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vivo X21 vs OPPO R15
Comparing the vivo X21 vs OPPO R15 across performance, display, camera, battery and storage to help determine the better smartphone.
Here is the summary of the results:
Performance: OPPO R15 runs at a higher processing speed of 2.3 GHz, while vivo X21 runs at 2.2 GHz, making OPPO R15 the better performer.
Display: Both vivo X21 and OPPO R15 offer the same screen size of 6.28 inches, but vivo X21 features a Super AMOLED display compared to OPPO R15's OLED, making vivo X21 the better display of the two.
Rear Camera: OPPO R15 offers a higher rear camera resolution with 16 MP, while vivo X21 offers 12 MP, making OPPO R15 better for rear camera photography.
Front Camera: OPPO R15 offers a higher front camera resolution with 20 MP, while vivo X21 offers 12 MP, making OPPO R15 better for front camera photography.
Battery: OPPO R15 offers a higher battery capacity with 3450 mAh, while vivo X21 offers 3200 mAh, making OPPO R15 better for longer battery life.
Storage: Both vivo X21 and OPPO R15 offer the same internal storage of 128 GB.
Summary
Spec Score
|
75%
|
73%
|
Release Date
|
29 May, 2018
|
26 Jul, 2019
|
Performance
|
|
|
|
Snapdragon 660
|
MediaTek MT6757
|
|
Octa Core (upto 2.2 GHz)
|
Octa Core (upto 2.3 GHz)
|
|
6 GB RAM
|
6 GB RAM
|
Display
|
|
|
|
6.28 inches (15.95 cm)
|
6.28 inches (15.95 cm)
|
|
Super AMOLED
|
OLED
|
|
1080x2280 px (FHD+)
|
1080x2280 px (FHD+)
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Rear Camera
|
|
|
|
12 MP
Primary Camera
|
16 MP
Primary Camera
|
|
5 MP
Depth Camera
|
5 MP
Camera
|
Front Camera
|
|
|
|
12 MP
|
20 MP
|
Battery
|
|
|
|
3200 mAh
|
3450 mAh
|
|
Fast Charging
|
Super VOOC Charging
|
|
N/A
|
No Wireless Charging
|
Storage
|
128 GB
|
128 GB
|
Expert Review
|
7.0/10
|
N/A
|
Pros
|
|
Cons
|
|
User Ratings
|
4.2/5
(2,008 ratings)
|
N/A
|
Video
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There are no videos available for the device.
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User Feedback
General
Launch Date
|
May 29, 2018
(Official)
|
N/A
|
Operating System
|
Android v8.1 (Oreo)
|
Android v8.1 (Oreo)
|
Custom UI
|
Funtouch OS
|
ColorOS
|
Performance
Performance Rating
|
Good
|
Good
|
Chipset
|
Qualcomm Snapdragon 660
|
MediaTek MT6757
|
Processor
|
Octa core
2.2 GHz, Quad core, Kryo 260 1.84 GHz, Quad core, Kryo 260 |
Octa core
2.3 GHz, Quad core, Cortex A53 1.6 GHz, Quad core, Cortex A53 |
Architecture (The higher, the better)
|
64 bit
|
64 bit
|
Graphics (GPU)
|
Adreno 512
|
Mali-T880 MP2
|
RAM
|
6 GB
|
6 GB
|
Display
Display Rating
|
Best In Class
|
Excellent
|
Display Type
|
Super AMOLED
|
OLED
|
Screen Size
|
6.28 inches (15.95 cm)
|
6.28 inches (15.95 cm)
|
Resolution
|
1080x2280 px (FHD+)
|
1080x2280 px (FHD+)
|
Aspect Ratio
|
19:9
|
19:9
|
Pixel Density
|
402 ppi
|
402 ppi
|
Screen to Body Ratio (calculated)
|
84.93 %
|
83.98 %
|
Screen Protection
|
Corning Gorilla
|
Corning Gorilla Glass v5
|
Bezel-less Display
|
N/A
|
Yes
|
Design
Height
|
154.4 mm
|
155.1 mm
|
Width
|
74.7 mm
|
75.2 mm
|
Thickness
|
7.3 mm
|
7.4 mm
|
Weight
|
156.2 grams
|
175 grams
|
Rear Camera
Rear Camera Rating
|
Good
|
Good
|
Resolution
|
12 MP
Primary Cameraf/1.81/2.55" sensor size S5K2L9 ISO-CELL 1.4µm pixel size |
16 MP
Primary Cameraf/1.7 |
|
5 MP
f/2.4 Depth Camera |
5 MP
|
Autofocus
|
Yes
|
Yes Phase Detection autofocus
|
Flash
|
Yes LED Flash
|
Yes LED Flash
|
Image Resolution
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4000 x 3000 Pixels
|
4616 x 3464 Pixels
|
Settings
|
Exposure compensation ISO control
|
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
|
4k @30 fps
|
N/A
|
Front Camera
Front Camera Rating
|
Very Good
|
Very Good
|
Resolution
|
12 MP
f/2.0 Primary Camera1/2.8" sensor size CMOS |
20 MP
f/2.0 Primary Camera |
Flash
|
Yes Screen flash
|
N/A
|
Battery
Battery Rating
|
Very Good
|
Very Good
|
Capacity
|
3200 mAh
|
3450 mAh
|
Battery Type
|
Li-ion
|
Li-ion
|
Quick Charging
|
Yes Fast Charging
|
Yes Super VOOC Charging
|
Storage
Internal Storage
|
128 GB
|
128 GB
|
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 (Hybrid)
|
SIM1: Nano SIM2: Nano (Hybrid)
|
Network Support
|
5G Not Supported 4G
|
5G Not Supported 4G
|
VoLTE
|
Yes
|
Yes
|
SIM 1
|
4G Bands: TD-LTE 2300(band 40) / 2500(band 41)
FD-LTE 2100(band 1) / 1800(band 3) / 850(band 5) |
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) / 2600(band 7) / 900(band 8) / 1700(band 4) / 850(band 5) |
SIM 2
|
4G Bands: TD-LTE 2300(band 40) / 2500(band 41)
FD-LTE 2100(band 1) / 1800(band 3) / 850(band 5) |
4G Bands: TD-LTE 2300(band 40)
FD-LTE 1800(band 3) |
SAR Value
|
Head: 1.180 W/kg Body: 0.573 W/kg
|
N/A
|
Wi-Fi
|
Yes Wi-Fi 5 (802.11 a/b/g/n/ac) 5GHz
|
Yes Wi-Fi 4 (802.11 a/b/g/n) 5GHz
|
Wi-Fi Features
|
Mobile Hotspot
|
Wi-Fi Direct Mobile Hotspot
|
Bluetooth
|
Yes v5.0
|
Yes v4.2
|
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
|
Rear
|
Fingerprint Sensor Type
|
Optical
|
N/A
|
Other Sensors
|
Light sensor Proximity sensor Accelerometer Compass Gyroscope
|
Light sensor Proximity sensor Accelerometer Compass Gyroscope
|
Applications
|
Facebook WhatsApp LINE Google Duo Gmail Amazon Lazada Flipkart Maps Newspoint WPS Office UC Browser
|
N/A
|