Samsung Galaxy S25 Ultra vs 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.

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Memory

Key differences

An overview of the main advantages of each smartphone
Reasons to consider the Samsung Galaxy S25 Ultra
  • Delivers 22% higher peak brightness (1413 against 1157 nits)
  • Ready for eSIM technology
Reasons to consider the Oppo Find X8 Ultra
  • Comes with 1100 mAh larger battery capacity: 6100 vs 5000 mAh
  • Better camera quality (According to DxOMark rating)
  • 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
  • Faster storage type - UFS 4.1 versus UFS 4.0
  • 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
NanoReview Score
Final comparison evaluation
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Value for money (Beta)

To get an accurate value-for-money index, update the default prices with actual prices from your country’s retailers (for the selected memory configs) and press the "Calculate" button.
Currency
12 / 256 GB
VS
12 / 256 GB
38.2
(Mediocre)
Value Index
34.0
(Mediocre)

Tests and specifications

Comparison table of technical specifications and tests

Display

Type Dynamic AMOLED AMOLED
Size 6.9 inches 6.82 inches
Resolution 1440 x 3120 pixels 1440 x 3168 pixels
Aspect ratio 19.5:9 20:9
PPI 498 ppi 510 ppi
Refresh rate 120 Hz 120 Hz
Adaptive refresh rate Yes (1-120 Hz) Yes (1-120 Hz)
Max rated brightness - 1600 nits
Max rated brightness in HDR 2600 nits 2500 nits
HDR support Yes, HDR10+ Yes, Dolby Vision
Touch sampling rate 240 Hz 240 Hz
Screen protection Corning Gorilla Armor 2 Corning Gorilla Glass
Screen-to-body ratio 92.4% 89.7%
Display features - DCI-P3
- Always-On Display
- DC Dimming
- DCI-P3
- Always-On Display
- DC Dimming
Display tests
RGB color space 97.7% 100%
PWM 240 Hz 121 Hz
Response time 1 ms 1 ms
Contrast ∞ Infinity ∞ Infinity
Peak brightness test (auto)
1413 nits
1157 nits
Sources: NotebookCheck [3], [4]

Design and build

Height 162.8 mm (6.41 inches) 163.09 mm (6.42 inches)
Width 77.6 mm (3.06 inches) 76.8 mm (3.02 inches)
Thickness 8.2 mm (0.32 inches) 8.78 mm (0.35 inches)
Weight 218 g (7.69 oz) 226 g (7.97 oz)
Waterproof IP68 IP69
Advanced cooling Vapor chamber Vapor chamber
Rear material Glass Glass
Frame material Metal Metal
Colors Black, Silver, Gray, Blue White, Black, Pink
Fingerprint scanner Yes, in-display Yes, in-display
Repairability Good (3.23/5) -
Drop resistance Excellent (A) · 270 drops -
Screen-to-body ratio

Performance

Chipset specifications of Samsung Galaxy S25 Ultra and Oppo Find X8 Ultra
SoC
Chipset Qualcomm Snapdragon 8 Elite Qualcomm Snapdragon 8 Elite
Max clock 4470 MHz 4320 MHz
CPU cores 8 (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)
L3 cache 8 MB 8 MB
Manufacturing TSMC TSMC
Lithography process 3 nanometers 3 nanometers
Neural processor (NPU) Hexagon Hexagon
GPU
Graphics Adreno 830 Adreno 830
GPU shading units 1536 1536
GPU clock 1100 MHz 1100 MHz
FLOPS ~3379.2 GFLOPS ~3379.2 GFLOPS

Benchmarks

Benchmark comparison of Samsung Galaxy S25 Ultra and Oppo Find X8 Ultra
Geekbench 6 (Single-Core)
Geekbench 6 (Multi-Core)
Compute Score (GPU)
Compute Score (GPU) 26581 25197
Single-core score 3202 3103
Multi-core score 10347 9772
Sources: Geekbench [3], [4]
AnTuTu Benchmark 11
3183101
CPU 987646 961436
GPU 1190760 1059315
Memory 362214 516419
UX 587932 645931
Total score 3128552 3183101
Samples [66 tests] Less than 3
3DMark Steel Nomad Light
Stability 61% 72%
Graphics test 17 FPS 19 FPS
Graphics score 2272 2512
3DMark Solar Bay
11466
Graphics test 40 FPS 44 FPS
Section 1 50 FPS 49 FPS
Section 2 40 FPS 44 FPS
Section 3 29 FPS 37 FPS
Graphics score 10441 11466
3DMark Wild Life Extreme
Stability 56% 67%
Graphics test 34 FPS 37 FPS
Graphics score 5827 6180
Sources: 3DMark [5], [6]
PCMark 3.0
Web score 21582 21490
Video editing 8625 8016
Photo editing 34425 29166
Data manipulation 17556 17803
Writing score 26844 23531
AnTuTu 11 Ranking List (86th and 78th place)

Recent User Tests

The latest benchmark tests that have been submitted by users
Samsung Galaxy S25 Ultra
DateBenchmarkResult
📘 2026-09-29 (VortexGen)AnTuTu 123414404
📘 2026-09-06 (Trexsotiy)Battery lifeSOT 12:30 / 03:16
📘 2026-09-02 -> Mohamed_136Battery lifeSOT 8:02 / 17:11
📘 2026-08-29 (PaWK)AnTuTu 113034536
📘 2026-08-23 (Apple Slayer)AnTuTu 113254557
Oppo Find X8 Ultra
No benchmark results yet

Memory

RAM
RAM size 12 GB 12 GB
Memory type LPDDR5X LPDDR5X
Memory clock 5300 MHz 5300 MHz
Channels 4 4
Storage
Storage size 256 GB 256 GB
Storage type UFS 4.0 UFS 4.1
Memory card No No

Software

Operating system Android 15 (Can be upgraded to Android 16) Android 15 (Can be upgraded to Android 16)
ROM One UI 8.0 ColorOS 16
OS size 30.4 GB -
OS updates 7 years 4 years
Security updates 7 years 5 years

Battery

Capacity 5000 mAh 6100 mAh
Max charge power 45 W 100 W
Battery type Li-Ion Silicon-Carbon (Si/C)
Replaceable No No
Wireless charging Yes (25 W) Yes (50 W)
Reverse charging Yes, (wireless) Yes, (wireless)
Bypass charging Yes -
Fast charging Yes (72% in 30 min) Yes (58% in 15 min)
Full charging time 0:59 hr 0:37 hr
Battery cycles 2000 cycles -
Battery life tests
Web browsing 11:10 hr 13:45 hr
Watching video 19:32 hr 18:49 hr
Gaming 06:22 hr 06:44 hr
Standby 132 hr 109 hr
General battery life
28:43 hr
28:25 hr

Main camera

Matrix 200 megapixels 50 megapixels
Image resolution 16320 x 12240 8192 x 6144
Zoom Optical, 5x Optical, 6x
Flash LED Dual LED
Stabilization Optical Optical
8K video recording Up to 30FPS No
4K video recording Up to 120FPS Up to 120FPS
1080p video recording Up to 240FPS Up to 120FPS
Slow motion 240 FPS (1080p) 480 FPS (720p)
Angle of widest lens 120° 120°
Lenses 1) Standard: 200 MP
2) Telephoto: 50 MP
3) Telephoto: 10 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 resolution 200 MP 50 MP
Aperture f/1.7 f/1.8
Focal length 23 mm 23 mm
Sensor Samsung ISOCELL S5KHP2 Sony LYT-900
Sensor size 1/1.3" (≈ 0.77 inch) 1/1" (≈ 1 inch)
Pixel size 0.6 micron 1.6 micron
Autofocus Laser autofocus Phase autofocus (Dual Pixel)
Stabilization Optical Optical
Telephoto lens
Image resolution 50 MP 50 MP
Aperture f/3.4 f/2.1
Focal length 111 mm 70 mm
Sensor Sony IMX854 Sony LYT-700C
Sensor size 1/2.52" (≈ 0.4 inch) 1/1.56" (≈ 0.64 inch)
Pixel size 0.7 micron 1 micron
Stabilization Optical Optical
Ultra-wide lens
Image resolution 50 MP 50 MP
Aperture f/1.9 f/2.0
Focal length 13 mm 15 mm
Sensor Samsung ISOCELL S5KJN3 Samsung S5KJN5
Sensor size 1/2.5" (≈ 0.4 inch) 1/2.75" (≈ 0.36 inch)
Pixel size 0.7 micron 0.64 micron
Stabilization Digital Digital

DxOMark main camera tests

Photo quality
Video quality
Generic main camera score
Bokeh 165 175
Preview 81 -
Zoom 137 151
Samples Photo samples of Samsung Galaxy S25 Ultra from DxOMark Photo samples of Oppo Find X8 Ultra from DxOMark

Selfie camera

Megapixels 12 megapixels 32 megapixels
Image resolution 4000 x 3000 6560 x 4928
Aperture f/2.2 f/2.4
Focal length 26 mm 21 mm
Sensor Samsung S5K3LU LYT-506
Sensor size 1/3.2" (≈ 0.31 inch) 1/2.74" (≈ 0.36 inch)
Pixel size 1.12 micron 0.8 micron
Autofocus Phase autofocus (Dual Pixel) Phase autofocus
Stabilization Digital Digital
Video resolution 2160p (4K) at 60 FPS 2160p (4K) at 60 FPS
Depth sensor (TOF 3D) No No

Connectivity

Wi-Fi standard 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
Network
Number of SIM* 1 2
Type of SIM card Nano Nano
Multi SIM mode Standby Standby
eSIM support* Yes No
Hybrid slot No No
5G support Yes Yes

Sound

Speakers Stereo Stereo
Headphone audio jack No No
FM radio No No
Dolby Atmos Yes Yes
Speakers test
Max loudness
93 dB
84.2 dB

Other

Category Flagship Flagship
Announced January 2025 April 2025
Release date February 2025 April 2025
Launch price (MSRP) $1299 $999
Successor - Samsung Galaxy S26 Ultra -
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 charger Not included Yes, 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.

Conclusion

If the camera and battery life are more important to you, then choose the Oppo Find X8 Ultra. But if the software, design, and sound are more of a priority – go for the Samsung Galaxy S25 Ultra.

Cast your vote

So, which phone would you choose?
110 (35.1%)
203 (64.9%)
Total votes: 313

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