Redmi 9AT vs Realme C21Y
| 手机规格 | 触控手机 | 触控手机 | 触控手机 | 触控手机 |
| 大小 | 164.90 x 77.07 x 9.00 mm | 164.50 x 76.00 x 9.10 mm | 155.40 x 73.50 x 9.50 mm | - |
| Weight | 196.00 g | 194.00 g | 156.00 g | |
| 显示屏尺寸 | 6.53" | 6.50" | 6.09" | 6.60" |
| Display | 彩色 / IPS TFT 16M 颜色 720 x 1600 px (6.53") 263 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 720 x 1560 px (6.09") 282 ppi | 彩色 / IPS TFT 16M 颜色 60 Hz 720 x 1612 px (6.60") 267 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 | 2G: 2280 分钟 (38.0 h) | |||
| 待机最长时间 | 4G: 816 钟头 (34.0 一天) | |||
| 最大播放时间 | Audio: 168 h (7.0 一天) Video: 19 h (0.8 一天) | nd | nd | nd |
| 标准电池 | Li-Ion 5000 mAhBuy powerbank | Li-Po 5000 mAhBuy powerbank | Li-Ion 3380 mAhBuy powerbank | Li-Ion 5000 mAhBuy powerbank |
| 快速充电 | ||||
| 无线充电 | ||||
| 手机存储 | 32 GB | 32 GB, 64 GB | 32 GB | 64 GB |
| 最终用户内存 | 44 GB | |||
| 随机存取存储 (RAM) | 2 GB, 3 GB | 3 GB, 4 GB | 2 GB | 2 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 128 GBBuy memory card | microSD, microSDHC, microSDXC 为 256 GBBuy memory card |
| Operating system | Android | Android 11 | Android 11 Go | Android 13 |
| 接口 | - | realme UI | - | MyOS 13 |
| 处理器 | MediaTek Helio G25 MT6762V | Unisoc Tiger T610 UMS512 | Unisoc SC9863A | Unisoc SC9863A |
| Processor clock | 2000 MHz | 1800 MHz | 1600 MHz | 1600 MHz |
| GPU | PowerVR GE8320 @650 MHz | ARM Mali G52 MP2 @614 MHz | IMG8322 @550 MHz | IMG8322 @550 MHz |
| Touchscreen | ||||
| 双SIM卡 | ||||
| SIM卡标准 | DualSIM(nanoSIM, nanoSIM) | DualSIM(nanoSIM, nanoSIM) | DualSIM(nanoSIM, nanoSIM) | DualSIM(nanoSIM, nanoSIM) |
| 卡双模式 | dual standby | dual standby | dual standby | dual standby |
| 混合双卡双待 | ||||
| 发行日期 | 第 3 季 2020 | 第 2 季 2021 | 第 4 季 2023 | |
| 手机其他名称 | M2006C3LVG; Dandelion; Xiaomi Redmi 9AT | RMX3261; RMX3263 | - | - |
| 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 | 850 900 2100 | 900 2100 | 850 900 2100 |
| LTE 标准 | 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, 2500, 2300 | FDD LTE: 2600, 2100, 1800, 900, 800 TDD LTE: 2300 | FDD LTE: 2700, 2100, 1800, 900, 850, 700 TDD LTE: 2300 |
| 5G 标准 | ||||
| CDMA标准 | ||||
| TD-SCDMA 标准 | ||||
| UMA标准 |



