Compare Devices
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Brand | oppo | samsung | zte |
Model | oppo a55 | samsung galaxy a21s | zte blade a7p |
Announced | 2021 October 01 | 2020 May 15 | 2021 December |
Status | Available. Released 2021 October 01 | Available. Released 2020 June 02 | Available. Released 2021 December |
Device Body | glass front | plastic frame | plastic back | ||
Dimensions | 163.6 x 75.7 x 8.4 mm ( 6.44 x 2.98 x 0.33 in ) | 163.7 x 75.3 x 8.9 mm ( 6.44 x 2.96 x 0.35 in ) | 165.2 x 75.2 x 8.3 mm ( 6.50 x 2.96 x 0.33 in ) |
Weight in gram | 193 | 192 | 170 |
SIM card | dual SIM ( Nano-SIM | dual stand-by ) | single SIM ( Nano-SIM ) or dual SIM ( Nano-SIM | dual stand-by ) | Nano-SIM |
Water Resistance | No | No | No |
Display type | IPS LCD | 480 Luminance units ( typ ) | 550 Luminance units ( the peak ) | pls LCD | IPS LCD |
Display resolution | 720 x 1600 pixels | 20 : 9 ratio ( ~270 pixel per inch density ) | 720 x 1600 pixels | 20 : 9 ratio ( ~270 pixel per inch density ) | 720 x 1600 pixels | 20 : 9 ratio ( ~269 pixel per inch density ) |
Display size | 6.51 inches | 102.3 cm2 ( ~82.6% screen to body ratio ) | 6.5 inches | 102.0 cm2 ( ~82.8% screen to body ratio ) | 6.52 inches | 102.6 cm2 ( ~82.6% screen to body ratio ) |
Display Protection | neg t2x-1 | ||
Operating System | android 11 | coloros 11.1 | android 10 | upgradable to android 12 | one ui 4.1 | android 11 |
CPU | Octa-core ( 4x2.3 GHz cortex-a53 & 4x1.8 GHz cortex-a53 ) | Octa-core ( 4x2.0 GHz cortex-a55 & 4x2.0 GHz cortex-a55 ) | Octa-core 1.8 GHz cortex-a53 |
Chipset | mediatek mt6765g helio g35 ( 12 nm ) | exynos 850 ( 8nm ) | mediatek mt6762d helio p22 ( 12 nm ) |
GPU | powervr ge8320 | mali-g52 | powervr ge8320 |
Memory card | microsdxc ( dedicated slot ) | microsdxc ( dedicated slot ) | microsdxc ( dedicated slot ) |
Memory v1 | 64gb 4gb RAM | 32gb 2gb RAM | 32gb 3gb RAM |
Memory v2 | 128gb 4gb RAM | 128gb 6gb RAM | 32gb 3gb RAM | 32gb 4gb RAM | 64gb 3gb RAM | 64gb 4gb RAM | 64gb 6gb RAM | 128gb 3gb RAM | 128gb 4gb RAM | 128gb 6gb RAM | |
Primary camera | 50 megapixel| lens aperture1.8 26mm ( wide ) | phase detection autofocus 2 megapixel| lens aperture2.4 | ( macro ) 2 megapixel| lens aperture2.4 | ( depth ) | 48 megapixel| lens aperture2.0 | 26mm ( wide ) | 1/2.0" | 0.8µm | phase detection autofocus 8 megapixel| lens aperture2.2 | 123˚ ( ultrawide ) | 1/4.0" | 1.12µm 2 megapixel| lens aperture2.4 | ( macro ) 2 megapixel| lens aperture2.4 | ( depth ) | 13 megapixel-- 2 mega pixel |
Secondary camera | 16 megapixel| lens aperture2.0 | 26mm ( wide ) | 13 megapixel| lens aperture2.2 | ( wide ) | 1/3.1" | 1.12µm | 5 mega pixel |
Loud speaker | Yes | Yes | Yes |
Audio jack | Yes | Yes | No |
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 b/g/n |
Bluetooth | 5.0 | a2dp | le | aptx | 5.0 | a2dp | le | 5.0 | a2dp |
GPS | |||
NFC | Yes ( market/region dependent ) | Yes ( market/region dependent ) | No |
Radio | No | FM Radio | rds | recording | No |
USB | USB Type-C 2.0 | otg | USB Type-C 2.0 | USB Type-C |
Sensors | fingerprint ( side-mounted ) | accelerometer | proximity | compass | fingerprint ( rear-mounted ) | accelerometer | gyroscope | proximity | compass | fingerprint ( rear-mounted ) | accelerometer | proximity |
Battery | li-po 5000 mAh | Non-removable | li-po 5000 mAh | Non-removable | Li-lon 3200 mAh | Non-removable |
Battery Charge | 18w wired | 15w wired | wired |
Colors | blue color gradations, black color gradations, green | black, white, blue, red | blue |
Network technology | gsm / hspa / lte | gsm / hspa / lte | gsm / hspa / lte |
5G bands | |||
Network speed | hspa lte-a | hspa lte-a | hspa 42.2/5.76 mbps lte cat4 150/50 mbps |
GPRS | |||
EDGE | |||
Approx price |
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400 GBP
486 EUR
4690 NOK
5000 SEK
30200 RUB
490 USD
2550 BRL
700 AUD
630000 KRW
65000 JPY
670 SGD
2150 MYR
1770 AED
8100 ZAR
