Realme C21 vs OPPO A15
Here you can compare Realme C21 and OPPO A15. Comparing Realme C21 vs OPPO A15 on Smartprix enables you to check their respective specs scores and unique features. It would potentially help you understand how Realme C21 stands against OPPO A15 and which one should you buy The current lowest price found for Realme C21 is ₹10,990 and for OPPO A15 is ₹9,999. The details of both of these products were last updated on Oct 01, 2026.
| Specification | Realme C21 | OPPO A15 |
|---|---|---|
| Internal Memory | 32 GB | 32 GB |
| CPU | 2.3 GHz, Octa Core Processor | 2.3 GHz, Octa Core Processor |
| Battery | 5000 mAh, Li-Po Battery | 4230 mAh, Li-Po Battery |
| RAM | 3 GB | 3 GB |
| Display | 6.5 inches, 1600 x 720 pixels, 60 Hz | 6.52 inches, 720 x 1600 pixels |
| Price | ₹10,990 | ₹9,999 |
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Overview
| Specs Score | 37 / 100 | 37 / 100 |
| Screen To Body Ratio | ~ 89.5% Less Bezels | ~ 83% |
| Weight | 190 g | 175 g Lighter |
| Thickness | 8.9 mm | 7.9 mm Slimmer |
| Battery | 5000 mAh Bigger Battery | 4230 mAh |
| Unique Features | No Reverse Charging | FM Radio No |
General
| Model | RMX3201, C21 | A15 |
| 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 | April 8, 2021 | October 15, 2020 |
Design
| Dimensions | 76.4 x 165.2 x 8.9 mm | 75.4 x 164 x 7.9 mm |
| Weight | 190 g | 175 g |
Display
| Type | Color IPS LCD Screen (16.7M) | Color IPS LCD Screen (16M Colors) |
| Touch | Yes, 120 Hz Touch Sampling Rate | Yes |
| Size | 6.5 inches, 1600 x 720 pixels, 60 Hz | 6.52 inches, 720 x 1600 pixels |
| Aspect Ratio | 20:09 | 20:9 |
| PPI | ~ 269 PPI | ~ 269 PPI |
| Screen to Body Ratio | ~ 89.5% | ~ 83% |
| Features | 120 Hz Touch , Sunlight Screen Support, COG Sealing Process, WideVine L3 | |
| 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 | Yes |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Bluetooth | Yes, v5.0 | Yes, v5.0, A2DP, LE |
| USB | Yes, microUSB | Yes, microUSB v2.0 |
| USB Features | USB on-the-go, USB Charging | USB on-the-go, USB Charging |
Extra
| GPS | Yes | Yes, with A-GPS, GLONASS, BDS |
| Fingerprint Sensor | Yes, Rear | Yes, Rear |
| Face Unlock | Yes | Yes |
| Sensors | Magnetic Induction Sensor, Light Sensor, Proximity Sensor, Acceleration Sensor | Accelerometer, Gyro, Proximity, Compass |
| 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/2.2 (Main) 2 MP ƒ/2.4 (Macro) Macro 2 MP ƒ/2.4 Mono | 13 MP ƒ/2.2 (Main) 2 MP ƒ/2.4 (Macro) Macro 2 MP ƒ/2.4 (Depth Sensor) |
| Camera Sensor | CMOS Sensor | |
| Auto Focus | Yes | Yes |
| Features | 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 | HDR, Panorama |
| Video Recording | 720p, 720P | 1080p @ 30 fps FHD |
| Flash | Yes, LED | Yes, LED |
| Front Camera | 5 MP | 5 MP ƒ/2.4 (Main) |
| Front Video Recording | 720p | 1080p @ 30 fps FHD |
| Front Camera Features | Portrait Mode, Timelapse, Panoramic View, Beauty Mode, HDR, Face-Recognition, Filter | HDR |
Technical
| OS | Android v10, upgradable to v11 | Android v10.0 |
| Chipset | MediaTek Helio G35 | Mediatek Helio P35 |
| CPU | 2.3 GHz, Octa Core Processor | 2.3 GHz, Octa Core Processor |
| Core Details | Arm Cortex-A53 | 4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53 |
| GPU | IMG GE8320 | PowerVR GE8320 |
| Java | No | No |
| Browser | Yes | Yes, supports HTML5 |
Multimedia
| Yes | Yes | |
| Music | AAC, HE-AAC v1, HE-AAC v2, AMR, AWB, MIDI, MP3, OGG VORBIS | Yes |
| Video | MP4, 3GP, 3G2, 3GPP, 3GPP2, M4V, MKV | Yes |
| FM Radio | No | Yes |
| Document Reader | Yes |
Battery
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 5000 mAh, Li-Po Battery | 4230 mAh, Li-Po Battery |
| Reverse Charging | Yes | |
| StandBy Time | 13 days | |
| Talk Time | 29 hours |
Discuss
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