Samsung Galaxy M21 2021 vs Redmi A7
Compare Samsung Galaxy M21 2021 and Redmi A7 to understand which one suits your needs the best. The Samsung Galaxy M21 2021 is priced from ₹14,999, while Redmi A7 is available at ₹11,399 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.
Samsung Galaxy M21 2021 vs Redmi A7 Comparison Overview
| Key Highlights | Samsung Galaxy M21 2021 | Redmi A7 |
|---|---|---|
| Price | ₹14,999 | ₹11,399 |
| Processor | Samsung Exynos 9611 | Unisoc T7250 |
| Display | 6.4", FHD+ AMOLED, 60Hz | 6.88", HD+ LCD, 120Hz |
| Rear Camera | 48MP (Wide-angle), 8MP (Ultra-wide), 5MP (Depth), 20MP (Front) | 13MP (Wide-angle), 8MP (Front) |
| Battery | 6000mAh, 15Watt, Charger in the box | 5200mAh, 15Watt, Charger in the box |
| RAM/Storage | 4GB (LPDDR4X), 64GB (UFS 2.1) | 3GB (LPDDR4X), 64GB (UFS 2.2) |
Performance Scorecard
Key Specifications
| Processor | Samsung Exynos 9611 | Unisoc T7250 | ||
|---|---|---|---|---|
| Display | 6.4", FHD+ AMOLED, 60Hz | 6.88", HD+ LCD, 120Hz | ||
| Camera | 48MP (Wide-angle), 8MP (Ultra-wide), 5MP (Depth), 20MP (Front) | 13MP (Wide-angle), 8MP (Front) | ||
| Battery | 6000mAh, 15Watt, Charger in the box | 5200mAh, 15Watt, Charger in the box | ||
| RAM | 4GB (LPDDR4X) | 3GB (LPDDR4X) | ||
| Storage | 64GB (UFS 2.1) | 64GB (UFS 2.2) |
General
| Box Contents | Phone, 15W Charger, Type-C cable, SIM Ejector Tool | Phone, 15W Charger, Type-C Cable, SIM Ejector Tool, Case | ||
|---|---|---|---|---|
| Colors | Charcoal Black, Arctic Blue | Sky Blue, Black | ||
| Launch | July 21, 2021 | April 21, 2026 | ||
| Stores | Amazon, Flipkart | Redmi, Amazon, Flipkart, Reliance Digital | ||
| Launch Country | India | India | ||
| Launch Price | ₹12,499 | ₹10,999 |
Display
🏆 Winner: Samsung Galaxy M21 2021
| Display Type | AMOLED | LCD | ||
|---|---|---|---|---|
| Refresh Rate | 60Hz | 120Hz | ||
| Playback Quality | SDR | SDR | ||
| Display Engine | Super | - | ||
| Display Size | 6.4 inches | 6.88 inches | ||
| Area | 100.5cm² | 112.8cm² | ||
| Display Form Factor | Flat Display | Flat Display | ||
| Screen to Body Ratio | 84.2 | 88 | ||
| Resolution Width | 1080 pixels | 720 pixels | ||
| Resolution Height | 2340 pixels | 1640 pixels | ||
| Aspect Ratio | 19.5:9 | 20.5:9 | ||
| Pixel Density | 403ppi | 260ppi | ||
| Display Bit Rate | 8-bit | 8-bit | ||
| Display Resolution | FHD+ | HD+ | ||
| High Brightness | 420 nits | - | ||
| Peak Brightness | 420 nits | 600 nits | ||
| Touch Sampling Rate | - | 240Hz | ||
| Eye Protection | - | TUV Rheinland certification | ||
| Colour Depth | - | 16.7 Million Colours |
Body
🏆 Winner: Redmi A7
| Height | 159mm | 171.79mm | ||
|---|---|---|---|---|
| Width | 75.1mm | 79.77mm | ||
| Thickness | 9mm | 8.26mm | ||
| Weight | 192 grams | 193 grams | ||
| Screen Material | Glass | Glass | ||
| Back Material | Plastic | Plastic | ||
| Side Material | Plastic Frame | Plastic Frame | ||
| Ports | USB Type-C 2.0 | USB Type-C | ||
| Additional Features | 3.5mm Headphone Jack | 3.5mm Headphone Jack | ||
| Speaker | Loudspeaker | Mono Speaker | ||
| Sound Tuning | No Tuning | No Tuning | ||
| Display Protection | - | Glass | ||
| Build Quality | - | Plastic Material | ||
| IP Rating | - | IP52 (Dust and Splash Resistant) |
Processor
🏆 Winner: Redmi A7
| Chipset Manufacturer | Samsung | Unisoc | ||
|---|---|---|---|---|
| Chipset | Exynos 9611 | T7250 | ||
| Fabrication Size | 10nm | 12nm | ||
| Number of Cores | Octa-core | Octa-core | ||
| Clock Speed | 4x2.3 GHz Cortex-A73 & 4x1.7 GHz Cortex-A53 | 1.8Ghz | ||
| GPU | Mali-G72 MP3 | Mali-G57 MP1 |
Performance Benchmarks
| AnTuTu | 249797 | 308467 | ||
|---|---|---|---|---|
| Geekbench 6 CPU Single-Core | 370 | 439 |
Main Camera
🏆 Winner: Samsung Galaxy M21 2021
| Main Camera #1 Megapixel | 48MP | 13MP | ||
|---|---|---|---|---|
| Main Camera #1 Aperture | f/2.0 | f/2.2 | ||
| Main Camera #1 Lens Type | Wide-angle | Wide-angle | ||
| Main Camera #1 Sensor Size | 1/2.0" | - | ||
| Main Camera #1 Camera Features | PDAF | - | ||
| Main Camera #2 Megapixel | 8MP | - | ||
| Main Camera #2 Aperture | f/2.2 | - | ||
| Main Camera #2 Field of View | 123 | - | ||
| Main Camera #2 Lens Type | Ultra-wide | - | ||
| Main Camera #2 Sensor Size | 1/4.0" | - | ||
| Main Camera #3 Megapixel | 5MP | - | ||
| Main Camera #3 Aperture | f/2.2 | - | ||
| Main Camera #3 Lens Type | Depth | - | ||
| Features | HDR, LED flash | LED-Flash | ||
| Camera Stabilization | EIS | No Stabilization | ||
| Dynamic Video Recording Support | SDR recording | SDR recording | ||
| Slow Motion Recording | 240 fps slomo | No slomo | ||
| Auto Focus Type | PDAF | - | ||
| Lens Enhancements | No enhancement | No enhancement | ||
| Video Features | gyro-EIS | - | ||
| Video Recording | 1080p@30fps, 4K@30fps, 720p@240fps | 1080p@30fps | ||
| Dedicated Imaging Chip | - | No Chip |
Operating System
| OS Name | Android | Android | ||
|---|---|---|---|---|
| OS Version | 11 | 15 | ||
| OS Skin | One UI | Xiaomi HyperOS | ||
| OS Updates | 3 year(s) | 2 year(s) | ||
| Security Updates | 4 year(s) | 4 year(s) | ||
| AI Features | - | AI Assistant, AI Camera, Circle to Search with Google, Google Gemini |
Selfie Camera
🏆 Winner: Redmi A7
| Front Camera #1 Megapixel | 20MP | 8MP | ||
|---|---|---|---|---|
| Front Camera #1 Aperture | f/2.2 | f/2.0 | ||
| Front Camera #1 Focal Length | 26mm | - | ||
| Front Camera #1 Lens Type | Wide | Wide | ||
| Features | Face unlock, HdR | Face unlock, Fixed Focus | ||
| Auto Focus Type | Fixed Focus | Fixed Focus | ||
| Video Features | 1080p@30fps | 1080p@30 fps | ||
| Video Recording | 1080@30fps | 1080@30fps | ||
| HDR Recording Support | SDR recording | SDR recording |
Battery
🏆 Winner: Samsung Galaxy M21 2021
| Battery Capacity | 6000mAh | 5200mAh | ||
|---|---|---|---|---|
| Battery Type | Lithium Polymer | - | ||
| Charging Speed Wired | 15W | 15W | ||
| Reverse Wired Charging Support | - | Yes | ||
| Charging Speed Reverse Wired | - | 7.5W |
Network
| Sim Type | Dual nano-SIM (nano-SIM, dual stand-by) | Hybrid Dual SIM (2 Nano SIMs + 1 microSD) | ||
|---|---|---|---|---|
| Network Support | 4G | 4G | ||
| Band Types | GSM, HSPA, LTE | GSM, LTE, WCDMA | ||
| 2G Bands | 1800, 1900, 850, 900 | 3, 5, 8 | ||
| 3G Bands | 850, 900, 1900, 2100 | 1, 5, 8 | ||
| 4G Bands | 1, 3, 5, 7, 8, 20, 38, 40, 41 | 1, 3, 5, 8, 28, 40, 41 |
Connectivity
🏆 Winner: Samsung Galaxy M21 2021
| Wi-Fi Standards | Wi-Fi 5 802.11 a/b/g/n/ac | Wi-Fi 5 802.11 a/b/g/n/ac | ||
|---|---|---|---|---|
| Wi-Fi Version | WiFi 5 | WiFi 5 | ||
| Bluetooth Version | 5 | 5.2 | ||
| Bluetooth Codecs | A2DP, LE | A2DP, LE | ||
| GPS | BDS, GALILEO, GLONASS, GPS | Galileo, Glonass, GPS (L1) | ||
| NFC Support | Supported | - | ||
| Radio | FM Radio | FM Radio |
Features
| Fingerprint Scanner | Rear Mounted | Side Mounted | ||
|---|---|---|---|---|
| Sensors on Board | Accelerometer, Compass, Gyroscope, Proximity Sensor | Accelerometer, Compass | ||
| Haptic Feedback | - | Ordinary Motor |






