- Samsung Galaxy A40 4G
- Vivo Y21d 4G 8GB/128GB
| Product Image |
|
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| Product Name | Samsung Galaxy A40 4G | Vivo Y21d 4G 8GB/128GB |
| Price |
৳. 23,990
|
৳. 20,999
|
| Rating |
3.4
|
3.7
|
| Brand | Samsung | Vivo |
| Category | Smart Phone | Smart Phone |
General
| Brand |
Samsung
Vivo
|
| Model |
Galaxy A40 4G
Y21d 4G 8GB/128GB
|
| Device Type |
Smartphone
Smartphone
|
| Price in BD |
BDT. 23,990 (Official)
BDT. 20,999 (Official)
|
| Release Date |
01 March 2019
15 September 2025
|
| Status |
Available
Available
|
| Camera |
Rear: 16+2MP / Front: 25MP
Rear: 50+0.08MP / Front: 5MP
|
| Display |
5.9 inches (14.99 cm)
6.68 inches (16.97 cm)
|
| Processor |
Exynos 7904
Unisoc T7200
|
| Battery |
3100 mAh
6500 mAh
|
Display
| Display Type |
Super AMOLED
IPS LCD
|
| Screen Size |
5.9 inches (14.99 cm)
6.68 inches (16.97 cm)
|
| Resolution |
1080x2340 px (FULL HD Plus)
720x1608 px (HD+)
|
| Aspect Ratio |
19.5:9
N/A
|
| Pixel Density |
437 ppi
264 ppi
|
| Screen to Body Ratio |
85.33 %
N/A
|
| Screen Protection |
Corning Gorilla Glass v3
Gorilla Glass
|
| Bezel-less Display |
Yes with waterdrop notch
Yes with punch-hole display
|
| Touch Screen |
Capacitive Touchscreen, Multi-touch
Capacitive Touchscreen, Multi-touch
|
| Refresh Rate |
60 Hz
90 Hz
|
| Notch |
Waterdrop
Punch-hole
|
Hardware & Software
Software
| Operating System |
Android
Android
|
| OS Version |
v9.0 (Pie)
v15
|
Processor
| Chipset |
Exynos 7904
Unisoc T7200
|
| CPU |
Octa core (1.8 GHz, Dual core, Cortex A73 + 1.6 GHz, Hexa Core, 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 |
14 nm
12 nm
|
| GPU |
Mali-G71 MP2
Mali-G57 MP1
|
Memory
| Internal Storage |
64 GB
128 GB
|
| Storage Type |
eMMC 5.1
eMMC 5.1
|
| Expandable Memory |
Up to 512 GB
Up to 2 TB
|
| USB OTG |
Yes
Yes
|
| RAM |
4 GB
6 GB
|
| RAM Type |
LPDDR4X
LPDDR4X
|
Cameras
Main Camera
| Camera Setup |
Dual
Dual
|
| Resolution |
16 MP f/1.7, Primary Camera, 5 MP f/2.2, Ultra-Wide Angle Camera
50 MP, f/1.8, Wide Angle, Primary Camera, 0.08 MP, f/3.0, Camera
|
| Autofocus |
Yes
Yes
|
| Flash |
LED Flash
LED Flash
|
| Image Resolution |
4616 x 3464 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), Burst mode, Macro Mode
Continuous Shooting, High Dynamic Range mode (HDR)
|
| Aperture |
f/1.7
f/1.8
|
| Camera Features |
Auto Flash, 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 |
25 MP f/2.0, Primary Camera
5 MP, f/2.2, Wide Angle, Primary Camera
|
| Video Recording |
1920x1080
1920x1080
|
| Video FPS |
30 fps
30 fps
|
| Aperture |
f/2.0
f/2.2
|
Design & Build
| Dimensions |
144.4 x 69.2 x 7.9 mm (5.69 x 2.72 x 0.31 in)
166.14 x 77.01 x 8.39 mm
|
| Build |
Glass front (Gorilla Glass 3), plastic back, plastic frame
Composite plastic sheet
|
| Weight |
140 grams
209 grams
|
| Height |
144.4 mm
166.14 mm
|
| Width |
69.2 mm
77.01 mm
|
| Thickness |
7.9 mm
8.39 mm
|
| Colors |
Black, Blue, Orange, White
Jade Green, Coral Red
|
Battery
| Battery type |
Li-Poly (Lithium Polymer)
Li-Ion (Lithium Ion)
|
| Capacity |
3100 mAh
6500 mAh
|
| Quick Charging |
15W wired, QC2
44W wired
|
| Reverse Charging |
Yes
N/A
|
| Placement |
Non-removable
Non-removable
|
| Talk Time |
Up to 18 Hours(3G)
N/A
|
| USB Type-C |
USB Type-C 2.0
USB Type-C 2.0
|
Network
SIM 1
| Technology |
2G, 3G, 4G
2G, 3G, 4G
|
| SIM Size |
Nano
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
|
| 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) FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 700(band 28) / 1900(band 2) / 1700(band 4) / 850(band 5) / 700(band 17) / 800(band 20) / 850(band 26)
TD-LTE 2300(band 40) FD-LTE 1800(band 3)
|
| VoLTE |
Yes
Yes
|
| GPRS |
Available
Available
|
| EDGE |
Available
Available
|
| Speed |
HSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat12 600/150 Mbps
HSPA, LTE
|
SIM 2
| Technology |
2G, 3G, 4G
2G, 3G, 4G
|
| SIM Size |
Nano
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
|
| 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) FD-LTE 2100(band 1) / 1800(band 3) / 2600(band 7) / 900(band 8) / 700(band 28) / 1900(band 2) / 1700(band 4) / 850(band 5) / 700(band 17) / 800(band 20) / 850(band 26)
TD-LTE 2300(band 40) FD-LTE 1800(band 3)
|
| VoLTE |
Yes
Yes
|
| GPRS |
Available
Available
|
| EDGE |
Available
Available
|
| Speed |
HSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat12 600/150 Mbps
HSPA, LTE
|
Connectivity
| WLAN |
Wi-Fi 5 (802.11 a/b/g/n/ac) 5GHz
Wi-Fi 5 (802.11 a/b/g/n/ac) 5GHz
|
| Bluetooth |
v5.0
v5.2
|
| GPS |
Yes with A-GPS, Glonass
Yes with A-GPS, Glonass
|
| Wi-fi Hotspot |
Yes
Yes
|
| NFC |
Yes
N/A
|
| USB |
Mass storage device, USB charging
Mass storage device, USB charging
|
Multimedia
| 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
|
| Fingerprint Sensor |
Yes
Yes
|
| Finger Sensor Position |
Rear-mounted
Side-mounted
|
| Face Unlock |
Yes
Yes
|
Manufacturer
| First Arrival |
01 March 2019
15 September 2025
|
| Manufactured By |
Samsung
Vivo
|
| Availability |
Available
Available
|
| Made By |
Korean
China
|
More
| Sensor |
Accelerometer, Gyroscope
Accelerometer, gyro, proximity, compass
|