Realme C21 (4GB RAM + 64GB) vs Xiaomi Redmi A5 4G
Quick Comparison
Realme C21 (4GB RAM + 64GB) has better RAM than Xiaomi Redmi A5 4G. In terms of display resolution, Xiaomi Redmi A5 4G has better resolution of 1650 x 720 than Realme C21 (4GB RAM + 64GB) which has resolution of 720 x 1600. Both have the same amount of internal memory.
| Name | Realme C21 (4GB RAM + 64GB) | Xiaomi Redmi A5 4G |
| RAM | 4 GB | 3 GB |
|---|---|---|
| Display | 6.5 in | 6.88 in |
| Internal Memory | 64 GB | 64 GB |
| Battery | 5000 mAh | 5200 mAh |
| Camera | 13 MP + 2 MP + 2 MP Triple | 32 MP |
| Price | Rs. 9999 (Buy Now) | Rs. 6499 (Buy Now) |
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Detailed Comparison
Price And Launch
The launch Date of the first phone is April 8, 2021. The cost of Realme C21 (4GB RAM + 64GB) is Rs. 9999. The launch Date of the second phone is March 21, 2025. The cost of Xiaomi Redmi A5 4G is Rs. 6499.
Display comparison
Xiaomi Redmi A5 4G has larger screen size of 6.88 inches in comparison to Realme C21 (4GB RAM + 64GB)'s 6.5 inch screen. Realme C21 (4GB RAM + 64GB) has IPS LCD Screen type where as Xiaomi Redmi A5 4G has IPS Screen type. Realme's phone has display density of 269 PPI & Xiaomi's phone has only 262 PPI display density. In terms of screen to body ratio, Realme's phone has better screen to body ratio of ~ 89.5% than Xiaomi's phone ~ 84.1%. Realme C21 (4GB RAM + 64GB) has 20:09 aspect ratio where as Xiaomi Redmi A5 4G has 20.5:9 aspect ratio.
Memory comparison
Realme C21 (4GB RAM + 64GB)'s larger 4 GB RAM is better for playing games and all with respect to Xiaomi Redmi A5 4G's lower 3 GB RAM. and both have same Internal Memory of 64 GB.
Camera comparison
Xiaomi Redmi A5 4G's 32 MP Rear Camera outshines Realme C21 (4GB RAM + 64GB)'s 13 MP + 2 MP + 2 MP Triple Rear Camera in terms of resolution. Xiaomi Redmi A5 4G will be better choice if you're looking to click lot of selfies as it has better 8 MP Front Camera in comparison to Realme C21 (4GB RAM + 64GB)'s 5 MP Front Camera.
Technical comparison
Both the phones has Android Operating System but the first one runs on version 10 and the second one on 15 version.
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Full Comparison
| Name | Realme C21 (4GB RAM + 64GB) | Xiaomi Redmi A5 4G |
| General | ||
| Country of Origin | India | |
| Model | RMX3201, C21 | 25028RN03I |
| 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 | March 21, 2025 |
| In The Box | Handset, 15W Charger, Type C USB Cable, Sim Eject Tool, Quick Start Guide, Warranty Card | |
| Design | ||
| Dimensions | 76.4 x 165.2 x 8.9 mm | 77.8 x 171.7 x 8.3 mm |
| Weight | 190 g | 193 g |
| Colors | Jaisalmer Gold, Pondicherry Blue, Just Black | |
| Display | ||
| Type | Color IPS LCD Screen (16.7M) | Color IPS Screen (16M Colors) |
| Touch | Yes, 120 Hz Touch Sampling Rate | Yes |
| Size | 6.5 inches, 1600 x 720 pixels, 60 Hz | 6.88 inches, 720 x 1650 pixels, 120 Hz |
| Aspect Ratio | 20:09 | 20.5:9 |
| PPI | ~ 269 PPI | ~ 262 PPI |
| Screen to Body Ratio | ~ 89.5% | ~ 84.1% |
| Features | 120 Hz Touch , Sunlight Screen Support, COG Sealing Process, WideVine L3 | 600nits Peak Brightness, TUV Eye Care Triple Certification |
| Notch | Yes, Water Drop Notch | Yes, Water Drop Notch |
| Memory | ||
| RAM | 4 GB | 3 GB |
| Expandable RAM | Upto 3 GB Extra Virtual RAM | |
| Storage | 64 GB | 64 GB |
| Card Slot | Yes, upto 256 GB | Yes, upto 2 TB |
| 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 |
| Wifi Version | Supports 2.4 GHz and 5 GHz Dual Band | |
| Bluetooth | Yes, v5.0 | Yes, v5.2 |
| USB | Yes, microUSB | Yes, USB-C v2.0 |
| USB Features | USB on-the-go, USB Charging | USB Tethering, USB on-the-go, USB Charging |
| IR Blaster | No | |
| Extra | ||
| GPS | Yes | GPS, AGPS, GLONASS, BEIDOU |
| Fingerprint Sensor | Yes, Rear | Yes, Side |
| Face Unlock | Yes | Yes |
| Sensors | Magnetic Induction Sensor, Light Sensor, Proximity Sensor, Acceleration Sensor | Virtual Proximity Sensor, Virtual Ambient Light Sensor, Accelerometer, E Compass |
| 3.5mm Headphone Jack | Yes | Yes |
| Splash Resistant | Yes | |
| IP Rating | IP52 | |
| Dust Resistant | Yes | |
| Extra Features | Night Shield, Step Tracker, Game Space, APP Market, Theme Store, Clone Phone, Phone Manager, Telephone Number Identification, TUV Rheinland Certified | eMMC 5.1, 2 Android Major Updates, 4 Years of Security Patch Updates |
| Camera | ||
| Rear Camera | 13 MP ƒ/2.2 (Main) 2 MP ƒ/2.4 (Macro) Macro 2 MP ƒ/2.4 Mono | 32 MP ƒ/1.8 (Wide Angle) |
| 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 | Photo Mode, Ultra HD Mode, Portrait Mode, Night Mode, Timelapse, Video |
| Video Recording | 720p, 720P | 1080p @ 30 fps FHD |
| Flash | Yes, LED | Yes, LED |
| Front Camera | 5 MP | 8 MP ƒ/2 (Wide Angle) |
| Front Video Recording | 720p | 1080p @ 30 fps FHD |
| Technical | ||
| OS | Android v10, upgradable to v11 | Android v15 |
| Chipset | MediaTek Helio G35 | Unisoc T7250 |
| CPU | 2.3 GHz, Octa Core Processor | 1.8 GHz, Octa Core Processor |
| Core Details | Arm Cortex-A53 | |
| GPU | IMG GE8320 | Mali-G57 MP1 |
| 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 | MP3, AMR, FLAC, APE |
| Video | MP4, 3GP, 3G2, 3GPP, 3GPP2, M4V, MKV | MP4, M4V. MKV, XVID |
| FM Radio | No | Yes, with FM Recording |
| Document Reader | Yes | |
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 5000 mAh, Li-Po Battery | 5200 mAh, Li-Po Battery |
| Fast Charging | Yes, 15W Fast Charging | |
| Reverse Charging | Yes | |