Oppo A18
Samsung Galaxy A51
Oppo A18
Samsung Galaxy A51
How is Oppo A18 better than Samsung Galaxy A51?
Bigger battery capacity: 5000 mAh vs 4000 mAh
Has a larger display diagonal: 6.56" vs 6.5"
The phone is 3 years and 9 months newer
Oppo A18
Samsung Galaxy A51
How is Samsung Galaxy A51 better than Oppo A18?
Faster CPU speed: 4 x 2.3 GHz & 4 x 1.7 GHz vs 2 x 2 GHz & 6 x 1.8 GHz
More RAM memory capacity in max option: 4GB, 6GB, 8GB vs 4GB
AnTuTu score is about 23% higher
More internal storage in max option: 64GB, 128GB, 256GB vs 64GB, 128GB
More megapixels main camera: 48 MP & 12 MP & 5 MP & 5 MP vs 8 MP & 2 MP
More megapixels front camera: 32MP vs 5MP
Better display resolution: 1080 x 2400 px vs 720 x 1612 px
Lighter: 172 g (6.07 ounces) vs 188 g (6.63 ounces)
Narrower: 73.6 mm (2.9 inches) vs 75 mm (2.95 inches)
Shorter: 158.5 mm (6.24 inches) vs 163.7 mm (6.44 inches)
More color options: Prism Crush Black, Prism Crush White, Prism Crush Blue, Prism Crush Pink vs Glowing Black, Glowing Blue
Oppo A18
Samsung Galaxy A51
Height
163.7 mm
(6.44 inches)
Width
75 mm
(2.95 inches)
Thickness
8.2 mm
(0.32 inches)
Screen size
6.56"
Weight
188 g
(6.63 ounces)
Height
158.5 mm
(6.24 inches)
Width
73.6 mm
(2.9 inches)
Thickness
7.9 mm
(0.31 inches)
Screen size
6.5"
Weight
172 g
(6.07 ounces)
Height
163.7 mm
(6.44 inches)
Width
75 mm
(2.95 inches)
Thickness
8.2 mm
(0.32 inches)
Screen size
6.56"
Weight
188 g
(6.63 ounces)
Height
158.5 mm
(6.24 inches)
Width
73.6 mm
(2.9 inches)
Thickness
7.9 mm
(0.31 inches)
Screen size
6.5"
Weight
172 g
(6.07 ounces)
Oppo A18
Samsung Galaxy A51
Oppo A18
Samsung Galaxy A51
Score 4.0
Score 3.6
Oppo A18
Samsung Galaxy A51
Oppo A18
Samsung Galaxy A51
Score 4.0
Score 3.6
Smartprix
Oppo A18
Samsung Galaxy A51
Oppo A18
Samsung Galaxy A51
AnTuTu Score
Oppo A18
225,100
Samsung Galaxy A51
276,261 +22.73%
The score reflects a device's overall performance by summing up results from tests of RAM speed, CPU, and 2D/3D graphics.
Geekbench 6 · Multi-Core
Oppo A18
1,322 +25.67%
Samsung Galaxy A51
1,052
Measures the aggregate performance of all processor cores in a device, simulating tasks optimized for multi-threaded processing.
Geekbench 6 · Single-Core
Oppo A18
424 +28.1%
Samsung Galaxy A51
331
Measures the performance of a single processor core by assessing how efficiently the device handles single-threaded processing-based tasks.
Show differences
Show differences
Specs
Oppo A18
Samsung Galaxy A51
Design
Weight
188 g (6.63 ounces)
172 g (6.07 ounces)
Thickness
8.2 mm (0.32 inches)
7.9 mm (0.31 inches)
Width
75 mm (2.95 inches)
73.6 mm (2.9 inches)
Height
163.7 mm (6.44 inches)
158.5 mm (6.24 inches)
Is weather-sealed (splashproof)
✔
-
Ingress Protection (IP) rating
IP54
-
Volume
100.68 cm³
92.16 cm³
Is dustproof and water-resistant
✔
-
Color options
Glowing Black, Glowing Blue
Prism Crush Black, Prism Crush White, Prism Crush Blue, Prism Crush Pink
Display
Screen size
6.56"
6.5"
Display type
LCD, IPS
OLED/AMOLED
Pixel density
269 ppi
405 ppi
Resolution
720 x 1612 px
1080 x 2400 px
Refresh rate
90Hz
60Hz
Brightness (typical)
720 nits
-
Has branded damage-resistant glass
-
✔
Gorilla Glass version
-
Gorilla Glass 3
Always-On Display
-
✔
Contrast ratio
-
20:1
Has a touch screen
✔
✔
Performance
Internal storage
64GB, 128GB
64GB, 128GB, 256GB
RAM
4GB
4GB, 6GB, 8GB
Android version
Android 13
Android 10
CPU speed
2 x 2 GHz & 6 x 1.8 GHz
4 x 2.3 GHz & 4 x 1.7 GHz
GPU clock speed
-
650 MHz
Has integrated LTE
✔
✔
RAM speed
1800 MHz
2133 MHz
Semiconductor size
12 nm
10 nm
Supports 64-bit
✔
✔
DirectX version
DirectX 12
DirectX 12
Has integrated graphics
✔
✔
OpenGL ES version
3.2
3.2
Uses big.LITTLE technology
✔
✔
CPU threads
8 threads
8 threads
Uses HMP
-
✔
Has TrustZone
✔
✔
Maximum memory bandwidth
13.41 GB/s
11.92 GB/s
OpenCL version
2
2
EMMC version
5.1
5.1
DDR memory version
4
4
Maximum memory amount
8GB
8GB
Thermal Design Power (TDP)
5W
8W
Release date
2023
2019
Memory channels
2
4
L1 cache
-
64 KB
Has NX bit
-
✔
Has an external memory slot
✔
✔
GPU turbo
1000 MHz
850 MHz
Maximum amount of external memory supported
-
1000GB
Bits executed at a time
-
128
Number of transistors
-
3000 million
VFP version
-
4
Cameras
Main camera
8 MP & 2 MP
48 MP & 12 MP & 5 MP & 5 MP
Front camera
5MP
32MP
Video recording (main camera)
1080 x 30 fps
2160 x 30 fps
Wide aperture (main camera)
f/2.4 & f/2
f/2 & f/2.2 & f/2.4 & f/2.2
Has a BSI sensor
-
✔
Has continuous autofocus when recording movies
✔
-
Has phase-detection autofocus for photos
✔
✔
Supports slow-motion video recording
-
✔
Has a built-in HDR mode
✔
✔
Has a flash
✔
✔
Has manual exposure
✔
✔
Has a dual-lens (or multi-lens) main camera
✔
✔
Optical zoom
-
0x
Number of flash LEDs
1
1
Has manual ISO
✔
✔
Has a serial shot mode
✔
✔
Has manual focus
✔
✔
Has a front camera
✔
✔
Has manual white balance
✔
✔
Has touch autofocus
✔
✔
Has manual shutter speed
-
✔
Can create panoramas in-camera
✔
✔
Wide aperture (front camera)
f/2.2
f/2.2
Has timelapse function
-
✔
Pixel size (main camera)
-
0.8 µm & 1.12 µm & 1.12 µm & 1.12 µm
Operating system
Has clipboard warnings
✔
-
Has location privacy options
✔
-
Has camera/microphone privacy options
✔
-
Has theme customization
✔
✔
Can play games while they download
✔
-
Has dark mode
✔
✔
Has Wi-Fi password sharing
✔
-
Has battery health check
✔
-
Has an extra dim mode
✔
-
Has focus modes
✔
✔
Has dynamic theming
✔
-
Can offload apps
✔
-
Has customizable notifications
✔
✔
Has scrolling screenshots
✔
-
Supports split screen
✔
✔
Supports instant markup
✔
✔
Supports PiP and PaP
✔
✔
Has sharing intents
✔
✔
Has a child lock
✔
✔
Is free and open source
✔
✔
Tracks the current position of a mobile device
✔
✔
Is a multi-user system
✔
✔
Supports widgets
✔
✔
More languages supported
125
125
Has offline voice recognition
✔
✔
The browser has word wrap
✔
✔
Has voice commands
✔
✔
Battery
Battery power
5000 mAh
4000 mAh
Supports fast charging
-
✔
Charging speed
-
25W
Has a battery level indicator
✔
✔
Has a rechargeable battery
✔
✔
Audio
Has stereo speakers
✔
-
Has aptX HD
✔
-
Has aptX
✔
-
Number of microphones
-
2
Has a socket for a 3.5 mm audio jack
✔
✔
Has a radio
-
✔
Features
Wi-Fi version
Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac)
Wi-Fi 5 (802.11ac), Wi-Fi 4 (802.11n)
Download speed
300 MBits/s
600 MBits/s
Upload speed
100 MBits/s
150 MBits/s
Has USB Type-C
✔
✔
USB version
2
2
Has NFC
✔
✔
SIM cards
2 SIM
2 SIM
Has a fingerprint scanner
✔
✔
Bluetooth version
5.3
5
Has a gyroscope
-
✔
Has GPS
✔
✔
Has a compass
✔
✔
Supports Wi-Fi
✔
✔
Has a cellular module
✔
✔
Supports Galileo
✔
✔
Has an accelerometer
✔
✔
Body sar (eu)
-
1.59W/kg
Supports ant+
-
✔
Head SAR (eu)
-
0.36W/kg
Disclaimer! NFC, GSM network support, and some other specs can be different depending on the country.
Oppo A18
Samsung Galaxy A51