Google Pixel 4a vs Samsung Galaxy A21s Dual SIM
手机规格 | 触控手机 | 触控手机 | 触控手机 | 触控手机 |
防水性和防尘性 | IP54 | |||
大小 | 144.00 x 69.40 x 8.20 mm | 163.70 x 75.30 x 8.90 mm | 162.00 x 75.50 x 10.50 mm | 160.50 x 76.60 x 9.20 mm |
Weight | 143.00 g | 192.00 g | 225.00 g | 190.00 g |
显示屏尺寸 | 5.81" | 6.50" | 6.30" | 5.95" |
Display | 彩色 / OLED 16M 颜色 60 Hz 1080 x 2340 px (5.81") 444 ppi | 彩色 / IPS TFT 16M 颜色 60 Hz 720 x 1600 px (6.50") 270 ppi | 彩色 / IPS TFT 16M 颜色 60 Hz 1080 x 2340 px (6.30") 427 ppi | 彩色 / IPS TFT 16M 颜色 720 x 1440 px (5.95") 271 ppi |
显示保护 | Corning Gorilla Glass Buy screen protector | Corning Gorilla Glass Buy screen protector | ||
附加显示屏 | ||||
辅助显示保护 | ||||
通话最长时间 | 3G: 1800 分钟 (30.0 h) 4G: 780 分钟 (13.0 h) | |||
待机最长时间 | 4G: 200 钟头 (8.3 一天) | |||
标准电池 | Li-Ion 3140 mAhBuy powerbank | Li-Ion 5000 mAhBuy powerbank | Li-Ion 3905 mAhBuy powerbank | Li-Ion 3000 mAhBuy powerbank |
快速充电 | Quick Charge | Fast Charging | Quick Charge | USB Power Delivery |
无线充电 | ||||
手机存储 | 128 GB | 32 GB, 64 GB | 128 GB, 256 GB | 16 GB, 32 GB |
随机存取存储 (RAM) | 6 GB | 3 GB, 4 GB, 6 GB | 6 GB, 8 GB | 2 GB, 3 GB |
Memory cards | microSD, microSDHC, microSDXC 为 512 GBBuy memory card | microSD, microSDHC, microSDXC 为 2000 GBBuy memory card | microSD, microSDHC, microSDXC 为 2000 GBBuy memory card | |
Operating system | Android 10 | Android 10 | Android 11 | Linux |
接口 | - | One UI 2.0 | - | - |
处理器 | Qualcomm Snapdragon 730G | Samsung Exynos 850 | Qualcomm Snapdragon 750G SM7225 | Allwinner A64 |
Processor clock | 2200 MHz | 2000 MHz | 2200 MHz | 1152 MHz |
GPU | Adreno 618 | - | Adreno 619 | ARM Mali-400 MP2 |
Touchscreen | ||||
SAR因素 | 0,993 W/kg | |||
双SIM卡 | ||||
SIM卡标准 | SingleSIM(nanoSIM) | DualSIM(nanoSIM, nanoSIM) | DualSIM(eSIM, nanoSIM) | SingleSIM(microSIM) |
卡双模式 | nd | dual standby | dual standby | nd |
混合双卡双待 | nd | nd | ||
发行日期 | 第 1 季 2020 | 第 2 季 2020 | 第 4 季 2021 | |
手机其他名称 | - | SM-A217F/DS; SM-A217F/DSN; SM-A217M/DS | - | - |
GSM frequencies | 850 900 1800 1900 | 850 900 1800 1900 | 850 900 1800 1900 | 850 900 1800 1900 |
UMTS标准 | 850 900 1700 1900 2100 | 850 900 1700 1900 2100 | 850 900 1700 1900 2100 | 850 900 1700 1900 2100 |
LTE 标准 | FDD LTE: 2600, 2300, 2100, 1900, 1800, 1700, 900, 850, 800, 700 TDD LTE: 5200, 3600, 2600, 2500, 2300, 1900, 1700, 600 | FDD LTE: 2600, 2300, 1900, 1800, 1700, 850, 800, 700 | FDD LTE: 2600, 2100, 1900, 1800, 1700, 900, 850, 800, 600 TDD LTE: 2600, 2500, 2300, 2100 | FDD LTE: 2600, 2100, 1900, 1800, 1700, 900, 850, 800, 700 TDD LTE: 2600, 2500, 2300, 1900 |
5G 标准 | FDD 5G: 2600, 2100, 1800, 900, 850, 800, 700, 600 TDD 5G: 3700, 3500, 2600, 2500 | |||
CDMA标准 | ||||
TD-SCDMA 标准 | ||||
UMA标准 |