Realme C21Y vs Xiaomi Redmi Note 4
Here you can compare Realme C21Y and Xiaomi Redmi Note 4. Comparing Realme C21Y vs Xiaomi Redmi Note 4 on Smartprix enables you to check their respective specs scores and unique features. It would potentially help you understand how Realme C21Y stands against Xiaomi Redmi Note 4 and which one should you buy The current lowest price found for Realme C21Y is ₹10,990 and for Xiaomi Redmi Note 4 is ₹11,990. The details of both of these products were last updated on Oct 04, 2026.
| Specification | Realme C21Y | Xiaomi Redmi Note 4 |
|---|---|---|
| Internal Memory | 32 GB | 64 GB |
| RAM | 3 GB | 4 GB |
| Display | 6.5 inches, 720 x 1600 pixels, 60 Hz | 5.5 inches, 1080 x 1920 pixels |
| Battery | 5000 mAh, Li-Po Battery | 4100 mAh, Li-Po Battery |
| OS | Android v11 | Android v6.0 (Marshmallow), upgradable to v7.0 (Nougat) |
| Price | ₹10,990 | ₹11,990 |
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Overview
| Specs Score | 37 / 100 | 37 / 100 |
| Display Size | 6.5 in Bigger Display | 5.5 in |
| Display Resolution | 720 x 1600 pixels | 1080 x 1920 pixels Better Resolution |
| Screen To Body Ratio | ~ 88.7% Less Bezels | |
| RAM | 3 GB | 4 GB More RAM |
| Storage | 32 GB | 64 GB More Storage |
| CPU Clock Speed | 1.8 GHz | 2 GHz Faster Clock Speed |
| Weight | 200 g | 165 g Lighter |
| Thickness | 9.1 mm | 8.5 mm Slimmer |
| Battery | 5000 mAh Bigger Battery | 4100 mAh |
| Unique Features | No | FM Radio |
General
| Model | C21Y | Redmi Note 4 |
| Sim Type | Dual Sim, GSM+GSM | Dual Sim, GSM+GSM (Hybrid Slot) |
| Dual Sim | Yes | Yes |
| Sim Size | Nano+Nano SIM | Micro+Nano SIM |
| Device Type | Smartphone | Smartphone |
| Release Date | August 23, 2021 | January, 2017 |
Design
| Dimensions | 76 x 164.5 x 9.1 mm | 76 x 151 x 8.5 mm |
| Weight | 200 g | 165 g |
Display
| Type | Color IPS LCD Screen (16.7M) | Color IPS Screen (16M colors Colors) |
| Touch | Yes | Yes |
| Size | 6.5 inches, 720 x 1600 pixels, 60 Hz | 5.5 inches, 1080 x 1920 pixels |
| Aspect Ratio | 20:9 | 16:9 |
| PPI | ~ 269 PPI | ~ 401 PPI |
| Screen to Body Ratio | ~ 88.7% | |
| Features | Sunlight Screen Support, COG Sealing Process | 2.5D Glass |
| Notch | Yes, Water Drop Notch |
Memory
| RAM | 3 GB | 4 GB |
| Storage | 32 GB | 64 GB |
| Card Slot | Yes, upto 256 GB | Yes, (Hybrid Slot), upto 128 GB |
Connectivity
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| VoLTE | Yes, Dual Stand-By | Yes |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Bluetooth | Yes, v5.0 | Yes, v4.1 |
| USB | Yes, microUSB | Yes, microUSB v2.0 |
| USB Features | USB Tethering, USB on-the-go, USB Charging | USB on-the-go |
Extra
| GPS | With A-GPS, Beidou, Glonass | Yes, with A-GPS Support |
| Fingerprint Sensor | Yes, Rear | Yes, Rear |
| Face Unlock | Yes | |
| Sensors | Magnetic Induction Sensor, Light Sensor, Proximity Sensor, Gyro-meter, Acceleration Sensor, Compass | Accelerometer, Gyroscope, Compass |
| 3.5mm Headphone Jack | Yes | Yes |
Camera
| Rear Camera | 13 MP ƒ/2.2 (Main) 2 MP ƒ/2.4 (Macro) Macro 2 MP ƒ/2.4 Portrait | 13 MP ƒ/2 |
| Camera Sensor | CMOS Sensor | |
| Auto Focus | Yes | Yes |
| Features | Beauty, Filter, HDR, Panoramic View, Refocus, Timelapse, Slo-mo, NightScape, Expert | Face detection, Geo tagging, Panorama, Touch to focus |
| Video Recording | 1080p @ 30 fps FHD, 720P | 1080p @ 30 fps FHD |
| Flash | Yes, LED | Yes, Dual LED |
| Front Camera | 5 MP ƒ/2.2 Screen Flash | 5 MP ƒ/2 |
| Front Video Recording | 720p | |
| Front Camera Features | Portrait Mode, Fast Forward, Panorama, Beauty Mode, HDR, Face Detection, Filters |
Technical
| OS | Android v11 | Android v6.0 (Marshmallow), upgradable to v7.0 (Nougat) |
| Chipset | Unisoc T610 | Qualcomm Snapdragon 625 |
| CPU | 1.8 GHz, Octa Core Processor | 2 GHz, Octa Core Processor |
| GPU | Mali-G52 | Adreno 506 |
| Java | No | No |
| Browser | Yes | Yes, supports HTML |
Multimedia
| Supports | MMS, Instant Messaging | |
| Yes | Yes, with Push Email | |
| Music | MPEG, AMRNB, AMRWB, AAC, G711.ALAW, G711.MLAW, VORBIS, OPUS, FLAC | MP3, WAV, eAAC+ |
| Video | H.264, MPEG-4, H.263, Sorenson Spark, VP8, VP9, H.265 | XviD, MP4 |
| FM Radio | No | Yes |
| Document Reader | Yes | Yes |
Battery
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 5000 mAh, Li-Po Battery | 4100 mAh, Li-Po Battery |
Discuss
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