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OPPO A1K vs vivo Y91i
Comparing the OPPO A1K vs vivo Y91i across performance, display, camera, battery, storage and user rating to help determine the better smartphone.
Here is the summary of the results:
Performance: Both OPPO A1K and vivo Y91i 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 OPPO A1K and vivo Y91i 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 OPPO A1K and vivo Y91i 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: OPPO A1K and vivo Y91i both receive the same user rating of 4.3.
Summary
Spec Score
|
70%
|
70%
|
Release Date
|
01 May, 2019
|
13 Mar, 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
|
|
|
|
6.1 inches (15.49 cm)
|
6.22 inches (15.8 cm)
|
|
IPS LCD
|
IPS LCD
|
|
720x1560 px (HD+)
|
720x1520 px (HD+)
|
Rear Camera
|
|
|
|
8 MP
Primary Camera
|
13 MP
Primary Camera
|
Front Camera
|
|
|
|
5 MP
|
5 MP
|
Battery
|
|
|
|
4000 mAh
|
4030 mAh
|
|
No Wireless Charging
|
No Wireless Charging
|
Storage
|
32 GB
|
16 GB
|
|
eMMC 5.1
|
eMMC 5.1
|
User Ratings
|
4.3/5
(16,247 ratings)
|
4.3/5
(43,242 ratings)
|
User Feedback
General
Launch Date
|
N/A
|
Mar 13, 2019
(Official)
|
Operating System
|
Android v9.0 (Pie)
|
Android v8.1 (Oreo)
|
Custom UI
|
ColorOS
|
Funtouch OS
|
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
|
2 GB / 3 GB
|
RAM Type
|
LPDDR3
|
LPDDR3
|
Display
Display Rating
|
Excellent
|
Excellent
|
Display Type
|
IPS LCD
|
IPS LCD
|
Screen Size
|
6.1 inches (15.49 cm)
|
6.22 inches (15.8 cm)
|
Resolution
|
720x1560 px (HD+)
|
720x1520 px (HD+)
|
Aspect Ratio
|
19.5:9
|
19:9
|
Pixel Density
|
282 ppi
|
270 ppi
|
Screen to Body Ratio (calculated)
|
79.99 %
|
82.6 %
|
Screen Protection
|
Corning Gorilla Glass v3
|
N/A
|
Bezel-less Display
|
Yes with waterdrop notch
|
Yes with waterdrop notch
|
Screen to Body Ratio (claimed by the brand)
|
87.43 %
|
88.6 %
|
Design
Height
|
154.4 mm
|
155.1 mm
|
Width
|
73.8 mm
|
75 mm
|
Thickness
|
8.4 mm
|
8.2 mm
|
Weight
|
170 grams
|
163.5 grams
|
Build Material
|
Back: Plastic
|
Back: Plastic
|
Rear Camera
Rear Camera Rating
|
Good
|
Good
|
Resolution
|
8 MP
Primary Cameraf/2.23.73 mm focal length CMOS image sensor 1.4µm pixel size |
13 MP
Primary Cameraf/2.2 |
Autofocus
|
Yes
|
Yes
|
Flash
|
Yes LED Flash
|
Yes LED Flash
|
Image Resolution
|
3264 x 2448 Pixels
|
4128 x 3096 Pixels
|
Settings
|
Exposure compensation
|
Exposure compensation ISO control
|
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
|
1920x1080 @ 30 fps
|
Full HD @30 fps
|
Front Camera
Front Camera Rating
|
Good
|
Good
|
Resolution
|
5 MP
f/2.0 Primary Camera2.639 mm focal length 1/5.0" sensor size 1.12µm pixel size |
5 MP
f/1.8 Primary Camera |
Battery
Battery Rating
|
Very Good
|
Very Good
|
Capacity
|
4000 mAh
|
4030 mAh
|
Battery Type
|
Li-Polymer
|
Li-ion
|
Storage
Internal Storage
|
32 GB
|
16 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) / 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) / 700(band 28) / 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: 1.323 W/kg Body: 0.922 W/kg
|
Head: 1.283 W/kg Body: 0.609 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 v4.2
|
Yes v5.0
|
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
|
Light sensor Proximity sensor Accelerometer Compass Gyroscope
|