Samsung Galaxy S23 Ultra vs OnePlus 12

74 out of 100
Samsung Galaxy S23 Ultra
VS
79 out of 100
OnePlus 12

Here we compared two flagship smartphones: the 6.8-inch Samsung Galaxy S23 Ultra (with Snapdragon 8 Gen 2 Mobile Platform for Galaxy) that was released on February 1, 2023, against the OnePlus 12, which is powered by Qualcomm Snapdragon 8 Gen 3 and came out 10 months after. 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

Key differences

An overview of the main advantages of each smartphone
Reasons to consider the Samsung Galaxy S23 Ultra
  • The rear camera has a 10x optical zoom
  • Waterproof body (IP68 classification)
  • Slow-motion recording at 960FPS
  • Delivers 10% higher peak brightness (1285 against 1164 nits)
  • More recent OS version: Android 17 versus 16
Reasons to consider the OnePlus 12
  • 36% better performance in AnTuTu Benchmark (2401K versus 1762K)
  • Shows 9% longer battery life (28:16 vs 26:01 hours)
  • Has 50% more RAM: 12GB versus 8GB
  • Newer Bluetooth version (v5.4)
  • Supports higher wattage charging (100W versus 45W)
  • Compatible with Wi-Fi 7 wireless networks
  • Has 2 SIM card slots
  • 9% faster in single-core GeekBench 6 test: 2182 and 2010 points
  • The phone is 10 months newer
  • Has a built-in infrared port

Review

Evaluation of Samsung Galaxy S23 Ultra and OnePlus 12 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
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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
8 / 256 GB
VS
12 / 256 GB
56.3
(Average)
Value Index
47.5
(Average)

Tests and specifications

Comparison table of technical specifications and tests

Display

Type Dynamic AMOLED AMOLED
Size 6.8 inches 6.82 inches
Resolution 1440 x 3088 pixels 1440 x 3168 pixels
Aspect ratio 19.3:9 19.8:9
PPI 501 ppi 510 ppi
Refresh rate 120 Hz 120 Hz
Adaptive refresh rate Yes (24-120 Hz) Yes (1-120 Hz)
Max rated brightness 1200 nits 1600 nits
Max rated brightness in HDR 1750 nits 4500 nits
HDR support Yes, HDR10+ Yes, HDR10+
Touch sampling rate 240 Hz 240 Hz
Screen protection Gorilla Glass Victus 2 Gorilla Glass Victus 2
Screen-to-body ratio 89.5% 91.3%
Display features - DCI-P3
- Always-On Display
- DCI-P3
- Always-On Display
- DC Dimming
Display tests
RGB color space 96.9% 99.5%
PWM 240 Hz Not detected
Response time 2 ms 11 ms
Contrast ∞ Infinity ∞ Infinity
Peak brightness test (auto)
1285 nits
1164 nits
Sources: NotebookCheck [3], [4]

Design and build

Height 163.4 mm (6.43 inches) 163.3 mm (6.43 inches)
Width 78.1 mm (3.07 inches) 75.8 mm (2.98 inches)
Thickness 8.9 mm (0.35 inches) 9.15 mm (0.36 inches)
Weight 233 g (8.22 oz) 220 g (7.76 oz)
Waterproof IP68 IP65
Advanced cooling Vapor chamber Vapor chamber
Rear material Glass Glass
Frame material Metal Metal
Colors White, Black, Gray, Blue, Green, Red, Purple White, Black, Green
Fingerprint scanner Yes, in-display Yes, in-display
Screen-to-body ratio
91.3%

Performance

Chipset specifications of Samsung Galaxy S23 Ultra and OnePlus 12
SoC
Chipset Snapdragon 8 Gen 2 Mobile Platform for Galaxy Qualcomm Snapdragon 8 Gen 3
Max clock 3360 MHz 3300 MHz
CPU cores 8 (1 + 2 + 2 + 3) 8 (1 + 3 + 2 + 2)
Architecture - 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
- 2 cores at 2.27 GHz: Cortex-A520
- 2 cores at 2.96 GHz: Cortex-A720
- 3 cores at 3.15 GHz: Cortex-A720
- 1 core at 3.3 GHz: Cortex-X4
L3 cache 8 MB 12 MB
Manufacturing TSMC TSMC
Lithography process 4 nanometers 4 nanometers
Neural processor (NPU) Hexagon Hexagon
GPU
Graphics Adreno 740 Adreno 750
GPU shading units 1536 1536
GPU clock 719 MHz 903-1000 MHz
FLOPS ~2089 GFLOPS ~2774 GFLOPS

Benchmarks

Benchmark comparison of Samsung Galaxy S23 Ultra and OnePlus 12
Geekbench 6 (Single-Core)
Geekbench 6 (Multi-Core)
OnePlus 12 +23%
6465
Compute Score (GPU)
OnePlus 12 +63%
15111
Compute Score (GPU) 9254 15111
Single-core score 2010 2182
Multi-core score 5245 6465
Sources: Geekbench [3], [4]
AnTuTu Benchmark 11
OnePlus 12 +36%
2401788
CPU 556398 700922
GPU 445907 914074
Memory 285085 313211
UX 474949 573571
Total score 1762339 2401788
Samples [31 tests] [26 tests]
3DMark Steel Nomad Light
OnePlus 12 +53%
1676
Stability 81% 67%
Graphics test 8 FPS 12 FPS
Graphics score 1098 1676
3DMark Solar Bay
OnePlus 12 +55%
8360
Stability 77% 57%
Graphics test 20 FPS 32 FPS
Section 1 23 FPS 36 FPS
Section 2 20 FPS 32 FPS
Section 3 18 FPS 27 FPS
Graphics score 5383 8360
3DMark Wild Life Extreme
OnePlus 12 +25%
4646
Stability 69% 83%
Graphics test 22 FPS 27 FPS
Graphics score 3723 4646
Sources: 3DMark [5], [6]
PCMark 3.0
16385
13302
Web score 17072 12226
Video editing 7852 6195
Photo editing 33655 23810
Data manipulation 13329 13418
Writing score 19857 17373
AnTuTu 11 Ranking List (#177th place)

Recent User Tests

The latest benchmark tests that have been submitted by users
Samsung Galaxy S23 Ultra
DateBenchmarkResult
📘 2026-11-05 (Azure)AnTuTu 121963229
📘 2026-10-31 -> ThekinggoatAnTuTu 121928646
📘 2026-10-30 (Brandon)AnTuTu 121966306
📘 2026-10-30 (Brandon Jamal)AnTuTu 121966306
📘 2026-10-20 (Mohamed RuSeK)AnTuTu 121923176
OnePlus 12
DateBenchmarkResult
📘 2026-10-15 -> Lukisek.CZAnTuTu 122793277
📘 2026-10-06 -> WhystechAnTuTu 122414186
📘 2026-09-26 (Eon)Geekbench 7 CPU1896 / 6424
📘 2026-09-20 -> nsy567808AnTuTu 112317311
📘 2026-09-19 -> nsy567808AnTuTu 112317311

Memory

RAM
RAM size 8 GB 12 GB
Memory type LPDDR5X LPDDR5X
Memory clock 4200 MHz 4266 MHz
Channels 4 4
Storage
Storage size 256 GB 256 GB
Storage type UFS 4.0 UFS 4.0
Memory card No No

Software

Operating system Android 13 (Can be upgraded to Android 17) Android 14 (Can be upgraded to Android 16)
ROM One UI 9.0 OxygenOS 16
OS size 39.9 GB 30 GB
OS updates 4 years 4 years
Security updates 5 years 6 years

Battery

Capacity 5000 mAh 5400 mAh
Max charge power 45 W 100 W
Battery type Li-Ion Li-Po
Replaceable No No
Wireless charging Yes (15 W) Yes (50 W)
Reverse charging Yes, (wireless) Yes, (wireless)
Bypass charging Yes -
Fast charging Yes (68% in 30 min) Yes (70% in 15 min)
Full charging time 0:59 hr 0:24 hr
Battery life tests
Web browsing 09:57 hr 13:10 hr
Watching video 15:38 hr 18:49 hr
Gaming 06:22 hr 06:05 hr
Standby 130 hr 114 hr
General battery life
26:01 hr
28:16 hr
Smartphones With Long Battery Life (144th and 87th place)

Main camera

Matrix 200 megapixels 50 megapixels
Image resolution 16320 x 12240 8192 x 6144
Zoom Optical, 10x Optical, 3x
Flash LED Dual LED
Stabilization Optical Optical
8K video recording Up to 30FPS Up to 24FPS
4K video recording Up to 60FPS Up to 60FPS
1080p video recording Up to 120FPS Up to 60FPS
Slow motion 960 FPS (1080p) 240 FPS (1080p)
Angle of widest lens 120° 114°
Lenses 1) Standard: 200 MP
2) Telephoto: 10 MP
3) Telephoto: 10 MP
4) Ultrawide: 12 MP
1) Standard: 50 MP
2) Telephoto: 64 MP
3) Ultrawide: 48 MP
Camera features - Bokeh mode
- Pro mode
- RAW support
- Bokeh mode
- Pro mode
Standard lens
Image resolution 200 MP 50 MP
Aperture f/1.7 f/1.6
Focal length 23 mm 23 mm
Sensor Samsung ISOCELL HP2 Sony LYT-T808
Sensor size 1/1.3" (≈ 0.77 inch) 1/1.43" (≈ 0.7 inch)
Pixel size 0.64 micron 1.12 micron
Autofocus Laser autofocus Phase autofocus (Dual Pixel)
Stabilization Optical Optical
Telephoto lens
Image resolution 10 MP 64 MP
Aperture f/4.9 f/2.6
Focal length 230 mm 70 mm
Sensor Sony IMX754 Omnivision OV64B
Sensor size 1/3.52" (≈ 0.28 inch) 1/2" (≈ 0.5 inch)
Pixel size 1.12 micron 0.7 micron
Stabilization Optical Optical
Ultra-wide lens
Image resolution 12 MP 48 MP
Aperture f/2.2 f/2.2
Focal length 13 mm 14 mm
Sensor Sony IMX564 Sony IMX581
Sensor size 1/2.55" (≈ 0.39 inch) 1/2" (≈ 0.5 inch)
Pixel size 1.4 micron 0.8 micron
Stabilization Digital Digital

DxOMark main camera tests

Photo quality
Video quality
Generic main camera score
Bokeh 70 -
Preview 73 -
Zoom 141 -
Samples Photo samples of Samsung Galaxy S23 Ultra 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 IMX615
Sensor size 1/3.24" (≈ 0.31 inch) 1/2.74" (≈ 0.36 inch)
Pixel size 1.12 micron 0.8 micron
Autofocus Phase autofocus No
Stabilization Digital Digital
Video resolution 2160p (4K) at 60 FPS 2160p (4K) at 30 FPS
Depth sensor (TOF 3D) No No
DxOMark front camera
Photo 139 -
Video 145 -

Connectivity

Wi-Fi standard Wi-Fi 6E (802.11 a/b/g/n/ac/ax) Wi-Fi 7 (802.11 a/b/g/n/ac/ax)
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 5.3 5.4
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* 1 2
Type of SIM card Nano Nano
Multi SIM mode Standby Standby
eSIM support* Yes Yes
Hybrid slot No No
LTE Cat* 20 20
5G support Yes Yes

Sound

Speakers Stereo Stereo
Headphone audio jack No No
FM radio No No
Dolby Atmos Yes Yes
Speakers test
Max loudness
91.8 dB
82.6 dB

Other

Category Flagship Flagship
Announced February 2023 December 2023
Release date February 2023 February 2024
Launch price (MSRP) $1199 $799
Successor - Samsung Galaxy S26 Ultra - OnePlus 16
SAR (head) 0.96 W/kg -
SAR (body) 1.4 W/kg -
Sensors - Hall-effect sensor
- Barometer
- Proximity sensor
- Gyroscope
- Accelerometer
- Ambient light sensor
- Compass
- Fingerprint
- Proximity sensor
- Gyroscope
- Accelerometer
- Ambient light sensor
- Compass
- Fingerprint
Bundled charger Not included Yes, 100 W
*Disclaimer! NFC, GSM network support, and some other specs can be different depending on the country.

Conclusion

If the performance, gaming, battery life, and connectivity are more important to you, then choose the OnePlus 12. But if the sound is more of a priority – go for the Samsung Galaxy S23 Ultra.

Cast your vote

So, which phone would you choose?
189 (27.8%)
491 (72.2%)
Total votes: 680

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