OPPO A15 2GB RAM vs realme C21

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Comparing the OPPO A15 2GB RAM vs realme C21 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 A15 2GB RAM and realme C21 run at the same processing speed of 2.3 GHz.


Display: OPPO A15 2GB RAM offers a screen size of 6.52 inches, while realme C21 offers 6.5 inches, making OPPO A15 2GB RAM the larger display of the two. Both OPPO A15 2GB RAM and realme C21 feature the same IPS LCD display.


Rear Camera: Both OPPO A15 2GB RAM and realme C21 feature a 13 MP primary rear camera.


Front Camera: Both OPPO A15 2GB RAM and realme C21 feature a 5 MP primary front camera.


Battery: realme C21 offers a higher battery capacity with 5000 mAh, while OPPO A15 2GB RAM offers 4230 mAh, making realme C21 better for longer battery life.


Storage: Both OPPO A15 2GB RAM and realme C21 offer the same internal storage of 32 GB.


User Rating: realme C21 receives a higher user rating of 4.4, while OPPO A15 2GB RAM has a rating of 4.2.

...read more
OPPO A15 2GB RAM
₹10,999
(Discontinued)
realme C21
₹9,999
(Out of Stock)
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Summary

Spec Score

70%
67%

Release Date

10 Nov, 2020
14 Apr, 2021

Performance

MediaTek Helio P35
MediaTek Helio G35
Tru-Octa Core (upto 2.3 GHz)
Tru-Octa Core (upto 2.3 GHz)
2 GB RAM
3 GB RAM

Display

6.52 inches (16.56 cm)
6.5 inches (16.51 cm)
IPS LCD
IPS LCD
720x1600 px (HD+)
720x1600 px (HD+)
60 Hz Refresh Rate
60 Hz Refresh Rate

Rear Camera

13 MP
Wide Angle Primary Camera
13 MP
Wide Angle Primary Camera
2 MP
Depth Camera
2 MP
Macro Camera
2 MP
Macro Camera
2 MP
Mono Camera

Front Camera

5 MP
5 MP
Wide Angle Lens

Battery

4230 mAh
5000 mAh
No Wireless Charging
No Wireless Charging

Storage

32 GB
32 GB
eMMC 5.1
eMMC 5.1

Expert Review

6.0/10
N/A

Pros

  • Good design
  • Decent shots in daylight cameras
  • Fast fingerprint sensor
  • Device yet to be reviewed

Cons

  • Average performance
  • HD+ resolution sceen
  • Poot nighttime shots
  • Still uses a micro-USB port
  • Device yet to be reviewed

User Ratings

4.2/5
(1,724 ratings)
4.4/5
(72,845 ratings)

Benchmarks (The higher, the better)

109,267
AnTuTu Score
131,494
AnTuTu Score
15h 30m
Battery Life (PC Mark)
N/A

Video

Videos
1 Video
There are no videos available for the device.

User Feedback

General

Launch Date

N/A
Apr 14, 2021
(Official)

Operating System

Android v10 (Q)
Android v10 (Q)

Custom UI

ColorOS
Realme UI

Performance

Performance Rating

Good
Avg

Chipset

MediaTek Helio P35
MediaTek Helio G35

Processor

Octa core, 2.3 GHz, Cortex A53
Octa core, 2.3 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

3 GB / 2 GB
3 GB / 4 GB

RAM Type

LPDDR4X
LPDDR4X

Performance Test Results

AnTuTu Score (The higher, the better) AnTuTu benchmark measures overall performance of a phone by stress-testing CPU, GPU, RAM, etc.

109,267
131,494

Bootup Time (The lower, the better)

33.0 s
N/A

Gaming Test Results

Battery Drain* (The lower, the better)

2.0 %
N/A

Heating* (The lower, the better)

22.6 %
N/A
* after 30 mins of gaming

Display

Display Rating

Very Good
Very Good

Display Type

IPS LCD
IPS LCD

Screen Size

6.52 inches  (16.56 cm)
6.5 inches  (16.51 cm)

Resolution

720x1600 px (HD+)
720x1600 px (HD+)

Brightness

480 nits
400 nits

Refresh Rate

60 Hz
60 Hz

Aspect Ratio

20:9
20:9

Pixel Density

269 ppi
270 ppi

Screen to Body Ratio (calculated)

83 %
80.82 %

Bezel-less Display

Yes with waterdrop notch
Yes with waterdrop notch

Screen to Body Ratio (claimed by the brand)

88.7 %
89.5 %

Design

Height

164 mm
165.2 mm

Width

75.4 mm
76.4 mm

Thickness

7.9 mm
8.9 mm

Weight

175 grams
190 grams

Build Material

Back: Plastic
Back: Plastic

Rear Camera

Rear Camera Rating

Good
Good

Resolution

13 MP
Primary Cameraf/2.2 Wide Angle1/3.1" sensor size 1.12µm pixel size
13 MP
Primary Camera4x Digital Zoomf/2.2 Wide Angle26 mm focal length 1/3" sensor size CMOS image sensor 1.12µm pixel size
2 MP
f/2.4 Depth Camera
2 MP
f/2.4 Macro Camera1.75µm pixel size
2 MP
f/2.4 Macro Camera
2 MP
f/2.4 Mono Camera1.75µm pixel size

Autofocus

Yes
Yes Phase Detection Autofocus

Flash

Yes LED Flash
Yes LED Flash

Image Resolution

4128 x 3096 Pixels
4128 x 3096 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
4 x Digital Zoom
Auto Flash
Face detection
Touch to focus

Video Recording

1920x1080 @ 30 fps
Full HD @30 fps

Front Camera

Front Camera Rating

Very Good
Good

Resolution

5 MP
f/2.4 Primary Camera
5 MP
f/2.2 Wide Angle Primary Camera1/5.0" sensor size 1.12µm pixel size

Camera Features

N/A
Fixed Focus

Video Recording

N/A
Full HD @30 fps

Battery

Battery Rating

Very Good
Very Good

Capacity

4230 mAh
5000 mAh

Battery Type

Li-Polymer
Li-ion

Battery Test Results

Battery Life (PC Mark) (The higher, the better) PCMark Battery benchmark measures battery life of a phone with various activities such as web browsing, photo editing, writing, video editing, etc.

15h 30m
N/A

Charging Time (20% to 100%) (The lower, the better)

2h 23m 44s
N/A

Storage

Internal Storage

32 GB
32 GB / 64 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) / 2600(band 7) / 900(band 8) / 700(band 28) / 850(band 5) / 800(band 20)

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) / 2600(band 7) / 900(band 8) / 700(band 28) / 850(band 5) / 800(band 20)

Wi-Fi

Yes Wi-Fi 4 (802.11 b/g/n) 5GHz
Yes Wi-Fi 4 (802.11 b/g/n) MIMO

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

NFC

No
No

Multimedia

Audio Jack

3.5 mm
3.5 mm

Sensors

Fingerprint Sensor

Yes
Yes

Fingerprint Sensor Position

Rear
Rear

Other Sensors

Light sensor Proximity sensor Accelerometer
Light sensor Proximity sensor Accelerometer