Home Phone comparison Oppo Realme C30 and Samsung Galaxy M21 - Which is better?

Oppo Realme C30 vs Samsung Galaxy M21

39 out 100
Oppo Realme C30
VS
45 out 100
Samsung Galaxy M21
Oppo Realme C30
Samsung Galaxy M21

Compared 2 smartphones : Oppo Realme C30 Manufactured in July, 2022, with display 6.5 with chipsetUnisoc Tiger T612, vs Samsung Galaxy M21, Manufactured in March, 2020 with chipsetSamsung Exynos 7 Octa 9611. 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 C30
  • Larger display: 6.5in
  • Lighter design: 182g vs 188g
  • Includes charger
Reasons to choose Samsung Galaxy M21
  • Higher pixel density: 403ppi
  • Higher battery capacity: 6000mAh vs 5000mAh
  • Supports Dolby Atmos
  • Fingerprint scanner

Versions

Available versions and configurations
Memory Options - 2/32 GB
- 3/32 GB
- 4/64 GB		 - 4/64 GB
- 6/128 GB

Review

Key Specs Oppo Realme C30 and Samsung Galaxy M21
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.
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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
Smartphones:
Oppo Realme C30
vs
Samsung Galaxy M21

Display

Display quality comparison
Type IPS LCD Super AMOLED
Size 6.5 in 6.4 in
Resolution 720x1600 pixels 1080x2340 pixels
Aspect ratio 20:9 19.5:9
Pixel density 270 ppi 403 ppi
Refresh rate 60 Hz 60 Hz
Adaptive refresh rate No No
Max brightness 400 nits 630 nits
HDR support No No
Touch Sampling Rate 120 Hz n/a
Screen-to-body ratio 82.3 % 84.2 %
Features n/a Always-On Display
Display test
Peak brightness (auto)
Oppo Realme C30
n/a
Samsung Galaxy M21
608 nits
sRGB gamutn/a141.3 %
PWM (Flicker)n/a215 Hz
Response timen/a9 ms
Contrastn/a∞ Infinite
Sources: NotebookCheck [Samsung Galaxy M21]

Design & Build

Design and ergonomics comparison
Height 164.1 mm (6.46 in) 159 mm (6.26 in)
Width 75.6 mm (2.98 in) 75.1 mm (2.96 in)
Thickness 8.5 mm (0.33 in) 8.9 mm (0.35 in)
Weight 182 g (6.42 oz) 188 g (6.63 oz)
Water resistance No No
Back panel Plastic Plastic
Frame Plastic Plastic
Colors - Black
- Blue
- Green		 - Black
- Blue
- Green
Fingerprint sensor No Yes rear
Screen-to-body ratio
Oppo Realme C30
82.3 %
Samsung Galaxy M21
84.2 %

Performance

Testing Oppo Realme C30 and Samsung Galaxy M21 In benchmarks
Processor
Chipset Unisoc Tiger T612 Samsung Exynos 7 Octa 9611
Max Frequency 1800 MHz 2300 MHz
CPU Cores 8 (2 + 6) 8 (4 + 4)
Architecture - 6/1.8 (Cortex-A55)
- 2/1.8 (Cortex-A75)		 - 4/1.7 (Cortex-A53)
- 4/2.3 (Cortex-A73)
Process TSMC Samsung
Transistor Size 12 nm 10 nm
Neural Processor n/a Yes
Graphics Mali-G57 MP1 Mali-G72 MP3
GPU Cores 32 54
GPU Frequency 614 MHz 850 MHz
FLOPS 78.6 GFLOPS 113.8 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Oppo Realme C30
512
Samsung Galaxy M21
514
Geekbench 6 (Multi-Core)
Oppo Realme C30
1556
Samsung Galaxy M21
1558
Geekbench 6 (Single-Core)512514
Geekbench 6 (Multi-Core)15561558
AnTuTu 10
AnTuTu 10
Oppo Realme C30
228611
Samsung Galaxy M21
266455
CPU7596176468
GPU3132245756
Memory5962670269
UX6170273962
NanoReview Score228611266455
3DMark Wild Life
3DMark Wild Life
Oppo Realme C30
413
Samsung Galaxy M21
816
Max Surface Temp.n/a44.1 °C
Stabilityn/a73 %
Graphics Testn/a4 fps
Graphics Scoren/a816
Sources: 3DMark [Oppo Realme C30], [Samsung Galaxy M21]
PCMark 3.0
PCMark 3.0
Oppo Realme C30
7603
Samsung Galaxy M21
n/a
Writing score7826n/a
Web score7204n/a
Video editing4917n/a
Data manipulation5723n/a
NanoReview Score7603n/a

Memory

RAM
RAM Size - 2 GB
- 3 GB
- 4 GB		 - 4 GB
- 6 GB
Memory Type LPDDR4X LPDDR4X
Memory Frequency n/a 1866 MHz
Channels 2 2
Storage
Storage Capacity- 32 GB
- 64 GB		- 64 GB
- 128 GB
Storage TypeUFS 2.2UFS 2.1
Memory CardMicroSDMicroSD

Software

OS Android 11 Android 10.0 (Upgradeable to Android 12.0)
OS Size n/a 14.5 GB
UI Skin Realme UI Go One Ui 4.1

Battery

Volume 5000 mAh 6000 mAh
Max Charging Power 10 W 15 W
Battery Type Li-Po Li-ion
Removable No No
Wireless Charging No No
Reverse Charging No No
Fast Charging No Yes Samsung Adaptive Fast Charge (25% in 30 min)
Full Charge Time 2:55 h 2:35 h
Battery Life Test
Battery Life
Oppo Realme C30
n/a
Samsung Galaxy M21
24:03
Web Browsingn/a10:07 h
Video Playbackn/a13:59 h
Gamesn/a05:35 h
Standby Moden/a115 h

Main camera

Matrix 8 MP 48 MP
Photo resolution 3264x2448 pixels 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 30 fps)
Slow Motion No 240 fps (720p)
Wide-angle lens n/a 123 °
Lenses count Standard: 8 MP Standard: 48 MP
Ultra-wide: 8 MP
Depth: 5 MP
Features - Bokeh effect
- Pro mode
Main lens
Matrix8 MP48 MP
Aperturef/2.0f/2.0
Focal length27 mm26 mm
Sensorn/aSamsung S5KGM2
Sensor size1/4.01/2.0
Pixel sizen/a0.8 μm
AutofocusNoPhase autofocus
StabilizationDigitalDigital
Ultra-wide lens
Matrixn/a8 MP
Aperturen/af/2.2
Focal lengthn/a12 mm
Sensor sizen/a1/4.0
Pixel sizen/a1.12 μm
Stabilizationn/aDigital

Front camera

Matrix 5 MP 20 MP
Photo resolution 2560x1960 pixels 5184x3888 pixels
Aperture f/2.2 f/2.0
Focal length 27 mm 26 mm
Sensor CMOS CMOS
Sensor size 1/5.0 n/a
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 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
Bluetooth version 5 5
Bluetooth features LE PBAP/PAB, PAN, OPP, MAP, HSP, HID, HFP, DIP, AVRCP, A2DP
USB type Micro USB USB Type-C
USB version 2 2
USB features - Charging
- USB Storage Mode
- OTG		 - Charging
- USB Storage Mode
- OTG
GPS - GPS
- GLONASS
- Beidou
- Galileo		 - GPS
- GLONASS
- Beidou
- Galileo
NFC* No Yes
Infrared Port No No
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoNo
Hybrid SlotNoNo
2G BandsGSM 850/900/1800/1900GSM850, GSM900, DCS1800, PCS1900
3G BandsWCDMA Bands 1/5/8B1 (2100), B2 (1900), B5(850), B8 (900)
LTE Bands*LTE (B/B1/B3/B5/B8)LTE (B1/B3/B5/B7/B8/B20/B38/B40/B41)
LTE category712
5G SupportNoNo

Sound

Speakers Mono Mono
3.5 mm Jack Yes Yes
FM Radio No Yes
Dolby Atmos No Yes
Speaker Test
Max Volume
Oppo Realme C30
n/a
Samsung Galaxy M21
83.8 dB

Other

Class Budget Mid-range
Announced July, 2022 yr March, 2020 yr
Release Date July, 2022 yr March, 2020 yr
Launch Price ($) 85 210
Sensors - Proximity Sensor
- Accelerometer
- Ambient Light Sensor		 - Proximity Sensor
- Gyroscope
- 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

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