Realme C51 vs Realme C21
Compare Realme C51 and Realme C21 to understand which one suits your needs the best. The Realme C51 is priced from ₹8,999, while Realme C21 is available at ₹7,999 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 C51 vs Realme C21 Comparison Overview
| Key Highlights | Realme C51 | Realme C21 |
|---|---|---|
| Price | ₹8,999 | ₹7,999 |
| Processor | Unisoc Tiger T612 | MediaTek Helio G35 |
| Display | 6.74", HD+ IPS LCD, 90Hz | 6.5", HD+ IPS LCD, 60Hz |
| Rear Camera | 50MP (Wide-angle), 5MP (Auxiliary), 5MP (Front) | 13MP (Wide-angle), 2MP (Macro), 2MP (Depth), 5MP (Front) |
| Battery | 5000mAh, 33Watt, Charger in the box | 5000mAh, 10Watt, Charger in the box |
| RAM/Storage | 4GB (LPDDR4X), 64GB (UFS 2.1) | 3GB (LPDDR4X), 32GB (UFS 2.1) |
Performance Scorecard
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Key Specifications
| Processor | Unisoc Tiger T612 | MediaTek Helio G35 | ||
|---|---|---|---|---|
| Display | 6.74", HD+ IPS LCD, 90Hz | 6.5", HD+ IPS LCD, 60Hz | ||
| Camera | 50MP (Wide-angle), 5MP (Auxiliary), 5MP (Front) | 13MP (Wide-angle), 2MP (Macro), 2MP (Depth), 5MP (Front) | ||
| Battery | 5000mAh, 33Watt, Charger in the box | 5000mAh, 10Watt, Charger in the box | ||
| RAM | 4GB (LPDDR4X) | 3GB (LPDDR4X) | ||
| Storage | 64GB (UFS 2.1) | 32GB (UFS 2.1) |
General
| Box Contents | Phone, 33W Charger, Type-C Cable, Case, SIM Ejector Tool | Phone, 10W Charger, USB Cable, SIM Ejector Tool | ||
|---|---|---|---|---|
| Colors | Mint Green, Carbon Black | Cross Blue, Cross Black | ||
| Launch | September 04, 2023 | April 08, 2021 | ||
| Stores | Realme, Flipkart, Amazon, Reliance Digital | Flipkart, Amazon | ||
| Launch Country | India | India | ||
| Launch Price | ₹8,999 | ₹7,999 |
Display
🏆 Winner: Realme C21
| Display Type | IPS LCD | IPS LCD | ||
|---|---|---|---|---|
| Refresh Rate | 90Hz | 60Hz | ||
| Playback Quality | SDR | SDR | ||
| Touch Sampling Rate | 180Hz | 120Hz | ||
| Display Size | 6.74 inches | 6.5 inches | ||
| Area | 109.7cm² | 102cm² | ||
| Display Form Factor | Flat Display | Flat Display | ||
| Screen to Body Ratio | 90.3 | 89.5 | ||
| Resolution Width | 720 pixels | 720 pixels | ||
| Resolution Height | 1600 pixels | 1600 pixels | ||
| Aspect Ratio | 20:9 | 20:9 | ||
| Pixel Density | 260ppi | 270ppi | ||
| Display Bit Rate | 8-bit | 8-bit | ||
| Display Resolution | HD+ | HD+ | ||
| Peak Brightness | 560 nits | 1000 nits | ||
| Colour Depth | 16.7 Million Colours | - | ||
| Color Gamut Range | - | 80.8% | ||
| Typical Brightness | - | 400 nits | ||
| Eye Protection | - | TUV Rheinland certification |
Body
🏆 Winner: Realme C51
| Height | 167.2mm | 162.5mm | ||
|---|---|---|---|---|
| Width | 76.7mm | 76.4mm | ||
| Thickness | 8mm | 8.9mm | ||
| Weight | 186 grams | 190 grams | ||
| Screen Material | Glass | Glass | ||
| Back Material | Plastic | Plastic | ||
| Side Material | Plastic Frame | Plastic Frame | ||
| Build Quality | Plastic Material | - | ||
| Ports | USB Type-C 2.0 | microUSB 2.0 | ||
| Additional Features | OTG | 3.5mm Headphone Jack, OTG | ||
| Speaker | Mono Speaker | Loudspeaker | ||
| Sound Tuning | No Tuning | - |
Processor
🏆 Winner: Realme C51
| Chipset Manufacturer | Unisoc | MediaTek | ||
|---|---|---|---|---|
| Chipset | Tiger T612 | Helio G35 | ||
| Fabrication Size | 12nm | 12nm | ||
| Number of Cores | Octa-core | Octa-core | ||
| Clock Speed | 2x1.8 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55 | (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53) | ||
| GPU | Mali-G57 | IMG GE8320 |
Performance Benchmarks
| AnTuTu | 244837 | 146708 | ||
|---|---|---|---|---|
| Geekbench 6 CPU Single-Core | 422 | 189 |
Main Camera
🏆 Winner: Realme C21
| Main Camera #1 Megapixel | 50MP | 13MP | ||
|---|---|---|---|---|
| Main Camera #1 Aperture | f/1.8 | f/2.2 | ||
| Main Camera #1 Focal Length | 27mm | 26mm | ||
| Main Camera #1 Pixel Size | 0.64µm | 1.12µm | ||
| Main Camera #1 Lens Type | Wide-angle | Wide-angle | ||
| Main Camera #1 Camera Sensor | Unknown Sensor | - | ||
| Main Camera #1 Sensor Size | 1/2.76" | 1/3.06" | ||
| Main Camera #2 Megapixel | 5MP | 2MP | ||
| Main Camera #2 Lens Type | Auxiliary | Macro | ||
| Main Camera #2 Camera Sensor | Unknown Sensor | - | ||
| Features | Filter, HDR, Panaroma, Slow Motion | HDR | ||
| Camera Stabilization | No Stabilization | - | ||
| Dynamic Video Recording Support | SDR recording | HDR recording | ||
| Slow Motion Recording | 120 fps slomo | - | ||
| Dedicated Imaging Chip | No Chip | - | ||
| Lens Enhancements | No enhancement | - | ||
| Video Features | 120fps Slo-mo | - | ||
| Video Recording | 1080p@30fps | 1080p@30fps | ||
| Main Camera #2 Aperture | - | f/2.4 | ||
| Main Camera #2 Focal Length | - | 40mm | ||
| Pixel Size | - | 1.75µm | ||
| Main Camera #3 Megapixel | - | 2MP | ||
| Main Camera #3 Aperture | - | f/2.4 | ||
| Main Camera #3 Focal Length | - | 25mm | ||
| Main Camera #3 Pixel Size | - | 1.75µm | ||
| Main Camera #3 Lens Type | - | Depth |
Operating System
| OS Name | Android | Android | ||
|---|---|---|---|---|
| OS Version | 13 | 10 | ||
| OS Skin | Realme UI | Realme UI | ||
| Security Updates | 1 year(s) | 3 year(s) | ||
| Gaming Mode | - | Yes | ||
| OS Updates | - | 1 year(s) |
Selfie Camera
🏆 Winner: Realme C51
| Front Camera #1 Megapixel | 5MP | 5MP | ||
|---|---|---|---|---|
| Front Camera #1 Aperture | f/2.2 | f/2.2 | ||
| Front Camera #1 Focal Length | 28mm | - | ||
| Front Camera #1 Pixel Size | 1.12µm | 1.12µm | ||
| Front Camera #1 Lens Type | Wide | Wide | ||
| Front Camera #1 Camera Sensor | Unknown Sensor | - | ||
| Front Camera #1 Sensor Size | 1/5" | - | ||
| Features | AI Beauty Mode, Face recognition, Filters, Portrait Mode | Portrait | ||
| Video Features | 480p@30fps, 720p@30fps | 1080p@30fps | ||
| HDR Recording Support | SDR recording | - | ||
| Video Recording | - | 1080@30fps |
Battery
🏆 Winner: Realme C51
| Battery Capacity | 5000mAh | 5000mAh | ||
|---|---|---|---|---|
| Battery Type | Lithium Polymer | Lithium Polymer | ||
| Charging Speed Wired | 33W | 10W | ||
| Reverse Wired Charging Support | - | Yes |
Network
| Sim Type | Hybrid Dual SIM (2 Nano SIMs + 1 microSD) | 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 | 1800, 1900, 850, 900 | ||
| 3G Bands | 1, 5, 8 | WCDMA 1, 5, 8 | ||
| 4G Bands | 1, 3, 5, 8, 38, 40, 41 | 1, 3, 5, 7, 8, 20, 28, 38, 40, 41 |
Connectivity
🏆 Winner: Realme C51
| Wi-Fi Standards | Wi-Fi 5 802.11 a/b/g/n/ac | Wi-Fi 4 802.11 a/b/g/n | ||
|---|---|---|---|---|
| Wi-Fi Version | WiFi 5 | WiFi 4 | ||
| Bluetooth Version | 5 | 5 | ||
| Bluetooth Codecs | A2DP, LE | A2DP, LE | ||
| GPS | A-GPS, GPS | AGPS, GPS | ||
| NFC Support | Supported | - | ||
| Radio | - | FM Radio |
Features
| Fingerprint Scanner | Side Mounted | Rear Mounted | ||
|---|---|---|---|---|
| Sensors on Board | Accelerometer, Compass, Gyroscope, Proximity Sensor | Accelerometer, Compass, Proximity Sensor |






