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Samsung Galaxy S25 Ultra vs Oppo Find X8 Ultra

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Samsung Galaxy S25 Ultra vs Oppo Find X8 Ultra

94 out of 100
Samsung Galaxy S25 Ultra
VS
93 out of 100
Oppo Find X8 Ultra
Samsung Galaxy S25 Ultra
Oppo Find X8 Ultra

Here we compared two flagship smartphones: the 6.9-inch Samsung Galaxy S25 Ultra (with Qualcomm Snapdragon 8 Elite) that was released on January 22, 2025, against the Oppo Find X8 Ultra, which is powered by the same chip and came out 3 months after. On this page, you will find tests, full specs, strengths, and weaknesses of each of the devices.

  1. Differences
  2. Review
  3. Specs
  4. Benchmarks
  5. Battery life
  6. Camera
  7. Comments

Key differences

An overview of the main advantages of each smartphone
Reasons to consider the Samsung Galaxy S25 Ultra
  • Shows 22% longer battery life (31:10 vs 25:30 hours)
  • Delivers 22% higher peak brightness (1423 against 1168 nits)
  • Ready for eSIM technology
Reasons to consider the Oppo Find X8 Ultra
  • Comes with 1100 mAh larger battery capacity: 6100 vs 5000 mAh
  • The rear camera has a 6x optical zoom
  • Waterproof body (IP69 classification)
  • Supports higher wattage charging (100W versus 45W)
  • Slow-motion recording at 480FPS
  • Has 2 SIM card slots
  • Has a built-in infrared port

Review

Evaluation of Samsung Galaxy S25 Ultra and Oppo Find X8 Ultra crucial features
Display
Screen quality, color accuracy, brightness
Camera
Photo and video recording quality
Performance
CPU and memory performance (apps, system)
Gaming
Capabilities for playing modern games
Battery
Battery life, charging type and speed
Connectivity
Networks, ports, data transmission
Scores with a red asterisk (*) are approximate and may change in the future as we gather more data.
NanoReview Score
Final comparison evaluation
Choose the importance of each parameter to more accurately identify the smartphone that best meets your particular needs.

Tests and specifications

Comparison table of technical specifications and tests
Phone:
Galaxy S25 Ultra
vs
Find X8 Ultra

Display

TypeDynamic AMOLEDAMOLED
Size6.9 inches6.82 inches
Resolution1440 x 3120 pixels1440 x 3168 pixels
Aspect ratio19.5:920:9
PPI498 ppi510 ppi
Refresh rate120 Hz120 Hz
Adaptive refresh rateYes (1-120 Hz)Yes (1-120 Hz)
Max rated brightness2600 nits1600 nits
Max rated brightness in HDR - 2500 nits
HDR supportYes, HDR10+Yes, Dolby Vision
Touch sampling rate240 Hz -
Screen protectionCorning Gorilla Armor 2Corning Gorilla Glass
Screen-to-body ratio92.4%89.7%
Display features - DCI-P3
- Always-On Display
- DC Dimming		 - DCI-P3
- Always-On Display
- DC Dimming
Display tests
RGB color space97.7% -
PWM240 Hz -
Response time1 ms -
Contrast∞ Infinity -
Peak brightness test (auto)
Galaxy S25 Ultra+22%
1423 nits
Find X8 Ultra
1168 nits

Design and build

Height162.8 mm (6.41 inches)163.09 mm (6.42 inches)
Width77.6 mm (3.06 inches)76.8 mm (3.02 inches)
Thickness8.2 mm (0.32 inches)8.78 mm (0.35 inches)
Weight218 g (7.69 oz)226 g (7.97 oz)
WaterproofIP68IP69
Advanced coolingVapor chamberVapor chamber
Rear materialGlassGlass
Frame materialMetalMetal
ColorsBlack, Silver, Gray, BlueWhite, Black, Pink
Fingerprint scannerYes, in-displayYes, in-display
Screen-to-body ratio

Performance

Tests of Samsung Galaxy S25 Ultra and Oppo Find X8 Ultra in the benchmarks
SoC
ChipsetQualcomm Snapdragon 8 EliteQualcomm Snapdragon 8 Elite
Max clock4470 MHz4320 MHz
CPU cores8 (2 + 6)8 (2 + 6)
Architecture- 6 cores at 3.53 GHz: Oryon (Phoenix M)
- 2 cores at 4.32 GHz: Oryon (Phoenix L)		- 6 cores at 3.53 GHz: Oryon (Phoenix M)
- 2 cores at 4.32 GHz: Oryon (Phoenix L)
ManufacturingTSMCTSMC
Lithography process3 nanometers3 nanometers
Neural processor (NPU)HexagonHexagon
GraphicsAdreno 830Adreno 830
GPU shading units15361536
GPU clock1100 MHz1100 MHz
FLOPS~3379.2 GFLOPS~3379.2 GFLOPS

Benchmarks

Geekbench 6 (Single-Core)
Geekbench 6 (Multi-Core)
Geekbench Compute (GPU)2568125197
Single-core score31473103
Multi-core score97509772
AnTuTu Benchmark 10
CPU659871628981
GPU12941671214565
Memory471319507469
UX369782441164
Total score27951392792179
Samples[5 tests]Less than 3

Memory

RAM
RAM size12, 16 GB12, 16 GB
Memory typeLPDDR5XLPDDR5X
Memory clock5333 MHz5333 MHz
Channels22
Storage
Storage size256, 512, 1024 GB256, 512, 1024 GB
Storage typeUFS 4.0UFS 4.0
Memory cardNoNo

Software

Operating systemAndroid 15 Android 15
ROMOne UI 7.0ColorOS 15
OS size30.4 GB -

Battery

Capacity5000 mAh6100 mAh
Max charge power45 W100 W
Battery typeLi-IonSilicon-Carbon (Si/C)
ReplaceableNoNo
Wireless chargingYes (25 W)Yes (50 W)
Reverse chargingYes, (wireless)Yes, (wireless)
Fast chargingYes (72% in 30 min)Yes (58% in 15 min)
Full charging time0:59 hr0:37 hr
Battery life tests
Web browsing11:10 hr11:48 hr
Watching video19:32 hr15:21 hr
Gaming06:22 hr06:29 hr
Standby160 hr109 hr
General battery life
Galaxy S25 Ultra+22%
31:10 hr
Find X8 Ultra
25:30 hr

Main camera

Matrix200 megapixels50 megapixels
Image resolution16320 x 122408192 x 6144
ZoomOptical, 5xOptical, 6x
FlashLEDDual LED
StabilizationOpticalOptical
8K video recordingUp to 30FPSNo
4K video recordingUp to 120FPSUp to 120FPS
1080p video recordingUp to 240FPSUp to 120FPS
Slow motion240 FPS (1080p)480 FPS (720p)
Angle of widest lens120°120°
Lenses1) Standard: 200 MP
2) Telephoto: 50 MP
3) Telephoto: 12 MP
4) Ultrawide: 50 MP
1) Standard: 50 MP
2) Telephoto: 50 MP
3) Telephoto: 50 MP
4) Ultrawide: 50 MP
Camera features - Bokeh mode
- Pro mode
- RAW support		 - Bokeh mode
- Pro mode
- RAW support
Standard lens
Image resolution200 MP50 MP
Aperturef/1.7f/1.8
Focal length23 mm23 mm
SensorSamsung ISOCELL S5KHP2Sony LYT-900
Sensor size1/1.3"1/0"
Pixel size0.6 micron1.6 micron
AutofocusPhase autofocusPhase autofocus (Dual Pixel)
StabilizationOpticalOptical
Telephoto lens
Image resolution50 MP50 MP
Aperturef/3.4f/2.1
Focal length111 mm70 mm
SensorSony IMX854Sony LYT-700C
Sensor size1/2.52"1/1.56"
Pixel size0.7 micron1 micron
StabilizationOpticalOptical
Ultra-wide lens
Image resolution50 MP50 MP
Aperturef/1.9f/2.0
Focal length13 mm15 mm
SensorSamsung ISOCELL S5KJN3Samsung S5KJN5
Sensor size1/2.5"1/2.75"
Pixel size0.7 micron0.64 micron
StabilizationDigitalDigital

DxOMark main camera tests

Photo quality
Video quality
Generic main camera score
Bokeh70 -
Preview81 -
Zoom149 -
SamplesPhoto samples of Samsung Galaxy S25 Ultra from DxOMark -

Selfie camera

Megapixels12 megapixels32 megapixels
Image resolution4000 x 30006560 x 4928
Aperturef/2.2f/2.4
Focal length26 mm21 mm
SensorSamsung S5K3LUSony IMX809
Sensor size1/3.2"1/2.74"
Pixel size1.12 micron0.8 micron
AutofocusPhase autofocus (Dual Pixel)Phase autofocus
StabilizationDigitalDigital
Video resolution2160p (4K) at 60 FPS2160p (4K) at 60 FPS
Depth sensor (TOF 3D)NoNo

Connectivity

Wi-Fi standardWi-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 version5.45.4
Bluetooth featuresLELE
USB typeUSB Type-CUSB Type-C
USB version3.23.2
USB features - Charging
- USB-Storage mode
- OTG		 - Charging
- USB-Storage mode
- OTG
DisplayPortYes, DP 1.2Yes
GPSGPS, GLONASS, Beidou, Galileo, QZSSGPS, GLONASS, Beidou, Galileo, QZSS
NFC*YesYes
Infrared portNoYes
Network
Number of SIM*12
Type of SIM cardNanoNano
Multi SIM modeStandbyStandby
eSIM support*YesNo
Hybrid slotNoNo
5G supportYesYes

Sound

SpeakersStereoStereo
Headphone audio jackNoNo
FM radioNoNo
Dolby AtmosYes -
Speakers test
Max loudness

Other

CategoryFlagshipFlagship
AnnouncedJanuary 2025April 2025
Release dateFebruary 2025April 2025
Launch price$1299 -
Configurations- 12 / 256 GB
- 12 / 512 GB
- 12 / 1024 GB
- 16 / 1024 GB
- 12 / 256 GB
- 16 / 512 GB
- 16 / 1024 GB
SAR (head)1.25 W/kg -
SAR (body)1.42 W/kg -
Sensors - Hall-effect sensor
- Barometer
- Proximity sensor
- Gyroscope
- Accelerometer
- Ambient light sensor
- Compass
- Fingerprint		 - Proximity sensor
- Gyroscope
- Accelerometer
- Ambient light sensor
- Compass
- Fingerprint
Bundled chargerNot includedYes, 100 W
Further details
Notes on 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.
*Disclaimer! NFC, GSM network support, and some other specs can be different depending on the country.
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