Samsung Galaxy A20 Dual SIM vs Samsung Galaxy A3 2017
| 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 |  | IP68 | IP68 | |
| 大小 | 158.40 x 74.70 x 7.80 mm | 135.40 x 66.20 x 7.90 mm | 146.10 x 71.40 x 7.90 mm | 167.70 x 78.00 x 9.10 mm |
| Weight | 169.00 g | 138.00 g | 159.00 g | 201.00 g |
| 显示屏尺寸 | 6.40" | 4.70" | 5.20" | 6.60" |
| Display | 彩色 / Super AMOLED 16M 颜色 720 x 1560 px (6.40") 268 ppi | 彩色 / Super AMOLED 16M 颜色 720 x 1280 px (4.70") 312 ppi | 彩色 / Super AMOLED 16M 颜色 1080 x 1920 px (5.20") 424 ppi | 彩色 / PLS TFT 16M 颜色 90 Hz 1080 x 2408 px (6.60") 399 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: 1560 分钟 (26.0 h) | 3G: 1020 分钟 (17.0 h) | 3G: 960 分钟 (16.0 h) | 4G: 3120 分钟 (52.0 h) |
| 最大播放时间 | Audio: 82 h (3.4 一天) Video: 21 h (0.9 一天) | Audio: 41 h (1.7 一天) Video: 17 h (0.7 一天) | Audio: 53 h (2.2 一天) Video: 19 h (0.8 一天) | Audio: 96 h (4.0 一天) Video: 20 h (0.8 一天) |
| 最大的互联网浏览时间 | WiFi: 13 h (0.5 一天) 3G: 12 h (0.5 一天) 4G: 13 h (0.5 一天) | WiFi: 17 h (0.7 一天) 3G: 12 h (0.5 一天) 4G: 16 h (0.7 一天) | WiFi: 18 h (0.8 一天) 3G: 13 h (0.5 一天) 4G: 16 h (0.7 一天) | WiFi: 21 h (0.9 一天) 4G: 21 h (0.9 一天) |
| 标准电池 | Li-Ion 4000 mAhBuy powerbank | Li-Ion 2350 mAhBuy powerbank | Li-Ion 3000 mAhBuy powerbank | Li-Po 5000 mAhBuy powerbank |
| 快速充电 | | | Fast Charging |  |
| 无线充电 | | | | |
| 手机存储 | 32 GB | 16 GB | 32 GB | 128 GB, 64 GB |
| 最终用户内存 | 21.7 GB | | 23.1 GB | 105 GB |
| 随机存取存储 (RAM) | 3 GB | 2 GB | 3 GB | 6 GB, 4 GB |
| Memory cards | microSD, microSDHC, microSDXC 为 512 GBBuy memory card | microSD, microSDHC, microSDXC 为 256 GBBuy memory card | microSD, microSDHC, microSDXC 为 256 GBBuy memory card | microSD, microSDHC, microSDXC 为 1000 GBBuy memory card |
| Operating system | Android 9.0 Pie | Android 6.0.1 Marshmallow | Android 6.0.1 Marshmallow | Android 13 |
| 接口 | - | - | - | One UI 5.0 |
| 处理器 | Samsung Exynos 7884 | Samsung Exynos 7870 | Samsung Exynos 7880 | - |
| Processor clock | 1600 MHz | 1600 MHz | 1900 MHz | 2000 MHz |
| GPU | - | ARM Mali-T830 MP1 @700 MHz | ARM Mali-T830 MP3 @650 MHz | - |
| Touchscreen | | | | |
| SAR因素 | | 1,38 W/kg | 1,39 W/kg | |
| 双SIM卡 | | | | |
| SIM卡标准 | DualSIM(nanoSIM, nanoSIM) | SingleSIM(nanoSIM) | SingleSIM(nanoSIM) | DualSIM(nanoSIM, nanoSIM) |
| 卡双模式 | dual standby | nd | nd | dual standby |
| 混合双卡双待 | | nd | nd | |
| 发行日期 | 第 1 季 2019 | 第 1 季 2017 | 第 1 季 2017 | 第 1 季 2023 |
| 手机其他名称 | SM-A205F/DS | SM-A320F; SM-A320Y | SM-A520F | SM-A145F |
| GSM frequencies | 850 900 1800 1900 | 850 900 1800 1900 | 850 900 1800 1900 | 850 900 1800 1900 |
| UMTS标准 | 850 900 1900 2100 | 850 900 1900 2100 | 850 900 1900 2100 | 850 900 2100 |
| LTE 标准 | FDD LTE: 2600, 2100, 1800, 900, 850, 800 TDD LTE: 2600, 2500, 2300 | FDD LTE: 2600, 2100, 1800, 900, 850, 800 | FDD LTE: 2600, 2100, 1800, 900, 850, 800 TDD LTE: 2600, 2500, 2300 | FDD LTE: 2600, 2100, 1800, 900, 850, 800, 700 TDD LTE: 2600, 2500, 2300 |
| 5G 标准 | | | | |
| CDMA标准 | | | | |
| TD-SCDMA 标准 | | 1900 2000 | 1900 2000 | |
| UMA标准 | | | | |
相机 - 背面
| 第一台相机 | | | | |
| 相机类型 | | | | 标准镜头 |
| 矩阵 | 13 Mpx | 13 Mpx | 16 Mpx | 50 Mpx |
| Resolution | | 4224x3168 px | 4608x3456 px | |
| 光学变焦 | | | | |
| 数码变焦 | | | | 10x |
| 闪光灯 | LED | LED | LED | LED |
| 双色LED闪光灯 | | | | |
| 视频分辨率 | 1920x1080 px | 1920x1080 px | 1920x1080 px | 1920x1080 px |
| 视频格式 | H.263, H.264, H.264 - 30 fps | H.263, H.264, MPEG4 | H.263, H.264, MPEG4 | H.264, H.265, MPEG4 - 30 fps |
| 额外 | f/1.9 | AF, f/1.9 | AF, f/1.9 | AF, f/1.8 |
| 第二台相机 | | | | |
| 相机类型 | | nd | nd | 广角镜头 |
| 矩阵 | 5 Mpx | nd | nd | 5 Mpx |
| 光学变焦 | | nd | nd | |
| 闪光灯 | LED | nd | nd | LED |
| 双色LED闪光灯 | | nd | nd | |
| 视频格式 | H.263, H.264, H.264 - 30 fps | nd | nd | H.264, H.265, MPEG4 - 30 fps |
| 额外 | f/2.2 | nd | nd | FF, f/2.2 |
| 第三台相机 | | | | |
| 相机类型 | nd | nd | nd | 微距镜头 |
| 矩阵 | nd | nd | nd | 2 Mpx |
| 传感器尺寸 | nd | nd | nd | 1/5 |
| 像素大小 | nd | nd | nd | 1,75 µm |
| Resolution | nd | nd | nd | 1600x1200 px |
| 光学变焦 | nd | nd | nd | |
| 闪光灯 | nd | nd | nd | LED |
| 双色LED闪光灯 | nd | nd | nd | |
| 视频格式 | nd | nd | nd | H.264, H.265, MPEG4 - 30 fps |
| 额外 | nd | nd | nd | FF, f/2.4 |
相机 - 前面
| 第一台相机 | | | | |
| 相机类型 | | | | 人像镜头 |
| 矩阵 | 8 Mpx | 8 Mpx | 16 Mpx | 13 Mpx |
| Resolution | | 3264x2448 px | 4608x3456 px | |
| 光学变焦 | | | | |
| 闪光灯 | | | | |
| 双色LED闪光灯 | | | | |
| 视频分辨率 | | | 1920x1080 px | 1920x1080 px |
| 视频格式 | H.263, H.264, H.264 - 30 fps | H.263, H.264, MPEG4 | H.263, H.264, MPEG4 | H.264, H.265, MPEG4 - 30 fps |
| 额外 | f/2.0 | FF, f/1.9 | FF, f/1.9 | FF, f/2.0 |
传感器
| 加速度计 | | | | |
| 接近传感器 | | | | |
| 光传感器 | | | | |
| 磁力仪 | | | | |
| 陀螺仪 | | | | |
| 晴雨表 | | | | |
| 高度表 | | | | |
| 重力感应器 | | | | |
| 霍尔效应传感器 | | | | |
| 虹膜扫描仪 | | | | |
| 指纹采集仪 | | | | |
| 温度计 | | | | |
| 湿度计 | | | | |
数据传输
| xHTML | | | | |
| WAP | v2.0 | v2.0 | v2.0 | v2.0 |
| HSCSD | | | | |
| HSDPA | | 42.00 Mbit/s | 42.00 Mbit/s | 21.10 Mbit/s |
| HSUPA | | 5.76 Mbit/s | 5.76 Mbit/s | 5.76 Mbit/s |
| HSPA | | | | |
| HSPA+ | | | | |
| LTE DL | | - | - | - |
| LTE UP | | 51.00 Mbit/s | 51.00 Mbit/s | - |
| WIMAX+ | | | | |
| GPRS | | 种类 12 | 种类 12 | |
| EDGE | | | | |
| 蓝牙 | v5.0 | v4.2 | v4.2 | v5.1 |
| A2DP規範 | | | | |
| HDMI | | | | |
| WiFi | v802.11 b/g/n | v802.11 a/b/g/n/ac | v802.11 a/b/g/n/ac | v802.11 a/b/g/n/ac |
| 无线频率 | 2,4 GHz | 2,4 GHz; 5 GHz | 2,4 GHz; 5 GHz | 2,4 GHz; 5 GHz |
| WiFi Direct | | | | |
| WiFi Display | | | | |
| DLNA | | | | |
| Miracast | | | | |
| WiFi 热点 | | | | |
| IrDA | | | | |
| USB | v2.0 Type-C | v2.0 Type-C | v2.0 Type-C | v2.0 Type-C |
| GPS | | | | |
| A-GPS | | | | |
| GLONASS | | | | |
| Beidou | | | | |
| Galileo | | | | |
| QZSS | | | | |
| NFC | | | | |
通讯与讯息
| 呼叫等待 | | | | |
| 视频会议 | | | | |
| 呼叫转移 | | | | |
| 一按通 | | | | |
| 即时通讯 | | | | |
| 短信 | | | | |
| 增强短信 | | | | |
| 多媒体短信 | | | | |
| Dictionary | XT9 | XT9 | XT9 | T9 |
| Swype | | | | |
| 电子邮件用户 | POP3, IMAP4, SMTP | POP3, IMAP4, SMTP | POP3, IMAP4, SMTP | POP3, IMAP4, SMTP |
| QWERTY键盘 | | | | |
| RSS阅读器 | | | | |
多媒体
| Radio | | | | |
| MP3 | | | | |
| 立体声扬声器 | | | | |
| Audio Jack | 3.5 mm | 3.5 mm | 3.5 mm | 3.5 mm |
| HD Voice | | | | |
| 音频格式 | AAC, AAC+, AMR, WAV, eAAC+ | 3GA, AAC, AMR, AWB, FLAC, IMY, M4A, MID, MIDI, MXMF, OGA, OGG, OTA, RTTTL, RTX, WAV, WMA, XMF | 3GA, AAC, AMR, AWB, FLAC, IMY, M4A, MID, MIDI, MXMF, OGA, OGG, OTA, RTTTL, RTX, WAV, WMA, XMF | AAC, AAC+, AMR, AWB, FLAC, IMY, MID, OGA, OGG, OTA, RTX, WAV, XMF, eAAC+ |
| 复调音乐 | | 64 意见 | 64 意见 | |
| 视频钟 | | | | |
| 作曲软件 | | | | |
| 游戏 | | | | |
| Java | ART | ART | ART | ART |
| 视讯电话 | | | | |
| DVB-H电视 | | | | |
| 电视机输口 | | | | |
PIM和附加功能
| 时钟 | | | | |
| 计时器 | | | | |
| 闹钟 | | | | |
| 计算器 | | | | |
| 汇率 | | | | |
| 电子记事本 | | | | |
| 日历 | | | | |
| 飞行模式 | | | | |
| SyncML | | | | |
| 数据与传真机 | | | | |
| 屏幕保护程序 | | | | |
| 主题 | | | | |
| 可交换的外壳 | | | | |
| 语音拨号 | | | | |
| 扬声器 | | | | |
| 录音电话机 | | | | |
| 振动 | | | | |