Home Phone comparison OnePlus 15 and Samsung Galaxy S26 Ultra - Which is better?

OnePlus 15 vs Samsung Galaxy S26 Ultra

91 out 100
OnePlus 15
VS
95 out 100
Samsung Galaxy S26 Ultra
OnePlus 15
Samsung Galaxy S26 Ultra

Compared 2 smartphones : OnePlus 15 Manufactured in October, 2025, with display 6.78 with chipsetQualcomm Snapdragon 8 Elite Gen 5, vs Samsung Galaxy S26 Ultra, Manufactured in March, 2026with 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 OnePlus 15
  • Higher refresh rate: 165Hz
  • Lighter design: 211g vs 214g
  • Higher battery capacity: 7300mAh vs 5000mAh
  • Infrared port
  • Includes charger
Reasons to choose Samsung Galaxy S26 Ultra
  • Larger display: 6.9in
  • Higher pixel density: 500ppi
  • Supports Dolby Atmos

Versions

Available versions and configurations
Memory Options - 12/256 GB
- 12/512 GB
- 16/256 GB
- 16/512 GB
- 16/1024 GB		 - 12/256 GB
- 12/512 GB
- 16/1024 GB

Review

Key Specs OnePlus 15 and Samsung Galaxy S26 Ultra
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:
OnePlus 15
vs
Galaxy S26 Ultra

Display

Display quality comparison
Type AMOLED Dynamic AMOLED
Size 6.78 in 6.9 in
Resolution 1272x2772 pixels 1440x3120 pixels
Aspect ratio 19.5:9 19.5:9
Pixel density 450 ppi 500 ppi
Refresh rate 165 Hz 120 Hz
Adaptive refresh rate Yes (1-120 Hz) Yes (1-120 Hz)
Max brightness 1800 nits 1500 nits
HDR support Yes, Dolby Vision Yes, HDR10+
Touch Sampling Rate n/a 240 Hz
Screen-to-body ratio 91.2 % 91.4 %
Features - DCI-P3
- Always-On Display
- DC dimming		 - DCI-P3
- Always-On Display
- DC dimming
Display test
Peak brightness (auto)
OnePlus 15
n/a
Samsung Galaxy S26 Ultra
2811 nits

Design & Build

Design and ergonomics comparison
Height 161.4 mm (6.35 in) 163.6 mm (6.44 in)
Width 76.7 mm (3.02 in) 78.1 mm (3.07 in)
Thickness 8.1 mm (0.32 in) 7.9 mm (0.31 in)
Weight 211 g (7.44 oz) 214 g (7.55 oz)
Water resistance IP69 IP68
Cooling system Vapor chamber Vapor chamber
Back panel Glass Glass
Frame Metal Metal
Colors - Black
- Gold
- Purple		 - White
- Black
- Silver
- Blue
- Pink
- Purple
Fingerprint sensor Yes, In-Display Yes, In-Display
Screen-to-body ratio
OnePlus 15
91.2 %
Samsung Galaxy S26 Ultra
91.4 %

Performance

Testing OnePlus 15 and Samsung Galaxy S26 Ultra In benchmarks
Processor
Chipset Qualcomm Snapdragon 8 Elite Gen 5 Qualcomm Snapdragon 8 Elite Gen 5
Max Frequency 4600 MHz 4740 MHz
CPU Cores 8 (2 + 6) 8 (2 + 6)
Architecture 6/3.63 () - 6/3.63 (Oryon Gen 3 Performance)
- 2/4.61 (Oryon Gen 3 Prime)
Process TSMC TSMC
Transistor Size 3 nm 3 nm
Neural Processor Hexagon Hexagon
Graphics Adreno 840 Adreno 840
GPU Cores 1536 1536
GPU Frequency 1200 MHz 1200 MHz
FLOPS 3686.4 GFLOPS 3686.4 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
OnePlus 15
3726
Samsung Galaxy S26 Ultra
3753
Geekbench 6 (Multi-Core)
OnePlus 15
11199
Samsung Galaxy S26 Ultra
11259
Geekbench 6 (Single-Core)37263753
Geekbench 6 (Multi-Core)1119911259
Geekbench Compute (GPU)2782928787
Sources: Geekbench v6 [OnePlus 15], [Samsung Galaxy S26 Ultra]
AnTuTu 10
AnTuTu 10
OnePlus 15
3434737
Samsung Galaxy S26 Ultra
3720219
CPU9689351094797
GPU12353071447696
Memory489823425113
UX740672752613
NanoReview Score34347373720219

Memory

RAM
RAM Size 12 GB 12 GB
Memory Type LPDDR5X LPDDR5X
Memory Frequency 5300 MHz n/a
Channels 4 4
Storage
Storage Capacity256 GB256 GB
Storage TypeUFS 4.1UFS 4.1
Memory CardNoNo

Software

OS Android 16 Android 16
UI Skin OxygenOS 16 One UI 8.5

Battery

Volume 7300 mAh 5000 mAh
Max Charging Power 120 W 60 W
Battery Type Silicon Carbon (Si/C) Li-ion
Removable No No
Wireless Charging Yes (50 W) Yes (25 W)
Reverse Charging Yes, (Wireless) Yes, (Wireless)
Fast Charging Yes (50% in 15 min) Yes (84% in 30 min)
Full Charge Time 0:43 h 0:43 h
Battery Life Test
Battery Life
OnePlus 15
n/a
Samsung Galaxy S26 Ultra
28:50
Web Browsingn/a10:12 h
Video Playbackn/a21:39 h
Gamesn/a06:42 h
Standby Moden/a130 h

Main camera

Matrix 50 MP 200 MP
Photo resolution 8192x6144 pixels 16320x12240 pixels
Zoom Optical, 3.5x 141
Flash Dual LED LED
Stabilization Optical Optical
8K Recording Yes (Up to 30 fps) Yes (Up to 30 fps)
4K Recording Yes (Up to 120 fps) Yes (Up to 120 fps)
1080p Recording Yes (Up to 60 fps) Yes (Up to 240 fps)
Slow Motion n/a 240 fps (1080p)
Wide-angle lens 116 ° 120 °
Lenses count Standard: 50 MP
Telephoto: 50 MP
Ultra-wide: 50 MP		 Standard: 200 MP
Telephoto: 50 MP
Telephoto: 10 MP
Ultra-wide: 50 MP
Features - Bokeh effect
- Pro mode
- RAW support		 - Bokeh effect
- Pro mode
- RAW support
Main lens
Matrix50 MP200 MP
Aperturef/1.8f/1.4
Focal length24 mm23 mm
SensorSony LYTIA-T808Samsung ISOCELL S5KHP2
Sensor size1/1.561/1.3 (0.77)
Pixel size1 μm0.6 μm
AutofocusPhase autofocusLaser autofocus
StabilizationOpticalOptical
Telephoto
Matrix50 MP50 MP
Aperturef/2.8f/2.9
Focal length85 mm111 mm
SensorSamsung S5KJN5Sony IMX854
Sensor size1/2.761/2.52 (0.4)
Pixel size0.64 μm0.7 μm
StabilizationOpticalOptical
Ultra-wide lens
Matrix50 MP50 MP
Aperturef/2.0f/1.9
Focal length15 mm13 mm
SensorSamsung S5KJN5Samsung ISOCELL S5KJN3
Sensor size1/2.761/2.5 (0.4)
Pixel size0.64 μm0.7 μm
StabilizationDigitalDigital
Main camera DxOMark results
Photo quality
OnePlus 15
n/a
Samsung Galaxy S26 Ultra
160
Video quality
OnePlus 15
n/a
Samsung Galaxy S26 Ultra
153
Overall camera score
OnePlus 15
n/a
Samsung Galaxy S26 Ultra
157
Bokehn/a165
Sources: DxOMark [Samsung Galaxy S26 Ultra]

Front camera

Matrix 32 MP 12 MP
Photo resolution 6560x4928 pixels 4000x3000 pixels
Aperture f/2.4 f/2.2
Focal length 21 mm 23 mm
Sensor Sony IMX615 Samsung ISOCELL S5K3LU
Sensor size 1/2.74 1/3.2 (0.31)
Pixel size 0.8 μm 1.12 μm
Autofocus Phase autofocus Phase autofocus (Dual Pixel)
Stabilization Digital Digital
Video resolution 2160p (4K) at 60 fps 2160p (4K) at 60 fps
TOF 3D sensor No No

Connectivity

Wi-Fi version Wi-Fi 7 (802.11 a/b/g/n/ac/ax/be) Wi-Fi 7 (802.11 a/b/g/n/ac/ax/be)
Wi-Fi features - Dual Band
- Wi-Fi MiMO
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display		 - Dual Band
- Wi-Fi MiMO
- Wi-Fi Direct
- Wi-Fi Hotspot
- Wi-Fi Display
Bluetooth version 6.0 6.0
Bluetooth features LE LE
USB type USB Type-C USB Type-C
USB version 3.2 3.2
USB features - Charging
- USB Storage Mode
- OTG		 - Charging
- USB Storage Mode
- OTG
DisplayPort Yes Yes
GPS - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
- NAVIC		 - GPS
- GLONASS
- Beidou
- Galileo
- QZSS
NFC* Yes Yes
Infrared Port Yes No
Connectivity
SIM Count*21
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *YesYes
Hybrid SlotNoNo
2G Bandsn/aGSM850, GSM900, DCS1800, PCS1900
3G Bandsn/aUMTS B1(2100), B2(1900), B4(AWS), B5(850), B8(900)
LTE Bands*n/aLTE (B1/B2/B3/B4/B5/B7/B8/B12/B13/B14/B18/B19/B20/B25/B26/B28/B29/B30/B38/B39/B40/B41/B48/B66/B71)
5G SupportYesYes

Sound

3.5 mm Jack No No
FM Radio No No
Dolby Atmos No Yes

Other

Class Flagship Flagship
Announced October, 2025 yr February, 2026 yr
Release Date October, 2025 yr March, 2026 yr
MSRP ($) 899 1299
Sensors - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor		 - Hall Sensor
- Barometer
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included Yes, 120 W No
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

No clear favorite identified yet; updates may follow as new data arrives.

Survey

Which smartphone would you pick?
14 (87.5%)
2 (12.5%)
Total Votes: 16

User comments

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