Home Phone comparison Oppo Realme C33 and Xiaomi Redmi 15C 4G - Which is better?

Oppo Realme C33 vs Xiaomi Redmi 15C 4G

45 out 100
Oppo Realme C33
VS
56 out 100
Xiaomi Redmi 15C 4G
Oppo Realme C33
Xiaomi Redmi 15C 4G

Compared 2 smartphones : Oppo Realme C33 Manufactured in September, 2022, with display 6.5 with chipsetUnisoc Tiger T612, vs Xiaomi Redmi 15C 4G, Manufactured in August, 2025 with chipsetMediaTek Helio G81 Ultra. 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 C33
  • Higher pixel density: 270ppi
  • Lighter design: 187g vs 205g
  • Includes charger
Reasons to choose Xiaomi Redmi 15C 4G
  • Larger display: 6.9in
  • Higher refresh rate: 120Hz
  • Higher battery capacity: 6000mAh vs 5000mAh
  • Newer Bluetooth version: 5.4 vs 5

Versions

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

Review

Key Specs Oppo Realme C33 and Xiaomi Redmi 15C 4G
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 C33
vs
Xiaomi Redmi 15C 4G

Display

Display quality comparison
Type IPS LCD IPS LCD
Size 6.5 in 6.9 in
Resolution 720x1600 pixels 720x1600 pixels
Aspect ratio 20:9 20:9
Pixel density 270 ppi 254 ppi
Refresh rate 60 Hz 120 Hz
Adaptive refresh rate No Yes (60-120 Hz)
Max brightness 400 nits n/a
HDR support No No
Touch Sampling Rate 120 Hz n/a
Screen-to-body ratio 82.1 % 84.2 %

Design & Build

Design and ergonomics comparison
Height 164.2 mm (6.46 in) 171.6 mm (6.76 in)
Width 75.7 mm (2.98 in) 79.5 mm (3.13 in)
Thickness 8.3 mm (0.33 in) 8 mm (0.31 in)
Weight 187 g (6.6 oz) 205 g (7.23 oz)
Water resistance No IP64
Back panel Plastic Eco Leather
Frame Plastic Plastic
Colors - Gold
- Blue		 - Gray
- Blue
- Green
- Orange
Fingerprint sensor Yes In-Button Yes, In-Button
Screen-to-body ratio
Oppo Realme C33
82.1 %
Xiaomi Redmi 15C 4G
84.2 %

Performance

Testing Oppo Realme C33 and Xiaomi Redmi 15C 4G In benchmarks
Processor
Chipset Unisoc Tiger T612 MediaTek Helio G81 Ultra
Max Frequency 1800 MHz 2000 MHz
CPU Cores 8 (2 + 6) 8 (2 + 6)
Architecture - 6/1.8 (Cortex-A55)
- 2/1.8 (Cortex-A75)		 - 6/1.7 (Cortex-A55)
- 2/2 (Cortex-A75)
Process TSMC TSMC
Transistor Size 12 nm 12 nm
Neural Processor n/a Yes
Graphics Mali-G57 MP1 Mali-G52 MP2
GPU Cores 32 48
GPU Frequency 614 MHz 820 MHz
FLOPS 78.6 GFLOPS 78.7 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Oppo Realme C33
428
Xiaomi Redmi 15C 4G
421
Geekbench 6 (Multi-Core)
Oppo Realme C33
1428
Xiaomi Redmi 15C 4G
1387
Geekbench 6 (Single-Core)428421
Geekbench 6 (Multi-Core)14281387
Sources: Geekbench v6 [Oppo Realme C33]
AnTuTu 10
AnTuTu 10
Oppo Realme C33
249559
Xiaomi Redmi 15C 4G
278312
CPU8625884872
GPU2257535457
Memory8376874922
UX5695883061
NanoReview Score249559278312
3DMark Wild Life
3DMark Wild Life
Oppo Realme C33
417
Xiaomi Redmi 15C 4G
n/a
Stability98 %n/a
Graphics Test2 fpsn/a
Graphics Score417n/a
Sources: 3DMark [Oppo Realme C33]
PCMark 3.0
PCMark 3.0
Oppo Realme C33
7420
Xiaomi Redmi 15C 4G
n/a
Writing score9814n/a
Web score6974n/a
Video editing4641n/a
Data manipulation5574n/a
NanoReview Score7420n/a

Memory

RAM
RAM Size - 3 GB
- 4 GB		 4 GB
Memory Type LPDDR4X LPDDR4X
Memory Frequency n/a 1800 MHz
Channels 2 2
Storage
Storage Capacity- 32 GB
- 64 GB
- 128 GB		128 GB
Storage TypeUFS 2.2eMMC 5.1
Memory CardMicroSDMicroSD

Software

OS Android 12 Android 15
UI Skin Realme UI S HyperOS 2.0

Battery

Volume 5000 mAh 6000 mAh
Max Charging Power 10 W 33 W
Battery Type Li-Po Li-Po
Removable No No
Wireless Charging No No
Reverse Charging No No
Fast Charging No Yes
Full Charge Time 3:00 h n/a

Main camera

Matrix 50 MP 50 MP
Photo resolution 8192x6144 pixels 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)
Slow Motion No n/a
Lenses count Standard: 50 MP
Depth: 0.3 MP		 Standard: 50 MP
Depth
Features Bokeh effect - Bokeh effect
- Pro mode
Main lens
Matrix50 MP50 MP
Aperturef/1.8f/1.8
Focal lengthn/a28 mm
Sensor sizen/a1/2
AutofocusPhase autofocusPhase autofocus
StabilizationDigitalDigital

Front camera

Matrix 5 MP 8 MP
Photo resolution 2560x1960 pixels n/a
Aperture f/2.2 f/2.0
Focal length 27 mm n/a
Sensor CMOS CMOS
Sensor size 1/5.0 1/4.0
Pixel size n/a 1.12 μm
Autofocus No No
Stabilization Digital No
Video resolution 720p at 30 fps 1080p (Full HD) at 30 fps
TOF 3D sensor No No

Connectivity

Wi-Fi version 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 5 5.4
Bluetooth features LE, A2DP LE
USB type Micro USB USB Type-C
USB version 2 2
USB features - Charging
- USB Storage Mode		 - Charging
- USB Storage Mode
- OTG
DisplayPort n/a No
GPS - GPS
- GLONASS
- Galileo		 - 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 850/900/1800/1900n/a
3G BandsWCDMA Bands 1/5/8n/a
LTE Bands*LTE (B/B1/B3/B5/B8/B38/B40/B41)n/a
LTE category7n/a
5G SupportNoNo

Sound

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

Other

Class Budget Budget
Announced September, 2022 yr August, 2025 yr
Release Date September, 2022 yr August, 2025 yr
Launch Price ($) 140 n/a
MSRP ($) n/a 120
Sensors - Proximity Sensor
- Accelerometer
- Ambient Light Sensor
- Fingerprint sensor		 - Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included Yes 10 W n/a
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

After analyzing the data, we consider Xiaomi Redmi 15C 4G the clear winner in this comparison.

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