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Realme C21Y (4GB/64GB)
Bangladesh Price Intelligence Matrix
Indicative price guide across Official, Grey Market & Used tiers (Subject to market fluctuation)
Realme C21Y (4GB/64GB) - Specifications
Full technical hardware breakdown, display, camera, battery & connectivity
General
| Brand | Realme |
|---|---|
| Model | C21Y (4GB/64GB) |
| Device Type | Smartphone |
| Status | Available |
| Release Date | 02 July 2021 |
Hardware & Software
| Operating System | Android |
|---|---|
| OS Version | v10 |
| User Interface | Realme UI |
| Chipset | Unisoc T610 |
| CPU | Octa core (1.8 GHz, Dual core, Cortex A75 + 1.8 GHz, Hexa Core, Cortex A55) |
| CPU Cores | 8 Cores |
| Architecture | 64 bit |
| Fabrication | 12 nm |
| GPU | Mali-G52 |
Display
| Display Type | IPS LCD |
|---|---|
| Screen Size | 6.5 inches (16.51 cm) |
| Resolution | 720x1600 px (HD+) |
| Aspect Ratio | 20:9 |
| Pixel Density | 270 ppi |
| Screen to Body Ratio | 81.59 % |
| Screen Protection | Gorilla Glass |
| Bezel-less Display | Yes with waterdrop notch |
| Touch Screen | Capacitive Touchscreen, Multi-touch |
| Brightness | 420 nits |
| Refresh Rate | 60 Hz |
| Notch | Waterdrop |
Cameras
| Camera Setup | Single |
|---|---|
| Resolution | 5 MP f/2.2, Wide Angle, Primary Camera |
| Sensor | CMOS |
| Autofocus | Phase Detection autofocus |
| Flash | LED Flash |
| Settings | Exposure compensation, ISO control |
| Zoom | 4 x Digital Zoom |
| Shooting Modes | Continuous Shooting, High Dynamic Range mode (HDR) |
| Aperture | f/2.2 |
| Camera Features | Fixed Focus |
| Video Recording | 1280x720 |
| Video FPS | 30 fps |
| Image Resolution | 4128 x 3096 Pixels |
Design
| Height | 164.5 mm |
|---|---|
| Width | 76 mm |
| Build | Glass front, plastic back, plastic frame |
| Colors | Cross Blue, Cross Black |
| Thickness | 9.1 mm |
| Weight | 200 grams |
Battery
| Battery type | Li-Ion (Lithium Ion) |
|---|---|
| Capacity | 5000 mAh |
| Reverse Charging | Yes |
| Placement | Non-removable |
Memory
| Internal Storage | 64 GB |
|---|---|
| Storage Type | eMMC 5.1 |
| USB OTG | Yes |
| RAM | 4 GB |
| RAM Type | LPDDR4X |
| Expandable Memory | Yes, Up to 256 GB |
Network & Connectivity
| Network | 2G, 3G, 4G |
|---|---|
| SIM Slot | Dual SIM, GSM+GSM |
| SIM Size | SIM1: Nano, SIM2: Nano |
| EDGE | Available |
| GPRS | Available |
| VoLTE | Yes |
| Speed | HSPA, LTE |
| WLAN | Wi-Fi 4 (802.11 b/g/n) |
| Bluetooth | v5.0 |
| GPS | Yes with A-GPS, Glonass |
| Wi-fi Hotspot | Yes |
| USB | Mass storage device, USB charging, microUSB 2.0 |
| SAR Value | Head: 0.855 W/kg, Body: 0.674 W/kg |
Sensors & security
| Light Sensor | Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope |
|---|---|
| Fingerprint Sensor | Yes |
| Finger Sensor Position | Rear-mounted |
| Face Unlock | Yes |
Multimedia
| Loudspeaker | Yes |
|---|---|
| Audio Jack | 3.5 mm |
| Video | 1920x1080 |
| Alert Types | Vibration, MP3, WAV ringtones |
More
| Made By | China |
|---|---|
| Features | Accelerometer, proximity, compass |
Realme C21Y (4GB/64GB) - Tech Analysis & In-Depth Review
Editorial hardware critique, benchmark assessment, real-world experience & FAQs
•
Bangladesh Market Context
From university lecture halls in Rajshahi to hectic transit routes along Airport Road in Dhaka, smartphones need to be dependable tools. The Realme C21Y (4GB/64GB) enters the ring armed with Octa-core processor and Clear display, promising steady performance without burning a hole in your pocket at ৳13,990. With a competitive price positioning of ৳13,990, our hands-on analysis evaluates whether this device truly justifies your investment.
01
Chassis Durability & Commuter Usability
Torsional stiffness on the Realme C21Y (4GB/64GB) is surprisingly good. Squeeze the frame firmly or try to twist it, and there is zero flex. That means if you accidentally sit down with the phone in your back pocket, you won’t risk damaging the internal logic board or cracking the display connectors.
02
Display Reality & Midday Sun Legibility
Color temperature calibration leans pleasantly neutral, accurately preserving skin tones in family photos and YouTube videos. Contrast levels remain deep and punchy, making movie streaming enjoyable without annoying color distortion across off-center viewing angles.
03
Processor Speed, Frame Stability & Daily Gaming
Power efficiency is where the Octa-core processor truly shines. The core architecture ensures that everyday background tasks like music streaming and email sync sip power gently, keeping reserve power ready for camera processing and video playback.
04
Everyday Camera Test: Street Snaps & Dusk Shots
On paper, Realme advertises the Main camera. In real-world shooting, how do the photos actually look? In daylight, street snaps come out sharp with natural contrast. Shadows retain good texture without aggressive digital noise. But where this camera really impressed us is skin tones. Too many budget phones artificially bleach South Asian skin tones to make people look unrealistically pale. The Realme C21Y (4GB/64GB) avoids that trap entirely, keeping warm, authentic facial tones intact. Night mode takes about two seconds to capture, cleaning up noise around bright streetlights while keeping signboards legible. For video, electronic stabilization keeps walking footage steady enough for instant sharing to Facebook and Instagram.
05
Daily Power Efficiency & Highway Travel Endurance
Commuting along highway routes like Dhaka to Chittagong can normally drain batteries fast as phones search for cellular towers. The Realme C21Y (4GB/64GB) manages cell tower handovers efficiently, keeping standby battery drain smooth and steady.
06
Market Assessment: Resale Liquidity & Long-Term Ownership
Our verdict on the Realme C21Y (4GB/64GB) is straightforward and practical. At ৳13,990, it doesn’t waste money on gimmicks you don’t need. It spends its hardware budget where it matters: a bright screen, long battery endurance, crisp calling audio, and solid everyday performance.
🎯 The Bangladesh Buyer Decision Matrix
✓ Who Should Buy This (Key Strengths):
- Smooth daily performance with the Octa-core processor. Swapping between daily apps feels snappy and clean.
- Punchy Clear display. Reading messages and watching clips under outdoor light is easy on the eyes.
- Big 5000 mAh battery with Fast charging. Easily gets you through 14+ hours out in Dhaka traffic.
✕ Who Should Consider Alternatives (Trade-offs):
- Long gaming sessions on maximum graphics can make the camera ring warm up a bit.
- The extra macro or depth camera lenses don’t add much value over the main lens.
💬 Frequently Asked Questions: Realme C21Y (4GB/64GB)
Does the Realme C21Y (4GB/64GB) overheat when gaming or charging in non-air-conditioned rooms in Bangladesh?
Thanks to modern internal cooling sheets and the efficient Octa-core processor, the Realme C21Y (4GB/64GB) manages heat safely even during humid summer days, keeping the chassis comfortably warm rather than uncomfortably hot.
How fluid is the Clear display when scrolling through Facebook, TikTok, and news feeds?
The high-refresh Clear display makes scrolling through long feeds, PDF documents, and system menus feel remarkably smooth and responsive. Dynamic refresh tuning automatically dials down frequency when reading static text to conserve battery.
Does the Realme C21Y (4GB/64GB) support fast app switching between bKash, banking apps, and WhatsApp?
Yes. Equipped with System RAM and intelligent background memory management, the handset allows seamless switching between financial apps, ride-sharing platforms, and social messaging without annoying app reload delays.
How does the Main camera perform for nighttime street photography in Dhaka?
Night mode uses multi-frame exposure stacking to pull clean detail out of dark shadows while controlling bright streetlamp glare, producing vibrant, low-noise nighttime photos suitable for direct social media sharing.
What is the difference between official and unofficial grey-market prices for Realme C21Y (4GB/64GB) in Bashundhara City?
While unofficial shops in Bashundhara City and Motaleb Plaza may sell imported grey-market units slightly below ৳13,990, official distributor units guarantee genuine BTRC IMEI registration, official 1-year brand warranty, and authentic in-box accessories.
Realme C21Y (4GB/64GB) - User Reviews & Ratings
Community feedback, real user experiences and verified owner ratings
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