Home Phone comparison Samsung Galaxy S25 Ultra and Vivo iQOO Z9 Turbo - Which is better?

Samsung Galaxy S25 Ultra vs Vivo iQOO Z9 Turbo

94 out 100
Samsung Galaxy S25 Ultra
VS
77 out 100
Vivo iQOO Z9 Turbo
Samsung Galaxy S25 Ultra
Vivo iQOO Z9 Turbo

Compared 2 smartphones : Samsung Galaxy S25 Ultra Manufactured in February, 2025, with display 6.9 with chipsetQualcomm Snapdragon 8 Elite, vs Vivo iQOO Z9 Turbo, Manufactured in April, 2024with chipsetQualcomm Snapdragon 8s Gen 3. 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 S25 Ultra
  • Larger display: 6.9in
  • Higher pixel density: 498ppi
  • Supports newer USB: 3.2 vs 2
  • Supports DisplayPort
  • Supports Dolby Atmos
  • Built-in eSIM
Reasons to choose Vivo iQOO Z9 Turbo
  • Higher refresh rate: 144Hz
  • Lighter design: 194.9g vs 218g
  • Higher battery capacity: 6000mAh vs 5000mAh
  • Infrared port
  • Includes charger

Versions

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

Review

Key Specs Samsung Galaxy S25 Ultra and Vivo iQOO Z9 Turbo
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 S25 Ultra
vs
Vivo iQOO Z9 Turbo

Display

Display quality comparison
Type Dynamic AMOLED AMOLED
Size 6.9 in 6.78 in
Resolution 1440x3120 pixels 1260x2800 pixels
Aspect ratio 19.5:9 20:9
Pixel density 498 ppi 453 ppi
Refresh rate 120 Hz 144 Hz
Adaptive refresh rate Yes (1-120 Hz) Yes
Max brightness 2600 nits n/a
HDR support Yes HDR10+ Yes HDR10+
Touch Sampling Rate 240 Hz 300 Hz
Screen-to-body ratio 92.4 % 89.3 %
Features - DCI-P3
- Always-On Display
- DC dimming		 - DCI-P3
- Always-On Display
- DC dimming
Display test
Peak brightness (auto)
Samsung Galaxy S25 Ultra
1403 nits
Vivo iQOO Z9 Turbo
n/a
sRGB gamut97.7 %n/a
PWM (Flicker)240 Hzn/a
Response time1 msn/a
Contrast∞ Infiniten/a
Sources: NotebookCheck [Samsung Galaxy S25 Ultra]

Design & Build

Design and ergonomics comparison
Height 162.8 mm (6.41 in) 163.72 mm (6.45 in)
Width 77.6 mm (3.06 in) 75.88 mm (2.99 in)
Thickness 8.2 mm (0.32 in) 7.98 mm (0.31 in)
Weight 218 g (7.69 oz) 194.9 g (6.87 oz)
Water resistance IP68 IP64
Cooling system Vapor chamber Vapor chamber
Back panel Glass Glass
Frame Metal Plastic
Colors - Black
- Silver
- Gray
- Blue		 - White
- Black
- Green
Fingerprint sensor Yes In-Display Yes In-Display
Screen-to-body ratio
Samsung Galaxy S25 Ultra
92.4 %
Vivo iQOO Z9 Turbo
89.3 %

Performance

Testing Samsung Galaxy S25 Ultra and Vivo iQOO Z9 Turbo In benchmarks
Processor
Chipset Qualcomm Snapdragon 8 Elite Qualcomm Snapdragon 8s Gen 3
Max Frequency 4470 MHz 3000 MHz
CPU Cores 8 (2 + 6) 8 (1 + 4 + 3)
Architecture - 6/3.53 (Oryon (Phoenix M))
- 2/4.32 (Oryon (Phoenix L))		 - 3/2 (Cortex-A520)
- 4/2.8 (Cortex-A720)
- 1/3 (Cortex-X4)
Process TSMC TSMC
Transistor Size 3 nm 4 nm
Neural Processor Hexagon Hexagon
Graphics Adreno 830 Adreno 735
GPU Cores 1536 768
GPU Frequency 1100 MHz 1100 MHz
FLOPS 3379.2 GFLOPS 1689.6 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Samsung Galaxy S25 Ultra
3147
Vivo iQOO Z9 Turbo
1965
Geekbench 6 (Multi-Core)
Samsung Galaxy S25 Ultra
9750
Vivo iQOO Z9 Turbo
5187
Geekbench 6 (Single-Core)31471965
Geekbench 6 (Multi-Core)97505187
Geekbench Compute (GPU)2568110406
Sources: Geekbench v6 [Samsung Galaxy S25 Ultra], [Vivo iQOO Z9 Turbo]
AnTuTu 10
AnTuTu 10
Samsung Galaxy S25 Ultra
2795139
Vivo iQOO Z9 Turbo
1501794
CPU659871381507
GPU1294167541551
Memory471319287552
UX369782291184
NanoReview Score27951391501794
3DMark Wild Life
3DMark Wild Life
Samsung Galaxy S25 Ultra
n/a
Vivo iQOO Z9 Turbo
11216
Sources: 3DMark [Vivo iQOO Z9 Turbo]
PCMark 3.0
PCMark 3.0
Samsung Galaxy S25 Ultra
n/a
Vivo iQOO Z9 Turbo
12475
Writing scoren/a14978
Web scoren/a9849
Video editingn/a6161
Data manipulationn/a12844
NanoReview Scoren/a12475

Memory

RAM
RAM Size - 12 GB
- 16 GB		 - 12 GB
- 16 GB
Memory Type LPDDR5X LPDDR5X
Memory Frequency 5333 MHz 4200 MHz
Channels 2 4
Storage
Storage Capacity- 256 GB
- 512 GB
- 1024 GB		- 256 GB
- 512 GB
Storage TypeUFS 4.0UFS 4.0
Memory CardNoNo

Software

OS Android 15 Android 14
OS Size 30.4 GB n/a
UI Skin One UI 7.0 OriginOS 4

Battery

Volume 5000 mAh 6000 mAh
Max Charging Power 45 W 80 W
Battery Type Li-ion Li-Po
Removable No No
Wireless Charging Yes (25 W) No
Reverse Charging Yes (Wireless) Yes
Fast Charging Yes (72% in 30 min) Yes (50% in 17 min)
Full Charge Time 0:59 h 0:39 h
Battery Life Test
Battery Life
Samsung Galaxy S25 Ultra
31:10
Vivo iQOO Z9 Turbo
n/a
Web Browsing11:10 hn/a
Video Playback19:32 hn/a
Games06:22 hn/a
Standby Mode160 hn/a

Main camera

Matrix 200 MP 50 MP
Photo resolution 16320x12240 pixels 8192x6144 pixels
Zoom Optical, 5x Digital
Flash LED LED
Stabilization Optical Optical
8K Recording Yes (Up to 30 fps) No
4K Recording Yes (Up to 120 fps) Yes (Up to 60 fps)
1080p Recording Yes (Up to 240 fps) Yes (Up to 60 fps)
Slow Motion 240 fps (1080p) 240 fps (1080p)
Wide-angle lens 120 ° n/a
Lenses count Standard: 200 MP
Telephoto: 50 MP
Telephoto: 12 MP
Ultra-wide: 50 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 S5KHP2Sony LYT-600
Sensor size1/1.31/1.95
Pixel size0.6 μm0.8 μm
AutofocusPhase autofocusPhase autofocus
StabilizationOpticalOptical
Telephoto
Matrix50 MPn/a
Aperturef/3.4n/a
Focal length111 mmn/a
SensorSony IMX854n/a
Sensor size1/2.52n/a
Pixel size0.7 μmn/a
StabilizationOpticaln/a
Ultra-wide lens
Matrix50 MP8 MP
Aperturef/1.9f/2.2
Focal length13 mmn/a
SensorSamsung ISOCELL S5KJN3GalaxyCore GC08A3
Sensor size1/2.51/4
Pixel size0.7 μm1.12 μm
StabilizationDigitalDigital
Main camera DxOMark results
Photo quality
Samsung Galaxy S25 Ultra
144
Vivo iQOO Z9 Turbo
n/a
Video quality
Samsung Galaxy S25 Ultra
143
Vivo iQOO Z9 Turbo
n/a
Overall camera score
Samsung Galaxy S25 Ultra
146
Vivo iQOO Z9 Turbo
n/a
Bokeh70n/a
Preview81n/a
Zoom149n/a
Sources: DxOMark [Samsung Galaxy S25 Ultra]

Front camera

Matrix 12 MP 16 MP
Photo resolution 4000x3000 pixels n/a
Aperture f/2.2 f/2.5
Focal length 26 mm n/a
Sensor Samsung S5K3LU Samsung S5K3P9
Sensor size 1/3.2 1/3.0
Pixel size 1.12 μm 1 μm
Autofocus Phase autofocus (Dual Pixel) No
Stabilization Digital Digital
Video resolution 2160p (4K) at 60 fps 1080p (Full HD) at 30 fps
TOF 3D sensor No No

Connectivity

Wi-Fi version Wi-Fi 7 (802.11 a/b/g/n/ac/ax/be) Wi-Fi 6 (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 5.4 5.4
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 No
GPS - GPS
- GLONASS
- Beidou
- Galileo
- QZSS		 - GPS
- GLONASS
- 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 BandsGSM850, GSM900, DCS1800, PCS1900GSM 850/900/1800MHz
3G BandsUMTS B1(2100),B2(1900),B4(AWS),B5(850),B8(900)WCDMA B1/B5/B8
LTE Bands*LTE (B1/B2/B3/B4/B5/B7/B8/B12/B13/B14/B18/B19/B20/B25/B26/B28/B29/B30/B66/B71)LTE (B1/B3/B5/B8/B28/B34/B38/B39/B40/B41)
5G SupportYesYes

Sound

Speakers Stereo Stereo
3.5 mm Jack No No
FM Radio No No
Dolby Atmos Yes n/a
Speaker Test
Max Volume
Samsung Galaxy S25 Ultra
93 dB
Vivo iQOO Z9 Turbo
n/a

Other

Class Flagship Mid-range
Announced January, 2025 yr April, 2024 yr
Release Date February, 2025 yr April, 2024 yr
Launch Price ($) 1299 375
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 80 W

Note

Samsung Galaxy S25 Ultra:

Supports up to 2 eSIMs. The international model has 2 physical SIM slots, while the U.S. version has 1.","Uses Grade 5 titanium and Corning Gorilla Armor 2 glass on both sides.

* Attention! Config, frequencies, NFC, and other specs may vary by region.

Results

After analyzing the data, we consider Samsung Galaxy S25 Ultra the clear winner in this comparison.

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