Home Phone comparison Oppo Realme C75 and Xiaomi Redmi Note 9S - Which is better?

Oppo Realme C75 vs Xiaomi Redmi Note 9S

54 out 100
Oppo Realme C75
VS
49 out 100
Xiaomi Redmi Note 9S
Oppo Realme C75
Xiaomi Redmi Note 9S

Compared 2 smartphones : Oppo Realme C75 Manufactured in December, 2024, with display 6.72 with chipsetMediaTek Helio G92 Max, vs Xiaomi Redmi Note 9S, Manufactured in April, 2020 with chipsetQualcomm Snapdragon 720G. Below are specs, tests, pros and cons for each device

  1. Differences
  2. Review
  3. Specs
  4. Benchmarks
  5. Battery Life
  6. Cameras
  7. Comments (0)

Key Differences

Device key advantages
Reasons to choose Oppo Realme C75
  • Larger display: 6.72in
  • Higher refresh rate: 90Hz
  • Lighter design: 196g vs 210g
  • Higher battery capacity: 6000mAh vs 5020mAh
  • Includes charger
Reasons to choose Xiaomi Redmi Note 9S
  • Higher pixel density: 395ppi
  • Infrared port

Versions

Available versions and configurations
Memory Options - 6/128 GB
- 8/128 GB
- 8/256 GB		 - 4/64 GB
- 4/128 GB
- 6/64 GB
- 6/128 GB

Review

Key Specs Oppo Realme C75 and Xiaomi Redmi Note 9S
Display
Color accuracy, sharpness & brightness
Camera
Main & front camera tests
Performance
App & system performance
Games
3D gaming performance
Battery
Battery life, charging speed & type
Connectivity
Connectivity features
NanoReview Score
Overall score by NanoReview
Adjust each parameter’s importance to find the best match for you.
Customize your score
Function
Importance (Weight)
Display:
Camera:
Performance:
Gaming:
Battery:
Connectivity:
Higher weight means greater impact on NanoReview score.

Tests & specs

Specs & test comparison
Smartphones:
Oppo Realme C75
vs
Xiaomi Redmi Note 9S

Display

Display quality comparison
Type IPS LCD IPS LCD
Size 6.72 in 6.67 in
Resolution 1080x2400 pixels 1080x2400 pixels
Aspect ratio 20:9 20:9
Pixel density 392 ppi 395 ppi
Refresh rate 90 Hz 60 Hz
Adaptive refresh rate No No
Max brightness 690 nits 628 nits
HDR support No Yes HDR10
Screen-to-body ratio 86.3 % 84 %
Display test
Peak brightness (auto)
Oppo Realme C75
n/a
Xiaomi Redmi Note 9S
571 nits
sRGB gamutn/a114.9 %
Response timen/a34 ms
Contrastn/a1111:1
Sources: NotebookCheck [Xiaomi Redmi Note 9S]

Design & Build

Design and ergonomics comparison
Height 165.69 mm (6.52 in) 166 mm (6.54 in)
Width 76.22 mm (3 in) 77 mm (3.03 in)
Thickness 7.99 mm (0.31 in) 8.8 mm (0.35 in)
Weight 196 g (6.91 oz) 210 g (7.41 oz)
Water resistance IP69 No
Back panel Plastic Glass
Frame Plastic Plastic
Colors - Black
- Gold		 - White
- Black
- Blue
Fingerprint sensor Yes In-Button Yes In-Button
Screen-to-body ratio
Oppo Realme C75
86.3 %
Xiaomi Redmi Note 9S
84 %

Performance

Testing Oppo Realme C75 and Xiaomi Redmi Note 9S In benchmarks
Processor
Chipset MediaTek Helio G92 Max Qualcomm Snapdragon 720G
Max Frequency 2000 MHz 2300 MHz
CPU Cores 8 (2 + 6) 8 (2 + 6)
Architecture - 6/1.8 (Cortex-A55)
- 2/2 (Cortex-A75)		 - 6/1.8 (Kryo 465 Silver (Cortex-A55))
- 2/2.3 (Kryo 465 Gold (Cortex-A76))
Process TSMC Samsung
Transistor Size 12 nm 8 nm
Neural Processor MediaTek APU Hexagon 692
Graphics Mali-G52 MP2 Adreno 618
GPU Cores 48 256
GPU Frequency 1000 MHz 750 MHz
FLOPS 96 GFLOPS 384 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Oppo Realme C75
436
Xiaomi Redmi Note 9S
722
Geekbench 6 (Multi-Core)
Oppo Realme C75
1356
Xiaomi Redmi Note 9S
1880
Geekbench 6 (Single-Core)436722
Geekbench 6 (Multi-Core)13561880
Geekbench Compute (GPU)1075n/a
Sources: Geekbench v6 [Oppo Realme C75]
AnTuTu 10
AnTuTu 10
Oppo Realme C75
222969
Xiaomi Redmi Note 9S
387217
CPU58520130988
GPU4083890091
Memory5967272615
UX6393993523
NanoReview Score222969387217
3DMark Wild Life
3DMark Wild Life
Oppo Realme C75
n/a
Xiaomi Redmi Note 9S
1041
Max Surface Temp.n/a42.4 °C
Stabilityn/a98 %
Graphics Testn/a6 fps
Graphics Scoren/a1041
Sources: 3DMark [Xiaomi Redmi Note 9S]
PCMark 3.0
PCMark 3.0
Oppo Realme C75
n/a
Xiaomi Redmi Note 9S
8091
Writing scoren/a9663
Web scoren/a5943
Video editingn/a5437
Data manipulationn/a6802
NanoReview Scoren/a8091

Memory

RAM
RAM Size - 6 GB
- 8 GB		 - 4 GB
- 6 GB
Memory Type LPDDR4X LPDDR4X
Memory Frequency 1800 MHz 2133 MHz
Channels 2 2
Storage
Storage Capacity- 128 GB
- 256 GB		- 64 GB
- 128 GB
Storage TypeeMMC 5.1UFS 2.1
Memory CardMicroSDMicroSD

Software

OS Android 14 Android 10.0 (Upgradeable to Android 12)
OS Size n/a 18 GB
UI Skin Realme UI 5.0 MIUI 14

Battery

Volume 6000 mAh 5020 mAh
Max Charging Power 45 W 18 W
Battery Type Li-Po Li-Po
Removable No No
Wireless Charging No No
Reverse Charging Yes No
Fast Charging Yes (40% in 30 min) Yes (50% in 50 min)
Full Charge Time n/a 2:30 h
Battery Life Test
Battery Life
Oppo Realme C75
n/a
Xiaomi Redmi Note 9S
26:58
Web Browsingn/a10:56 h
Video Playbackn/a15:15 h
Gamesn/a05:45 h
Standby Moden/a136 h

Main camera

Matrix 50 MP 48 MP
Photo resolution n/a 8000x6000 pixels
Zoom Digital Digital
Flash LED LED
Stabilization Digital Digital
8K Recording No No
4K Recording No Yes (Up to 30 fps)
1080p Recording Yes (Up to 30 fps) Yes (Up to 60 fps)
Slow Motion n/a 960 fps (720p)
Wide-angle lens n/a 119 °
Lenses count Standard: 50 MP
Depth		 Standard: 48 MP
Ultra-wide: 8 MP
Macro: 5 MP
Depth: 2 MP
Features - Bokeh effect
- Pro mode		 - Bokeh effect
- Pro mode
Main lens
Matrix50 MP48 MP
Aperturef/1.8f/1.8
Focal lengthn/a26 mm
Sensorn/aSamsung S5KGM2
Sensor size1/2.881/2
Pixel size0.64 μm0.8 μm
AutofocusPhase autofocusPhase autofocus
StabilizationDigitalDigital
Ultra-wide lens
Matrixn/a8 MP
Aperturen/af/2.2
Focal lengthn/a13 mm
Sensorn/aOmnivision OV8856
Sensor sizen/a1/4.0
Pixel sizen/a1.12 μm
Stabilizationn/aDigital

Front camera

Matrix 8 MP 16 MP
Photo resolution 3264x2448 pixels 4920x3264 pixels
Aperture f/2.0 f/2.5
Focal length 26 mm n/a
Sensor CMOS Omnivision OV16A1Q
Sensor size 1/4 1/3.06
Pixel size n/a 1 μm
Autofocus No No
Stabilization Digital Digital
Video resolution 1080p (Full HD) at 30 fps 1080p (Full HD) at 30 fps
TOF 3D sensor No No

Connectivity

Wi-Fi version Wi-Fi 5 (802.11 a/b/g/n/ac) Wi-Fi 5 (802.11 a/b/g/n/ac)
Wi-Fi features - Dual Band
- 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 LE, HID, 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
DisplayPort No n/a
GPS - GPS
- GLONASS
- Beidou
- Galileo
- QZSS		 - GPS
- GLONASS
- Beidou
- Galileo
- NAVIC
NFC* Varies by region No
Infrared Port No Yes
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoNo
Hybrid SlotNoNo
2G BandsGSM 850/900/1800/1900MHzGSM 850 / 900 / 1800 / 2100 / 2600 / 2300 / 2500
3G BandsWCDMA 1/5/8HSDPA 850 / 900 / 1900 / 2100
LTE Bands*LTE (B1/B3/B5/B7/B8/B20/B28/B38/B40/B41)LTE (B850/B900/B1800/B2100/B2300/B2500/B2600)
LTE category712
5G SupportNoNo

Sound

Speakers Stereo Mono
3.5 mm Jack No Yes
FM Radio No Yes
Dolby Atmos No No
Speaker Test
Max Volume
Oppo Realme C75
n/a
Xiaomi Redmi Note 9S
81 dB

Other

Class Budget Mid-range
Announced November, 2024 yr March, 2020 yr
Release Date December, 2024 yr April, 2020 yr
Launch Price ($) 180 200
Sensors - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor		 - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included Yes 45 W n/a
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

No clear favorite identified yet; updates may follow as new data arrives.

Survey

Which smartphone would you pick?
0 (0%)
0 (0%)
Total Votes: 0

User comments

Share your opinion or ask questions below