Oppo Realme C75 vs Xiaomi Redmi 15C 5G

Compared 2 smartphones : Oppo Realme C75 Manufactured in December, 2024, with display 6.72 with chipsetMediaTek Helio G92 Max, vs Xiaomi Redmi 15C 5G, Manufactured in September, 2025 with chipsetMediaTek Dimensity 6300. Below are specs, tests, pros and cons for each device

Key Differences

Device key advantages
Reasons to choose Oppo Realme C75
  • Higher pixel density: 392ppi
  • Lighter design: 196g vs 211g
Reasons to choose Xiaomi Redmi 15C 5G
  • Larger display: 6.9in
  • Higher refresh rate: 120Hz
  • Newer Bluetooth version: 5.4 vs 5

Versions

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

Review

Key Specs Oppo Realme C75 and Xiaomi Redmi 15C 5G
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
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Function
Importance (Weight)
Display:
Camera:
Performance:
Gaming:
Battery:
Connectivity:
Higher weight means greater impact on NanoReview score.

Tests & specs

Specs & test comparison

Display

Display quality comparison
Type IPS LCD IPS LCD
Size 6.72 in 6.9 in
Resolution 1080x2400 pixels 720x1600 pixels
Aspect ratio 20:9 20:9
Pixel density 392 ppi 254 ppi
Refresh rate 90 Hz 120 Hz
Adaptive refresh rate No Yes (60-120 Hz)
Max brightness 690 nits 810 nits
HDR support No No
Touch Sampling Rate n/a 240 Hz
Screen-to-body ratio 86.3 % 81.8 %

Design & Build

Design and ergonomics comparison
Height 165.69 mm (6.52 in) 173.2 mm (6.82 in)
Width 76.22 mm (3 in) 81.1 mm (3.19 in)
Thickness 7.99 mm (0.31 in) 8.2 mm (0.32 in)
Weight 196 g (6.91 oz) 211 g (7.44 oz)
Water resistance IP69 IP64
Back panel Plastic n/a
Frame Plastic Plastic
Colors - Black
- Gold
- Black
- Green
- Purple
Fingerprint sensor Yes In-Button Yes, In-Button
Screen-to-body ratio
Oppo Realme C75
86.3 %
Xiaomi Redmi 15C 5G
81.8 %

Performance

Testing Oppo Realme C75 and Xiaomi Redmi 15C 5G In benchmarks
Processor
Chipset MediaTek Helio G92 Max MediaTek Dimensity 6300
Max Frequency 2000 MHz 2400 MHz
CPU Cores 8 (2 + 6) 8 (2 + 6)
Architecture - 6/1.8 (Cortex-A55)
- 2/2 (Cortex-A75)
- 6/2 (Cortex-A55)
- 2/2.4 (Cortex-A76)
Process TSMC TSMC
Transistor Size 12 nm 6 nm
Neural Processor MediaTek APU Yes
Graphics Mali-G52 MP2 Mali-G57 MP2
GPU Cores 48 64
GPU Frequency 1000 MHz 1072 MHz
FLOPS 96 GFLOPS 137.2 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Oppo Realme C75
436
Xiaomi Redmi 15C 5G
474
Geekbench 6 (Multi-Core)
Oppo Realme C75
1356
Xiaomi Redmi 15C 5G
1591
Geekbench 6 (Single-Core)436474
Geekbench 6 (Multi-Core)13561591
Geekbench Compute (GPU)1075374
AnTuTu 10
AnTuTu 10
Oppo Realme C75
222969
Xiaomi Redmi 15C 5G
411047
CPU58520142611
GPU4083866999
Memory5967296658
UX63939104779
NanoReview Score222969411047

Memory

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

Software

OS Android 14 Android 15
UI Skin Realme UI 5.0 HyperOS 2.0

Battery

Volume 6000 mAh 6000 mAh
Max Charging Power 45 W 33 W
Battery Type Li-Po Li-Po
Removable No No
Wireless Charging No No
Reverse Charging Yes Yes
Fast Charging Yes (40% in 30 min) Yes (50% in 40 min)
Full Charge Time n/a 1:38 h

Main camera

Matrix 50 MP 50 MP
Photo resolution n/a 8160x6144 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)
Lenses count Standard: 50 MP
Depth
Standard: 50 MP
Depth
Features - Bokeh effect
- Pro mode
- Bokeh effect
- Pro mode
Main lens
Matrix50 MP50 MP
Aperturef/1.8f/1.8
Focal lengthn/a28 mm
Sensorn/aSamsung S5KJNS
Sensor size1/2.881/2.96
Pixel size0.64 μm0.64 μm
AutofocusPhase autofocusPhase autofocus
StabilizationDigitalDigital

Front camera

Matrix 8 MP 8 MP
Photo resolution 3264x2448 pixels n/a
Aperture f/2.0 f/2.0
Focal length 26 mm n/a
Sensor CMOS CMOS
Sensor size 1/4 1/3.06
Pixel size n/a 1.12 μm
Autofocus No No
Stabilization Digital No
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 5.4
Bluetooth features LE LE
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 No
GPS - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
- GPS
- GLONASS
- Beidou
- Galileo
NFC* Varies by region Varies by region
Infrared Port No No
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoNo
Hybrid SlotNoNo
2G BandsGSM 850/900/1800/1900MHzn/a
3G BandsWCDMA 1/5/8n/a
LTE Bands*LTE (B1/B3/B5/B7/B8/B20/B28/B38/B40/B41)n/a
LTE category7n/a
5G SupportNoYes

Sound

Speakers Stereo n/a
3.5 mm Jack No Yes
FM Radio No Yes
Dolby Atmos No No

Other

Class Budget Budget
Announced November, 2024 yr September, 2025 yr
Release Date December, 2024 yr September, 2025 yr
Launch Price ($) 180 n/a
MSRP ($) n/a 175
Sensors - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included Yes 45 W Yes, 33 W
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

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