Samsung Galaxy A03 Core vs Oppo Realme C25

Here we compared two budget smartphones: the 6.5-inch Samsung Galaxy A03 Core (with Unisoc SC9863A) that was released on November 15, 2021, against the Oppo Realme C25, which is powered by MediaTek Helio G70 and came out 8 months before. On this page, you will find tests, full specs, strengths, and weaknesses of each of the gadgets.

Key differences

An overview of the main advantages of each smartphone
Reasons to consider the Samsung Galaxy A03 Core
  • The phone is 8-months newer
Reasons to consider the Oppo Realme C25
  • 2.2x better performance in AnTuTu Benchmark (206K versus 94K)
  • Comes with 1000 mAh larger battery capacity: 6000 vs 5000 mAh
  • Modern USB Type-C port
  • Compatible with Wi-Fi 5 wireless networks
  • Newer Bluetooth version (v5)
  • Supports 18W fast charging
  • Uses a faster type of memory: LPDDR4X 1866 MHz
  • More energy-efficient CPU – MediaTek Helio G70
  • Fingerprint scanner
  • Has 2x more RAM: 4GB versus 2GB

Review

Display
Screen quality, color accuracy, brightness
Performance
CPU/GPU performance in apps and games
Battery
Battery life, charging type and speed
Camera
Photo and video recording quality
Connectivity
Networks, ports, data transmission
NanoReview score
Final comparison evaluation

Value for money

You can enter your local price of these phones (in USD or any other currency) and click on the "Calculate" button to see which one has a better value for money.
Price

Tests and specifications

Comparison table of technical specifications and tests

Display

Type PLS TFT IPS LCD
Size 6.5 inches 6.5 inches
Resolution 720 x 1600 pixels 720 x 1600 pixels
Aspect ratio 20:9 20:9
PPI 270 ppi 270 ppi
Refresh rate 60 Hz 60 Hz
Max rated brightness 450 nits 480 nits
HDR support No No
Screen protection Tempered glass Corning Gorilla Glass 3
Screen-to-body ratio 81.8% 81.7%

Design and build

Height 164.2 mm (6.46 inches) 164.5 mm (6.48 inches)
Width 75.9 mm (2.99 inches) 75.9 mm (2.99 inches)
Thickness 9.1 mm (0.36 inches) 9.6 mm (0.38 inches)
Weight 211 gramm (7.44 oz) 209 gramm (7.37 oz)
Waterproof No No
Rear material Plastic Plastic
Frame material Plastic Plastic
Colors Black, Blue Gray, Blue
Fingerprint scanner No Yes, rear
Screen-to-body ratio

Performance

Tests of Samsung Galaxy A03 Core and Oppo Realme C25 in the benchmarks
SoC
Chipset Unisoc SC9863A MediaTek Helio G70
Max. clock 1600 MHz 2000 MHz
CPU cores 8 (4 + 4) 8 (2 + 6)
Architecture - 4 cores at 1.2 GHz: Cortex-A55
- 4 cores at 1.6 GHz: Cortex-A55
- 6 cores at 1.7 GHz: Cortex-A55
- 2 cores at 2 GHz: Cortex-A75
L3 cache - 1 MB
Lithography process 28 nanometers 12 nanometers
Graphics PowerVR GE8322 Mali-G52 2EEMC2
GPU clock - 820 MHz
FLOPS - ~54.6 GFLOPS
Memory
RAM size 2 GB 4 GB
Memory type LPDDR3 LPDDR4X
Memory clock - 1866 MHz
Channels 1 2
Storage
Storage size 32 GB 64, 128 GB
Storage type eMMC 5.1 eMMC 5.1
Memory card MicroSD MicroSD
Memory card max. size Up to 1024 GB Up to 256 GB

Benchmarks

Geekbench 5 (Single-Core)
Realme C25 +132%
338
Geekbench 5 (Multi-Core)
Realme C25 +74%
1312
AnTuTu Benchmark 9
Realme C25 +119%
206662
CPU 28153 71576
GPU 14513 32528
Memory 24746 47070
UX 27706 56283
Total score 94508 206662
3DMark Wild Life Performance
Sources: 3DMark [3]

Software

Operating system Android 11 Android 11
ROM One UI Core 3.1 Realme UI 2.0
OS size 8.8 GB -

Battery

Specifications
Capacity 5000 mAh 6000 mAh
Charge power 10 W 18 W
Battery type Li-Ion Li-Ion
Replaceable Yes No
Wireless charging No No
Reverse charging No Yes
Fast charging No Yes (40% in 65 min)
Full charging time 2:50 hr 2:50 hr

Camera

Specs and camera test of smartphones
Main camera
Matrix 8 megapixels 48 megapixels
Image resolution 3264 x 2448 8000 x 6000
Zoom Digital Digital
Flash LED LED
Stabilization Digital Digital
8K video recording No No
4K video recording No No
1080p video recording Up to 30FPS Up to 60FPS
Slow motion No -
Lenses 1 (8 MP) 3 (48 MP + 2 MP + 2 MP)
Wide (main) lens - 8 MP
- Aperture: f/2.0
- Phase autofocus
- 48 MP
- Aperture: f/1.8
- Focal length: 26 mm
- Phase autofocus
Macro lens - - 2 MP
- Aperture: f/2.4
- Pixel size: 1.75 micron
- Sensor: 1/5", Omnivision OV02B10 (CMOS)
Depth lens - - 2 MP
- Aperture: f/2.4
- Pixel size: 1.75 micron
- Sensor: 1/5", GalaxyCore GC02M1 (CMOS)
Camera features - - Bokeh mode
- Pro mode
Selfie camera
Megapixels 5 megapixels 8 megapixels
Image resolution 2560 x 1920 3264 x 2448
Aperture f/2.2 f/2.0
Focal length - 26 mm
Pixel size - 1.12 microns
Sensor type CMOS CMOS
Sensor size - 1/4"
Video resolution 1080p (Full HD) at 30 FPS 1080p (Full HD) at 30 FPS

Connectivity

Wi-Fi standard Wi-Fi 4 (802.11 a/b/g/n) Wi-Fi 5 (802.11 a/b/g/n/ac)
Wi-Fi features - Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
- Dual Band
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 4.2 5
Bluetooth features LE, A2DP LE, A2DP
USB type Micro USB USB Type-C
USB version 2 2
USB features - Charging
- USB-Storage mode
- OTG
- Charging
- USB-Storage mode
- OTG
GPS GPS, GLONASS, Beidou GPS, GLONASS, Beidou
NFC* No Depends on the region
Infrared port No No
Network
Number of SIM* 2 2
Type of SIM card Nano Nano
Multi SIM mode Standby Standby
eSIM support* No No
Hybrid slot No No
LTE Cat* 4 7
5G support No No

Sound

Speakers Mono Mono
Headphone audio jack Yes Yes
FM radio - No
Dolby Atmos No No

Other

Category Budget Budget
Announced November 2021 March 2021
Release date December 2021 March 2021
SAR (head) 0.24 W/kg -
SAR (body) 1.39 W/kg -
Sensors - Proximity sensor
- Accelerometer
- Ambient light sensor
- Proximity sensor
- Accelerometer
- Ambient light sensor
- Compass
- Fingerprint
*Disclaimer! NFC, GSM network support, and some other specs can be different depending on the country.

Conclusion

After analyzing all the data, we think that the Oppo Realme C25 is definitely a better buy.

Cast your vote

So, which phone would you choose?
0 (0%)
1 (100%)
Total votes: 1

User opinions

You can share your opinion or ask a question in the comments below
Promotion