- Asus Zenfone Selfie ZD551KL
- Vivo Y21d 4G
| Product Image |
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| Product Name | Asus Zenfone Selfie ZD551KL | Vivo Y21d 4G |
| Price |
৳. 16,290
|
৳. 18,999
|
| Rating |
3.3
|
3.7
|
| Brand | Asus | Vivo |
| Category | Smart Phone | Smart Phone |
General
| Brand |
Asus
Vivo
|
| Model |
Zenfone Selfie ZD551KL
Y21d 4G
|
| Device Type |
Smartphone
Smartphone
|
| Price in BD |
BDT. 16,290 (Official)
BDT. 18,999 (Official)
|
| Release Date |
01 August 2015
15 September 2025
|
| Status |
Available
Available
|
| Camera |
13 MP
Rear: 50+2MP / Front: 8MP
|
| Display |
5.5 inches (82.6 cm2)
6.68 inches (16.97 cm)
|
| Processor |
Qualcomm Snapdragon 615 MSM8939
Unisoc T7200
|
| Battery |
3000 mAh
6500 mAh
|
Display
| Display Type |
IPS LCD
IPS LCD
|
| Screen Size |
5.5 inches (13.97 cm)
6.68 inches (16.97 cm)
|
| Resolution |
1080x1920 px (FHD+)
720x1608 px (HD+)
|
| Pixel Density |
401 ppi
264 ppi
|
| Screen to Body Ratio |
68.86 %
N/A
|
| Screen Protection |
Corning Gorilla Glass v4
Gorilla Glass
|
| Bezel-less Display |
Yes with notch
Yes with punch-hole display
|
| Touch Screen |
Capacitive Touchscreen, Multi-touch
Capacitive Touchscreen, Multi-touch
|
| Notch |
Yes
Punch-hole
|
Hardware & Software
Software
| Operating System |
Android
Android
|
| OS Version |
v6.0
v15
|
| User Interface |
ZenUI
Funtouch OS 15
|
Processor
| Chipset |
Qualcomm MSM8939 Snapdragon 615
Unisoc T7200
|
| CPU |
Octa-core (4x1.7 GHz Cortex-A53 & 4x1.0 GHz Cortex-A53)
Octa-core (2x1.8 GHz Cortex-A75 & 6x1.6 GHz Cortex-A55)
|
| CPU Cores |
8 Cores
8 Cores
|
| Architecture |
64 bit
64 bit
|
| Fabrication |
28 nm
12 nm
|
| GPU |
Adreno 405
Mali-G57 MP1
|
Memory
| Internal Storage |
16 GB
128 GB
|
| Expandable Memory |
Up to 256 GB
Up to 2 TB
|
| RAM |
3 GB
6 GB
|
Cameras
Main Camera
| Camera Setup |
Single
Dual
|
| Resolution |
13 MP f/2.0, Primary Camera
50 MP, f/1.8, Wide Angle, Primary Camera, 0.08 MP, f/3.0, Camera
|
| Autofocus |
Laser autofocus
Yes
|
| Flash |
Dual-color LED Flash
Ring-LED flash
|
| Image Resolution |
4128 x 3096 Pixels
8150 x 6150 Pixels
|
| Settings |
Exposure compensation, ISO control
Exposure compensation, ISO control
|
| Zoom |
Digital Zoom
Digital Zoom
|
| Shooting Modes |
Continuous Shooting High Dynamic Range mode (HDR) Macro Mode
Continuous Shooting, High Dynamic Range mode (HDR)
|
| Aperture |
f/2.0
f/1.8
|
| Camera Features |
Auto Flash
Digital image stabilization, Face detection, Touch to focus
Photo, Night, Portrait, Video, Live Photo, Slo-mo, Time-lapse, Pro, Pano, Documents, Underwater Photography
|
| Video Recording |
1920x1080
1920x1080
|
| Video FPS |
30 fps
30 fps
|
Selfie Camera
| Camera Setup |
Single
Single
|
| Resolution |
13 MP f/2.2, Primary Camera
5 MP, f/2.2, Wide Angle, Primary Camera
|
| Autofocus |
Yes
N/A
|
| Flash |
Dual-Color LED Flash
N/A
|
| Video Recording |
1920x1080
1920x1080
|
| Video FPS |
30 fps
30 fps
|
| Aperture |
f/2.2
f/2.2
|
Design & Build
| Dimensions |
156.5 x 77.2 x 10.8 mm
166.14 x 77.01 x 8.39 mm
|
| Height |
156.5 mm
166.14 mm
|
| Width |
77.2 mm
77.01 mm
|
| Thickness |
10.8 mm
8.39 mm
|
| Colors |
Pure White, Chic Pink, Aqua Blue
Jade Green, Coral Red
|
Battery
| Battery type |
Li-Poly (Lithium Polymer)
Li-Ion (Lithium Ion)
|
| Capacity |
3000 mAh
6500 mAh
|
| Placement |
Non-removable
Non-removable
|
Network
SIM 1
| Technology |
2G, 3G, 4G
2G, 3G, 4G
|
| SIM Size |
Micro
Nano
|
| SIM Slot |
Dual SIM, GSM+GSM
Dual SIM, GSM+GSM
|
| 2G Bands |
GSM 1800 / 1900 / 850 / 900 MHz
GSM 1800 / 1900 / 850 / 900 MHz
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| 3G Bands |
UMTS 1900 / 2100 / 850 / 900 MHz
UMTS 1900 / 2100 / 850 / 900 MHz
|
| 4G Bands |
TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) / 1900(band 39) FD-LTE 2100(band 1) / 1800(band 3)
TD-LTE 2300(band 40) FD-LTE 1800(band 3)
|
| 3G Speed |
HSDPA 42 Mbit/s ↓, HSUPA 5.76 Mbit/s ↑
N/A
|
| 4G Speed |
50 Mbit/s ↑ 150 Mbit/s ↓ (LTE category 4)
N/A
|
| VoLTE |
Yes
Yes
|
| GPRS |
Available
Available
|
| EDGE |
Available
Available
|
| Speed |
HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
HSPA, LTE
|
SIM 2
| Technology |
2G, 3G, 4G
2G, 3G, 4G
|
| SIM Type |
Micro
N/A
|
| SIM Slot |
Dual SIM, GSM+GSM
Dual SIM, GSM+GSM
|
| 2G Bands |
GSM 1800 / 1900 / 850 / 900 MHz
GSM 1800 / 1900 / 850 / 900 MHz
|
| 3G Bands |
UMTS 1900 / 2100 / 850 / 900 MHz
UMTS 1900 / 2100 / 850 / 900 MHz
|
| 4G Bands |
TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) / 1900(band 39) FD-LTE 2100(band 1) / 1800(band 3)
TD-LTE 2300(band 40) FD-LTE 1800(band 3)
|
| 3G Speed |
HSDPA 42 Mbit/s ↓
N/A
|
| 4G Speed |
50 Mbit/s ↑ 150 Mbit/s ↓ (LTE category 4)
N/A
|
| VoLTE |
Yes
Yes
|
| GPRS |
Available
Available
|
| EDGE |
Available
Available
|
| Speed |
HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
HSPA, LTE
|
Connectivity
| WLAN |
Wi-Fi 4 (802.11 b/g/n)
Wi-Fi 5 (802.11 a/b/g/n/ac) 5GHz
|
| Bluetooth |
v4.0
v5.2
|
| GPS |
Yes, with A-GPS
Yes with A-GPS, Glonass
|
| Wi-fi Hotspot |
Yes
Yes
|
| USB |
Mass storage device, USB charging, microUSB 2.0
Mass storage device, USB charging
|
Multimedia
| FM Radio |
Yes
Yes
|
| Loudspeaker |
Yes
Yes
|
| Alert Types |
Vibration, MP3, WAV ringtones
N/A
|
| Video |
1080p@30fps
1080p@30fps, gyro-EIS
|
| Document Reader |
Yes
Yes
|
| Audio Jack |
3.5 mm
USB Type-C
|
Sensors & Security
| Light Sensor |
Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope
Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope
|
Manufacturer
| First Arrival |
01 August 2015
15 September 2025
|
| Manufactured By |
Asus
Vivo
|
| Availability |
Available
Available
|
| Made By |
Taiwan
China
|
More
| Sensor |
Accelerometer, Compass, Gyroscope
Accelerometer, gyro, proximity, compass
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