Home Phone comparison Samsung Galaxy A31 and OnePlus 15R - Which is better?

Samsung Galaxy A31 vs OnePlus 15R

43 out 100
Samsung Galaxy A31
VS
90 out 100
OnePlus 15R
Samsung Galaxy A31
OnePlus 15R

Compared 2 smartphones : Samsung Galaxy A31 Manufactured in April, 2020, with display 6.4 with chipsetMediatek Helio P65, vs OnePlus 15R, Manufactured in January, 2025 with chipsetQualcomm Snapdragon 8 Gen 5. 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 Samsung Galaxy A31
  • Lighter design: 185g vs 214g
  • Supports Dolby Atmos
Reasons to choose OnePlus 15R
  • Larger display: 6.83in
  • Higher pixel density: 450ppi
  • Higher refresh rate: 165Hz
  • Higher battery capacity: 7400mAh vs 5000mAh
  • Newer Bluetooth version: 6.0 vs 5
  • Infrared port

Versions

Available versions and configurations
Memory Options - 4/64 GB
- 4/128 GB
- 6/128 GB
- 8/128 GB		 - 12/256 GB
- 12/512 GB

Review

Key Specs Samsung Galaxy A31 and OnePlus 15R
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:
Samsung Galaxy A31
vs
OnePlus 15R

Display

Display quality comparison
Type Super AMOLED AMOLED
Size 6.4 in 6.83 in
Resolution 1080x2400 pixels 1272x2800 pixels
Aspect ratio 20:9 19.5:9
Pixel density 411 ppi 450 ppi
Refresh rate 60 Hz 165 Hz
Adaptive refresh rate No Yes (60-120 Hz)
Max brightness 600 nits 1800 nits
HDR support No Yes, Dolby Vision
Touch Sampling Rate n/a 300 Hz
Screen-to-body ratio 84.9 % 91 %
Features Always-On Display - DCI-P3
- Always-On Display
- DC dimming
Display test
Peak brightness (auto)
Samsung Galaxy A31
629 nits
OnePlus 15R
n/a
sRGB gamut96.8 %n/a
PWM (Flicker)238 Hzn/a
Response time8 msn/a
Contrast∞ Infiniten/a
Sources: NotebookCheck [Samsung Galaxy A31]

Design & Build

Design and ergonomics comparison
Height 159.3 mm (6.27 in) 163.41 mm (6.43 in)
Width 73.1 mm (2.88 in) 77.04 mm (3.03 in)
Thickness 8.6 mm (0.34 in) 8.3 mm (0.33 in)
Weight 185 g (6.53 oz) 214 g (7.55 oz)
Water resistance No IP69
Cooling system n/a Vapor chamber
Back panel Plastic Glass
Frame Plastic Metal
Colors - White
- Black
- Blue
- Red		 - Black
- Green
- Purple
Fingerprint sensor Yes In-Display Yes, In-Display
Screen-to-body ratio
Samsung Galaxy A31
84.9 %
OnePlus 15R
91 %

Performance

Testing Samsung Galaxy A31 and OnePlus 15R In benchmarks
Processor
Chipset Mediatek Helio P65 Qualcomm Snapdragon 8 Gen 5
Max Frequency 2000 MHz 3840 MHz
CPU Cores 8 (2 + 6) 8 (2 + 6)
Architecture - 6/1.7 (Cortex-A55)
- 2/2 (Cortex-A75)		 6/3.32 ()
Process TSMC TSMC
Transistor Size 12 nm 3 nm
Neural Processor Yes Hexagon
Graphics Mali-G52 MP2 Adreno 829
GPU Cores 48 1024
GPU Frequency 820 MHz 1200 MHz
FLOPS 78.7 GFLOPS 2457.6 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Samsung Galaxy A31
509
OnePlus 15R
2847
Geekbench 6 (Multi-Core)
Samsung Galaxy A31
1553
OnePlus 15R
9422
Geekbench 6 (Single-Core)5092847
Geekbench 6 (Multi-Core)15539422
Geekbench Compute (GPU)n/a20796
Sources: Geekbench v6 [OnePlus 15R]
AnTuTu 10
AnTuTu 10
Samsung Galaxy A31
197929
OnePlus 15R
2969231
CPU74327954408
GPU24218939113
Memory45491385833
UX53893689877
NanoReview Score1979292969231
3DMark Wild Life
3DMark Wild Life
Samsung Galaxy A31
572
OnePlus 15R
n/a
Max Surface Temp.45.2 °Cn/a
Stability97 %n/a
Graphics Test3 fpsn/a
Graphics Score572n/a
Sources: 3DMark [Samsung Galaxy A31]
PCMark 3.0
PCMark 3.0
Samsung Galaxy A31
5615
OnePlus 15R
n/a
Writing score5825n/a
Web score4447n/a
Video editing4920n/a
Data manipulation4420n/a
NanoReview Score5615n/a

Memory

RAM
RAM Size 4 GB 12 GB
Memory Type LPDDR4X LPDDR5X
Memory Frequency 1866 MHz 5300 MHz
Channels 2 4
Storage
Storage Capacity- 64 GB
- 128 GB		256 GB
Storage TypeeMMC 5.1UFS 4.1
Memory CardMicroSDNo

Software

OS Android 10 (Upgradeable to Android 12) Android 16
OS Size 27 GB n/a
UI Skin One UI 4.1 OxygenOS 16

Battery

Volume 5000 mAh 7400 mAh
Max Charging Power 15 W 80 W
Battery Type Li-ion Silicon Carbon (Si/C)
Removable No No
Wireless Charging No No
Reverse Charging No Yes
Fast Charging Yes Samsung Adaptive Fast Charge (50% in 60 min) Yes (60% in 20 min)
Full Charge Time 2:25 h n/a
Battery Life Test
Battery Life
Samsung Galaxy A31
25:27
OnePlus 15R
n/a
Web Browsing10:26 hn/a
Video Playback14:36 hn/a
Games05:44 hn/a
Standby Mode126 hn/a

Main camera

Matrix 48 MP 50 MP
Photo resolution 8000x6000 pixels 8192x6144 pixels
Zoom Digital Digital
Flash LED Dual LED
Stabilization Digital Optical
8K Recording No No
4K Recording No Yes (Up to 120 fps)
1080p Recording Yes (Up to 30 fps) Yes (Up to 60 fps)
Slow Motion No 240 fps (1080p)
Wide-angle lens 123 ° 112 °
Lenses count Standard: 48 MP
Ultra-wide: 8 MP
Macro: 5 MP
Depth: 5 MP		 Standard: 50 MP
Ultra-wide: 8 MP
Features - Bokeh effect
- Pro mode		 - Bokeh effect
- Pro mode
- RAW support
Main lens
Matrix48 MP50 MP
Aperturef/2.0f/1.8
Focal length26 mm24 mm
SensorSamsung S5KGM2Sony IMX906
Sensor size1/2.01/1.56 (0.64)
Pixel size0.8 μm1 μm
AutofocusPhase autofocusPhase autofocus
StabilizationDigitalOptical
Ultra-wide lens
Matrix8 MP8 MP
Aperturef/2.2f/2.2
Focal length13 mm16 mm
Sensorn/aOmnivision OV08D10
Sensor size1/4.01/4.0 (0.25)
Pixel size1.12 μm1.12 μm
StabilizationDigitalDigital

Front camera

Matrix 20 MP 32 MP
Photo resolution 5963x3354 pixels n/a
Aperture f/2.2 f/2.0
Sensor CMOS CMOS
Autofocus No n/a
Stabilization Digital Optical
Video resolution 1080p (Full HD) at 30 fps 2160p (4K) at 30 fps
TOF 3D sensor No No

Connectivity

Wi-Fi version Wi-Fi 5 (802.11 a/b/g/n/ac) Wi-Fi 7 (802.11 a/b/g/n/ac/ax/be)
Wi-Fi features - Dual Band
- Wi-Fi Direct
- Wi-Fi Hotspot		 - Dual Band
- Wi-Fi MiMO
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 5 6.0
Bluetooth features PBAP/PAB, PAN, OPP, MAP, HSP, HID, HFP, DIP, AVRCP, A2DP LE
USB type USB Type-C 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
- QZSS
NFC* Yes Yes
Infrared Port No Yes
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoNo
Hybrid SlotNoNo
2G BandsGSM850, GSM900, DCS1800, PCS1900GSM 850/900/1800/1900MHz
3G BandsB1 (2100), B2 (1900), B5(850), B8 (900)WCDMA 1/2/4/5/6/8/19
LTE Bands*LTE (B1/B2/B3/B5/B7/B8/B20/B38/B40/B41)LTE (B1/B2/B3/B4/B5/B7/B8/B12/B13/B17/B18/B19/B20/B25/B26/B28/B30/B32/B34/B38/B39/B40/B41/B42/B48/B66/B71)
LTE category12n/a
5G SupportNoYes

Sound

Speakers Mono n/a
3.5 mm Jack Yes No
FM Radio Yes No
Dolby Atmos Yes No
Speaker Test
Max Volume
Samsung Galaxy A31
78.5 dB
OnePlus 15R
n/a

Other

Class Mid-range Flagship
Announced March, 2020 yr December, 2025 yr
Release Date April, 2020 yr January, 2025 yr
Launch Price ($) 210 n/a
MSRP ($) n/a 699
Sensors - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor		 - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included n/a No
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

After analyzing the data, we consider OnePlus 15R the clear winner in this comparison.

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