Home Phone comparison Samsung Galaxy S25 Ultra and Vivo X100 - Which is better?

Samsung Galaxy S25 Ultra vs Vivo X100

94 out 100
Samsung Galaxy S25 Ultra
VS
81 out 100
Vivo X100
Samsung Galaxy S25 Ultra
Vivo X100

Compared 2 smartphones : Samsung Galaxy S25 Ultra Manufactured in February, 2025, with display 6.9 with chipsetQualcomm Snapdragon 8 Elite, vs Vivo X100, Manufactured in November, 2023 with chipsetMediaTek Dimensity 9300. 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 X100
  • Lighter design: 206g vs 218g
  • 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
- 16/256 GB
- 16/512 GB
- 16/1024 GB

Review

Key Specs Samsung Galaxy S25 Ultra and Vivo X100
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 X100

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 120 Hz
Adaptive refresh rate Yes (1-120 Hz) Yes
Max brightness 2600 nits 3000 nits
HDR support Yes HDR10+ Yes HDR10+
Touch Sampling Rate 240 Hz 300 Hz
Screen-to-body ratio 92.4 % 90 %
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 X100
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) 164.05 mm (6.46 in)
Width 77.6 mm (3.06 in) 75.19 mm (2.96 in)
Thickness 8.2 mm (0.32 in) 8.49 mm (0.33 in)
Weight 218 g (7.69 oz) 206 g (7.27 oz)
Water resistance IP68 IP68
Cooling system Vapor chamber Vapor chamber
Back panel Glass Glass
Frame Metal Metal
Colors - Black
- Silver
- Gray
- Blue		 - White
- Black
- Blue
- Red
Fingerprint sensor Yes In-Display Yes In-Display
Screen-to-body ratio
Samsung Galaxy S25 Ultra
92.4 %
Vivo X100
90 %

Performance

Testing Samsung Galaxy S25 Ultra and Vivo X100 In benchmarks
Processor
Chipset Qualcomm Snapdragon 8 Elite MediaTek Dimensity 9300
Max Frequency 4470 MHz 3250 MHz
CPU Cores 8 (2 + 6) 8 (1 + 3 + 4)
Architecture - 6/3.53 (Oryon (Phoenix M))
- 2/4.32 (Oryon (Phoenix L))		 - 4/2 (Cortex-A720)
- 3/2.85 (Cortex-X4)
- 1/3.25 (Cortex-X4)
Process TSMC TSMC
Transistor Size 3 nm 4 nm
Neural Processor Hexagon MediaTek APU 790
Graphics Adreno 830 Mali-G720 Immortalis MP12
GPU Cores 1536 1536
GPU Frequency 1100 MHz 1300 MHz
FLOPS 3379.2 GFLOPS 3993.6 GFLOPS
GeekBench v6
Geekbench 6 (Single-Core)
Samsung Galaxy S25 Ultra
3147
Vivo X100
2201
Geekbench 6 (Multi-Core)
Samsung Galaxy S25 Ultra
9750
Vivo X100
7468
Geekbench 6 (Single-Core)31472201
Geekbench 6 (Multi-Core)97507468
Geekbench Compute (GPU)25681n/a
Sources: Geekbench v6 [Samsung Galaxy S25 Ultra], [Vivo X100]
AnTuTu 10
AnTuTu 10
Samsung Galaxy S25 Ultra
2795139
Vivo X100
2060914
CPU659871495541
GPU1294167863591
Memory471319354043
UX369782347739
NanoReview Score27951392060914
3DMark Wild Life
3DMark Wild Life
Samsung Galaxy S25 Ultra
n/a
Vivo X100
15923
Stabilityn/a38 %
Graphics Testn/a95 fps
Graphics Scoren/a15923
Sources: 3DMark [Vivo X100]
PCMark 3.0
PCMark 3.0
Samsung Galaxy S25 Ultra
n/a
Vivo X100
14065
Writing scoren/a22958
Web scoren/a11755
Video editingn/a5645
Data manipulationn/a12523
NanoReview Scoren/a14065

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
- 1024 GB
Storage TypeUFS 4.0UFS 4.0
Memory CardNoNo

Software

OS Android 15 Android 14 (Upgradeable to Android 15)
OS Size 30.4 GB n/a
UI Skin One UI 7.0 Funtouch 15

Battery

Volume 5000 mAh 5000 mAh
Max Charging Power 45 W 120 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 11 min)
Full Charge Time 0:59 h 0:21 h
Battery Life Test
Battery Life
Samsung Galaxy S25 Ultra
31:10
Vivo X100
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 Optical, 3x
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) 960 fps (1080p)
Wide-angle lens 120 ° 119 °
Lenses count Standard: 200 MP
Telephoto: 50 MP
Telephoto: 12 MP
Ultra-wide: 50 MP		 Standard: 50 MP
Telephoto: 64 MP
Ultra-wide: 50 MP
Features - Bokeh effect
- Pro mode
- RAW support		 - Bokeh effect
- Pro mode
- RAW support
Main lens
Matrix200 MP50 MP
Aperturef/1.7f/1.6
Focal length23 mmn/a
SensorSamsung ISOCELL S5KHP2Sony IMX920
Sensor size1/1.31/1.49
Pixel size0.6 μm1.2 μm
AutofocusPhase autofocusLaser autofocus
StabilizationOpticalOptical
Telephoto
Matrix50 MP64 MP
Aperturef/3.4f/2.6
Focal length111 mm70 mm
SensorSony IMX854Omnivision OV64B
Sensor size1/2.521/2.0
Pixel size0.7 μm0.7 μm
StabilizationOpticalOptical
Ultra-wide lens
Matrix50 MP50 MP
Aperturef/1.9f/2.0
Focal length13 mm15 mm
SensorSamsung ISOCELL S5KJN3Samsung S5KJN1
Sensor size1/2.51/2.76
Pixel size0.7 μm0.64 μm
StabilizationDigitalDigital
Main camera DxOMark results
Photo quality
Samsung Galaxy S25 Ultra
144
Vivo X100
n/a
Video quality
Samsung Galaxy S25 Ultra
143
Vivo X100
n/a
Overall camera score
Samsung Galaxy S25 Ultra
146
Vivo X100
n/a
Bokeh70n/a
Preview81n/a
Zoom149n/a
Sources: DxOMark [Samsung Galaxy S25 Ultra]

Front camera

Matrix 12 MP 32 MP
Photo resolution 4000x3000 pixels 6528x4896 pixels
Aperture f/2.2 f/2.0
Focal length 26 mm 20 mm
Sensor Samsung S5K3LU Samsung S5KGD2
Sensor size 1/3.2 1/2.8
Pixel size 1.12 μm 0.8 μm
Autofocus Phase autofocus (Dual Pixel) No
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 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
- NAVIC
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 850/900/1800/1900MHz
3G BandsUMTS B1(2100),B2(1900),B4(AWS),B5(850),B8(900)WCDMA B1/B2/B4/B5/B8/B6/B19
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/B2/B3/B4/B5/B7/B8/B18/B19/B26/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 X100
n/a

Other

Class Flagship Flagship
Announced January, 2025 yr November, 2023 yr
Release Date February, 2025 yr November, 2023 yr
Launch Price ($) 1299 569
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 120 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.

Vivo X100:

The top version with 16 GB of RAM comes with LPDDR5T memory type, while the others utilize LPDDR5X.

* 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.

Survey

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