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OPPO K1 vs vivo X21s
Comparing the OPPO K1 vs vivo X21s across performance, display, camera, battery and storage to help determine the better smartphone.
Here is the summary of the results:
Performance: vivo X21s runs at a higher processing speed of 2.2 GHz, while OPPO K1 runs at 1.95 GHz, making vivo X21s the better performer.
Display: vivo X21s offers a screen size of 6.41 inches, while OPPO K1 offers 6.4 inches, making vivo X21s the larger display of the two. vivo X21s features a Super AMOLED display compared to OPPO K1's AMOLED, making vivo X21s the better display of the two.
Rear Camera: OPPO K1 offers a higher rear camera resolution with 16 MP, while vivo X21s offers 12 MP, making OPPO K1 better for rear camera photography.
Front Camera: Both OPPO K1 and vivo X21s feature a 25 MP primary front camera.
Battery: OPPO K1 offers a higher battery capacity with 3600 mAh, while vivo X21s offers 3400 mAh, making OPPO K1 better for longer battery life.
Storage: OPPO K1 offers higher internal storage with 64 GB, while vivo X21s offers 128 GB, making OPPO K1 the better option for storage.
Summary
Spec Score
|
75%
|
74%
|
Release Date
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12 Feb, 2019
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19 Jul, 2019
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Performance
|
|
|
|
Snapdragon 660
|
Snapdragon 660
|
|
Octa Core (upto 1.95 GHz)
|
Octa Core (upto 2.2 GHz)
|
|
4 GB RAM
|
6 GB RAM
|
Display
|
|
|
|
6.4 inches (16.26 cm)
|
6.41 inches (16.28 cm)
|
|
AMOLED
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Super AMOLED
|
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1080x2340 px (FHD+)
|
1080x2340 px (FHD+)
|
Rear Camera
|
|
|
|
16 MP
Primary Camera
|
12 MP
Primary Camera
|
|
2 MP
Depth Camera
|
5 MP
Camera
|
Front Camera
|
|
|
|
25 MP
|
25 MP
|
Battery
|
|
|
|
3600 mAh
|
3400 mAh
|
|
N/A
|
Fast Charging
|
|
No Wireless Charging
|
N/A
|
Storage
|
64 GB
|
128 GB
|
|
eMMC 5.1
|
N/A
|
Expert Review
|
7.0/10
|
N/A
|
Pros
|
|
Cons
|
|
User Ratings
|
4.5/5
(75,270 ratings)
|
N/A
|
Video
|
There are no videos available for the device.
|
User Feedback
General
Operating System
|
Android v9.0 (Pie)
|
Android v8.1 (Oreo)
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Custom UI
|
ColorOS
|
Funtouch OS
|
Performance
Performance Rating
|
Good
|
Good
|
Chipset
|
Qualcomm Snapdragon 660 MSM8956
|
Qualcomm Snapdragon 660 MSM8956
|
Processor
|
Octa core
1.95 GHz, Quad core, Kryo 260 1.8 GHz, Quad core, Kryo 260 |
Octa core
2.2 GHz, Quad core, Kryo 260 1.84 GHz, Quad core, Kryo 260 |
Architecture (The higher, the better)
|
64 bit
|
64 bit
|
Fabrication (The lower, the better)
|
14 nm
|
N/A
|
Graphics (GPU)
|
Adreno 512
|
Adreno 512
|
RAM
|
4 GB / 6 GB
|
6 GB
|
RAM Type
|
LPDDR4X
|
N/A
|
Display
Display Rating
|
Best In Class
|
Best In Class
|
Display Type
|
AMOLED
|
Super AMOLED
|
Screen Size
|
6.4 inches (16.26 cm)
|
6.41 inches (16.28 cm)
|
Resolution
|
1080x2340 px (FHD+)
|
1080x2340 px (FHD+)
|
Aspect Ratio
|
19.5:9
|
19.5:9
|
Pixel Density
|
403 ppi
|
402 ppi
|
Screen to Body Ratio (calculated)
|
83.95 %
|
84.98 %
|
Screen Protection
|
Corning Gorilla Glass v5
|
N/A
|
Bezel-less Display
|
Yes with waterdrop notch
|
Yes with waterdrop notch
|
Screen to Body Ratio (claimed by the brand)
|
91 %
|
N/A
|
Design
Height
|
158.3 mm
|
157.9 mm
|
Width
|
75.5 mm
|
75 mm
|
Thickness
|
7.4 mm
|
7.9 mm
|
Weight
|
156 grams
|
156 grams
|
Build Material
|
Back: Plastic
|
N/A
|
Rear Camera
Rear Camera Rating
|
Good
|
Good
|
Resolution
|
16 MP
Primary Camera2x Digital Zoomf/1.751/2.8" sensor size CMOS image sensor 1.12µm pixel size |
12 MP
Primary Cameraf/1.8 |
|
2 MP
f/2.4 Depth Camera |
5 MP
f/2.4 |
Autofocus
|
Yes
|
Yes
|
Flash
|
Yes LED Flash
|
Yes LED Flash
|
Image Resolution
|
4616 x 3464 Pixels
|
4000 x 3000 Pixels
|
Settings
|
Exposure compensation ISO control
|
Exposure compensation ISO control
|
Shooting Modes
|
Continuous Shooting
High Dynamic Range mode (HDR) Burst mode |
Continuous Shooting
High Dynamic Range mode (HDR) |
Camera Features
|
2 x Digital Zoom
Auto Flash Face detection Touch to focus |
Digital Zoom
Auto Flash Face detection Touch to focus |
Video Recording
|
3840x2160 @ 30 fps
|
N/A
|
Front Camera
Front Camera Rating
|
Very Good
|
Very Good
|
Resolution
|
25 MP
f/2.0 Primary Camera1/2.8" sensor size CMOS 0.9µm pixel size |
25 MP
f/2.0 Primary Camera |
Flash
|
Yes Screen flash
|
N/A
|
Video Recording
|
1920x1080 @ 30 fps
|
N/A
|
Battery
Battery Rating
|
Very Good
|
Very Good
|
Capacity
|
3600 mAh
|
3400 mAh
|
Battery Type
|
Li-ion
|
Li-ion
|
Quick Charging
|
N/A
|
Yes Fast Charging
|
Storage
Internal Storage
|
64 GB
|
128 GB
|
Storage Type
|
eMMC 5.1
|
N/A
|
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
|
N/A
|
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) / 1900(band 39)
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) / 850(band 18) / 850(band 19) / 800(band 20) / 850(band 26) |
4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) / 2100(band 34) / 1900(band 39)
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) / 1900(band 39)
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) / 850(band 19) / 800(band 20) / 850(band 26) |
4G Bands: TD-LTE 2600(band 38) / 2300(band 40) / 2500(band 41) / 2100(band 34) / 1900(band 39)
FD-LTE 2100(band 1) / 1800(band 3) / 900(band 8) / 850(band 5) |
SAR Value
|
Head: 0.278 W/kg Body: 0.861 W/kg
|
N/A
|
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 v5.0
|
GPS
|
Yes with A-GPS Glonass
|
Yes with A-GPS Glonass
|
Multimedia
Audio Jack
|
3.5 mm
|
3.5 mm
|
Sensors
Fingerprint Sensor
|
Yes
|
Yes
|
Fingerprint Sensor Position
|
On-screen
|
On-screen
|
Fingerprint Sensor Type
|
Optical
|
Optical
|
Other Sensors
|
Light sensor Proximity sensor Accelerometer Gyroscope
|
Light sensor Proximity sensor Accelerometer Compass Gyroscope
|