OnePlus 15 vs Samsung Galaxy S23 Ultra

[ VERDICT ] Winner: OnePlus 15 (93/100)

OnePlus 15 leads overall with a score of 93/100 compared to Samsung Galaxy S23 Ultra (75/100), offering superior measured performance and technical specifications.

Benchmark Performance Comparison

Normalized Lab Scores
Benchmark measurements and scores across compared devices
Benchmark OnePlus 15 Samsung Galaxy S23 Ultra
Gaming 94.0 Excellent WINNER 49.0 Poor
NanoReview Score 93.0 Excellent WINNER 75.0 Good
Performance 98.0 Excellent WINNER 71.0 Good

Detailed Technical Specifications

Battery

Battery specifications comparison
Specification OnePlus 15 Samsung Galaxy S23 Ultra
Battery cycles 1100 cycles
Battery type Silicon-Carbon (Si/C) Li-Ion
Bypass charging Yes Yes
Capacity 7300 mAh 5000 mAh
Fast charging Yes (50% in 15 min) Yes (68% in 30 min)
Full charging time 0:43 hr 0:59 hr
Gaming 10:01 hr 06:22 hr
Max charge power 120 W 45 W
Replaceable No No
Reverse charging Yes, (wireless) Yes, (wireless)
Standby 139 hr 130 hr
Watching video 28:44 hr 15:38 hr
Web browsing 18:32 hr 09:57 hr
Wireless charging Yes (50 W) Yes (15 W)

Benchmarks

Benchmarks specifications comparison
Specification OnePlus 15 Samsung Galaxy S23 Ultra
CPU 1184036 556398
Compute Score (GPU) 24461 9254
Data manipulation 14971 13329
GPU 1490867 445907
Graphics score 2699 1098
Graphics test 20 FPS 8 FPS
Memory 402813 285085
Multi-core score 10732 5245
Photo editing 26644 33655
Section 1 56 FPS 23 FPS
Section 2 47 FPS 20 FPS
Section 3 39 FPS 18 FPS
Single-core score 3607 2010
Stability 78% 81%
Total score 4008294 1762339
UX 930578 474949
Video editing 6678 7852
Web score 15531 17072
Writing score 20874 19857

Connectivity

Connectivity specifications comparison
Specification OnePlus 15 Samsung Galaxy S23 Ultra
2G network GSM 850/900/1800/1900MHz
3G network WCDMA 1/2/4/5/6/8/19
4G network LTE 1/2/3/4/5/7/8/12/13/17/18/19/20/25/26/28/30/32/34/38/39/40/41/42/48/66/71
5G support Yes Yes
Bluetooth features LE LE
Bluetooth version 6.0 5.3
DisplayPort Yes Yes, DP 1.2
GPS GPS, GLONASS, Beidou, Galileo, QZSS, NAVIC GPS, GLONASS, Beidou, Galileo, QZSS
Hybrid slot No No
Infrared port Yes No
Multi SIM mode Standby Standby
NFC* Yes Yes
Number of SIM* 2 1
Type of SIM card Nano Nano
USB features - Charging- USB-Storage mode- OTG - Charging- USB-Storage mode- OTG
USB type USB Type-C USB Type-C
USB version 3.2 3.2
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
Wi-Fi standard Wi-Fi 7 (802.11 a/b/g/n/ac/ax/be) Wi-Fi 6E (802.11 a/b/g/n/ac/ax)
eSIM support* Yes Yes
LTE Cat* 20

Design and build

Design and build specifications comparison
Specification OnePlus 15 Samsung Galaxy S23 Ultra
Advanced cooling Vapor chamber Vapor chamber
Colors Black, Gold, Purple White, Black, Gray, Blue, Green, Red, Purple
Drop resistance Good (C) · 90 drops
Fingerprint scanner Yes, in-display Yes, in-display
Frame material Metal Metal
Height 161.42 mm (6.36 inches) 163.4 mm (6.43 inches)
Rear material Glass Glass
Repairability Good (3.69/5)
Thickness 8.1 mm (0.32 inches) 8.9 mm (0.35 inches)
Waterproof IP69 IP68
Weight 211 g (7.44 oz) 233 g (8.22 oz)
Width 76.67 mm (3.02 inches) 78.1 mm (3.07 inches)

Display

Display specifications comparison
Specification OnePlus 15 Samsung Galaxy S23 Ultra
Adaptive refresh rate Yes (1-120 Hz) Yes (24-120 Hz)
Aspect ratio 19.5:9 19.3:9
Contrast ∞ Infinity ∞ Infinity
Display features - DCI-P3- Always-On Display- DC Dimming - DCI-P3- Always-On Display
HDR support Yes, Dolby Vision Yes, HDR10+
Max rated brightness 1800 nits 1200 nits
Max rated brightness in HDR 6000 nits 1750 nits
PPI 450 ppi 500 ppi
PWM 120 Hz 240 Hz
RGB color space 99.9% 96.9%
Refresh rate 165 Hz 120 Hz
Resolution 1272 x 2772 pixels 1440 x 3088 pixels
Response time 3 ms 2 ms
Screen protection Gorilla Glass Victus 2 Gorilla Glass Victus 2
Screen-to-body ratio 91.2% 89.5%
Size 6.78 inches 6.8 inches
Touch sampling rate 330 Hz 240 Hz
Type AMOLED Dynamic AMOLED

Main camera

Main camera specifications comparison
Specification OnePlus 15 Samsung Galaxy S23 Ultra
1080p video recording Up to 120FPS Up to 120FPS
4K video recording Up to 120FPS Up to 60FPS
8K video recording Up to 30FPS Up to 30FPS
Angle of widest lens 116° 120°
Aperture f/1.8 f/1.7
Autofocus Phase autofocus Laser autofocus
Camera features - Bokeh mode- Pro mode- RAW support - Bokeh mode- Pro mode- RAW support
Flash Dual LED LED
Focal length 24 mm 23 mm
Image resolution 8192 x 6144 16320 x 12240
Lenses 1) Standard: 50 MP2) Telephoto: 50 MP3) Ultrawide: 50 MP 1) Standard: 200 MP2) Telephoto: 10 MP3) Telephoto: 10 MP4) Ultrawide: 12 MP
Matrix 50 megapixels 200 megapixels
Pixel size 1 micron 0.64 micron
Sensor Sony IMX906 Samsung ISOCELL HP2
Sensor size 1/1.56" (≈ 0.64 inch) 1/1.3" (≈ 0.77 inch)
Slow motion 480 FPS (720p) 960 FPS (1080p)
Stabilization Optical Optical
Zoom Optical, 3.5x Optical, 10x

Memory

Memory specifications comparison
Specification OnePlus 15 Samsung Galaxy S23 Ultra
Channels 4 4
Memory card No No
Memory clock 5333 MHz 4200 MHz
Memory type LPDDR5X LPDDR5X
RAM size 12 GB 8 GB
Storage size 256 GB 256 GB
Storage type UFS 4.1 UFS 4.0

Other

Other specifications comparison
Specification OnePlus 15 Samsung Galaxy S23 Ultra
Announced October 2025 February 2023
Bundled charger Not included Not included
Category Flagship Flagship
Launch price (MSRP) $899 $1199
Release date October 2025 February 2023
Sensors - Hall-effect sensor- Proximity sensor- Gyroscope- Accelerometer- Ambient light sensor- Compass- Fingerprint - Hall-effect sensor- Barometer- Proximity sensor- Gyroscope- Accelerometer- Ambient light sensor- Compass- Fingerprint
SAR (body) 1.4 W/kg
SAR (head) 0.96 W/kg
Successor -Samsung Galaxy S26 Ultra

Performance

Performance specifications comparison
Specification OnePlus 15 Samsung Galaxy S23 Ultra
Architecture - 6 cores at 3.63 GHz: Oryon Gen 3 Performance- 2 cores at 4.61 GHz: Oryon Gen 3 Prime - 3 cores at 2 GHz: Cortex-A510- 2 cores at 2.8 GHz: Cortex-A710- 2 cores at 2.8 GHz: Cortex-A715- 1 core at 3.2 GHz: Cortex-X3
CPU cores 8 (2 + 6) 8 (1 + 2 + 2 + 3)
Chipset Qualcomm Snapdragon 8 Elite Gen 5 Snapdragon 8 Gen 2 Mobile Platform for Galaxy
FLOPS ~3686.4 GFLOPS ~2089 GFLOPS
GPU clock 1200 MHz 680 MHz
GPU shading units 1536 1536
Graphics Adreno 840 Adreno 740
L3 cache 12 MB 8 MB
Lithography process 3 nanometers 4 nanometers
Manufacturing TSMC TSMC
Max clock 4600 MHz 3360 MHz
Neural processor (NPU) Hexagon Hexagon

Recent User Tests

Recent User Tests specifications comparison
Specification OnePlus 15 Samsung Galaxy S23 Ultra
Date Benchmark Benchmark
📘 2026-07-01(Seraphim) CPU Throttle
📘 2026-07-04(Nothing left) AnTuTu
📘 2026-07-06(Samuray095) AnTuTu
📘 2026-07-19(Mohamed selima) AnTuTu
📘 2026-07-31(@zokhidjonovch) AnTuTu
📘 2026-08-07(@zokhidjonovch) AnTuTu
📘 2026-08-15(YurOk) AnTuTu
📘 2026-08-24->Ang3L4D AnTuTu
📘 2026-02-26(Nightciv1l) AnTuTu
📘 2026-04-05->ZOLOLEVEL AnTuTu
📘 2026-04-18(Tuscanchik) AnTuTu
📘 2026-05-14(Trizer) AnTuTu
📘 2026-07-20(Khải) GeekBench CPU
📘 2026-07-21(Jedidiah) AnTuTu
📘 2026-08-07(Turtle tech) AnTuTu

Selfie camera

Selfie camera specifications comparison
Specification OnePlus 15 Samsung Galaxy S23 Ultra
Depth sensor (TOF 3D) No No
Megapixels 32 megapixels 12 megapixels
Video resolution 2160p (4K) at 60 FPS 2160p (4K) at 60 FPS
Photo 139
Video 145

Software

Software specifications comparison
Specification OnePlus 15 Samsung Galaxy S23 Ultra
OS size 26 GB 39.9 GB
OS updates 4 years 4 years
Operating system Android 16 Android 13 (Can be upgraded to Android 16)
ROM OxygenOS 16 One UI 8.0
Security updates 6 years 5 years

Sound

Sound specifications comparison
Specification OnePlus 15 Samsung Galaxy S23 Ultra
Dolby Atmos No Yes
FM radio No No
Headphone audio jack No No
Speakers Stereo Stereo

DxOMark main camera tests

DxOMark main camera tests specifications comparison
Specification OnePlus 15 Samsung Galaxy S23 Ultra
Bokeh 70
Preview 73
Samples Photo samples of Samsung Galaxy S23 Ultra from DxOMark

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