Realme C21Y
VS
Xiaomi Redmi Note 15
Feature Comparison
Initial data or main information
Initial data or main information
| Price Range at Time of Release | € 167.23 / $ 252.00 / £ 199.00 / ₹ 21,145 | |
|---|---|---|
| Introduction Time | June 21, 2021 | - |
| Availability Status | Released | - |
| Official Release Date | July 2, 2021 | 2026, January 06 |
| Operating System Type at Release | Android | Android 15 |
| Operating System at Release | Android 10 | Android 15, up to 4 major Android upgrades, HyperOS 2 |
| Part Numbers | - | 25096RA9BG, 25098RA98G |
| European SAR rate (SAR EU) | - | 1.00 W/kg (head) 0.99 W/kg (body) |
| Specific absorption rate (SAR) | - | 1.00 W/kg (head) 0.99 W/kg (body) |
Aesthetic features
Aesthetic features
| Size and Dimensions | 164.5 x 76 x 9.1 mm | 164 x 75.4 x 7.4 mm (6.46 x 2.97 x 0.29 in) |
|---|---|---|
| Product Weight | 200 gram (g) | 178 g |
| Color Options | - | Black, Glacier Blue, Mist Purple |
Style and design
Style and design
| Front Panel Material | Glass | Glass front, plastic frame, plastic back |
|---|---|---|
| Frame material type | Metal - 7000 Series Aluminum | IP66 dust tight and water resistant (high pressure water jets) |
| Back body material | - | Plastic |
Display
Display
| Screen Size | 6.5 inch | - |
|---|---|---|
| Display Panel Type | AMOLED, 68B colors, 120Hz, 3840Hz PWM, HDR10+, 800 nits (typ), 3200 nits (peak) | |
| Display Resolution | 1080 x 2392 pixels (~388 ppi density) | |
| Pixel Density Range | - | |
| Screen-to-Body Ratio | ~81.6 percent (%) | - |
| Screen Aspect Ratio | 20:9 | - |
| Maximum Brightness Level | 400 nit | 1524 nits max brightness (measured) |
| Screen Size | - | 6.77 inches, 110.9 cm 2 (~89.7% screen-to-body ratio) |
| Display Technical Details | - | Scratch/drop-resistant glass, Mohs level 5 |
| Highest Refresh Rate | - | 120Hz |
Storage memory
Storage memory
| Internal Memory Capacity | 128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM, 512GB 8GB RAM, 512GB 12GB RAM | |
|---|---|---|
| Internal Storage Type | - | UFS 2.2 |
| RAM Memory | - | 6GB, 8GB, 12GB |
Connections
Connections
| Memory Card Slot | Yes | microSDXC (uses shared SIM slot) |
|---|---|---|
| Bluetooth Support | 5.1 or 5.3, A2DP, LE |
Main memory and RAM
Main memory and RAM
| Memory Card Slot Type | microSDXC (dedicated slot) | microSDXC |
|---|---|---|
| Internal Memory and RAM Performance | - | UFS 2.2 |
| Supported Memory Card Capacity | - | Uses shared SIM slot |
Main camera
Main camera
| Main Camera Type - Wide/Standard | 13 megapixel (mp) | Wide/Standard |
|---|---|---|
| Macro Camera Type | 2 megapixel (mp) | - |
| Depth Sensor Camera | 2 megapixel (mp) | - |
| Maximum Video Recording Quality of Rear Camera | 4K@30fps, 1080p@30fps, gyro-EIS, OIS | |
| Main Camera Specifications - Wide/Standard | - | LED flash, HDR, panorama |
| Rear Camera Details | - | LED flash, HDR, panorama |
| Video Quality: Resolution and Frame Rate | - | 4K@30fps, 1080p@30fps |
Front camera
Front camera
| Main Selfie Camera Quality | 5 megapixel (mp) | 20 MP |
|---|---|---|
| Maximum Video Recording Resolution of Selfie Camera | 1080p | |
| Main Selfie Camera Specifications | - | 20 MP, f/2.2, 21mm (wide), 1/4.0" |
| Resolution and Frame Rate of Selfie Video | - | 1080p@30fps |
Power supply and battery life
Power supply and battery life
| Battery Capacity | 5000mAh | 5520 mAh |
|---|---|---|
| Battery Technology | Lithium Polymer | Si/C Li-Ion 5520 mAh |
Battery and charging features
Battery and charging features
| Battery Replaceability | Non-user replaceable | - |
|---|---|---|
| Wireless Charging Support | No | - |
| Connection Port Type | USB Type-C 2.0 | |
| OTG Support | Yes | Yes |
| Maximum Supported Charging Power | - | 45W wired |
| Other battery and charging features | - | Si/C Li-Ion |
Audio features
Audio features
| Speaker Type | Mono | - |
|---|---|---|
| Number of 3.5mm Jacks | Yes | No |
| Speaker Type | - | -23.4 LUFS (Very good) |
| Audio Capabilities | - | 24-bit/192kHz Hi-Res audio |
Communications and sensors
Communications and sensors
| Fingerprint Sensor Type | On the back of the phone | under display, optical |
|---|---|---|
| Wi-Fi Specifications | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct | |
| Communication Technologies | - | |
| 5G Support | No | 1, 2, 3, 5, 7, 8, 12, 20, 26, 28, 38, 40, 41, 48, 66, 71, 77, 78 SA/NSA - International |
| Navigation Type and GPS | GPS, GLONASS, BDS, GALILEO | |
| Wi-Fi Details and Description | - | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct |
| Bluetooth Details and Description | - | Bluetooth 5.1 or 5.3, A2DP, LE |
Time and method of release
Time and method of release
| Availability Status | - | Available. Released 2026, January 06 |
|---|---|---|
| Introduction Time | - | 2025, December 18 |
Body material and design
Body material and design
| Compatible SIM Card Types | - | Nano-SIM + Nano-SIM |
|---|
Processor or chip
Processor or chip
| Chipset Model | - | Qualcomm SM6475-AB Snapdragon 6 Gen 3 (4 nm) |
|---|---|---|
| Processor Core Details | - | Octa-core (4x2.4 GHz Cortex-A78 & 4x1.8 GHz Cortex-A55) |
| Other Technical Details of Chipset | - | Virtual Proximity Sensing |
| Chip Manufacturing Process | - | 4 nm |
| Number of Processor Cores | - | Octa-core |
Central Processor (CPU)
Central Processor (CPU)
| GPU Model | - | Adreno 710 |
|---|
Capabilities
Capabilities
| Smart Sensors | - | Fingerprint (under display, optical), accelerometer, gyro, compass |
|---|
Technical features
Technical features
| Fast Charging Capability | - | 45W wired |
|---|
Technical Details
Technical Details
| Performance | - | AnTuTu: 637266 (v10) |
|---|
Motorcycle Technical Features
Motorcycle Technical Features
| Battery | - | 51:22h endurance, 1000 cycles |
|---|
Power
Power
| Energy efficiency class | - | Class B |
|---|
Network connections
Network connections
| Communication Technologies | - | Yes (market/region dependent) |
|---|
Visual details
Visual details
| Supported HDR Standards | - | HDR10+ |
|---|
Disclaimer: Information on this page may need review. If you notice any discrepancies, please report them
User Rating Comparison
Realme C21Y
0
/10
from total 1 Vote
Xiaomi Redmi Note 15
0
/10
from total 1 Vote
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