Realme C21Y (4GB RAM + 64GB) has better RAM than Xiaomi Redmi 7A (2GB RAM + 32GB). In terms of display resolution, Realme C21Y (4GB RAM + 64GB) has better resolution of 1600 x 720 than Xiaomi Redmi 7A (2GB RAM + 32GB) which has resolution of 1440 x 720. Realme C21Y (4GB RAM + 64GB) has more internal memory than Xiaomi Redmi 7A (2GB RAM + 32GB)
| Name | Xiaomi Redmi 7A (2GB RAM + 32GB) | Realme C21Y (4GB RAM + 64GB) |
| RAM | 2 GB | 4 GB |
|---|---|---|
| Display | 5.45 in | 6.5 in |
| Internal Memory | 32 GB | 64 GB |
| Battery | 4000 mAh | 5000 mAh |
| Camera | 12 MP | 13 MP + 2 MP + 2 MP Triple |
| Price | Rs. 6990 | Rs. 8499 |
The launch Date of the first phone is July 4, 2019. The cost of Xiaomi Redmi 7A (2GB RAM + 32GB) is Rs. 6990. The launch Date of the second phone is August 23, 2021. The cost of Realme C21Y (4GB RAM + 64GB) is Rs. 8499.
Xiaomi Redmi 7A (2GB RAM + 32GB) has screen size of 5.45 inches which falls short to Realme C21Y (4GB RAM + 64GB)'s 6.5 inch screen. Xiaomi Redmi 7A (2GB RAM + 32GB) has Screen type where as Realme C21Y (4GB RAM + 64GB) has IPS LCD Screen type. Xiaomi's phone has display density of 295 PPI & Realme's phone has only 269 PPI display density. In terms of screen to body ratio, Realme's phone has better screen to body ratio of ~ 88.7% than Xiaomi's phone ~ 74.4%. Xiaomi Redmi 7A (2GB RAM + 32GB) has 18:9 aspect ratio where as Realme C21Y (4GB RAM + 64GB) has 20:9 aspect ratio.
Realme C21Y (4GB RAM + 64GB)'s larger 4 GB RAM is better for playing games and all with respect to Xiaomi Redmi 7A (2GB RAM + 32GB)'s lower 2 GB RAM. Realme C21Y (4GB RAM + 64GB) has more Internal Memory (64 GB) than Xiaomi Redmi 7A (2GB RAM + 32GB) (32 GB).
Realme C21Y (4GB RAM + 64GB)'s 13 MP + 2 MP + 2 MP Triple Rear Camera outshines Xiaomi Redmi 7A (2GB RAM + 32GB)'s 12 MP Rear Camera in terms of resolution. Both of them stand equal in terms of Front Camera Resolution as both have 5 MP Front Camera.
Both the phones has Android Operating System but the first one runs on version 9.0 and the second one on 11 version.
| Name | Xiaomi Redmi 7A (2GB RAM + 32GB) | Realme C21Y (4GB RAM + 64GB) |
| General | ||
| Model | Redmi 7A | C21Y |
| Sim Type | Dual Sim, GSM+GSM | Dual Sim, GSM+GSM |
| Dual Sim | Yes | Yes |
| Sim Size | Nano+Nano SIM | Nano+Nano SIM |
| Device Type | Smartphone | Smartphone |
| Release Date | July 4, 2019 | August 23, 2021 |
| Design | ||
| Dimensions | 70.4 x 146.3 x 9.6 mm | 76 x 164.5 x 9.1 mm |
| Weight | 165 g | 200 g |
| Display | ||
| Type | Color TFT IPS (16M Colors) | Color IPS LCD Screen (16.7M) |
| Touch | Yes | Yes |
| Size | 5.45 inches, 720 x 1440 pixels | 6.5 inches, 720 x 1600 pixels, 60 Hz |
| Aspect Ratio | 18:9 | 20:9 |
| PPI | ~ 295 PPI | ~ 269 PPI |
| Screen to Body Ratio | ~ 74.4% | ~ 88.7% |
| Features | Sunlight Screen Support, COG Sealing Process | |
| Notch | No | Yes, Water Drop Notch |
| Memory | ||
| RAM | 2 GB | 4 GB |
| Storage | 32 GB | 64 GB |
| Card Slot | Yes, upto 256 GB | Yes, upto 256 GB |
| Connectivity | ||
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| VoLTE | Yes | Yes, Dual Stand-By |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Bluetooth | Yes, v4.2 | Yes, v5.0 |
| USB | Yes, microUSB v2.0 | Yes, microUSB |
| USB Features | USB Charging | USB Tethering, USB on-the-go, USB Charging |
| Extra | ||
| GPS | A-GPS, GLONASS, BeiDou | With A-GPS, Beidou, Glonass |
| Fingerprint Sensor | No | Yes, Rear |
| Face Unlock | Yes | Yes |
| Sensors | Ambient Light Sensor, Proximity Sensor, E-compass, Accelerometer | Magnetic Induction Sensor, Light Sensor, Proximity Sensor, Gyro-meter, Acceleration Sensor, Compass |
| 3.5mm Headphone Jack | Yes | Yes |
| Water Resistance | No | |
| Splash Resistant | Yes | |
| Camera | ||
| Rear Camera | 12 MP ƒ/2.2 IMX486 | 13 MP ƒ/2.2 (Main) 2 MP ƒ/2.4 (Macro) Macro 2 MP ƒ/2.4 Portrait |
| Camera Sensor | CMOS Sensor | |
| Auto Focus | Yes | Yes |
| Features | HDR | Beauty, Filter, HDR, Panoramic View, Refocus, Timelapse, Slo-mo, NightScape, Expert |
| Video Recording | 1080p @ 30 fps FHD | 1080p @ 30 fps FHD, 720P |
| Flash | Yes, LED | Yes, LED |
| Front Camera | 5 MP ƒ/2.2 | 5 MP ƒ/2.2 Screen Flash |
| Front Video Recording | 1080p @ 30 fps FHD | 720p |
| Technical | ||
| OS | Android v9.0 (Pie) | Android v11 |
| Chipset | Qualcomm Snapdragon 439 | Unisoc T610 |
| CPU | 2 GHz, Octa Core Processor | 1.8 GHz, Octa Core Processor |
| Core Details | 2x2.0 GHz Cortex-A53 & 6x1.45 GHz Cortex A53 | |
| GPU | Adreno 505 | Mali-G52 |
| Java | No | No |
| Browser | Yes, supports HTML5 | Yes |
| Multimedia | ||
| Yes | Yes | |
| Music | Yes | MPEG, AMRNB, AMRWB, AAC, G711.ALAW, G711.MLAW, VORBIS, OPUS, FLAC |
| Video | Yes | H.264, MPEG-4, H.263, Sorenson Spark, VP8, VP9, H.265 |
| FM Radio | Yes | No |
| Document Reader | Yes | Yes |
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 4000 mAh, Li-Po Battery | 5000 mAh, Li-Po Battery |
| Fast Charging | Yes, 10W Charger | |