Home Phone comparison Samsung Galaxy S8 Plus and OnePlus 15 - Which is better?

Samsung Galaxy S8 Plus vs OnePlus 15

44 out 100
Samsung Galaxy S8 Plus
VS
91 out 100
OnePlus 15
Samsung Galaxy S8 Plus
OnePlus 15

Compared 2 smartphones : Samsung Galaxy S8 Plus Manufactured in April, 2017, with display 6.2 with chipsetSamsung Exynos 9 Octa 8895, vs OnePlus 15, Manufactured in October, 2025 with chipsetQualcomm Snapdragon 8 Elite 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 S8 Plus
  • Higher pixel density: 529ppi
  • Lighter design: 173g vs 211g
  • Supports Dolby Atmos
Reasons to choose OnePlus 15
  • Larger display: 6.78in
  • Higher refresh rate: 165Hz
  • Higher battery capacity: 7300mAh vs 3500mAh
  • Newer Bluetooth version: 6.0 vs 5
  • Supports newer USB: 3.2 vs 3.1
  • Supports DisplayPort
  • Infrared port
  • Built-in eSIM
  • Includes charger

Versions

Available versions and configurations
Memory Options - 4/64 GB
- 6/128 GB		 - 12/256 GB
- 12/512 GB
- 16/256 GB
- 16/512 GB
- 16/1024 GB

Review

Key Specs Samsung Galaxy S8 Plus and OnePlus 15
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 S8 Plus
vs
OnePlus 15

Display

Display quality comparison
Type Super AMOLED AMOLED
Size 6.2 in 6.78 in
Resolution 1440x2960 pixels 1272x2772 pixels
Aspect ratio 18.5:9 19.5:9
Pixel density 529 ppi 450 ppi
Refresh rate 60 Hz 165 Hz
Adaptive refresh rate No Yes (1-120 Hz)
Max brightness 580 nits 1800 nits
HDR support Yes HDR10 Yes, Dolby Vision
Screen-to-body ratio 83.3 % 91.2 %
Features Always-On Display - DCI-P3
- Always-On Display
- DC dimming
Display test
Peak brightness (auto)
Samsung Galaxy S8 Plus
642 nits
OnePlus 15
n/a
sRGB gamut99.8 %n/a
PWM (Flicker)250 Hzn/a
Response time4.4 msn/a
Contrast∞ Infiniten/a
Sources: NotebookCheck [Samsung Galaxy S8 Plus]

Design & Build

Design and ergonomics comparison
Height 159.5 mm (6.28 in) 161.4 mm (6.35 in)
Width 73.4 mm (2.89 in) 76.7 mm (3.02 in)
Thickness 8.1 mm (0.32 in) 8.1 mm (0.32 in)
Weight 173 g (6.1 oz) 211 g (7.44 oz)
Water resistance IP68 IP69
Cooling system n/a Vapor chamber
Back panel Glass Glass
Frame Metal Metal
Colors - Black
- Gold
- Gray		 - Black
- Gold
- Purple
Fingerprint sensor Yes rear Yes, In-Display
Screen-to-body ratio
Samsung Galaxy S8 Plus
83.3 %
OnePlus 15
91.2 %

Performance

Testing Samsung Galaxy S8 Plus and OnePlus 15 In benchmarks
Processor
Chipset Samsung Exynos 9 Octa 8895 Qualcomm Snapdragon 8 Elite Gen 5
Max Frequency 2300 MHz 4600 MHz
CPU Cores 8 (4 + 4) 8 (2 + 6)
Architecture - 4/1.69 (Cortex-A53)
- 4/2.314 (Exynos M2)		 6/3.63 ()
Process Samsung TSMC
Transistor Size 10 nm 3 nm
Neural Processor No Hexagon
Graphics Mali-G71 MP20 Adreno 840
GPU Cores 320 1536
GPU Frequency 546 MHz 1200 MHz
FLOPS 375 GFLOPS 3686.4 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Samsung Galaxy S8 Plus
n/a
OnePlus 15
3726
Geekbench 6 (Multi-Core)
Samsung Galaxy S8 Plus
n/a
OnePlus 15
11199
Geekbench 6 (Single-Core)n/a3726
Geekbench 6 (Multi-Core)n/a11199
Geekbench Compute (GPU)n/a27829
Sources: Geekbench v6 [OnePlus 15]
AnTuTu 10
AnTuTu 10
Samsung Galaxy S8 Plus
346771
OnePlus 15
3434737
CPU104827968935
GPU1161711235307
Memory63736489823
UX62037740672
NanoReview Score3467713434737

Memory

RAM
RAM Size - 4 GB
- 6 GB		 12 GB
Memory Type LPDDR4X LPDDR5X
Memory Frequency 1794 MHz 5300 MHz
Channels 2 4
Storage
Storage Capacity- 64 GB
- 128 GB		256 GB
Storage TypeUFS 2.1UFS 4.1
Memory CardMicroSDNo

Software

OS Android 7.0 (Upgradeable to Android 9.0) Android 16
OS Size 11.7 GB n/a
UI Skin One UI OxygenOS 16

Battery

Volume 3500 mAh 7300 mAh
Max Charging Power 15 W 120 W
Battery Type Li-ion Silicon Carbon (Si/C)
Removable No No
Wireless Charging Yes Qi/PMA Yes (50 W)
Reverse Charging No Yes, (Wireless)
Fast Charging Yes Samsung Adaptive Fast Charge (60% in 45 min) Yes (50% in 15 min)
Full Charge Time 1:55 h 0:43 h
Battery Life Test
Battery Life
Samsung Galaxy S8 Plus
17:41
OnePlus 15
n/a
Web Browsing07:10 hn/a
Video Playback10:52 hn/a
Games04:35 hn/a
Standby Mode83 hn/a

Main camera

Matrix 12 MP 50 MP
Photo resolution 4000x3000 pixels 8192x6144 pixels
Zoom Digital Optical, 3.5x
Flash Dual LED Dual LED
Stabilization Optical Optical
8K Recording No Yes (Up to 30 fps)
4K Recording Yes (Up to 30 fps) Yes (Up to 120 fps)
1080p Recording Yes (Up to 60 fps) Yes (Up to 60 fps)
Slow Motion 240 fps (720p) n/a
Wide-angle lens n/a 116 °
Lenses count Standard: 12 MP Standard: 50 MP
Telephoto: 50 MP
Ultra-wide: 50 MP
Features Pro mode - Bokeh effect
- Pro mode
- RAW support
Main lens
Matrix12 MP50 MP
Aperturef/1.7f/1.8
Focal length26 mm24 mm
SensorSamsung S5K2L2Sony LYTIA-T808
Sensor size1/2.61/1.56
Pixel size1.4 μm1 μm
AutofocusPhase autofocusPhase autofocus
StabilizationOpticalOptical
Telephoto
Matrixn/a50 MP
Aperturen/af/2.8
Focal lengthn/a85 mm
Sensorn/aSamsung S5KJN5
Sensor sizen/a1/2.76
Pixel sizen/a0.64 μm
Stabilizationn/aOptical
Ultra-wide lens
Matrixn/a50 MP
Aperturen/af/2.0
Focal lengthn/a15 mm
Sensorn/aSamsung S5KJN5
Sensor sizen/a1/2.76
Pixel sizen/a0.64 μm
Stabilizationn/aDigital
Main camera DxOMark results
Photo quality
Samsung Galaxy S8 Plus
88
OnePlus 15
n/a
Video quality
Samsung Galaxy S8 Plus
88
OnePlus 15
n/a
Overall camera score
Samsung Galaxy S8 Plus
88
OnePlus 15
n/a

Front camera

Matrix 8 MP 32 MP
Photo resolution 3264x2448 pixels 6560x4928 pixels
Aperture f/1.7 f/2.4
Focal length 25 mm 21 mm
Sensor CMOS Sony IMX615
Sensor size 1/3.6 1/2.74
Pixel size 1.22 μm 0.8 μm
Autofocus Phase autofocus Phase autofocus
Stabilization Digital Digital
Video resolution 1440p at 30 fps 2160p (4K) at 60 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, LE, HSP, HID, HFP, DIP, AVRCP, A2DP LE
USB type USB Type-C USB Type-C
USB version 3.1 3.2
USB features - Charging
- USB Storage Mode
- OTG		 - Charging
- USB Storage Mode
- OTG
DisplayPort n/a Yes
GPS - GPS
- GLONASS
- Beidou
- Galileo		 - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
- NAVIC
NFC* Yes Yes
Infrared Port No Yes
Connectivity
SIM Count*22
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *NoYes
Hybrid SlotYesNo
2G BandsGSM 850, GSM 900, GSM 1800, GSM 1900n/a
3G BandsHSDPA 850, HSDPA 900, HSDPA 1900, HSDPA 2100n/a
LTE Bands*LTE (B700/B800/B850/B900/B1700/B1800/B1900/B2100/B2300/B2500/B2600)n/a
LTE category16n/a
5G SupportNoYes

Sound

Speakers Mono n/a
3.5 mm Jack Yes No
FM Radio No No
Dolby Atmos Yes No
Speaker Test
Max Volume
Samsung Galaxy S8 Plus
83 dB
OnePlus 15
n/a

Other

Class Flagship Flagship
Announced March, 2017 yr October, 2025 yr
Release Date April, 2017 yr October, 2025 yr
Launch Price ($) 850 n/a
MSRP ($) n/a 899
Sensors - Barometer
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor		 - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included n/a Yes, 120 W
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

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

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