Home Phone comparison Samsung Galaxy S25 Ultra and Vivo X300 Ultra - Which is better?

Samsung Galaxy S25 Ultra vs Vivo X300 Ultra

94 out 100
Samsung Galaxy S25 Ultra
VS
94 out 100
Vivo X300 Ultra
Samsung Galaxy S25 Ultra
Vivo X300 Ultra

Compared 2 smartphones : Samsung Galaxy S25 Ultra Manufactured in February, 2025, with display 6.9 with chipsetQualcomm Snapdragon 8 Elite, vs Vivo X300 Ultra, Manufactured in April, 2026with chipsetQualcomm Snapdragon 8 Elite 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 S25 Ultra
  • Larger display: 6.9in
  • Lighter design: 218g vs 232g
  • Built-in eSIM
Reasons to choose Vivo X300 Ultra
  • Higher pixel density: 510ppi
  • Higher refresh rate: 144Hz
  • Higher battery capacity: 6600mAh 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
- 16/512 GB
- 16/1024 GB

Review

Key Specs Samsung Galaxy S25 Ultra and Vivo X300 Ultra
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 X300 Ultra

Display

Display quality comparison
Type Dynamic AMOLED AMOLED
Size 6.9 in 6.82 in
Resolution 1440x3120 pixels 1440x3168 pixels
Aspect ratio 19.5:9 19.8:9
Pixel density 498 ppi 510 ppi
Refresh rate 120 Hz 144 Hz
Adaptive refresh rate Yes (1-120 Hz) Yes
Max brightness 2600 nits 1800 nits
HDR support Yes HDR10+ Yes, Dolby Vision
Touch Sampling Rate 240 Hz n/a
Screen-to-body ratio 92.4 % 90.3 %
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 X300 Ultra
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) 162.98 mm (6.42 in)
Width 77.6 mm (3.06 in) 76.81 mm (3.02 in)
Thickness 8.2 mm (0.32 in) 8.49 mm (0.33 in)
Weight 218 g (7.69 oz) 232 g (8.18 oz)
Water resistance IP68 IP69
Cooling system Vapor chamber Vapor chamber
Back panel Glass Glass
Frame Metal Metal
Colors - Black
- Silver
- Gray
- Blue		 - Black
- Silver
- Green
Fingerprint sensor Yes In-Display Yes, In-Display
Screen-to-body ratio
Samsung Galaxy S25 Ultra
92.4 %
Vivo X300 Ultra
90.3 %

Performance

Testing Samsung Galaxy S25 Ultra and Vivo X300 Ultra In benchmarks
Processor
Chipset Qualcomm Snapdragon 8 Elite Qualcomm Snapdragon 8 Elite Gen 5
Max Frequency 4470 MHz 4600 MHz
CPU Cores 8 (2 + 6) 8 (2 + 6)
Architecture - 6/3.53 (Oryon (Phoenix M))
- 2/4.32 (Oryon (Phoenix L))		 - 6/3.63 (Oryon Gen 3 Performance)
- 2/4.61 (Oryon Gen 3 Prime)
Process TSMC TSMC
Transistor Size 3 nm 3 nm
Neural Processor Hexagon Hexagon
Graphics Adreno 830 n/a
GPU Cores 1536 n/a
GPU Frequency 1100 MHz n/a
FLOPS 3379.2 GFLOPS n/a
GeekBench v6
Geekbench 6 (Single-Core)
Samsung Galaxy S25 Ultra
3147
Vivo X300 Ultra
3621
Geekbench 6 (Multi-Core)
Samsung Galaxy S25 Ultra
9750
Vivo X300 Ultra
10653
Geekbench 6 (Single-Core)31473621
Geekbench 6 (Multi-Core)975010653
Geekbench Compute (GPU)25681n/a
Sources: Geekbench v6 [Samsung Galaxy S25 Ultra], [Vivo X300 Ultra]
AnTuTu 10
AnTuTu 10
Samsung Galaxy S25 Ultra
2795139
Vivo X300 Ultra
4247433
CPU6598711192014
GPU12941671543938
Memory471319525105
UX369782986376
NanoReview Score27951394247433

Memory

RAM
RAM Size - 12 GB
- 16 GB		 12 GB
Memory Type LPDDR5X LPDDR5X
Memory Frequency 5333 MHz 5333 MHz
Channels 2 4
Storage
Storage Capacity- 256 GB
- 512 GB
- 1024 GB		256 GB
Storage TypeUFS 4.0UFS 4.1
Memory CardNoNo

Software

OS Android 15 Android 16
OS Size 30.4 GB n/a
UI Skin One UI 7.0 OriginOS 6

Battery

Volume 5000 mAh 6600 mAh
Max Charging Power 45 W 100 W
Battery Type Li-ion Silicon Carbon (Si/C)
Removable No No
Wireless Charging Yes (25 W) Yes (40 W)
Reverse Charging Yes (Wireless) Yes
Fast Charging Yes (72% in 30 min) Yes
Full Charge Time 0:59 h n/a
Battery Life Test
Battery Life
Samsung Galaxy S25 Ultra
31:10
Vivo X300 Ultra
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 200 MP
Photo resolution 16320x12240 pixels n/a
Zoom Optical, 5x Optical, 3.7x
Flash LED Dual LED
Stabilization Optical Optical
8K Recording Yes (Up to 30 fps) Yes (Up to 30 fps)
4K Recording Yes (Up to 120 fps) Yes (Up to 120 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 ° 116 °
Lenses count Standard: 200 MP
Telephoto: 50 MP
Telephoto: 12 MP
Ultra-wide: 50 MP		 Standard: 200 MP
Telephoto: 200 MP
Ultra-wide: 50 MP
Features - Bokeh effect
- Pro mode
- RAW support		 - Bokeh effect
- Pro mode
- RAW support
Main lens
Matrix200 MP200 MP
Aperturef/1.7f/1.9
Focal length23 mm35 mm
SensorSamsung ISOCELL S5KHP2Sony LYT-901
Sensor size1/1.31/1.12 (0.89)
Pixel size0.6 μm0.7 μm
AutofocusPhase autofocusLaser autofocus
StabilizationOpticalOptical
Telephoto
Matrix50 MP200 MP
Aperturef/3.4f/2.7
Focal length111 mm85 mm
SensorSony IMX854Samsung ISOCELL HPB
Sensor size1/2.521/1.4 (0.71)
Pixel size0.7 μm0.56 μm
StabilizationOpticalOptical
Ultra-wide lens
Matrix50 MP50 MP
Aperturef/1.9f/2.0
Focal length13 mm14 mm
SensorSamsung ISOCELL S5KJN3Sony LYT-818
Sensor size1/2.51/1.28 (0.78)
Pixel size0.7 μm1.22 μm
StabilizationDigitalOptical
Main camera DxOMark results
Photo quality
Samsung Galaxy S25 Ultra
144
Vivo X300 Ultra
n/a
Video quality
Samsung Galaxy S25 Ultra
143
Vivo X300 Ultra
n/a
Overall camera score
Samsung Galaxy S25 Ultra
146
Vivo X300 Ultra
n/a
Bokeh70n/a
Preview81n/a
Zoom149n/a
Sources: DxOMark [Samsung Galaxy S25 Ultra]

Front camera

Matrix 12 MP 50 MP
Photo resolution 4000x3000 pixels 8192x6144 pixels
Aperture f/2.2 f/2.5
Focal length 26 mm 24 mm
Sensor Samsung S5K3LU Samsung ISOCELL JN1
Sensor size 1/3.2 1/2.76 (0.36)
Pixel size 1.12 μm 0.64 μm
Autofocus Phase autofocus (Dual Pixel) Phase autofocus
Stabilization Digital Digital
Video resolution 2160p (4K) at 60 fps 2160p (4K) at 60 fps
TOF 3D sensor No No

Connectivity

Wi-Fi version Wi-Fi 7 (802.11 a/b/g/n/ac/ax/be) 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 5.4 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
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, PCS1900n/a
3G BandsUMTS B1(2100),B2(1900),B4(AWS),B5(850),B8(900)n/a
LTE Bands*LTE (B1/B2/B3/B4/B5/B7/B8/B12/B13/B14/B18/B19/B20/B25/B26/B28/B29/B30/B66/B71)n/a
5G SupportYesYes

Sound

Speakers Stereo n/a
3.5 mm Jack No No
FM Radio No No
Dolby Atmos Yes Yes
Speaker Test
Max Volume
Samsung Galaxy S25 Ultra
93 dB
Vivo X300 Ultra
n/a

Other

Class Flagship Flagship
Announced January, 2025 yr March, 2026 yr
Release Date February, 2025 yr April, 2026 yr
Launch Price ($) 1299 n/a
MSRP ($) n/a 1199
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

No clear favorite identified yet; updates may follow as new data arrives.

Survey

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2 (33.33%)
4 (66.67%)
Total Votes: 6

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