 123˚ ( ultrawide ) | 1/4.0" | 1.12µm 5 megapixel| lens aperture2.4 | ( macro ) -- |
Secondary camera | 16 megapixel| lens aperture2.0 | 26mm ( wide ) | 1/3.06" | 1.0µm | 32 megapixel| lens aperture2.0 | 26mm ( wide ) | 1/2.8" | 0.8µm | 32 megapixel| lens aperture2.0 | 26mm ( wide ) | 1/2.8" | 0.8µm |
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 | hotspot | Wi-Fi 802.11 a/b/g/n/ac | dual-band | Wi-Fi Direct | hotspot | Wi-Fi 802.11 a/b/g/n/ac | dual-band | Wi-Fi Direct |
Bluetooth | 4.2 | a2dp | le | 5.0 | a2dp | le | aptx | 5.0 | a2dp | le |
GPS | Yes with a-gps glonass bds | Yes with a-gps glonass | |
NFC | Yes | No | Yes ( market/region dependent ) |
Radio | FM Radio | FM Radio | FM Radio | rds | recording |
USB | microusb 2.0 | USB on-the-go | USB Type-C 2.0 | USB on-the-go | USB Type-C 2.0 |
Sensors | fingerprint ( rear-mounted ) | accelerometer | gyroscope | proximity | compass | fingerprint ( under display | optical ) | accelerometer | proximity | compass | fingerprint ( rear-mounted ) | accelerometer | gyroscope | compass |
Battery | li-po 4020 mAh | Non-removable | li-po 4500 mAh | Non-removable | li-po 6000 mAh | Non-removable |
Battery Charge | Fast charging 20w | vooc 3.0 | Fast charging 22.5w | reverse charging | 15w wired |
Colors | black color gradations, white color gradations | blue color gradations, purple color gradations | ocean color color gradations, black color gradations, red |
Network technology | gsm / cdma / hspa / lte | gsm / hspa / lte | gsm / hspa / lte |
5G bands | |||
Network speed | hspa 42.2/5.76 mbps lte-a | hspa 42.2/5.76 mbps lte-a | hspa lte-a |
GPRS | |||
EDGE | |||
Approx price |
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220 GBP
270 EUR
2570 NOK
2700 SEK
16600 RUB
270 USD
1400 BRL
380 AUD
350000 KRW
36000 JPY
370 SGD
1180 MYR
970 AED
4500 ZAR