Xiaomi Redmi A4 5G (4GB RAM + 128GB) vs Realme C21Y (4GB RAM + 64GB)
Quick Comparison
Both Xiaomi Redmi A4 5G (4GB RAM + 128GB) and Realme C21Y (4GB RAM + 64GB) comes with same RAM. In terms of display resolution, Xiaomi Redmi A4 5G (4GB RAM + 128GB) has better resolution of 1640 x 720 than Realme C21Y (4GB RAM + 64GB) which has resolution of 1600 x 720. Xiaomi Redmi A4 5G (4GB RAM + 128GB) has more internal memory than Realme C21Y (4GB RAM + 64GB)
| Name | Xiaomi Redmi A4 5G (4GB RAM + 128GB) | Realme C21Y (4GB RAM + 64GB) |
| RAM | 4 GB | 4 GB |
|---|---|---|
| Display | 6.88 in | 6.5 in |
| Internal Memory | 128 GB | 64 GB |
| Battery | 5160 mAh | 5000 mAh |
| Camera | 50 MP Dual | 13 MP + 2 MP + 2 MP Triple |
| Price | Rs. 9090 | Rs. 8490 |
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Detailed Comparison
Price And Launch
The launch Date of the first phone is November 20, 2024. The cost of Xiaomi Redmi A4 5G (4GB RAM + 128GB) is Rs. 9090. The launch Date of the second phone is August 23, 2021. The cost of Realme C21Y (4GB RAM + 64GB) is Rs. 8490.
Display comparison
Xiaomi Redmi A4 5G (4GB RAM + 128GB) has larger screen size of 6.88 inches in comparison to Realme C21Y (4GB RAM + 64GB)'s 6.5 inch screen. Xiaomi Redmi A4 5G (4GB RAM + 128GB) has LCD Screen type where as Realme C21Y (4GB RAM + 64GB) has IPS LCD Screen type. Realme's phone has display density of 269 PPI & Xiaomi's phone has only 260 PPI display density. In terms of screen to body ratio, Xiaomi's phone has better screen to body ratio of ~ 90% than Realme's phone ~ 88.7%. Xiaomi Redmi A4 5G (4GB RAM + 128GB) has 20.5:9 aspect ratio where as Realme C21Y (4GB RAM + 64GB) has 20:9 aspect ratio.
Memory comparison
Both mobiles come with 4 GB RAM Xiaomi Redmi A4 5G (4GB RAM + 128GB) has more Internal Memory (128 GB) than Realme C21Y (4GB RAM + 64GB) (64 GB).
Camera comparison
Xiaomi Redmi A4 5G (4GB RAM + 128GB)'s 50 MP Dual Rear Camera outclasses Realme C21Y (4GB RAM + 64GB)'s 13 MP + 2 MP + 2 MP Triple Rear Camera in terms of resolution. Both of them stand equal in terms of Front Camera Resolution as both have 5 MP Front Camera.
Technical comparison
Both the phones has Android Operating System but the first one runs on version 14 and the second one on 11 version.
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Full Comparison
| Name | Xiaomi Redmi A4 5G (4GB RAM + 128GB) | Realme C21Y (4GB RAM + 64GB) |
| General | ||
| Country of Origin | India | |
| Model | Redmi A4 | C21Y |
| 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 | November 20, 2024 | August 23, 2021 |
| Design | ||
| Dimensions | 77.8 x 171.88 x 8.22 mm | 76 x 164.5 x 9.1 mm |
| Weight | 212.35 g | 200 g |
| Colors | Starry black, Sparkle Purple | |
| Display | ||
| Type | Color LCD Screen (16M Colors) | Color IPS LCD Screen (16.7M) |
| Touch | Yes, 240 Hz Touch Sampling Rate | Yes |
| Size | 6.88 inches, 720 x 1640 pixels, 120 Hz | 6.5 inches, 720 x 1600 pixels, 60 Hz |
| Aspect Ratio | 20.5:9 | 20:9 |
| PPI | ~ 260 PPI | ~ 269 PPI |
| Screen to Body Ratio | ~ 90% | ~ 88.7% |
| Features | Brightness: 600 nits, TÜV low blue light certification TÜV flicker-free certification TÜV Circadian Friendly | Sunlight Screen Support, COG Sealing Process |
| Notch | Yes, Water Drop Notch | Yes, Water Drop Notch |
| Memory | ||
| RAM | 4 GB | 4 GB |
| Expandable RAM | Upto 4 GB Extra Virtual RAM | |
| Storage | 128 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 |
| 5G | Yes | |
| 5G Bands | SA: n1/n3/n5/n8/n28/n40/n78 | |
| VoLTE | Yes, Dual Stand-By | Yes, Dual Stand-By |
| Wifi | Yes, with wifi-hotspot | Yes, with wifi-hotspot |
| Wifi Version | Wifi 5 | |
| Bluetooth | Yes, v5.3 | Yes, v5.0 |
| USB | Yes, USB-C v2.0 | Yes, microUSB |
| USB Features | USB Tethering, USB on-the-go, USB Charging | USB Tethering, USB on-the-go, USB Charging |
| IR Blaster | No | |
| Extra | ||
| GPS | Yes, with GPS, AGPS, Glonass, Beidou | With A-GPS, Beidou, Glonass |
| Fingerprint Sensor | Yes, Side | Yes, Rear |
| Face Unlock | Yes | Yes |
| Sensors | Accelerometer, Compass | Magnetic Induction Sensor, Light Sensor, Proximity Sensor, Gyro-meter, Acceleration Sensor, Compass |
| 3.5mm Headphone Jack | Yes | Yes |
| Splash Resistant | Yes | |
| IP Rating | IP52 | |
| Extra Features | Mono Speaker, Single Mic, LPDDR4x RAM, How Many Years of OS+ Security Updates Support: 2+4 | |
| Camera | ||
| Rear Camera | 50 MP ƒ/1.8 (Wide Angle) 5P | 13 MP ƒ/2.2 (Main) 2 MP ƒ/2.4 (Macro) Macro 2 MP ƒ/2.4 Portrait |
| Camera Sensor | CMOS Sensor | |
| Auto Focus | Yes | Yes |
| Features | HDR, 10x Zoom with Steering UI | Beauty, Filter, HDR, Panoramic View, Refocus, Timelapse, Slo-mo, NightScape, Expert |
| Video Recording | 1080p @ 30 fps FHD | 1080p @ 30 fps FHD, 720P |
| Flash | Yes, LED | Yes, LED |
| Front Camera | 5 MP ƒ/2.2 | 5 MP ƒ/2.2 Screen Flash |
| Front Video Recording | 1080p @ 30 fps FHD | 720p |
| Technical | ||
| OS | Android v14 | Android v11 |
| Chipset | Qualcomm Snapdragon 4s Gen2 | Unisoc T610 |
| CPU | 2 GHz, Octa Core Processor | 1.8 GHz, Octa Core Processor |
| Core Details | 2xA78@ 2.0GHz+6xA55@ 1.8GHz | |
| GPU | Adreno | Mali-G52 |
| Java | No | No |
| Browser | Yes, supports HTML5 | Yes |
| Multimedia | ||
| Yes | Yes | |
| Music | MP3, AMR, FLAC, APE | MPEG, AMRNB, AMRWB, AAC, G711.ALAW, G711.MLAW, VORBIS, OPUS, FLAC |
| Video | MP4, M4V. MKV, XVID | H.264, MPEG-4, H.263, Sorenson Spark, VP8, VP9, H.265 |
| FM Radio | No | No |
| Document Reader | Yes | Yes |
| Battery | ||
| Type | Non-Removable Battery | Non-Removable Battery |
| Size | 5160 mAh, Li-Po Battery | 5000 mAh, Li-Po Battery |
| Fast Charging | Yes, 18W Fast Charging | |