Realme C21Y vs Realme C12
Here you can compare Realme C21Y and Realme C12. Comparing Realme C21Y vs Realme C12 on Smartprix enables you to check their respective specs scores and unique features. It would potentially help you understand how Realme C21Y stands against Realme C12 and which one should you buy The current lowest price found for Realme C21Y is ₹5,999 and for Realme C12 is ₹6,999. The details of both of these products were last updated on Nov 27, 2025.
| Specification | Realme C21Y | Realme C12 |
|---|---|---|
| Internal Memory | 32 GB | 32 GB |
| Rear Camera | 13 MP ƒ/2.2 (Main) 2 MP ƒ/2.4 (Macro) Macro 2 MP ƒ/2.4 Portrait | 13 MP ƒ/2.2 (Main) 2 MP ƒ/2.4 Mono 2 MP ƒ/2.4 (Macro) Macro |
| RAM | 3 GB | 3 GB |
| Battery | 5000 mAh, Li-Po Battery | 6000 mAh, Li-Po Battery |
| OS | Android v11 | Android v10, upgradable to v11 |
| Price | ₹5,999 | ₹6,999 |
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Overview
| Specs Score | 61 / 100 | 64 / 100 Better Specs |
| CPU Clock Speed | 1.8 GHz | 2.3 GHz Faster Clock Speed |
| Thickness | 9.1 mm Slimmer | 9.8 mm |
| Battery | 5000 mAh | 6000 mAh Bigger Battery |
| Unique Features | No | FM Radio |
General
| Model | C21Y | C12 |
| 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 | August 23, 2021 | August 18, 2020 |
Design
| Dimensions | 76 x 164.5 x 9.1 mm | 75.9 x 164.5 x 9.8 mm |
| Weight | 200 g | 209 g |
Display
| Type | Color IPS LCD Screen (16.7M) | Color IPS LCD Screen (16.7M) |
| Touch | Yes | Yes |
| Size | 6.5 inches, 720 x 1600 pixels, 60 Hz | 6.52 inches, 720 x 1600 pixels, 60 Hz |
| Aspect Ratio | 20:9 | 20:9 |
| PPI | ~ 269 PPI | ~ 269 PPI |
| Screen to Body Ratio | ~ 88.7% | ~ 88.7% |
| Features | Sunlight Screen Support, COG Sealing Process | |
| Notch | Yes, Water Drop Notch | Yes, Water Drop Notch |
Memory
| RAM | 3 GB | 3 GB |
| Storage | 32 GB | 32 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, Dual Stand-By | Yes, Dual Stand-By |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Bluetooth | Yes, v5.0 | Yes, v5.0 |
| USB | Yes, microUSB | Yes, microUSB v2.0 |
| USB Features | USB Tethering, USB on-the-go, USB Charging | USB on-the-go, USB Charging |
Extra
| GPS | With A-GPS, Beidou, Glonass | Yes, with A-GPS, Glonass, Beidou |
| Fingerprint Sensor | Yes, Rear | Yes, Rear |
| Face Unlock | Yes | Yes |
| Sensors | Magnetic Induction Sensor, Light Sensor, Proximity Sensor, Gyro-meter, Acceleration Sensor, Compass | Magnetic Induction Sensor, Light Sensor, Proximity Sensor, Acceleration Sensor, 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/2.2 (Main) 2 MP ƒ/2.4 Mono 2 MP ƒ/2.4 (Macro) Macro |
| Camera Sensor | CMOS Sensor | CMOS Sensor |
| Auto Focus | Yes | |
| Features | Beauty, Filter, HDR, Panoramic View, Refocus, Timelapse, Slo-mo, NightScape, Expert | Beauty, Filter, HDR, Panoramic View, Portrait, Timelapse, Slo-mo, NightScape |
| Video Recording | 1080p @ 30 fps FHD, 720P | 1080p @ 30 fps FHD, 720p @ 30 fps HD |
| Flash | Yes, LED | Yes, LED |
| Front Camera | 5 MP ƒ/2.2 Screen Flash | 5 MP ƒ/2.4 (Main) |
| Front Video Recording | 720p | 1080p @ 30 fps FHD, 720p @ 30 fps HD |
Technical
| OS | Android v11 | Android v10, upgradable to v11 |
| Chipset | Unisoc T610 | MediaTek Helio G35 |
| CPU | 1.8 GHz, Octa Core Processor | 2.3 GHz, Octa Core Processor |
| Core Details | Arm Cortex-A53 | |
| GPU | Mali-G52 | PowerVR GE8320 |
| Java | No | No |
| Browser | Yes | Yes, supports HTML5 |
Multimedia
| Yes | Yes | |
| Music | MPEG, AMRNB, AMRWB, AAC, G711.ALAW, G711.MLAW, VORBIS, OPUS, FLAC | AAC, HE-AAC v1, HE-AAC v2, AMR, AWB, MIDI, MP3, OGG, VORBIS |
| Video | H.264, MPEG-4, H.263, Sorenson Spark, VP8, VP9, H.265 | MP4, 3GP, 3G2, 3GPP, 3GPP2, M4V, MKV |
| FM Radio | No | Yes |
| Document Reader | Yes | Yes |
Battery
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 5000 mAh, Li-Po Battery | 6000 mAh, Li-Po Battery |
| StandBy Time | 57 days |
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