Home Phone comparison Oppo Realme C33 and Xiaomi Redmi 7A - Which is better?

Oppo Realme C33 vs Xiaomi Redmi 7A

45 out 100
Oppo Realme C33
VS
31 out 100
Xiaomi Redmi 7A
Oppo Realme C33
Xiaomi Redmi 7A

Compared 2 smartphones : Oppo Realme C33 Manufactured in September, 2022, with display 6.5 with chipsetUnisoc Tiger T612, vs Xiaomi Redmi 7A, Manufactured in June, 2019 with chipsetQualcomm Snapdragon 439. 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
  • Larger display: 6.5in
  • Higher battery capacity: 5000mAh vs 4000mAh
  • Newer Bluetooth version: 5 vs 4.2
  • Includes charger
  • Fingerprint scanner
Reasons to choose Xiaomi Redmi 7A
  • Higher pixel density: 295ppi
  • Lighter design: 165g vs 187g

Versions

Available versions and configurations
Memory Options - 3/32 GB
- 4/64 GB
- 4/128 GB		 - 2/16 GB
- 2/32 GB
- 3/32 GB

Review

Key Specs Oppo Realme C33 and Xiaomi Redmi 7A
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 7A

Display

Display quality comparison
Type IPS LCD IPS LCD
Size 6.5 in 5.45 in
Resolution 720x1600 pixels 720x1440 pixels
Aspect ratio 20:9 18:9
Pixel density 270 ppi 295 ppi
Refresh rate 60 Hz 60 Hz
Adaptive refresh rate No No
Max brightness 400 nits 530 nits
HDR support No No
Touch Sampling Rate 120 Hz n/a
Screen-to-body ratio 82.1 % 74.4 %
Display test
Peak brightness (auto)
Oppo Realme C33
n/a
Xiaomi Redmi 7A
506 nits
sRGB gamutn/a94.2 %
PWM (Flicker)n/a384 Hz
Response timen/a27 ms
Contrastn/a888:1
Sources: NotebookCheck [Xiaomi Redmi 7A]

Design & Build

Design and ergonomics comparison
Height 164.2 mm (6.46 in) 146.3 mm (5.76 in)
Width 75.7 mm (2.98 in) 70.4 mm (2.77 in)
Thickness 8.3 mm (0.33 in) 9.5 mm (0.37 in)
Weight 187 g (6.6 oz) 165 g (5.82 oz)
Water resistance No IPX4
Back panel Plastic Plastic
Frame Plastic Plastic
Colors - Gold
- Blue		 - Black
- Blue
- Red
Fingerprint sensor Yes In-Button No
Screen-to-body ratio
Oppo Realme C33
82.1 %
Xiaomi Redmi 7A
74.4 %

Performance

Testing Oppo Realme C33 and Xiaomi Redmi 7A In benchmarks
Processor
Chipset Unisoc Tiger T612 Qualcomm Snapdragon 439
Max Frequency 1800 MHz 2000 MHz
CPU Cores 8 (2 + 6) 8 (4 + 4)
Architecture - 6/1.8 (Cortex-A55)
- 2/1.8 (Cortex-A75)		 - 4/1.45 (Cortex-A53)
- 4/2 (Cortex-A53)
Process TSMC Samsung
Transistor Size 12 nm 12 nm
Neural Processor n/a Hexagon 536
Graphics Mali-G57 MP1 Adreno 505
GPU Cores 32 48
GPU Frequency 614 MHz 450 MHz
FLOPS 78.6 GFLOPS 43.2 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Oppo Realme C33
428
Xiaomi Redmi 7A
477
Geekbench 6 (Multi-Core)
Oppo Realme C33
1428
Xiaomi Redmi 7A
1521
Geekbench 6 (Single-Core)428477
Geekbench 6 (Multi-Core)14281521
Sources: Geekbench v6 [Oppo Realme C33]
AnTuTu 10
AnTuTu 10
Oppo Realme C33
249559
Xiaomi Redmi 7A
118018
CPU8625837665
GPU2257514471
Memory8376826778
UX5695839104
NanoReview Score249559118018
3DMark Wild Life
3DMark Wild Life
Oppo Realme C33
417
Xiaomi Redmi 7A
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 7A
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		 2 GB
Memory Type LPDDR4X LPDDR3
Memory Frequency n/a 933 MHz
Channels 2 1
Storage
Storage Capacity- 32 GB
- 64 GB
- 128 GB		- 16 GB
- 32 GB
Storage TypeUFS 2.2eMMC 5.1
Memory CardMicroSDMicroSD

Software

OS Android 12 Android 9.0 (Upgradeable to Android 10)
OS Size n/a 6.4 GB
UI Skin Realme UI S MIUI 12

Battery

Volume 5000 mAh 4000 mAh
Max Charging Power 10 W n/a
Battery Type Li-Po Li-Po
Removable No No
Wireless Charging No No
Reverse Charging No No
Fast Charging No No
Full Charge Time 3:00 h 2:35 h
Battery Life Test
Battery Life
Oppo Realme C33
n/a
Xiaomi Redmi 7A
17:13
Web Browsingn/a06:26 h
Video Playbackn/a09:44 h
Gamesn/a04:10 h
Standby Moden/a90 h

Main camera

Matrix 50 MP 12 MP
Photo resolution 8192x6144 pixels 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 No No
Lenses count Standard: 50 MP
Depth: 0.3 MP		 Standard: 12 MP
Features Bokeh effect
Main lens
Matrix50 MP12 MP
Aperturef/1.8f/2.2
Sensorn/aSony IMX486
Sensor sizen/a1/2.9
Pixel sizen/a1.12 μm
AutofocusPhase autofocusPhase autofocus
StabilizationDigitalDigital

Front camera

Matrix 5 MP 5 MP
Photo resolution 2560x1960 pixels 2592x1944 pixels
Aperture f/2.2 f/2.2
Focal length 27 mm n/a
Sensor CMOS GalaxyCore
Sensor size 1/5.0 1/5
Pixel size n/a 1.12 μm
Autofocus No No
Stabilization Digital Digital
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 4 (802.11 a/b/g/n)
Wi-Fi features - Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display		 - Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 5 4.2
Bluetooth features LE, A2DP LE, A2DP
USB type Micro USB Micro USB
USB version 2 2
USB features - Charging
- USB Storage Mode		 - Charging
- USB Storage Mode
- USB-Host mode
- OTG
GPS - GPS
- GLONASS
- Galileo		 - GPS
- GLONASS
- Beidou
NFC* Varies by region No
Infrared Port No No
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoNo
Hybrid SlotNoNo
2G BandsGSM 850/900/1800/1900GSM 850, GSM 900, GSM 1800, GSM 1900
3G BandsWCDMA Bands 1/5/8HSDPA 900, HSDPA 2100
LTE Bands*LTE (B/B1/B3/B5/B8/B38/B40/B41)LTE (B800/B900/B1800/B1900/B2300/B2500/B2600)
LTE category74
5G SupportNoNo

Sound

Speakers Mono Mono
3.5 mm Jack Yes Yes
FM Radio n/a Yes
Dolby Atmos No No
Speaker Test
Max Volume
Oppo Realme C33
n/a
Xiaomi Redmi 7A
82 dB

Other

Class Budget Budget
Announced September, 2022 yr May, 2019 yr
Release Date September, 2022 yr June, 2019 yr
Launch Price ($) 140 85
Sensors - Proximity Sensor
- Accelerometer
- Ambient Light Sensor
- Fingerprint sensor		 - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
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 Oppo Realme C33 the clear winner in this comparison.

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