Home Phone comparison Samsung Galaxy S25 and Vivo iQOO Z9 5G - Which is better?

Samsung Galaxy S25 vs Vivo iQOO Z9 5G

87 out 100
Samsung Galaxy S25
VS
69 out 100
Vivo iQOO Z9 5G
Samsung Galaxy S25
Vivo iQOO Z9 5G

Compared 2 smartphones : Samsung Galaxy S25 Manufactured in February, 2025, with display 6.2 with chipsetQualcomm Snapdragon 8 Elite, vs Vivo iQOO Z9 5G, Manufactured in March, 2024with chipsetQualcomm Snapdragon 7 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
  • Lighter design: 162g vs 194.6g
  • Supports newer USB: 3.2 vs 2
  • Supports DisplayPort
  • Supports Dolby Atmos
  • Built-in eSIM
Reasons to choose Vivo iQOO Z9 5G
  • Larger display: 6.78in
  • Higher pixel density: 452ppi
  • Higher refresh rate: 144Hz
  • Higher battery capacity: 6000mAh vs 4000mAh
  • Infrared port
  • Includes charger

Versions

Available versions and configurations
Memory Options - 12/128 GB
- 12/256 GB
- 12/512 GB		 - 8/128 GB
- 8/256 GB
- 12/256 GB

Review

Key Specs Samsung Galaxy S25 and Vivo iQOO Z9 5G
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:
Samsung Galaxy S25
vs
Vivo iQOO Z9 5G

Display

Display quality comparison
Type Dynamic AMOLED AMOLED
Size 6.2 in 6.78 in
Resolution 1080x2340 pixels 1260x2800 pixels
Aspect ratio 19.5:9 20:9
Pixel density 416 ppi 452 ppi
Refresh rate 120 Hz 144 Hz
Adaptive refresh rate Yes (1-120 Hz) Yes
Max brightness 2600 nits 1200 nits
HDR support Yes HDR10+ Yes HDR10+
Touch Sampling Rate 240 Hz 300 Hz
Screen-to-body ratio 91.1 % 89.3 %
Features - DCI-P3
- Always-On Display		 - DCI-P3
- Always-On Display
- DC dimming
Display test
Peak brightness (auto)
Samsung Galaxy S25
1406 nits
Vivo iQOO Z9 5G
n/a
sRGB gamut97.4 %n/a
PWM (Flicker)240 Hzn/a
Response time2 msn/a
Contrast∞ Infiniten/a
Sources: NotebookCheck [Samsung Galaxy S25]

Design & Build

Design and ergonomics comparison
Height 146.9 mm (5.78 in) 163.72 mm (6.45 in)
Width 70.5 mm (2.78 in) 75.88 mm (2.99 in)
Thickness 7.2 mm (0.28 in) 7.98 mm (0.31 in)
Weight 162 g (5.71 oz) 194.6 g (6.86 oz)
Water resistance IP68 IP64
Cooling system Vapor chamber n/a
Back panel Glass Plastic
Frame Metal Plastic
Colors - Black
- Silver
- Gray
- Blue
- Green
- Pink		 - Black
- Green
Fingerprint sensor Yes In-Display Yes In-Display
Screen-to-body ratio
Samsung Galaxy S25
91.1 %
Vivo iQOO Z9 5G
89.3 %

Performance

Testing Samsung Galaxy S25 and Vivo iQOO Z9 5G In benchmarks
Processor
Chipset Qualcomm Snapdragon 8 Elite Qualcomm Snapdragon 7 Gen 3
Max Frequency 4470 MHz 2630 MHz
CPU Cores 8 (2 + 6) 8 (2 + 6)
Architecture - 6/3.53 (Oryon (Phoenix M))
- 2/4.32 (Oryon (Phoenix L))		 - 6/2 (Cortex-A510)
- 2/2.8 (Cortex-A715)
Process TSMC TSMC
Transistor Size 3 nm 4 nm
Neural Processor Hexagon MediaTek APU 650
Graphics Adreno 830 Mali-G610 MP4
GPU Cores 1536 256
GPU Frequency 1100 MHz 1130 MHz
FLOPS 3379.2 GFLOPS 578.6 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Samsung Galaxy S25
3075
Vivo iQOO Z9 5G
1191
Geekbench 6 (Multi-Core)
Samsung Galaxy S25
9822
Vivo iQOO Z9 5G
3209
Geekbench 6 (Single-Core)30751191
Geekbench 6 (Multi-Core)98223209
Geekbench Compute (GPU)262644184
Sources: Geekbench v6 [Samsung Galaxy S25], [Vivo iQOO Z9 5G]
AnTuTu 10
AnTuTu 10
Samsung Galaxy S25
2382973
Vivo iQOO Z9 5G
712380
CPU580139239086
GPU961299175677
Memory478741118258
UX362794179359
NanoReview Score2382973712380

Memory

RAM
RAM Size 12 GB - 8 GB
- 12 GB
Memory Type LPDDR5X LPDDR4X
Memory Frequency 5333 MHz 2133 MHz
Channels 2 2
Storage
Storage Capacity128 GB- 128 GB
- 256 GB
Storage TypeUFS 4.0UFS 2.2
Memory CardNoNo

Software

OS Android 15 Android 14
OS Size 30.1 GB n/a
UI Skin One UI 7.0 Funtouch OS 14

Battery

Volume 4000 mAh 6000 mAh
Max Charging Power 25 W 80 W
Battery Type Li-ion Silicon Carbon (Si/C)
Removable No No
Wireless Charging Yes (15 W) No
Reverse Charging Yes (Wireless) No
Fast Charging Yes (56% in 30 min) Yes (50% in 17 min)
Full Charge Time 1:17 h 0:39 h
Battery Life Test
Battery Life
Samsung Galaxy S25
24:10
Vivo iQOO Z9 5G
n/a
Web Browsing09:09 hn/a
Video Playback17:15 hn/a
Games05:32 hn/a
Standby Mode108 hn/a

Main camera

Matrix 50 MP 50 MP
Photo resolution 8160x6120 pixels 8192x6144 pixels
Zoom Optical, 3x Digital
Flash LED LED
Stabilization Optical Digital
8K Recording Yes (Up to 30 fps) No
4K Recording Yes (Up to 60 fps) Yes (Up to 30 fps)
1080p Recording Yes (Up to 60 fps) Yes (Up to 60 fps)
Slow Motion 240 fps (1080p) n/a
Wide-angle lens 120 ° n/a
Lenses count Standard: 50 MP
Telephoto: 10 MP
Ultra-wide: 12 MP		 Standard: 50 MP
Depth: 2 MP
Features - Bokeh effect
- Pro mode
- RAW support		 - Bokeh effect
- Pro mode
Main lens
Matrix50 MP50 MP
Aperturef/1.8f/1.8
Focal length24 mm26 mm
SensorSamsung ISOCELL S5KGN3Sony IMX882
Sensor size1/1.561/2
Pixel size1 μm0.7 μm
AutofocusPhase autofocus (Dual Pixel)Phase autofocus
StabilizationOpticalDigital
Telephoto
Matrix10 MPn/a
Aperturef/2.4n/a
Focal length67 mmn/a
SensorSamsung ISOCELL S5K3K1n/a
Sensor size1/3.94n/a
Pixel size1 μmn/a
StabilizationOpticaln/a
Ultra-wide lens
Matrix12 MPn/a
Aperturef/2.2n/a
Focal length13 mmn/a
SensorSony IMX564n/a
Sensor size1/2.55n/a
Pixel size1.4 μmn/a
StabilizationDigitaln/a

Front camera

Matrix 12 MP 16 MP
Photo resolution 4000x3000 pixels n/a
Aperture f/2.2 f/2.0
Focal length 26 mm n/a
Sensor Samsung S5K3LU Samsung S5K3P9
Sensor size 1/3.2 1/3.1
Pixel size 1.12 μm 1 μm
Autofocus Phase autofocus 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
- Beidou
- Galileo
- QZSS
NFC* Yes Varies by region
Infrared Port No Yes
Connectivity
SIM Count*12
SIM TypeNanoNano
SIM ModeDual SIM StandbyDual SIM Standby
eSIM Support *YesNo
Hybrid SlotNoYes
2G BandsGSM850,GSM900,DCS1800,PCS1900GSM 850/900/1800 MHz
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/B28B)
5G SupportYesYes

Sound

Speakers n/a Stereo
3.5 mm Jack No No
FM Radio No No
Dolby Atmos Yes n/a
Speaker Test
Max Volume
Samsung Galaxy S25
91.7 dB
Vivo iQOO Z9 5G
n/a

Other

Class Flagship Mid-range
Announced January, 2025 yr March, 2024 yr
Release Date February, 2025 yr March, 2024 yr
MSRP ($) 799 n/a
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:

Supports up to 2 eSIMs. The international model has 2 physical SIM slots, while the U.S. model has 1.

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

Results

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

Survey

Which smartphone would you pick?
0 (0%)
0 (0%)
Total Votes: 0

User comments

Share your opinion or ask questions below