Home Phone comparison Samsung Galaxy S23 Ultra and Vivo iQOO 15R - Which is better?

Samsung Galaxy S23 Ultra vs Vivo iQOO 15R

81 out 100
Samsung Galaxy S23 Ultra
VS
88 out 100
Vivo iQOO 15R
Samsung Galaxy S23 Ultra
Vivo iQOO 15R

Compared 2 smartphones : Samsung Galaxy S23 Ultra Manufactured in February, 2023, with display 6.8 with chipsetSnapdragon 8 Gen 2 Mobile Platform for Galaxy, vs Vivo iQOO 15R, Manufactured in March, 2026with chipsetQualcomm Snapdragon 8 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 S23 Ultra
  • Larger display: 6.8in
  • Higher pixel density: 500ppi
  • Supports newer USB: 3.2 vs 2
  • Supports Dolby Atmos
  • Built-in eSIM
Reasons to choose Vivo iQOO 15R
  • Higher refresh rate: 144Hz
  • Lighter design: 202g vs 233g
  • Higher battery capacity: 7600mAh vs 5000mAh
  • Newer Bluetooth version: 6.0 vs 5.3
  • Infrared port
  • Includes charger

Versions

Available versions and configurations
Memory Options - 8/256 GB
- 12/256 GB
- 12/512 GB
- 12/1024 GB		 - 8/256 GB
- 12/256 GB
- 12/512 GB

Review

Key Specs Samsung Galaxy S23 Ultra and Vivo iQOO 15R
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:
Galaxy S23 Ultra
vs
Vivo iQOO 15R

Display

Display quality comparison
Type Dynamic AMOLED AMOLED
Size 6.8 in 6.59 in
Resolution 1440x3088 pixels 1260x2750 pixels
Aspect ratio 19.3:9 19.5:9
Pixel density 500 ppi 459 ppi
Refresh rate 120 Hz 144 Hz
Adaptive refresh rate Yes (1-120 Hz) Yes (60-120 Hz)
Max brightness 850 nits n/a
HDR support Yes HDR10+ Yes, HDR10+
Touch Sampling Rate 240 Hz n/a
Screen-to-body ratio 89.5 % 90.8 %
Features - DCI-P3
- Always-On Display		 - DCI-P3
- Always-On Display
- DC dimming
Display test
Peak brightness (auto)
Samsung Galaxy S23 Ultra
1269 nits
Vivo iQOO 15R
n/a
sRGB gamut96.9 %n/a
PWM (Flicker)240 Hzn/a
Response time2 msn/a
Contrast∞ Infiniten/a
Sources: NotebookCheck [Samsung Galaxy S23 Ultra]

Design & Build

Design and ergonomics comparison
Height 163.4 mm (6.43 in) 157.61 mm (6.21 in)
Width 78.1 mm (3.07 in) 74.42 mm (2.93 in)
Thickness 8.9 mm (0.35 in) 7.9 mm (0.31 in)
Weight 233 g (8.22 oz) 202 g (7.13 oz)
Water resistance IP68 IP69
Cooling system Vapor chamber Vapor chamber
Back panel Glass Plastic
Frame Metal Metal
Colors - White
- Black
- Gray
- Blue
- Green
- Red
- Purple		 - Black
- Silver
Fingerprint sensor Yes In-Display Yes, In-Display
Screen-to-body ratio
Samsung Galaxy S23 Ultra
89.5 %
Vivo iQOO 15R
90.8 %

Performance

Testing Samsung Galaxy S23 Ultra and Vivo iQOO 15R In benchmarks
Processor
Chipset Snapdragon 8 Gen 2 Mobile Platform for Galaxy Qualcomm Snapdragon 8 Gen 5
Max Frequency 3360 MHz 3000 MHz
CPU Cores 8 (1 + 2 + 2 + 3) 8 (2 + 6)
Architecture - 3/2 (Cortex-A510)
- 2/2.8 (Cortex-A710)
- 2/2.8 (Cortex-A715)
- 1/3.2 (Cortex-X3)		 6/3.32 ()
Process TSMC TSMC
Transistor Size 4 nm 3 nm
Neural Processor Hexagon Hexagon
Graphics Adreno 740 Adreno 829
GPU Cores 1536 1024
GPU Frequency 719 MHz 1200 MHz
FLOPS 2089 GFLOPS 2457.6 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Samsung Galaxy S23 Ultra
1976
Vivo iQOO 15R
2698
Geekbench 6 (Multi-Core)
Samsung Galaxy S23 Ultra
5221
Vivo iQOO 15R
8830
Geekbench 6 (Single-Core)19762698
Geekbench 6 (Multi-Core)52218830
Geekbench Compute (GPU)n/a21113
Sources: Geekbench v6 [Vivo iQOO 15R]
AnTuTu 10
AnTuTu 10
Samsung Galaxy S23 Ultra
1541246
Vivo iQOO 15R
3272562
CPU3710841018344
GPU600732997845
Memory299004433367
UX270462823006
NanoReview Score15412463272562
3DMark Wild Life
3DMark Wild Life
Samsung Galaxy S23 Ultra
12160
Vivo iQOO 15R
n/a
Max Surface Temp.34.8 °Cn/a
Stability64 %n/a
Graphics Test72 fpsn/a
Graphics Score12160n/a
Sources: 3DMark [Samsung Galaxy S23 Ultra]
PCMark 3.0
PCMark 3.0
Samsung Galaxy S23 Ultra
16130
Vivo iQOO 15R
n/a
Writing score19799n/a
Web score16101n/a
Video editing7815n/a
Data manipulation13142n/a
NanoReview Score16130n/a

Memory

RAM
RAM Size - 8 GB
- 12 GB		 8 GB
Memory Type LPDDR5X LPDDR5X
Memory Frequency 4200 MHz n/a
Channels 4 4
Storage
Storage Capacity- 256 GB
- 512 GB
- 1024 GB		256 GB
Storage TypeUFS 4.0UFS 4.1
Memory CardNoNo

Software

OS Android 13 (Upgradeable to Android 14) Android 16
OS Size 39.9 GB n/a
UI Skin One UI 6.1 OriginOS 6

Battery

Volume 5000 mAh 7600 mAh
Max Charging Power 45 W 100 W
Battery Type Li-ion Silicon Carbon (Si/C)
Removable No No
Wireless Charging Yes (15 W) No
Reverse Charging Yes (Wireless) Yes
Fast Charging Yes (68% in 30 min) Yes (46% in 30 min)
Full Charge Time 0:59 h 1:04 h
Battery Life Test
Battery Life
Samsung Galaxy S23 Ultra
26:01
Vivo iQOO 15R
n/a
Web Browsing09:57 hn/a
Video Playback15:38 hn/a
Games06:22 hn/a
Standby Mode130 hn/a

Main camera

Matrix 200 MP 50 MP
Photo resolution 16320x12240 pixels 8192x6144 pixels
Zoom Optical, 10x Digital
Flash LED LED
Stabilization Optical Optical
8K Recording Yes (Up to 30 fps) No
4K Recording Yes (Up to 60 fps) Yes (Up to 60 fps)
1080p Recording Yes (Up to 120 fps) Yes (Up to 60 fps)
Slow Motion 960 fps (1080p) n/a
Wide-angle lens 120 ° n/a
Lenses count Standard: 200 MP
Telephoto: 10 MP
Telephoto: 10 MP
Ultra-wide: 12 MP		 Standard: 50 MP
Ultra-wide: 8 MP
Features - Bokeh effect
- Pro mode
- RAW support		 - Bokeh effect
- Pro mode
Main lens
Matrix200 MP50 MP
Aperturef/1.7f/1.8
Focal length23 mmn/a
SensorSamsung ISOCELL HP2n/a
Sensor size1/1.3n/a
Pixel size0.64 μmn/a
AutofocusLaser autofocusPhase autofocus
StabilizationOpticalOptical
Telephoto
Matrix10 MPn/a
Aperturef/4.9n/a
Focal length230 mmn/a
SensorSony IMX754n/a
Sensor size1/3.52n/a
Pixel size1.12 μmn/a
StabilizationOpticaln/a
Ultra-wide lens
Matrix12 MP8 MP
Aperturef/2.2f/2.2
Focal length13 mm15 mm
SensorSony IMX564n/a
Sensor size1/2.551/4.0 (0.25)
Pixel size1.4 μmn/a
StabilizationDigitalDigital
Main camera DxOMark results
Photo quality
Samsung Galaxy S23 Ultra
139
Vivo iQOO 15R
n/a
Video quality
Samsung Galaxy S23 Ultra
137
Vivo iQOO 15R
n/a
Overall camera score
Samsung Galaxy S23 Ultra
140
Vivo iQOO 15R
n/a
Bokeh70n/a
Preview73n/a
Zoom141n/a
Sources: DxOMark [Samsung Galaxy S23 Ultra]

Front camera

Matrix 12 MP 32 MP
Photo resolution 4000x3000 pixels n/a
Aperture f/2.2 f/2.2
Focal length 26 mm n/a
Sensor Samsung S5K3LU n/a
Sensor size 1/3.24 n/a
Pixel size 1.12 μm n/a
Autofocus Phase autofocus No
Stabilization Digital Digital
Video resolution 2160p (4K) at 60 fps 2160p (4K) at 30 fps
TOF 3D sensor No No
Selfie camera DxOMark results
Photo quality
Samsung Galaxy S23 Ultra
139
Vivo iQOO 15R
n/a
Video quality
Samsung Galaxy S23 Ultra
145
Vivo iQOO 15R
n/a

Connectivity

Wi-Fi version Wi-Fi 6E (802.11 a/b/g/n/ac/ax) 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 5.3 6.0
Bluetooth features LE LE
USB type USB Type-C USB Type-C
USB version 3.2 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
NFC* Yes Yes
Infrared Port No Yes
Connectivity
SIM Count*12
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *YesNo
Hybrid SlotNoNo
2G Bandsn/aGSM 850/900/1800MHz
3G Bandsn/aWCDMA B1/B5/B6/B8/B19
LTE Bands*n/aLTE (B1/B3/B4/B5/B7/B8/B18/B19/B20/B26/B28/B32/B71)
LTE category20n/a
5G SupportYesYes

Sound

Speakers Stereo n/a
3.5 mm Jack No No
FM Radio No No
Dolby Atmos Yes n/a
Speaker Test
Max Volume
Samsung Galaxy S23 Ultra
91.8 dB
Vivo iQOO 15R
n/a

Other

Class Flagship Mid-range
Announced February, 2023 yr February, 2026 yr
Release Date February, 2023 yr March, 2026 yr
Launch Price ($) 1199 n/a
MSRP ($) n/a 495
Sensors - Hall Sensor
- Barometer
- Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor		 - Proximity Sensor
- Gyroscope
- Accelerometer
- Ambient Light Sensor
- Compass
- Fingerprint sensor
Charger Included No Yes, 100 W
* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

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Survey

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Total Votes: 3

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