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vivo Y91i vs OPPO A1K
Comparing the vivo Y91i vs OPPO A1K across performance, display, camera, battery, storage and user rating to help determine the better smartphone.
Here is the summary of the results:
Performance: Both vivo Y91i and OPPO A1K run at the same processing speed of 2.0 GHz.
Display: vivo Y91i offers a screen size of 6.22 inches, while OPPO A1K offers 6.1 inches, making vivo Y91i the larger display of the two. Both vivo Y91i and OPPO A1K feature the same IPS LCD display.
Rear Camera: vivo Y91i offers a higher rear camera resolution with 13 MP, while OPPO A1K offers 8 MP, making vivo Y91i better for rear camera photography.
Front Camera: Both vivo Y91i and OPPO A1K feature a 5 MP primary front camera.
Battery: vivo Y91i offers a higher battery capacity with 4030 mAh, while OPPO A1K offers 4000 mAh, making vivo Y91i better for longer battery life.
Storage: OPPO A1K offers higher internal storage with 32 GB, while vivo Y91i offers 16 GB, making OPPO A1K the better option for storage.
User Rating: vivo Y91i and OPPO A1K both receive the same user rating of 4.3.
Summary
Spec Score
|
70%
|
70%
|
Release Date
|
13 Mar, 2019
|
01 May, 2019
|
Performance
|
|
|
|
MediaTek Helio P22
|
MediaTek Helio P22
|
|
Tru-Octa Core (upto 2 GHz)
|
Tru-Octa Core (upto 2 GHz)
|
|
2 GB RAM
|
2 GB RAM
|
Display
|
|
|
|
6.22 inches (15.8 cm)
|
6.1 inches (15.49 cm)
|
|
IPS LCD
|
IPS LCD
|
|
720x1520 px (HD+)
|
720x1560 px (HD+)
|
Rear Camera
|
|
|
|
13 MP
Primary Camera
|
8 MP
Primary Camera
|
Front Camera
|
|
|
|
5 MP
|
5 MP
|
Battery
|
|
|
|
4030 mAh
|
4000 mAh
|
|
No Wireless Charging
|
No Wireless Charging
|
Storage
|
16 GB
|
32 GB
|
|
eMMC 5.1
|
eMMC 5.1
|
User Ratings
|
4.3/5
(43,242 ratings)
|
4.3/5
(16,247 ratings)
|
User Feedback
General
Launch Date
|
Mar 13, 2019
(Official)
|
N/A
|
Operating System
|
Android v8.1 (Oreo)
|
Android v9.0 (Pie)
|
Custom UI
|
Funtouch OS
|
ColorOS
|
Performance
Performance Rating
|
Good
|
Good
|
Chipset
|
MediaTek Helio P22
|
MediaTek Helio P22
|
Processor
|
Octa core, 2 GHz, Cortex A53
|
Octa core, 2 GHz, Cortex A53
|
Architecture (The higher, the better)
|
64 bit
|
64 bit
|
Fabrication (The lower, the better)
|
12 nm
|
12 nm
|
Graphics (GPU)
|
PowerVR GE8320
|
PowerVR GE8320
|
RAM
|
2 GB / 3 GB
|
2 GB
|
RAM Type
|
LPDDR3
|
LPDDR3
|
Display
Display Rating
|
Excellent
|
Excellent
|
Display Type
|
IPS LCD
|
IPS LCD
|
Screen Size
|
6.22 inches (15.8 cm)
|
6.1 inches (15.49 cm)
|
Resolution
|
720x1520 px (HD+)
|
720x1560 px (HD+)
|
Aspect Ratio
|
19:9
|
19.5:9
|
Pixel Density
|
270 ppi
|
282 ppi
|
Screen to Body Ratio (calculated)
|
82.6 %
|
79.99 %
|
Screen Protection
|
N/A
|
Corning Gorilla Glass v3
|
Bezel-less Display
|
Yes with waterdrop notch
|
Yes with waterdrop notch
|
Screen to Body Ratio (claimed by the brand)
|
88.6 %
|
87.43 %
|
Design
Height
|
155.1 mm
|
154.4 mm
|
Width
|
75 mm
|
73.8 mm
|
Thickness
|
8.2 mm
|
8.4 mm
|
Weight
|
163.5 grams
|
170 grams
|
Build Material
|
Back: Plastic
|
Back: Plastic
|
Rear Camera
Rear Camera Rating
|
Good
|
Good
|
Resolution
|
13 MP
Primary Cameraf/2.2 |
8 MP
Primary Cameraf/2.23.73 mm focal length CMOS image sensor 1.4µm pixel size |
Autofocus
|
Yes
|
Yes
|
Flash
|
Yes LED Flash
|
Yes LED Flash
|
Image Resolution
|
4128 x 3096 Pixels
|
3264 x 2448 Pixels
|
Settings
|
Exposure compensation ISO control
|
Exposure compensation
|
Shooting Modes
|
Continuous Shooting
High Dynamic Range mode (HDR) |
Continuous Shooting
High Dynamic Range mode (HDR) |
Camera Features
|
Digital Zoom
Auto Flash Face detection Touch to focus |
Digital Zoom
Auto Flash Face detection Touch to focus |
Video Recording
|
Full HD @30 fps
|
1920x1080 @ 30 fps
|
Front Camera
Front Camera Rating
|
Good
|
Good
|
Resolution
|
5 MP
f/1.8 Primary Camera |
5 MP
f/2.0 Primary Camera2.639 mm focal length 1/5.0" sensor size 1.12µm pixel size |
Battery
Battery Rating
|
Very Good
|
Very Good
|
Capacity
|
4030 mAh
|
4000 mAh
|
Battery Type
|
Li-ion
|
Li-Polymer
|
Storage
Internal Storage
|
16 GB / 32 GB
|
32 GB
|
Storage Type
|
eMMC 5.1
|
eMMC 5.1
|
Expandable Storage
|
Yes Up to 256 GB
|
Yes Up to 256 GB
|
Network & Connectivity
SIM Slot(s)
|
Dual SIM
|
Dual SIM
|
SIM Type
|
SIM1: Nano SIM2: Nano
|
SIM1: Nano SIM2: Nano
|
Network Support
|
5G Not Supported 4G
|
5G Not Supported 4G
|
VoLTE
|
Yes
|
Yes
|
SIM 1
|
4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41)
FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 700(band 28) / 850(band 5) |
4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41)
FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 850(band 5) |
SIM 2
|
4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41)
FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 850(band 5) |
4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41)
FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 850(band 5) |
SAR Value
|
Head: 1.283 W/kg Body: 0.609 W/kg
|
Head: 1.323 W/kg Body: 0.922 W/kg
|
Wi-Fi
|
Yes Wi-Fi 4 (802.11 b/g/n)
|
Yes Wi-Fi 4 (802.11 b/g/n)
|
Wi-Fi Features
|
Mobile Hotspot
|
Mobile Hotspot
|
Bluetooth
|
Yes v5.0
|
Yes v4.2
|
GPS
|
Yes with A-GPS Glonass
|
Yes with A-GPS Glonass
|
NFC
|
No
|
No
|
Multimedia
Audio Jack
|
3.5 mm
|
3.5 mm
|
Sensors
Fingerprint Sensor
|
No
|
No
|
Other Sensors
|
Light sensor Proximity sensor Accelerometer Compass Gyroscope
|
Light sensor Proximity sensor Accelerometer Compass
|