Realme C31 (4GB RAM + 64GB) vs Realme C21 (4GB RAM + 64GB)
Here you can compare Realme C31 (4GB RAM + 64GB) and Realme C21 (4GB RAM + 64GB). Comparing Realme C31 (4GB RAM + 64GB) vs Realme C21 (4GB RAM + 64GB) on Smartprix enables you to check their respective specs scores and unique features. It would potentially help you understand how Realme C31 (4GB RAM + 64GB) stands against Realme C21 (4GB RAM + 64GB) and which one should you buy The current lowest price found for Realme C31 (4GB RAM + 64GB) is ₹10,599 and for Realme C21 (4GB RAM + 64GB) is ₹9,999. The details of both of these products were last updated on Sep 11, 2026.
| Specification | Realme C31 (4GB RAM + 64GB) | Realme C21 (4GB RAM + 64GB) |
|---|---|---|
| RAM | 4 GB | 4 GB |
| Display | 6.52 inches, 720 x 1600 pixels, 60 Hz | 6.5 inches, 1600 x 720 pixels, 60 Hz |
| Battery | 5000 mAh, Li-Po Battery | 5000 mAh, Li-Po Battery |
| Rear Camera | 13 MP ƒ/1.8 (Wide Angle) 2 MP (Macro) Macro 2 MP ƒ/2.4 (Depth Sensor) | 13 MP ƒ/2.2 (Main) 2 MP ƒ/2.4 (Macro) Macro 2 MP ƒ/2.4 Mono |
| OS | Android v11 | Android v10, upgradable to v11 |
| Price | ₹10,599 | ₹9,999 |
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Overview
| Specs Score | 40 / 100 Better Specs | 39 / 100 |
| CPU Clock Speed | 1.82 GHz | 2.3 GHz Faster Clock Speed |
| Thickness | 8.43 mm Slimmer | 8.9 mm |
| Unique Features | No | Reverse Charging |
General
| Model | C31 | RMX3201, C21 |
| 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 | March 31, 2022 | April 8, 2021 |
Design
| Dimensions | 76.19 x 164.74 x 8.43 mm | 76.4 x 165.2 x 8.9 mm |
| Weight | 197 g | 190 g |
Display
| Type | Color IPS LCD Screen (16.7M) | Color IPS LCD Screen (16.7M) |
| Touch | Yes, 120 Hz Touch Sampling Rate | Yes, 120 Hz Touch Sampling Rate |
| Size | 6.52 inches, 720 x 1600 pixels, 60 Hz | 6.5 inches, 1600 x 720 pixels, 60 Hz |
| Aspect Ratio | 20:08 | 20:09 |
| PPI | ~ 270 PPI | ~ 269 PPI |
| Screen to Body Ratio | ~ 88.7% | ~ 89.5% |
| Features | Screen Contrast: 1500:1, 400 nits Brightness, Color Saturation: 70%, Supports Sunlight Screen | 120 Hz Touch , Sunlight Screen Support, COG Sealing Process, WideVine L3 |
| Notch | Yes, Water Drop Notch | Yes, Water Drop Notch |
Memory
| RAM | 4 GB | 4 GB |
| Storage | 64 GB | 64 GB |
| Storage Type | UFS 2.2 | |
| Card Slot | Yes, upto 1 TB | Yes, upto 256 GB |
Connectivity
| GPRS | Yes | Yes |
| EDGE | Yes | Yes |
| 3G | Yes | Yes |
| 4G | Yes | Yes |
| VoLTE | Yes | Yes |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Bluetooth | Yes, v5.0 | Yes, v5.0 |
| USB | Yes, microUSB v2.0 | Yes, microUSB |
| USB Features | USB on-the-go | USB on-the-go, USB Charging |
Extra
| GPS | GPS, AGPS, GALILEO, BEIDOU | Yes |
| Fingerprint Sensor | Yes, Side | 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 |
| 3.5mm Headphone Jack | Yes | Yes |
| Extra Features | Night Shield, Step Tracker, Game Space, APP Market, Theme Store, Clone Phone, Phone Manager, Telephone Number Identification, TUV Rheinland Certified |
Camera
| Rear Camera | 13 MP ƒ/1.8 (Wide Angle) 2 MP (Macro) Macro 2 MP ƒ/2.4 (Depth Sensor) | 13 MP ƒ/2.2 (Main) 2 MP ƒ/2.4 (Macro) Macro 2 MP ƒ/2.4 Mono |
| Camera Sensor | Sony IMX258 | CMOS Sensor |
| Auto Focus | Yes | Yes |
| Features | Mode, Burst, Filter, Timelapse, Pro, Panorama, Macro, Night Pro, Portrait, HDR, 20 Continuous Shots | Supports 20 Continuous Shooting, Photograph Functions: Night Mode, Panoramic View, Expert, Timelapse, Portrait Mode, HDR, Ultra Macro, AI Beauty, Filter, Chroma Boost, Video Recording Functions: Filter, Slow Motion, HDR |
| Video Recording | 1080p, 720p, 480p | 720p, 720P |
| Flash | Yes, LED | Yes, LED |
| Front Camera | 5 MP ƒ/2.2 | 5 MP |
| Front Video Recording | 1080p | 720p |
Technical
| OS | Android v11 | Android v10, upgradable to v11 |
| Chipset | Unisoc Tiger T612 | MediaTek Helio G35 |
| CPU | 1.82 GHz, Octa Core Processor | 2.3 GHz, Octa Core Processor |
| Core Details | 2x1.8 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55 | Arm Cortex-A53 |
| GPU | Mali G52 | IMG GE8320 |
| Java | No | No |
| Browser | Yes | Yes |
Multimedia
| Yes | Yes | |
| Music | AAC, APE, FLAC, AMR, MIDI, MP3, OGG, WAV, WMA, MKA | AAC, HE-AAC v1, HE-AAC v2, AMR, AWB, MIDI, MP3, OGG VORBIS |
| Video | MP4, 3GP, ASF, AVI, FLV, M2TS, MKV, MPG, TS, WEBM, WMV | MP4, 3GP, 3G2, 3GPP, 3GPP2, M4V, MKV |
| FM Radio | No | No |
| Document Reader | Yes |
Battery
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 5000 mAh, Li-Po Battery | 5000 mAh, Li-Po Battery |
| Reverse Charging | Yes |
Discuss
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