Oppo A31 2020 vs Redmi 8
Type | Touch | Touch | Touch | Touch |
Dimensions | 163.90 x 75.50 x 8.30 mm | 156.48 x 75.41 x 9.40 mm | 156.28 x 73.50 x 8.00 mm | 165.70 x 76.40 x 8.20 mm |
Weight | 180.00 g | 188.00 g | 150.00 g | 191.70 g |
Display size | 6.50" | 6.22" | 6.09" | 6.50" |
Display | Color / IPS TFT 16M colors 720 x 1600 px (6.50") 270 ppi | Color / IPS TFT 16M colors 720 x 1520 px (6.22") 270 ppi | Color / IPS TFT 16M colors 720 x 1560 px (6.09") 282 ppi | Color / IPS TFT 16M colors 720 x 1600 px (6.50") 270 ppi |
Display protection | Corning Gorilla Glass Buy screen protector
| |||
Additional display | ||||
Protection of the secondary display | ||||
Talk time (max.) | 3G: 480 min. (8.0 h) | |||
Stand-by (max.) | 3G: 100 h. (4.2 days) | |||
Standard battery | Li-Ion 4230 mAhBuy powerbank
| Li-Po 5000 mAhBuy powerbank
| Li-Po 3020 mAhBuy powerbank
| Li-Ion 4000 mAhBuy powerbank
|
Quick battery charging | Quick Charge 3.0 | |||
Wireless battery charging | ||||
Internal memory | 64 GB, 128 GB | 32 GB, 64 GB | 32 GB, 64 GB | 32 GB |
End-user memory | 20.2 GB | |||
RAM memory | 4 GB, 6 GB | 3 GB, 4 GB | 3 GB | 3 GB |
Memory cards | microSD, microSDHC, microSDXC up to 256 GBBuy memory card | microSD, microSDHC, microSDXC up to 512 GBBuy memory card | microSD, microSDHC, microSDXC up to 512 GBBuy memory card | microSD, microSDHC, microSDXC up to 2000 GBBuy memory card |
Operating system | Android 9.0 Pie | Android 9.0 Pie | Android 9.0 Pie | Android 10 |
Interface | ColorOS 6.1 | MIUI 10 | EMUI 9.1 | - |
Processor | MediaTek Helio P35 MT6765 | Qualcomm Snapdragon 439 | MediaTek Helio P35 MT6765 | MediaTek Helio A25 MT6762D |
Processor clock | 2300 MHz | 1950 MHz | 2300 MHz | 2000 MHz |
GPU | PowerVR GE8320 @680 MHz | Adreno 505 | PowerVR GE8320 @680 MHz | ARM Mali-T880 MP2 |
Touchscreen | ||||
SAR (10g) | 1,17 W/kg | 1,000 W/kg | ||
DualSIM | ||||
SIM cards standard | DualSIM(nanoSIM, nanoSIM) | DualSIM(nanoSIM, nanoSIM) | DualSIM(nanoSIM, nanoSIM) | DualSIM(nanoSIM, nanoSIM) |
DualSIM mode | dual standby | dual standby | dual standby | dual standby |
Hybrid DualSIM | ||||
Announced | 1Q 2020 | 4Q 2019 | 4Q 2019 | 1Q 2020 |
Other names | CPH2015 | MZB9123IN; MZB07R9IN; MZB8257IN; Xiaomi Redmi 8 | JAT-LX1; JAT-LX3; JAT-L29; JAT-L41 | LMK410EMW; LMK410HM |
GSM frequencies | 850 900 1800 1900 | 850 900 1800 1900 | 850 900 1800 1900 | 850 900 1800 1900 |
UMTS | 850 900 2100 | 850 900 1900 2100 | 850 900 1700 1900 2100 | 850 900 1900 2100 |
LTE standard | FDD LTE: 2100, 1800, 900, 850 TDD LTE: 2500, 2300 | FDD LTE: 2600, 2100, 1800, 900, 800 TDD LTE: 2600 | ||
Standard 5G | ||||
CDMA | ||||
Standard TD-SCDMA | 1900 2000 | |||
UMA |