Home Phone comparison Oppo A5 Pro 5G and Samsung Galaxy M21 - Which is better?

Oppo A5 Pro 5G vs Samsung Galaxy M21

61 out 100
Oppo A5 Pro 5G
VS
45 out 100
Samsung Galaxy M21
Oppo A5 Pro 5G
Samsung Galaxy M21

Compared 2 smartphones : Oppo A5 Pro 5G Manufactured in March, 2025, with display 6.67 with chipsetMediaTek Dimensity 6300, 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 A5 Pro 5G
  • Larger display: 6.67in
  • Higher refresh rate: 120Hz
  • Newer Bluetooth version: 5.3 vs 5
  • Includes charger
Reasons to choose Samsung Galaxy M21
  • Higher pixel density: 403ppi
  • Lighter design: 188g vs 194g
  • Higher battery capacity: 6000mAh vs 5800mAh
  • Supports Dolby Atmos

Versions

Available versions and configurations
Memory Options - 6/128 GB
- 8/256 GB
- 12/256 GB		 - 4/64 GB
- 6/128 GB

Review

Key Specs Oppo A5 Pro 5G 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.
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 A5 Pro 5G
vs
Samsung Galaxy M21

Display

Display quality comparison
Type IPS LCD Super AMOLED
Size 6.67 in 6.4 in
Resolution 720x1604 pixels 1080x2340 pixels
Aspect ratio 20:9 19.5:9
Pixel density 264 ppi 403 ppi
Refresh rate 120 Hz 60 Hz
Adaptive refresh rate Yes (60-120 Hz) No
Max brightness 1000 nits 630 nits
HDR support No No
Screen-to-body ratio 86.3 % 84.2 %
Features DCI-P3 Always-On Display
Display test
Peak brightness (auto)
Oppo A5 Pro 5G
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 164.82 mm (6.49 in) 159 mm (6.26 in)
Width 75.53 mm (2.97 in) 75.1 mm (2.96 in)
Thickness 7.76 mm (0.31 in) 8.9 mm (0.35 in)
Weight 194 g (6.84 oz) 188 g (6.63 oz)
Water resistance IP69 No
Back panel Plastic Plastic
Frame Plastic Plastic
Colors Purple - Black
- Blue
- Green
Fingerprint sensor Yes In-Button Yes rear
Screen-to-body ratio
Oppo A5 Pro 5G
86.3 %
Samsung Galaxy M21
84.2 %

Performance

Testing Oppo A5 Pro 5G and Samsung Galaxy M21 In benchmarks
Processor
Chipset MediaTek Dimensity 6300 Samsung Exynos 7 Octa 9611
Max Frequency 2200 MHz 2300 MHz
CPU Cores 8 (2 + 6) 8 (4 + 4)
Architecture - 6/2 (Cortex-A55)
- 2/2.4 (Cortex-A76)		 - 4/1.7 (Cortex-A53)
- 4/2.3 (Cortex-A73)
Process TSMC Samsung
Transistor Size 6 nm 10 nm
Neural Processor Yes Yes
Graphics Mali-G57 MP2 Mali-G72 MP3
GPU Cores 128 54
GPU Frequency 1072 MHz 850 MHz
FLOPS 274 GFLOPS 113.8 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Oppo A5 Pro 5G
790
Samsung Galaxy M21
514
Geekbench 6 (Multi-Core)
Oppo A5 Pro 5G
2010
Samsung Galaxy M21
1558
Geekbench 6 (Single-Core)790514
Geekbench 6 (Multi-Core)20101558
Geekbench Compute (GPU)1420n/a
Sources: Geekbench v6 [Oppo A5 Pro 5G]
AnTuTu 10
AnTuTu 10
Oppo A5 Pro 5G
425676
Samsung Galaxy M21
266455
CPU13751876468
GPU6380245756
Memory11064470269
UX11371273962
NanoReview Score425676266455
3DMark Wild Life
3DMark Wild Life
Oppo A5 Pro 5G
n/a
Samsung Galaxy M21
816
Max Surface Temp.n/a44.1 °C
Stabilityn/a73 %
Graphics Testn/a4 fps
Graphics Scoren/a816
Sources: 3DMark [Samsung Galaxy M21]

Memory

RAM
RAM Size - 6 GB
- 8 GB
- 12 GB		 - 4 GB
- 6 GB
Memory Type LPDDR4X LPDDR4X
Memory Frequency 2133 MHz 1866 MHz
Channels 2 2
Storage
Storage Capacity- 128 GB
- 256 GB		- 64 GB
- 128 GB
Storage TypeUFS 2.1UFS 2.1
Memory CardMicroSDMicroSD

Software

OS Android 15 Android 10.0 (Upgradeable to Android 12.0)
OS Size n/a 14.5 GB
UI Skin ColorOS 15 One Ui 4.1

Battery

Volume 5800 mAh 6000 mAh
Max Charging Power 45 W 15 W
Battery Type Li-Po Li-ion
Removable No No
Wireless Charging No No
Reverse Charging No No
Fast Charging Yes (50% in 35 min) Yes Samsung Adaptive Fast Charge (25% in 30 min)
Full Charge Time 1:30 h 2:35 h
Battery Life Test
Battery Life
Oppo A5 Pro 5G
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 50 MP 48 MP
Photo resolution 8192x6144 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 60 fps) Yes (Up to 30 fps)
Slow Motion 120 fps (720p) 240 fps (720p)
Wide-angle lens n/a 123 °
Lenses count Standard: 50 MP
Depth: 2 MP		 Standard: 48 MP
Ultra-wide: 8 MP
Depth: 5 MP
Features - Bokeh effect
- Pro mode		 - Bokeh effect
- Pro mode
Main lens
Matrix50 MP48 MP
Aperturef/1.8f/2.0
Focal lengthn/a26 mm
Sensorn/aSamsung S5KGM2
Sensor sizen/a1/2.0
Pixel sizen/a0.8 μm
AutofocusPhase autofocusPhase 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 8 MP 20 MP
Photo resolution 3264x2448 pixels 5184x3888 pixels
Aperture f/2.0 f/2.0
Focal length n/a 26 mm
Sensor CMOS CMOS
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		 - Dual Band
- Wi-Fi Direct
- Wi-Fi Hotspot
Bluetooth version 5.3 5
Bluetooth features LE PBAP/PAB, PAN, OPP, MAP, HSP, HID, HFP, DIP, AVRCP, 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* Yes Yes
Infrared Port No No
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoNo
Hybrid SlotNoNo
2G BandsGSM 850/900/1800/1900MHzGSM850, GSM900, DCS1800, PCS1900
3G BandsWCDMA 1/2/4/5/6/8/19B1 (2100), B2 (1900), B5(850), B8 (900)
LTE Bands*LTE (B1/B2/B3/B4/B5/B7/B8/B12/B13/B17/B18/B19/B20/B26/B28/B38/B39/B40/B41/B66)LTE (B1/B3/B5/B7/B8/B20/B38/B40/B41)
LTE category1812
5G SupportYesNo

Sound

Speakers Stereo Mono
3.5 mm Jack No Yes
FM Radio No Yes
Dolby Atmos No Yes
Speaker Test
Max Volume
Oppo A5 Pro 5G
n/a
Samsung Galaxy M21
83.8 dB

Other

Class Mid-range Mid-range
Announced February, 2025 yr March, 2020 yr
Release Date March, 2025 yr March, 2020 yr
Launch Price ($) 250 210
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 n/a
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

After analyzing the data, we consider Oppo A5 Pro 5G the clear winner in this comparison.

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