Realme C21 vs Redmi A4 5G
Compare Realme C21 and Redmi A4 5G to understand which one suits your needs the best. The Realme C21 is priced from ₹7,999, while Redmi A4 5G is available at ₹10,999 respectively. In terms of performance and features, each device offers a unique combination of processor, display, camera, and battery capabilities. Explore their complete specifications and key differences side-by-side to make a well-informed buying decision.
Realme C21 vs Redmi A4 5G Comparison Overview
| Key Highlights | Realme C21 | Redmi A4 5G |
|---|---|---|
| Price | ₹7,999 | ₹10,999 |
| Processor | MediaTek Helio G35 | Qualcomm Snapdragon 4s Gen 2 |
| Display | 6.5 inches, HD+ IPS LCD, 60Hz | 6.88 inches, HD+ IPS LCD, 120Hz |
| Rear Camera | 13MP (Wide-angle), 2MP (Macro), 2MP (Depth), 5MP (Front) | 50MP (Wide-angle), 5MP (Front) |
| Battery | 5000mAh, 10W, Charger in the box | 5160mAh, 18W, Charger in the box |
| RAM/Storage | 3GB (LPDDR4X), 32GB (UFS 2.1) | 4GB (LPDDR4X), 64GB (UFS 2.2) |
Reasons To Consider
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Key Specifications
| Processor | MediaTek Helio G35 | Qualcomm Snapdragon 4s Gen 2 | ||
|---|---|---|---|---|
| Display | 6.5 inches, HD+ IPS LCD, 60Hz | 6.88 inches, HD+ IPS LCD, 120Hz | ||
| Camera | 13MP (Wide-angle), 2MP (Macro), 2MP (Depth), 5MP (Front) | 50MP (Wide-angle), 5MP (Front) | ||
| Battery | 5000mAh, 10W, Charger in the box | 5160mAh, 18W, Charger in the box | ||
| RAM | 3GB (LPDDR4X) | 4GB (LPDDR4X) | ||
| Storage | 32GB (UFS 2.1) | 64GB (UFS 2.2) |
General
| Box Contents | Phone, 10W Charger, USB Cable, SIM Ejector Tool | Phone, 33W Charger, Type-C Cable, SIM Ejetor Tool | ||
|---|---|---|---|---|
| Colors | Cross Blue, Cross Black | Sparkle Purple, Starry black | ||
| Launch | April 08, 2021 | November 20, 2024 | ||
| Stores | Flipkart, Amazon | Flipkart, Amazon | ||
| Launch Country | India | India | ||
| Launch Price | ₹7,999 | ₹8,499 |
Display
🏆 Winner: Redmi A4 5G
| Display Type | IPS LCD | IPS LCD | ||
|---|---|---|---|---|
| Refresh Rate | 60Hz | 120Hz | ||
| Playback Quality | SDR | SDR | ||
| Touch Sampling Rate | 120Hz | 240Hz | ||
| Display Size | 6.5 inches | 6.88 inches | ||
| Area | 102 cm² | 112.4 cm² | ||
| Display Form Factor | Flat Display | Flat Display | ||
| Screen to Body Ratio | 89.5% | 90% | ||
| Resolution Width | 720pixels | 720pixels | ||
| Resolution Height | 1600pixels | 1640pixels | ||
| Aspect Ratio | 20:9 | 20:9 | ||
| Pixel Density | 270ppi | 260ppi | ||
| Display Bit Rate | 8-bit | 8-bit | ||
| Color Gamut Range | 80.8% | - | ||
| Display Resolution | HD+ | HD+ | ||
| Typical Brightness | 400nits | 450nits | ||
| Peak Brightness | 1000nits | 600nits | ||
| Eye Protection | TUV Rheinland certification | TUV Rheinland certification | ||
| High Brightness | - | 600nits |
Body
🏆 Winner: Redmi A4 5G
| Height | 162.5 mm | 171.88 mm | ||
|---|---|---|---|---|
| Width | 76.4 mm | 77.8 mm | ||
| Thickness | 8.9 mm | 8.22 mm | ||
| Weight | 190 grams | 212.35 grams | ||
| Screen Material | Glass | Glass | ||
| Back Material | Plastic | Glass | ||
| Side Material | Plastic Frame | Plastic Frame | ||
| Ports | microUSB 2.0 | USB Type-C | ||
| Additional Features | 3.5mm Headphone Jack, OTG | 3.5mm Headphone Jack | ||
| Speaker | Loudspeaker | Mono Speaker | ||
| IP Rating | - | IP52 (Dust and Splash Resistant) |
Processor
🏆 Winner: Redmi A4 5G
| Chipset Manufacturer | MediaTek | Qualcomm | ||
|---|---|---|---|---|
| Chipset | Helio G35 | Snapdragon 4s Gen 2 | ||
| Fabrication Size | 12 nm | 4 nm | ||
| Number of Cores | Octa-core | Octa-core | ||
| Clock Speed | (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53) | 2x2.0 GHz Cortex-A78 & 6x1.8 GHz Cortex-A55 |
Performance Benchmarks
| AnTuTu | 146708 | 381200 | ||
|---|---|---|---|---|
| Geekbench 6 CPU Single-Core | 189 | 838 |
Operating System
| OS Name | Android | Android | ||
|---|---|---|---|---|
| OS Version | 10 | 14 | ||
| OS Skin | Realme UI | Xiaomi HyperOS | ||
| Gaming Mode | Yes | - | ||
| OS Updates | 1 year(s) | 2 year(s) | ||
| Security Updates | 3 year(s) | 4 year(s) | ||
| Bloatware Free OS | - | Yes |
Main Camera
🏆 Winner: Realme C21
| Main Camera #1 Megapixel | 13MP | 50MP | ||
|---|---|---|---|---|
| Main Camera #1 Aperture | f/2.2 | f/1.8 | ||
| Main Camera #1 Lens Type | Wide-angle | Wide-angle | ||
| Main Camera #1 Sensor Size | 1/3.06" | - | ||
| Main Camera #2 Megapixel | 2MP | - | ||
| Main Camera #2 Aperture | f/2.4 | - | ||
| Main Camera #2 Lens Type | Macro | Auxiliary | ||
| Main Camera #3 Megapixel | 2MP | - | ||
| Main Camera #3 Aperture | f/2.4 | - | ||
| Main Camera #3 Lens Type | Depth | - | ||
| Features | HDR | HDR, Time Lapse | ||
| Dynamic Video Recording Support | HDR recording | SDR recording | ||
| Video Recording | 1080p@30fps | 1080p@30fps | ||
| Auto Focus Type | - | PDAF | ||
| Max Zoom Supported | - | 2-10X |
Selfie Camera
🏆 Winner: Realme C21
| Front Camera #1 Megapixel | 5MP | 5MP | ||
|---|---|---|---|---|
| Front Camera #1 Aperture | f/2.2 | f/2.2 | ||
| Front Camera #1 Pixel Size | 1.12 µm | 1 µm | ||
| Front Camera #1 Lens Type | Wide | - | ||
| Features | Portrait | - | ||
| Video Features | 1080p@30fps | 1080p@30fps | ||
| Video Recording | 1080@30fps | 1080@30fps | ||
| Auto Focus Type | - | Fixed Focus | ||
| HDR Recording Support | - | SDR recording |
Battery
🏆 Winner: Redmi A4 5G
| Battery Capacity | 5000mAh | 5160mAh | ||
|---|---|---|---|---|
| Battery Type | Lithium Polymer | Lithium Polymer | ||
| Reverse Wired Charging Support | Yes | - | ||
| Charging Speed Wired | 10W | 18W |
Network
| Sim Type | Hybrid Dual SIM (2 Nano SIMs + 1 microSD) | Dual SIM (nano-SIM, dual stand-by) | ||
|---|---|---|---|---|
| Network Support | 4G | 5G | ||
| Band Types | GSM, LTE, WCDMA | 5G, GSM, HSPA, LTE | ||
| 2G Bands | 1800, 1900, 850, 900 | 1800, 1900, 850, 900 | ||
| 3G Bands | WCDMA 1, 5, 8 | 850, 900, 1900, 2100 | ||
| 4G Bands | 1, 3, 5, 7, 8, 20, 28, 38, 40, 41 | LTE | ||
| 5G Bands | - | 1, 3, 5, 8, 28, 40, 78 SA/NSA |
Connectivity
🏆 Winner: Redmi A4 5G
| Wi-Fi Standards | Wi-Fi 4 802.11 a/b/g/n | Wi-Fi 5 802.11 a/b/g/n/ac | ||
|---|---|---|---|---|
| Wi-Fi Version | WiFi 4 | WiFi 5 | ||
| Bluetooth Version | 5 | 5 | ||
| Bluetooth Codecs | A2DP, LE | A2DP, LE | ||
| GPS | AGPS, GPS | GPS | ||
| Radio | FM Radio | - |
Features
| Fingerprint Scanner | Rear Mounted | Side Mounted | ||
|---|---|---|---|---|
| Sensors on Board | Accelerometer, Compass, Proximity Sensor | Fingerprint Scanner (Side Mounted) |
