Xiaomi Redmi 9 vs Oppo Realme C25s

Here we compared two budget smartphones: the 6.53-inch Xiaomi Redmi 9 (with MediaTek Helio G80) that was released on June 10, 2020, against the Oppo Realme C25s, which is powered by MediaTek Helio G85 and came out 12 months after. 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 Xiaomi Redmi 9
  • 46% higher pixel density (395 vs 270 PPI)
  • Has an ultra-wide angle camera lens
  • Slow-motion recording at 120FPS
  • Has a built-in infrared port
Reasons to consider the Oppo Realme C25s
  • Comes with 980 mAh larger battery capacity: 6000 vs 5020 mAh
  • More recent OS version: Android 12 versus 11
  • The phone is 1-year newer
  • Reverse charging feature
  • 9% faster in single-core GeekBench 5 test: 390 and 358 points

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
Phone:
vs

Display

Type IPS LCD IPS LCD
Size 6.53 inches 6.5 inches
Resolution 1080 x 2340 pixels 720 x 1600 pixels
Aspect ratio 19.5:9 20:9
PPI 395 ppi 270 ppi
Refresh rate 60 Hz 60 Hz
Max rated brightness 400 nits 480 nits
HDR support No No
Screen protection Corning Gorilla Glass 3 Tempered glass
Screen-to-body ratio 83.2% 81.7%
Display tests
RGB color space 93% -
PWM 500 Hz -
Response time 35 ms -
Contrast 710:1 -
Peak brightness test (auto)
425 nits
Sources: NotebookCheck [3]

Design and build

Height 163.3 mm (6.43 inches) 164.5 mm (6.48 inches)
Width 77 mm (3.03 inches) 75.9 mm (2.99 inches)
Thickness 9.1 mm (0.36 inches) 9.6 mm (0.38 inches)
Weight 198 gramm (6.98 oz) 209 gramm (7.37 oz)
Waterproof No No
Rear material Plastic Plastic
Frame material Plastic Plastic
Colors Gray, Green, Purple Gray, Blue
Fingerprint scanner Yes, rear Yes, rear
Screen-to-body ratio
Redmi 9 +2%
83.2%
81.7%

Performance

Tests of Xiaomi Redmi 9 and Oppo Realme C25s in the benchmarks
SoC
Chipset MediaTek Helio G80 MediaTek Helio G85
Max. clock 2000 MHz 2000 MHz
CPU cores 8 (2 + 6) 8 (2 + 6)
Architecture - 6 cores at 1.8 GHz: Cortex-A55
- 2 cores at 2 GHz: Cortex-A75
- 6 cores at 1.8 GHz: Cortex-A55
- 2 cores at 2 GHz: Cortex-A75
Lithography process 12 nanometers 12 nanometers
Graphics Mali-G52 MP2 Mali-G52 MP2
GPU clock 950 MHz 1000 MHz
FLOPS ~54.6 GFLOPS ~59 GFLOPS
Memory
RAM size 3, 4 GB 4 GB
Memory type LPDDR4X LPDDR4X
Memory clock 1866 MHz 1866 MHz
Channels 2 2
Storage
Storage size 32, 64 GB 64, 128 GB
Storage type eMMC 5.1 eMMC 5.1
Memory card MicroSD MicroSD
Memory card max. size Up to 512 GB Up to 256 GB

Benchmarks

Geekbench 5 (Single-Core)
358
390
Geekbench 5 (Multi-Core)
1303
1362
AnTuTu Benchmark 9
214993
220072
CPU 73414 71210
GPU 33594 39410
Memory 44013 47486
UX 65802 63490
Total score 214993 220072
3DMark Wild Life Performance
664
707
Stability 98% 97%
Graphics test 3 FPS 4 FPS
Graphics score 664 707
PCMark 3.0 score 8453 8792
Sources: 3DMark [3], [4]

Software

Operating system Android 10 (Can be upgraded to Android 11) Android 11 (Can be upgraded to Android 12)
ROM MIUI 12.5 Enhanced Edition Realme UI 3.0
OS size 13 GB -

Battery

Specifications
Capacity 5020 mAh 6000 mAh
Charge power 18 W 18 W
Battery type Li-Po Li-Po
Replaceable No No
Wireless charging No No
Reverse charging No Yes
Fast charging Yes (50% in 80 min) Yes (43% in 70 min)
Full charging time 3:05 hr 3:10 hr
Battery life tests
Web browsing 11:20 hr -
Watching video 13:39 hr -
Gaming 05:36 hr -
Standby 116 hr -
General battery life
33:05 hr

Camera

Specs and camera test of smartphones
Main camera
Matrix 13 megapixels 48 megapixels
Image resolution 4128 x 3096 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 120 FPS (720p) No
Angle of widest lens 118° -
Lenses 4 (13 MP + 8 MP + 5 MP + 2 MP) 3 (48 MP + 2 MP + 2 MP)
Wide (main) lens - 13 MP
- Aperture: f/2.2
- Focal length: 28 mm
- Pixel size: 1.12 micron
- Sensor: 1/3.1" (CMOS)
- Phase autofocus
- 48 MP
- Aperture: f/1.8
- Focal length: 26 mm
- Pixel size: 0.8 micron
- Phase autofocus
Ultra-wide lens - 8 MP
- Aperture: f/2.2
- Focal length: 13 mm
- Pixel size: 1.12 micron
- Sensor: 1/4.0", OmniVision OV8856
-
Macro lens - 5 MP
- Aperture: f/2.4
- Pixel size: 1.12 micron
- 2 MP
- Aperture: f/2.4
- Pixel size: 1.75 micron
Depth lens - 2 MP
- Aperture: f/2.4
- Pixel size: 1.75 micron
- Sensor: 1/5", GalaxyCore GC02M1 (CMOS)
- 2 MP
- Aperture: f/2.4
Camera features - Bokeh mode
- Pro mode
- Bokeh mode
- Pro mode
Selfie camera
Megapixels 8 megapixels 8 megapixels
Image resolution 3264 x 2448 3264 x 2448
Aperture f/2.0 f/2.0
Focal length 27 mm 26 mm
Pixel size - 1.12 microns
Sensor type CMOS CMOS
Video resolution 1080p (Full HD) at 30 FPS 1080p (Full HD) at 30 FPS

Connectivity

Wi-Fi standard Wi-Fi 5 (802.11 a/b/g/n/ac) 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 5 5
Bluetooth features LE, HID, A2DP LE, A2DP
USB type USB Type-C USB Type-C
USB version 2 2
USB features - Charging
- USB-Storage mode
- OTG
- Charging
- USB-Storage mode
- OTG
GPS GPS, GLONASS, Beidou, Galileo GPS, GLONASS, Beidou, Galileo
NFC* Yes No
Infrared port Yes 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* 7 7
5G support No No

Sound

Speakers Mono Mono
Headphone audio jack Yes Yes
FM radio Yes No
Dolby Atmos No No
Speakers test
Max. loudness
83.7 dB

Other

Category Budget Budget
Announced June 2020 June 2021
Release date July 2020 June 2021
SAR (head) 0.71 W/kg -
SAR (body) 1.06 W/kg -
Sensors - Proximity sensor
- Gyroscope
- Accelerometer
- Ambient light sensor
- Compass
- Fingerprint
- 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

If the performance and battery life are more important to you, then choose the Oppo Realme C25s. But if the display and sound are more of a priority – go for the Xiaomi Redmi 9.

Cast your vote

So, which phone would you choose?
60 (40%)
90 (60%)
Total votes: 150

User opinions

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