Home > Smartphone comparison > Galaxy S26 (Exynos) vs OnePlus 15 – which one to choose?

Samsung Galaxy S26 (Exynos) vs OnePlus 15

85 out of 100
Samsung Galaxy S26 (Exynos)
VS
93 out of 100
OnePlus 15
Samsung Galaxy S26 (Exynos)
OnePlus 15

Here we compared two flagship smartphones: the 6.3-inch Samsung Galaxy S26 (Exynos) (with Exynos 2600) that was released on February 25, 2026, against the OnePlus 15, which is powered by Qualcomm Snapdragon 8 Elite Gen 5 and came out 4 months before. On this page, you will find tests, full specs, strengths, and weaknesses of each of the devices.

Select the amount of RAM to evaluate performance and value for money more precisely
Memory
  1. Differences
  2. Review
  3. Specs
  4. Benchmarks
  5. Battery life
  6. Camera
  7. Comments

Key differences

An overview of the main advantages of each smartphone
Reasons to consider the Samsung Galaxy S26 (Exynos)
  • CPU with a higher amount of cores (+2)
  • Supports Dolby Atmos sound technology
  • Weighs 44 grams less
Reasons to consider the OnePlus 15
  • Comes with 3000 mAh larger battery capacity: 7300 vs 4300 mAh
  • Shows 56% longer battery life (39:14 vs 25:13 hours)
  • Higher display refresh rate – 165 Hz
  • Supports higher wattage charging (120W versus 25W)
  • Delivers 33% higher peak brightness (3381 against 2539 nits)
  • Newer Bluetooth version (v6.0)
  • The rear camera has a 3.5x optical zoom
  • Waterproof body (IP69 classification)
  • Has a 0.48 inch larger screen size
  • 27% better performance in AnTuTu Benchmark (4008K versus 3161K)
  • Slow-motion recording at 480FPS
  • Has a built-in infrared port

Review

Evaluation of Samsung Galaxy S26 (Exynos) and OnePlus 15 crucial features
Display
Screen quality, color accuracy, brightness
Camera
Photo and video recording quality
Performance
CPU and memory performance (apps, system)
Gaming
Capabilities for playing modern games
Battery
Battery life, charging type and speed
Connectivity
Networks, ports, data transmission
Scores with a red asterisk (*) are approximate and may change in the future as we gather more data.
NanoReview Score
Final comparison evaluation
Select your primary usage scenario to get a more accurate NanoReview Score
📱 Primary usage:

Value for money (Beta)

To get an accurate value-for-money index, update the default prices with actual prices from your country’s retailers (for the selected memory configs) and press the "Calculate" button.
Currency
12 / 256 GB
VS
12 / 256 GB
47.6
(Average)
Value Index
66.9
(Good)

Tests and specifications

Comparison table of technical specifications and tests
Phone:
Galaxy S26 (Exynos)
vs
OnePlus 15

Display

Type Dynamic AMOLED AMOLED
Size 6.3 inches 6.78 inches
Resolution 1080 x 2340 pixels 1272 x 2772 pixels
Aspect ratio 19.5:9 19.5:9
PPI 411 ppi 450 ppi
Refresh rate 120 Hz 165 Hz
Adaptive refresh rate Yes (1-120 Hz) Yes (1-120 Hz)
Max rated brightness 1500 nits 1800 nits
Max rated brightness in HDR 2600 nits 6000 nits
HDR support Yes, HDR10+ Yes, Dolby Vision
Touch sampling rate 240 Hz 330 Hz
Screen protection Gorilla Glass Victus 2 Gorilla Glass Victus 2
Screen-to-body ratio 90.9% 91.2%
Display features - DCI-P3
- Always-On Display		 - DCI-P3
- Always-On Display
- DC Dimming
Display tests
RGB color space 100% 99.9%
PWM 240 Hz 120 Hz
Response time 1 ms 3 ms
Contrast ∞ Infinity ∞ Infinity
Screen space comparison
OnePlus 15
6.78″ (19.5:9 ratio) = 17.5 in2
Galaxy S26 (Exynos)
6.3″ (19.5:9 ratio) = 15.1 in2
~15% more screen space
Peak brightness test (auto)
Galaxy S26 (Exynos)
2539 nits
OnePlus 15 +33%
3381 nits
Sources: NotebookCheck [3], [4]

Design and build

Height 149.6 mm (5.89 inches) 161.42 mm (6.36 inches)
Width 71.7 mm (2.82 inches) 76.67 mm (3.02 inches)
Thickness 7.2 mm (0.28 inches) 8.1 mm (0.32 inches)
Weight 167 g (5.89 oz) 211 g (7.44 oz)
Waterproof IP68 IP69
Advanced cooling Vapor chamber Vapor chamber
Rear material Glass Glass
Frame material Metal Metal
Colors White, Black, Silver, Blue, Pink, Purple Black, Gold, Purple
Fingerprint scanner Yes, in-display Yes, in-display
Repairability Good (3.01/5) Good (3.69/5)
Drop resistance Excellent (A) · 270 drops Good (C) · 90 drops
Screen-to-body ratio

Performance

Chipset specifications of Samsung Galaxy S26 (Exynos) and OnePlus 15
SoC
Chipset Samsung Exynos 2600 Qualcomm Snapdragon 8 Elite Gen 5
Max clock 3800 MHz 4600 MHz
CPU cores 10 (1 + 3 + 6) 8 (2 + 6)
Architecture - 6 cores at 2.75 GHz: C1-Pro
- 3 cores at 3.25 GHz: C1-Pro
- 1 core at 3.8 GHz: C1-Ultra		 - 6 cores at 3.63 GHz: Oryon Gen 3 Performance
- 2 cores at 4.74 GHz: Oryon Gen 3 Prime
L3 cache 16 MB 8 MB
Manufacturing Samsung TSMC
Lithography process 2 nanometers 3 nanometers
Neural processor (NPU) AI engine with 32K MAC NPU Hexagon
GPU
Graphics Xclipse 960 Adreno 840
GPU shading units 1792 1536
GPU clock 980 MHz 1300 MHz
FLOPS ~7024.6 GFLOPS ~3993.6 GFLOPS

Benchmarks

Benchmark comparison of Samsung Galaxy S26 (Exynos) and OnePlus 15
Geekbench 6 (Single-Core)
Geekbench 6 (Multi-Core)
Compute Score (GPU)
Galaxy S26 (Exynos) +11%
27264
OnePlus 15
24461
Compute Score (GPU) 27264 24461
Single-core score 3271 3607
Multi-core score 11051 10732
Sources: Geekbench [3], [4]
AnTuTu Benchmark 11
Galaxy S26 (Exynos)
3161830
OnePlus 15 +27%
4008294
CPU 1060612 1184036
GPU 1200578 1490867
Memory 409429 402813
UX 491211 930578
Total score 3161830 4008294
Samples [15 tests] [45 tests]
3DMark Steel Nomad Light
Stability - 78%
Graphics test 23 FPS 20 FPS
Graphics score 3109 2699
3DMark Solar Bay
Graphics test 45 FPS 48 FPS
Section 1 51 FPS 56 FPS
Section 2 44 FPS 47 FPS
Section 3 39 FPS 39 FPS
Graphics score 11935 12540
Sources: 3DMark [5], [6]
PCMark 3.0
Galaxy S26 (Exynos) +30%
20423
OnePlus 15
15658
Web score 21279 15531
Video editing 8171 6678
Photo editing 40764 26644
Data manipulation 16909 14971
Writing score 30248 20874
AnTuTu 11 Ranking List (82nd and 26th place)
Submit your benchmark results

Recent User Tests

The latest benchmark tests that have been submitted by users
Samsung Galaxy S26 (Exynos)
DateBenchmarkResult
📘 2026-09-30 -> SerostAnTuTu 123359689
📘 2026-09-26 (gollim)AnTuTu 123269772
📘 2026-09-24 (Pires)AnTuTu 123302245
📘 2026-09-20 (Shaco)AnTuTu 123216468
📘 2026-09-06 (Artem)AnTuTu 113113554
Add View all (27)
OnePlus 15
DateBenchmarkResult
📘 2026-09-26 (ASCO🇺🇿)AnTuTu 123842868
📘 2026-09-08 -> aleshkaAnTuTu 123914618
📘 2026-09-05 (Mehdi)AnTuTu 113651261
📘 2026-08-24 -> Ang3L4DAnTuTu 114057387
📘 2026-08-15 (YurOk)AnTuTu 113870500
Add View all (59)

Memory

RAM
RAM size 12 GB 12 GB
Memory type LPDDR5X LPDDR5X
Memory clock 5333 MHz 5333 MHz
Channels 4 4
Storage
Storage size 256 GB 256 GB
Storage type UFS 4.0 UFS 4.1
Memory card No No

Software

Operating system Android 16 Android 16
ROM One UI 8.5 OxygenOS 16
OS size 29.5 GB 26 GB
OS updates 7 years 4 years
Security updates 7 years 6 years

Battery

Capacity 4300 mAh 7300 mAh
Max charge power 25 W 120 W
Battery type Li-Ion Silicon-Carbon (Si/C)
Replaceable No No
Wireless charging Yes (15 W) Yes (50 W)
Reverse charging Yes, (wireless) Yes, (wireless)
Bypass charging Yes Yes
Fast charging Yes (62% in 30 min) Yes (50% in 15 min)
Full charging time 1:04 hr 0:43 hr
Battery cycles 1200 cycles 1100 cycles
Battery life tests
Web browsing 09:34 hr 18:32 hr
Watching video 21:01 hr 28:44 hr
Gaming 06:20 hr 10:01 hr
Standby 97 hr 139 hr
General battery life
Galaxy S26 (Exynos)
25:13 hr
OnePlus 15 +56%
39:14 hr
Add your battery life

Main camera

Matrix 50 megapixels 50 megapixels
Image resolution 8160 x 6120 8192 x 6144
Zoom Optical, 3x Optical, 3.5x
Flash LED Dual LED
Stabilization Optical Optical
8K video recording Up to 30FPS Up to 30FPS
4K video recording Up to 60FPS Up to 120FPS
1080p video recording Up to 60FPS Up to 120FPS
Slow motion 240 FPS (1080p) 480 FPS (720p)
Angle of widest lens 120° 116°
Lenses 1) Standard: 50 MP
2) Telephoto: 10 MP
3) Ultrawide: 12 MP
1) Standard: 50 MP
2) Telephoto: 50 MP
3) Ultrawide: 50 MP
Camera features - Bokeh mode
- Pro mode
- RAW support		 - Bokeh mode
- Pro mode
- RAW support
Standard lens
Image resolution 50 MP 50 MP
Aperture f/1.8 f/1.8
Focal length 24 mm 24 mm
Sensor Samsung ISOCELL S5KGN3 Sony IMX906
Sensor size 1/1.56" (≈ 0.64 inch) 1/1.56" (≈ 0.64 inch)
Pixel size 1 micron 1 micron
Autofocus Phase autofocus (Dual Pixel) Phase autofocus
Stabilization Optical Optical
Telephoto lens
Image resolution 10 MP 50 MP
Aperture f/2.4 f/2.8
Focal length 67 mm 85 mm
Sensor Samsung ISOCELL S5K3K1 Samsung S5KJN5
Sensor size 1/3.94" (≈ 0.25 inch) 1/2.76" (≈ 0.36 inch)
Pixel size 1 micron 0.64 micron
Stabilization Optical Optical
Ultra-wide lens
Image resolution 12 MP 50 MP
Aperture f/2.2 f/2.0
Focal length 13 mm 16 mm
Sensor Sony IMX564 OmniVision OV50D
Sensor size 1/2.55" (≈ 0.39 inch) 1/2.88" (≈ 0.35 inch)
Pixel size 1.4 micron 0.612 micron
Stabilization Digital Digital

DxOMark main camera tests

Photo quality
Video quality
Generic main camera score
Bokeh 150 -
Zoom 119 -
Samples Photo samples of Samsung Galaxy S26 (Exynos) from DxOMark -

Selfie camera

Megapixels 12 megapixels 32 megapixels
Image resolution 4000 x 3000 6560 x 4928
Aperture f/2.2 f/2.4
Focal length 26 mm 21 mm
Sensor Samsung S5K3LU Sony IMX709
Sensor size 1/3.2" (≈ 0.31 inch) 1/2.74" (≈ 0.36 inch)
Pixel size 1.12 micron 0.64 micron
Autofocus Phase autofocus Phase autofocus
Stabilization Digital Digital
Video resolution 2160p (4K) at 60 FPS 2160p (4K) at 60 FPS
Depth sensor (TOF 3D) No No

Connectivity

Wi-Fi standard 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 5.4 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, DP 1.2 Yes
GPS GPS, GLONASS, Beidou, Galileo, QZSS GPS, GLONASS, Beidou, Galileo, QZSS, NAVIC
NFC* Yes Yes
Infrared port No Yes
Network
Number of SIM* 2 2
Type of SIM card Nano Nano
Multi SIM mode Standby Standby
eSIM support* Yes Yes
Hybrid slot No No
5G support Yes Yes

Sound

Speakers Stereo Stereo
Headphone audio jack No No
FM radio No No
Dolby Atmos Yes No
Speakers test
Max loudness
Galaxy S26 (Exynos) +15%
92.4 dB
OnePlus 15
80.4 dB

Other

Category Flagship Flagship
Announced February 2026 October 2025
Release date March 2026 October 2025
Launch price (MSRP) $899 $899
SAR (head) 1.21 W/kg -
SAR (body) 1.1 W/kg -
Sensors - Hall-effect sensor
- Barometer
- Proximity sensor
- Gyroscope
- Accelerometer
- Ambient light sensor
- Compass
- Fingerprint		 - Hall-effect sensor
- Proximity sensor
- Gyroscope
- Accelerometer
- Ambient light sensor
- Compass
- Fingerprint
Bundled charger Not included Not included
*Disclaimer! NFC, GSM network support, and some other specs can be different depending on the country.

Conclusion

After analyzing all the data, we think that the OnePlus 15 is definitely a better buy.

Cast your vote

So, which phone would you choose?
25 (33.3%)
50 (66.7%)
Total votes: 75

Related comparisons

1. Samsung Galaxy S26 (Exynos) vs Samsung Galaxy S25 (1)
2. Samsung Galaxy S26 (Exynos) vs Apple iPhone Air
3. Samsung Galaxy S26 (Exynos) vs Samsung Galaxy S26 Ultra
4. Samsung Galaxy S26 (Exynos) vs Samsung Galaxy S25 Ultra
5. Samsung Galaxy S26 (Exynos) vs Samsung Galaxy S26 (Snapdragon)
6. OnePlus 15 vs OnePlus 13 (6)
7. OnePlus 15 vs Apple iPhone 17 Pro Max (10)
8. OnePlus 15 vs Samsung Galaxy S25 Ultra (3)
9. OnePlus 15 vs Apple iPhone 17 (3)
10. OnePlus 15 vs Google Pixel 10
Compare other phones (860+)

User opinions

You can share your opinion or ask a question in the comments below
🌐 Register your profile and become part of NanoReview community!
EnglishРусский