Samsung Galaxy A8 vs Redmi 9C NFC
| 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, IP69K |
| 大小 | 158.00 x 76.80 x 5.90 mm | 164.90 x 77.07 x 9.00 mm | 157.50 x 75.00 x 10.40 mm | 173.00 x 81.00 x 13.00 mm |
| Weight | 151.00 g | 196.00 g | 210.00 g | 318.00 g |
| 显示屏尺寸 | 5.70" | 6.53" | 6.30" | 6.49" |
| Display | 彩色 / Super AMOLED 16M 颜色 1080 x 1920 px (5.70") 386 ppi | 彩色 / IPS TFT 16M 颜色 720 x 1600 px (6.53") 263 ppi | 彩色 / IPS TFT 16M 颜色 60 Hz 1080 x 2340 px (6.30") 409 ppi | 彩色 / IPS TFT 16,7M 颜色 1080 x 2400 px (6.49") 406 ppi |
| 显示保护 | 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: 1500 分钟 (25.0 h) | |
| 待机最长时间 | | | 3G: 160 钟头 (6.7 一天) | |
| 标准电池 | Li-Ion 3050 mAhBuy powerbank | Li-Ion 5000 mAhBuy powerbank | Li-Po 4500 mAhBuy powerbank | Li-Ion 6000 mAhBuy powerbank |
| 快速充电 | | | Pump Express | |
| 无线充电 | | | Qi |  |
| 手机存储 | 16 GB, 32 GB | 32 GB, 64 GB | 128 GB | 128 GB |
| 随机存取存储 (RAM) | 2 GB | 2 GB, 4 GB, 3 GB | 6 GB | 6 GB |
| Memory cards | microSD, microSDHC, microSDXC 为 128 GBBuy memory card | microSD, microSDHC, microSDXC 为 512 GBBuy memory card | microSD, microSDHC, microSDXC 为 512 GBBuy memory card | microSD, microSDHC, microSDXC 为 256 GBBuy memory card |
| Operating system | Android 5.1 Lollipop | Android 10 | Android 11 | Android 13 |
| 接口 | TouchWiz | - | - | - |
| 处理器 | Qualcomm Snapdragon 615 8939 | MediaTek Helio G35 MT6765G | MediaTek Helio G85 MT6769V | MediaTek Helio G85 MT6769V |
| Processor clock | 1500 MHz | 2300 MHz | 2000 MHz | 2000 MHz |
| GPU | Adreno 405 | PoverVR GE8320 @680 MHz | ARM Mali-G52 MC2 @1 GHz | ARM Mali-G52 MC2 @1 GHz |
| Touchscreen | | | | |
| SAR因素 | | | | 1,502 W/kg |
| 双SIM卡 | | | | |
| SIM卡标准 | | DualSIM(nanoSIM, nanoSIM) | DualSIM(nanoSIM, nanoSIM) | DualSIM(nanoSIM, nanoSIM) |
| 卡双模式 | | dual standby | dual standby | dual standby |
| 混合双卡双待 | | | | nanoSIM, microSD |
| 发行日期 | 第 3 季 2015 | 第 3 季 2020 | 第 2 季 2022 | 第 4 季 2023 |
| 手机其他名称 | SM-A800F | M2006C3MG; Xiaomi Redmi 9C NFC | - | KM05002 |
| 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 1700 1900 | 900 2100 | 850 900 1900 2100 |
| LTE 标准 | FDD LTE: 2100, 1800 TDD LTE: 2600, 2500, 2300, 1900 | FDD LTE: 2600, 2100, 1900, 1800, 1700, 900, 850, 800, 700 TDD LTE: 2600, 2500, 2300 | FDD LTE: 2600, 2100, 1800, 900, 850, 800, 700 TDD LTE: 2600, 2300 | |
| 5G 标准 | | | | |
| CDMA标准 | 850 | | | |
| TD-SCDMA 标准 | 1900 2000 | | | |
| UMA标准 | | | | |
相机 - 背面
| 第一台相机 | | | | |
| 相机类型 | | 标准镜头 | 标准镜头 | 标准镜头 |
| 矩阵 | 16 Mpx | 13 Mpx | 48 Mpx | 108 Mpx |
| Resolution | 5312x2988 px | | | |
| 光学变焦 | | | | |
| 视场 | | 75 ° | | |
| 闪光灯 | LED | LED | LED | LED |
| 双色LED闪光灯 | | | | |
| 视频分辨率 | 1920x1080 px | 1920x1080 px | 2560x1440 px | |
| 视频格式 | MPEG4, H.263, H.264, H.265 - 30 fps | H.264, MPEG4 - 30 fps | H.263, H.264, MPEG4 | H.264, H.265, MPEG4 |
| 额外 | AF | AF, f/2.2 | AF, f/1.8 | AF |
| 第二台相机 | | | | |
| 相机类型 | nd | 景深 | 广角镜头 | 广角镜头 |
| 矩阵 | nd | 2 Mpx | 8 Mpx | 8 Mpx |
| 光学变焦 | nd | | | |
| 闪光灯 | nd | LED | LED | LED |
| 双色LED闪光灯 | nd | | | |
| 视频格式 | nd | H.264, MPEG4 - 30 fps | H.263, H.264, MPEG4 | |
| 额外 | nd | FF, f/2.4 | FF, f/2.2 | FF |
| 第三台相机 | | | | |
| 相机类型 | nd | 人像镜头 | 人像镜头 | |
| 矩阵 | nd | 5 Mpx | 16 Mpx | 8 Mpx |
| 像素大小 | nd | 1,12 µm | | |
| 光学变焦 | nd | | | |
| 视场 | nd | 78 ° | | |
| 闪光灯 | nd | | LED | LED |
| 双色LED闪光灯 | nd | | | |
| 视频格式 | nd | H.264, MPEG4 - 30 fps | H.263, H.264, MPEG4 | |
| 额外 | nd | FF, f/2.2 | FF, f/2.0 | FF |
相机 - 前面
| 第一台相机 | | | | |
| 相机类型 | | nd | nd | 人像镜头 |
| 矩阵 | 5 Mpx | nd | nd | 8 Mpx |
| Resolution | 2592x1944 px | nd | nd | |
| 光学变焦 | | nd | nd | |
| 闪光灯 | | nd | nd | |
| 双色LED闪光灯 | | nd | nd | |
| 视频格式 | MPEG4, H.263, H.264, H.265 - 30 fps | nd | nd | |
| 额外 | - | nd | nd | FF |
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 | 42.20 Mbit/s | 42.20 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 | - | - | |
| WIMAX+ | | | | |
| GPRS | | | | |
| EDGE | | | | |
| 蓝牙 | v4.1 | v5.1 | v5.0 | v5.0 |
| A2DP規範 | | | | |
| HDMI | | | | |
| WiFi | v802.11 a/b/g/n | v802.11 b/g/n | v802.11 a/b/g/n/ac | v802.11 a/b/g/n/ac |
| 无线频率 | 2,4 GHz | 2,4 GHz | 2,4 GHz; 5 GHz | 2,4 GHz |
| WiFi Direct | | | | |
| WiFi Display | | | | |
| DLNA | | | | |
| Miracast | | | | |
| WiFi 热点 | | | | |
| IrDA | | | | |
| USB | v2.0 | v2.0 | 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 | T9 | T9 | 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+ | AAC, AAC+, AMR, MID, WAV, eAAC+ | AAC, AAC+, AMR, MID, WAV, eAAC+ | AAC, AAC+, AMR, MID, WAV, eAAC+ |
| 复调音乐 | | | | |
| 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 | | | | |