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

Oppo Realme C75 vs Xiaomi Redmi 9

54 out 100
Oppo Realme C75
VS
42 out 100
Xiaomi Redmi 9
Oppo Realme C75
Xiaomi Redmi 9

Compared 2 smartphones : Oppo Realme C75 Manufactured in December, 2024, with display 6.72 with chipsetMediaTek Helio G92 Max, vs Xiaomi Redmi 9, Manufactured in July, 2020 with chipsetMediaTek Helio G80. 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 198g
  • Higher battery capacity: 6000mAh vs 5020mAh
Reasons to choose Xiaomi Redmi 9
  • Higher pixel density: 395ppi
  • Infrared port

Versions

Available versions and configurations
Memory Options - 6/128 GB
- 8/128 GB
- 8/256 GB		 - 3/32 GB
- 4/64 GB
- 4/128 GB
- 6/128 GB

Review

Key Specs Oppo Realme C75 and Xiaomi Redmi 9
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 9

Display

Display quality comparison
Type IPS LCD IPS LCD
Size 6.72 in 6.53 in
Resolution 1080x2400 pixels 1080x2340 pixels
Aspect ratio 20:9 19.5:9
Pixel density 392 ppi 395 ppi
Refresh rate 90 Hz 60 Hz
Adaptive refresh rate No No
Max brightness 690 nits 400 nits
HDR support No No
Screen-to-body ratio 86.3 % 83.2 %
Display test
Peak brightness (auto)
Oppo Realme C75
n/a
Xiaomi Redmi 9
423 nits
sRGB gamutn/a93 %
PWM (Flicker)n/a500 Hz
Response timen/a35 ms
Contrastn/a710:1
Sources: NotebookCheck [Xiaomi Redmi 9]

Design & Build

Design and ergonomics comparison
Height 165.69 mm (6.52 in) 163.3 mm (6.43 in)
Width 76.22 mm (3 in) 77 mm (3.03 in)
Thickness 7.99 mm (0.31 in) 9.1 mm (0.36 in)
Weight 196 g (6.91 oz) 198 g (6.98 oz)
Water resistance IP69 No
Back panel Plastic Plastic
Frame Plastic Plastic
Colors - Black
- Gold		 - Gray
- Green
- Purple
Fingerprint sensor Yes In-Button Yes rear
Screen-to-body ratio
Oppo Realme C75
86.3 %
Xiaomi Redmi 9
83.2 %

Performance

Testing Oppo Realme C75 and Xiaomi Redmi 9 In benchmarks
Processor
Chipset MediaTek Helio G92 Max MediaTek Helio G80
Max Frequency 2000 MHz 2000 MHz
CPU Cores 8 (2 + 6) 8 (2 + 6)
Architecture - 6/1.8 (Cortex-A55)
- 2/2 (Cortex-A75)		 - 6/1.8 (Cortex-A55)
- 2/2 (Cortex-A75)
Process TSMC TSMC
Transistor Size 12 nm 12 nm
Neural Processor MediaTek APU Yes
Graphics Mali-G52 MP2 Mali-G52 MP2
GPU Cores 48 48
GPU Frequency 1000 MHz 950 MHz
FLOPS 96 GFLOPS 91.2 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Oppo Realme C75
436
Xiaomi Redmi 9
514
Geekbench 6 (Multi-Core)
Oppo Realme C75
1356
Xiaomi Redmi 9
1559
Geekbench 6 (Single-Core)436514
Geekbench 6 (Multi-Core)13561559
Geekbench Compute (GPU)1075n/a
Sources: Geekbench v6 [Oppo Realme C75]
AnTuTu 10
AnTuTu 10
Oppo Realme C75
222969
Xiaomi Redmi 9
263655
CPU5852093634
GPU4083838883
Memory5967262983
UX6393968155
NanoReview Score222969263655
3DMark Wild Life
3DMark Wild Life
Oppo Realme C75
n/a
Xiaomi Redmi 9
664
Max Surface Temp.n/a47 °C
Stabilityn/a98 %
Graphics Testn/a3 fps
Graphics Scoren/a664
Sources: 3DMark [Xiaomi Redmi 9]
PCMark 3.0
PCMark 3.0
Oppo Realme C75
n/a
Xiaomi Redmi 9
8330
Writing scoren/a9134
Web scoren/a7371
Video editingn/a5562
Data manipulationn/a6064
NanoReview Scoren/a8330

Memory

RAM
RAM Size - 6 GB
- 8 GB		 - 3 GB
- 4 GB
- 6 GB
Memory Type LPDDR4X LPDDR4X
Memory Frequency 1800 MHz 1866 MHz
Channels 2 2
Storage
Storage Capacity- 128 GB
- 256 GB		- 32 GB
- 64 GB
- 128 GB
Storage TypeeMMC 5.1eMMC 5.1
Memory CardMicroSDMicroSD

Software

OS Android 14 Android 10 (Upgradeable to Android 12)
OS Size n/a 13 GB
UI Skin Realme UI 5.0 MIUI 13

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 80 min)
Full Charge Time n/a 3:05 h
Battery Life Test
Battery Life
Oppo Realme C75
n/a
Xiaomi Redmi 9
22:51
Web Browsingn/a08:45 h
Video Playbackn/a13:56 h
Gamesn/a05:30 h
Standby Moden/a113 h

Main camera

Matrix 50 MP 13 MP
Photo resolution n/a 4128x3096 pixels
Zoom Digital Digital
Flash LED LED
Stabilization Digital Digital
8K Recording No No
4K Recording No No
1080p Recording Yes (Up to 30 fps) Yes (Up to 30 fps)
Slow Motion n/a 120 fps (720p)
Wide-angle lens n/a 118 °
Lenses count Standard: 50 MP
Depth		 Standard: 13 MP
Ultra-wide: 8 MP
Macro: 5 MP
Depth: 2 MP
Features - Bokeh effect
- Pro mode		 - Bokeh effect
- Pro mode
Main lens
Matrix50 MP13 MP
Aperturef/1.8f/2.2
Focal lengthn/a28 mm
Sensorn/aOmnivision OV13B10
Sensor size1/2.881/3.1
Pixel size0.64 μm1.12 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 8 MP
Photo resolution 3264x2448 pixels 3264x2448 pixels
Aperture f/2.0 f/2.0
Focal length 26 mm 27 mm
Sensor CMOS CMOS
Sensor size 1/4 1/4.0
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		 - 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
NFC* Varies by region Yes
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 B2/3/5/8
3G BandsWCDMA 1/5/8HSDPA B1/2/4/5/8
LTE Bands*LTE (B1/B3/B5/B7/B8/B20/B28/B38/B40/B41)LTE (B1/B2/B3/B4/B5/B7/B8/B20/B28)
LTE category77
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 9
83.7 dB

Other

Class Budget Budget
Announced November, 2024 yr June, 2020 yr
Release Date December, 2024 yr July, 2020 yr
Launch Price ($) 180 130
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 Yes 10 W
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

After analyzing the data, we consider Oppo Realme C75 the clear winner in this comparison.

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