Home Phone comparison OnePlus 13R and Samsung Galaxy A21s - Which is better?

OnePlus 13R vs Samsung Galaxy A21s

86 out 100
OnePlus 13R
VS
39 out 100
Samsung Galaxy A21s
OnePlus 13R
Samsung Galaxy A21s

Compared 2 smartphones : OnePlus 13R Manufactured in January, 2025, with display 6.78 with chipsetQualcomm Snapdragon 8 Gen 3, vs Samsung Galaxy A21s, Manufactured in June, 2020 with chipsetSamsung Exynos 850. 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 OnePlus 13R
  • Larger display: 6.78in
  • Higher pixel density: 450ppi
  • Higher refresh rate: 120Hz
  • Higher battery capacity: 6000mAh vs 5000mAh
  • Newer Bluetooth version: 5.4 vs 5
  • Infrared port
  • Built-in eSIM
Reasons to choose Samsung Galaxy A21s
  • Lighter design: 192g vs 206g

Versions

Available versions and configurations
Memory Options - 12/256 GB
- 16/512 GB		 - 2/32 GB
- 3/32 GB
- 3/64 GB
- 3/128 GB
- 4/32 GB
- 4/64 GB
- 4/128 GB
- 6/64 GB
- 6/128 GB

Review

Key Specs OnePlus 13R and Samsung Galaxy A21s
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:
OnePlus 13R
vs
Samsung Galaxy A21s

Display

Display quality comparison
Type AMOLED PLS TFT
Size 6.78 in 6.5 in
Resolution 1264x2780 pixels 720x1600 pixels
Aspect ratio 19.8:9 20:9
Pixel density 450 ppi 270 ppi
Refresh rate 120 Hz 60 Hz
Adaptive refresh rate Yes (1-120 Hz) No
Max brightness 1600 nits 540 nits
HDR support Yes Dolby Vision No
Touch Sampling Rate 240 Hz n/a
Screen-to-body ratio 91.2 % 82.9 %
Features - DCI-P3
- Always-On Display
- DC dimming		 n/a
Display test
Peak brightness (auto)
OnePlus 13R
1222 nits
Samsung Galaxy A21s
487 nits
sRGB gamut99.6 %88.4 %
PWM (Flicker)90 Hz500 Hz
Response time2 ms30.4 ms
Contrast∞ Infinite1500:1
Sources: NotebookCheck [OnePlus 13R], [Samsung Galaxy A21s]

Design & Build

Design and ergonomics comparison
Height 161.72 mm (6.37 in) 163.6 mm (6.44 in)
Width 75.77 mm (2.98 in) 75.3 mm (2.96 in)
Thickness 8.02 mm (0.32 in) 8.9 mm (0.35 in)
Weight 206 g (7.27 oz) 192 g (6.77 oz)
Water resistance IP65 No
Cooling system Vapor chamber n/a
Back panel Glass Plastic
Frame Metal Plastic
Colors - Black
- Gray		 - Black
- Blue
- Red
Fingerprint sensor Yes In-Display Yes rear
Screen-to-body ratio
OnePlus 13R
91.2 %
Samsung Galaxy A21s
82.9 %

Performance

Testing OnePlus 13R and Samsung Galaxy A21s In benchmarks
Processor
Chipset Qualcomm Snapdragon 8 Gen 3 Samsung Exynos 850
Max Frequency 3300 MHz 2000 MHz
CPU Cores 8 (1 + 3 + 2 + 2) 8 (8)
Architecture - 2/2.27 (Cortex-A520)
- 2/2.96 (Cortex-A720)
- 3/3.15 (Cortex-A720)
- 1/3.3 (Cortex-X4)		 8/2 (Cortex-A55)
Process TSMC Samsung
Transistor Size 4 nm 8 nm
Neural Processor Hexagon No
Graphics Adreno 750 Mali-G52 MP1
GPU Cores 1536 24
GPU Frequency 903 MHz 850 MHz
FLOPS 2774 GFLOPS 40.8 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
OnePlus 13R
2217
Samsung Galaxy A21s
484
Geekbench 6 (Multi-Core)
OnePlus 13R
6564
Samsung Galaxy A21s
1523
Geekbench 6 (Single-Core)2217484
Geekbench 6 (Multi-Core)65641523
Geekbench Compute (GPU)16259n/a
Sources: Geekbench v6 [OnePlus 13R]
AnTuTu 10
AnTuTu 10
OnePlus 13R
2020393
Samsung Galaxy A21s
191375
CPU40461068748
GPU88608126807
Memory39753859210
UX33216436610
NanoReview Score2020393191375
3DMark Wild Life
3DMark Wild Life
OnePlus 13R
n/a
Samsung Galaxy A21s
425
Max Surface Temp.n/a43.2 °C
Stabilityn/a98 %
Graphics Testn/a2 fps
Graphics Scoren/a425
Sources: 3DMark [Samsung Galaxy A21s]
PCMark 3.0
PCMark 3.0
OnePlus 13R
n/a
Samsung Galaxy A21s
5429
Writing scoren/a5426
Web scoren/a4708
Video editingn/a5145
Data manipulationn/a3808
NanoReview Scoren/a5429

Memory

RAM
RAM Size - 12 GB
- 16 GB		 - 3 GB
- 4 GB
Memory Type LPDDR5X LPDDR4X
Memory Frequency 4800 MHz 1866 MHz
Channels 4 2
Storage
Storage Capacity- 256 GB
- 512 GB		- 32 GB
- 64 GB
Storage TypeUFS 4.0eMMC 5.1
Memory CardNoMicroSD

Software

OS Android 15 Android 10 (Upgradeable to Android 12)
OS Size 37 GB 12 GB
UI Skin OxygenOS 15 One UI 4.1

Battery

Volume 6000 mAh 5000 mAh
Max Charging Power 80 W 15 W
Battery Type Silicon Carbon (Si/C) Li-Po
Removable No No
Wireless Charging No No
Reverse Charging No No
Fast Charging Yes (73% in 30 min) Yes (50% in 60 min)
Full Charge Time 0:48 h 2:10 h
Battery Life Test
Battery Life
OnePlus 13R
28:50
Samsung Galaxy A21s
25:00
Web Browsing13:49 h09:45 h
Video Playback21:40 h14:13 h
Games06:35 h05:34 h
Standby Mode100 h128 h

Main camera

Matrix 50 MP 48 MP
Photo resolution 8192x6144 pixels 8000x6000 pixels
Zoom Optical, 2x Digital
Flash LED LED
Stabilization Optical Digital
8K Recording No No
4K Recording Yes (Up to 60 fps) No
1080p Recording Yes (Up to 60 fps) Yes (Up to 30 fps)
Slow Motion 480 fps (720p) No
Wide-angle lens 112 ° 123 °
Lenses count Standard: 50 MP
Ultra-wide: 8 MP
Telephoto: 50 MP		 Standard: 48 MP
Ultra-wide: 8 MP
Macro: 2 MP
Depth: 2 MP
Features - Bokeh effect
- Pro mode		 Bokeh effect
Main lens
Matrix50 MP48 MP
Aperturef/1.8f/2.0
Focal length24 mm26 mm
SensorSony LYT-700 (IMX 906)Samsung S5KGM2
Sensor size1/1.561/2.0
Pixel size1 μm0.8 μm
AutofocusPhase autofocusPhase autofocus
StabilizationOpticalDigital
Telephoto
Matrix50 MPn/a
Aperturef/1.8n/a
Focal length47 mmn/a
SensorSamsung S5KJN5n/a
Sensor size1/2.76n/a
Pixel size0.64 μmn/a
StabilizationDigitaln/a
Ultra-wide lens
Matrix8 MP8 MP
Aperturef/2.2f/2.2
Focal length16 mmn/a
SensorSony IMX355n/a
Sensor size1/4.01/4.0
Pixel size1.12 μm1.12 μm
StabilizationDigitalDigital

Front camera

Matrix 16 MP 13 MP
Photo resolution 4608x3456 pixels 4128x3096 pixels
Aperture f/2.4 f/2.2
Focal length 24 mm n/a
Sensor Samsung S5K3P9 CMOS
Sensor size 1/3.0 1/3.1
Pixel size 1 μm 1.12 μm
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 7 (802.11 a/b/g/n/ac/ax/be) Wi-Fi 5 (802.11 a/b/g/n/ac)
Wi-Fi features - Dual Band
- Wi-Fi MiMO
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display		 - Dual Band
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 5.4 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
- Galileo
- QZSS		 - GPS
- GLONASS
- Beidou
- Galileo
NFC* Yes Yes
Infrared Port Yes No
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *YesNo
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/B25/B26/B28/B30/B32/B66/B71)LTE (B1/B2/B3/B5/B7/B8/B20/B28)
LTE categoryn/a13
5G SupportYesNo

Sound

Speakers Stereo Mono
3.5 mm Jack No Yes
FM Radio No Yes
Dolby Atmos Yes Yes
Speaker Test
Max Volume
OnePlus 13R
90 dB
Samsung Galaxy A21s
79.5 dB

Other

Class Flagship Budget
Announced January, 2025 yr May, 2020 yr
Release Date January, 2025 yr June, 2020 yr
Launch Price ($) 599 200
Sensors - Hall Sensor
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor		 - Hall Sensor
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included No n/a

Note

OnePlus 13R:

This is the global version of the OnePlus Ace 5 smartphone.

* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

After analyzing the data, we consider OnePlus 13R the clear winner in this comparison.

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