Realme C21 vs I Kall Z10
Compare Realme C21 and I Kall Z10 to understand which one suits your needs the best. The Realme C21 is priced from ₹9,999, while I Kall Z10 is available at ₹6,499 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 I Kall Z10 Comparison Overview
| Key Highlights | Realme C21 | I Kall Z10 |
|---|---|---|
| Price | ₹9,999 | ₹6,499 |
| Processor | MediaTek Helio G35 | MediaTek |
| Display | 6.5", HD+ IPS LCD, 60Hz | 6.53", HD IPS LCD, 30Hz |
| Rear Camera | 13MP (Wide-angle), 2MP (Macro), 2MP (Depth), 5MP (Front) | 20MP (Wide-angle), 13MP (Front) |
| Battery | 5000mAh, 10Watt, Charger in the box | 4000mAh, Charger in the box |
| RAM/Storage | 3GB (LPDDR4X), 32GB (UFS 2.1) | 4GB (LPDDR4X), 64GB |
Performance Scorecard
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Realme C21100
I Kall Z1047
CameraSee More Details
Realme C21100
I Kall Z1012
DisplaySee More Details
Realme C21100
I Kall Z1025
BatterySee More Details
Realme C21100
I Kall Z1077
BodySee More Details
Realme C21100
I Kall Z10100
Key Specifications
| Processor | MediaTek Helio G35 | MediaTek | ||
|---|---|---|---|---|
| Display | 6.5", HD+ IPS LCD, 60Hz | 6.53", HD IPS LCD, 30Hz | ||
| Camera | 13MP (Wide-angle), 2MP (Macro), 2MP (Depth), 5MP (Front) | 20MP (Wide-angle), 13MP (Front) | ||
| Battery | 5000mAh, 10Watt, Charger in the box | 4000mAh, Charger in the box | ||
| RAM | 3GB (LPDDR4X) | 4GB (LPDDR4X) | ||
| Storage | 32GB (UFS 2.1) | 64GB |
General
| Box Contents | Phone, 10W Charger, USB Cable, SIM Ejector Tool | Phone, Charger, Type-C Cable | ||
|---|---|---|---|---|
| Colors | Cross Blue, Cross Black | Blue, Black, Orange | ||
| Launch | April 08, 2021 | October 07, 2025 | ||
| Stores | Flipkart, Amazon | Amazon, Flipkart, I KALL | ||
| Launch Country | India | India | ||
| Launch Price | ₹7,299 | ₹7,999 |
Display
🏆 Winner: Realme C21
| Display Type | IPS LCD | IPS LCD | ||
|---|---|---|---|---|
| Refresh Rate | 60Hz | 30Hz | ||
| Playback Quality | SDR | SDR | ||
| Touch Sampling Rate | 120Hz | - | ||
| Display Size | 6.5 inches | 6.53 inches | ||
| Area | 102cm² | - | ||
| Display Form Factor | Flat Display | Flat Display | ||
| Screen to Body Ratio | 89.5 | - | ||
| Resolution Width | 720 pixels | 720 pixels | ||
| Resolution Height | 1600 pixels | 1600 pixels | ||
| Aspect Ratio | 20:9 | - | ||
| Pixel Density | 270ppi | 269ppi | ||
| Display Bit Rate | 8-bit | 8-bit | ||
| Color Gamut Range | 80.8% | - | ||
| Display Resolution | HD+ | HD | ||
| Typical Brightness | 400 nits | - | ||
| Peak Brightness | 1000 nits | - | ||
| Eye Protection | TUV Rheinland certification | - | ||
| Colour Depth | - | 16 Million Colours |
Body
🏆 Winner: Tie
| Height | 162.5mm | 165mm | ||
|---|---|---|---|---|
| Width | 76.4mm | 76.8mm | ||
| Thickness | 8.9mm | 8.8mm | ||
| Weight | 190 grams | 200 grams | ||
| Screen Material | Glass | Glass | ||
| Back Material | Plastic | Plastic | ||
| Side Material | Plastic Frame | Plastic Frame | ||
| Ports | microUSB 2.0 | USB Type-C | ||
| Additional Features | 3.5mm Headphone Jack, OTG | OTG | ||
| Speaker | Loudspeaker | - | ||
| Build Quality | - | Plastic Material | ||
| Sound Tuning | - | No Tuning |
Processor
🏆 Winner: Realme C21
| Chipset Manufacturer | MediaTek | MediaTek | ||
|---|---|---|---|---|
| Chipset | Helio G35 | - | ||
| Fabrication Size | 12nm | - | ||
| Number of Cores | Octa-core | Octa-core | ||
| Clock Speed | (4x2.3 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53) | 2 GHz | ||
| GPU | IMG GE8320 | - |
Performance Benchmarks
| AnTuTu | 146708 | - | ||
|---|---|---|---|---|
| Geekbench 6 CPU Single-Core | 189 | - | ||
| Geekbench 6 CPU Multi-Core | 810 | - |
Main Camera
🏆 Winner: Realme C21
| Main Camera #1 Megapixel | 13MP | 20MP | ||
|---|---|---|---|---|
| Main Camera #1 Aperture | f/2.2 | - | ||
| Main Camera #1 Focal Length | 26mm | - | ||
| Main Camera #1 Pixel Size | 1.12µm | - | ||
| 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 Focal Length | 40mm | - | ||
| Pixel Size | 1.75µm | - | ||
| Main Camera #2 Lens Type | Macro | - | ||
| 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 | - | ||
| Features | HDR | Continuous Shooting, Digital Image Stabilization, Face Detection, HDR | ||
| Camera Stabilization | No Stabilization | No Stabilization | ||
| Dynamic Video Recording Support | HDR recording | SDR recording | ||
| Slow Motion Recording | No slomo | No slomo | ||
| Video Recording | 1080p@30fps | 1080p@30fps | ||
| Auto Focus Type | - | Fixed Focus | ||
| Lens Enhancements | - | No enhancement |
Operating System
| OS Name | Android | Android | ||
|---|---|---|---|---|
| OS Version | 10 | 14 | ||
| OS Skin | Realme UI | Google Android | ||
| Gaming Mode | Yes | - | ||
| OS Updates | 1 year(s) | - | ||
| Security Updates | 3 year(s) | 1 year(s) |
Selfie Camera
🏆 Winner: Realme C21
| Front Camera #1 Megapixel | 5MP | 13MP | ||
|---|---|---|---|---|
| Front Camera #1 Aperture | f/2.2 | - | ||
| Front Camera #1 Pixel Size | 1.12µm | - | ||
| Front Camera #1 Lens Type | Wide | Wide | ||
| Features | Portrait | AI Beauty Mode, Face unlock, Fixed Focus, Portrait Mode, Screen flash | ||
| Video Features | 1080p@30fps | 720p@30fps | ||
| Video Recording | 1080@30fps | 720p@30fps | ||
| Auto Focus Type | - | Fixed Focus | ||
| HDR Recording Support | - | SDR recording |
Battery
🏆 Winner: Realme C21
| Battery Capacity | 5000mAh | 4000mAh | ||
|---|---|---|---|---|
| Battery Type | Lithium Polymer | Lithium Ion | ||
| Reverse Wired Charging Support | Yes | - | ||
| Charging Speed Wired | 10W | - |
Network
| Sim Type | Hybrid Dual SIM (2 Nano SIMs + 1 microSD) | Dual nano-SIM (nano-SIM, dual stand-by) | ||
|---|---|---|---|---|
| Network Support | 4G | 4G | ||
| Band Types | GSM, LTE, WCDMA | GSM, LTE FDD, LTE TD, UMTS, WCDMA | ||
| 2G Bands | 1800, 1900, 850, 900 | 1800, 900 | ||
| 3G Bands | WCDMA 1, 5, 8 | UMTS/WCDMA 1900, 900 | ||
| 4G Bands | 1, 3, 5, 7, 8, 20, 28, 38, 40, 41 | LTE 3, 40 |
Connectivity
🏆 Winner: Realme C21
| Wi-Fi Standards | Wi-Fi 4 802.11 a/b/g/n | Wi-Fi 4 802.11 a/b/g/n | ||
|---|---|---|---|---|
| Wi-Fi Version | WiFi 4 | WiFi 4 | ||
| Bluetooth Version | 5 | 4.2 | ||
| Bluetooth Codecs | A2DP, LE | - | ||
| GPS | AGPS, BeiDou, GLONASS, GPS | A-GPS, GPS | ||
| Radio | FM Radio | - |
Features
| Fingerprint Scanner | Rear Mounted | - | ||
|---|---|---|---|---|
| Sensors on Board | Accelerometer, Compass, Proximity Sensor | Accelerometer, Ambient Light Sensor, Proximity Sensor |
