Samsung Galaxy Z Fold 8 Ultra vs S25 Ultra

Here we compared two flagship smartphones: the 8-inch Samsung Galaxy Z Fold 8 Ultra (with Qualcomm Snapdragon 8 Elite Gen 5) that was released on July 22, 2026, against the Samsung Galaxy S25 Ultra, which is powered by Qualcomm Snapdragon 8 Elite and came out 1 year and 6 months before. 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 Z Fold 8 Ultra
  • Has a 1.1 inches larger screen size
  • Delivers 110% higher peak brightness (3003 against 1428 nits)
  • Newer Bluetooth version (v6.0)
  • The phone is 1 year and 6 months newer
  • 10% better performance in AnTuTu Benchmark (3453K versus 3128K)
  • More recent OS version: Android 17 versus 16
  • 15% faster in single-core GeekBench 6 test: 3681 and 3202 points
Reasons to consider the Samsung Galaxy S25 Ultra
  • Shows 12% longer battery life (28:43 vs 25:38 hours)
  • The rear camera has a 5x optical zoom
  • Waterproof body (IP68 classification)
  • Better grip in hands – the body is 80.8 mm narrower
  • 18% higher pixel density (498 vs 422 PPI)

Review

Evaluation of Samsung Galaxy Z Fold 8 Ultra and S25 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
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Value for money (Beta)

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Currency
12 / 256 GB
VS
12 / 256 GB

Tests and specifications

Comparison table of technical specifications and tests

Display

Type Dynamic AMOLED Dynamic AMOLED
Size 8 inches 6.9 inches
Resolution 2256 x 2504 pixels 1440 x 3120 pixels
Aspect ratio - 19.5:9
PPI 422 ppi 498 ppi
Refresh rate 120 Hz 120 Hz
Adaptive refresh rate Yes (1-120 Hz) Yes (1-120 Hz)
Max rated brightness in HDR 3000 nits 2600 nits
HDR support Yes, HDR10+ Yes, HDR10+
Touch sampling rate - 240 Hz
Screen protection Corning Gorilla Glass Ceramic 3 Corning Gorilla Armor 2
Screen-to-body ratio 90.1% 92.4%
Display features - DCI-P3
- Always-On Display
- DCI-P3
- Always-On Display
- DC Dimming
Display tests
RGB color space 97.9% 97.7%
PWM 240 Hz 240 Hz
Response time 1 ms 1 ms
Contrast ∞ Infinity ∞ Infinity
Peak brightness test (auto)
3003 nits
1428 nits
Sources: NotebookCheck [3], [4]

Design and build

Height 143.2 mm (5.64 inches) 162.8 mm (6.41 inches)
Width 158.4 mm (6.24 inches) 77.6 mm (3.06 inches)
Thickness 4.1 mm (0.16 inches) 8.2 mm (0.32 inches)
Weight 215 g (7.58 oz) 218 g (7.69 oz)
Waterproof IP48 IP68
Advanced cooling Vapor chamber Vapor chamber
Rear material Glass Glass
Frame material Metal Metal
Colors White, Gray, Purple Black, Silver, Gray, Blue
Fingerprint scanner Yes, in-button Yes, in-display
Repairability - Good (3.23/5)
Drop resistance - Excellent (A) · 270 drops
Screen-to-body ratio

Performance

Chipset specifications of Samsung Galaxy Z Fold 8 Ultra and Samsung Galaxy S25 Ultra
SoC
Chipset Qualcomm Snapdragon 8 Elite Gen 5 Qualcomm Snapdragon 8 Elite
Max clock 4740 MHz 4470 MHz
CPU cores 8 (2 + 6) 8 (2 + 6)
Architecture - 6 cores at 3.63 GHz: Oryon Gen 3 Performance
- 2 cores at 4.61 GHz: Oryon Gen 3 Prime
- 6 cores at 3.53 GHz: Oryon (Phoenix M)
- 2 cores at 4.32 GHz: Oryon (Phoenix L)
L3 cache 12 MB 8 MB
Manufacturing TSMC TSMC
Lithography process 3 nanometers 3 nanometers
Neural processor (NPU) Hexagon Hexagon
GPU
Graphics Adreno 840 Adreno 830
GPU shading units 1536 1536
GPU clock 1200 MHz 1100 MHz
FLOPS ~3686.4 GFLOPS ~3379.2 GFLOPS

Benchmarks

Benchmark comparison of Samsung Galaxy Z Fold 8 Ultra and Samsung Galaxy S25 Ultra
Geekbench 6 (Single-Core)
Geekbench 6 (Multi-Core)
Compute Score (GPU)
Compute Score (GPU) 28320 26581
Single-core score 3681 3202
Multi-core score 10934 10347
Sources: Geekbench [3], [4]
AnTuTu Benchmark 11
CPU 1070366 987646
GPU 1285880 1190760
Memory 407835 362214
UX 689917 587932
Total score 3453998 3128552
Samples Less than 3 [66 tests]
3DMark Steel Nomad Light
Stability - 61%
Graphics test - 17 FPS
Graphics score - 2272
3DMark Solar Bay
Graphics test - 40 FPS
Section 1 - 50 FPS
Section 2 - 40 FPS
Section 3 - 29 FPS
Graphics score - 10441
3DMark Wild Life Extreme
Stability - 56%
Graphics test - 34 FPS
Graphics score - 5827
Sources: 3DMark [5]
Web score - 21582
Video editing - 8625
Photo editing - 34425
Data manipulation - 17556
Writing score - 26844
AnTuTu 11 Ranking List (40th and 73rd place)

Recent User Tests

The latest benchmark tests that have been submitted by users
Samsung Galaxy Z Fold 8 Ultra
DateBenchmarkResult
📘 2026-08-25 (erosado-pr)AnTuTu4017190
Samsung Galaxy S25 Ultra
DateBenchmarkResult
📘 2026-09-06 (Trexsotiy)Battery lifeSOT 12:30 / 03:16
📘 2026-09-02 -> Mohamed_136Battery lifeSOT 8:02 / 17:11
📘 2026-08-29 (PaWK)AnTuTu3034536
📘 2026-08-23 (Apple Slayer)AnTuTu3254557
📘 2026-08-08 (Minh Tùng)AnTuTu2954951

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 4.0
Memory card No No

Software

Operating system Android 17 Android 15 (Can be upgraded to Android 16)
ROM One UI 9 One UI 8.0
OS size - 30.4 GB
OS updates 7 years 7 years
Security updates 7 years 7 years

Battery

Capacity 5000 mAh 5000 mAh
Max charge power 45 W 45 W
Battery type Silicon-Carbon (Si/C) Li-Ion
Replaceable No No
Wireless charging Yes (20 W) Yes (25 W)
Reverse charging Yes, (wireless) Yes, (wireless)
Bypass charging Yes Yes
Fast charging Yes (71% in 30 min) Yes (72% in 30 min)
Full charging time 1:00 hr 0:59 hr
Battery cycles - 2000 cycles
Battery life tests
Web browsing 08:24 hr 11:10 hr
Watching video 18:11 hr 19:32 hr
Gaming 05:07 hr 06:22 hr
Standby 128 hr 132 hr
General battery life
28:43 hr
Smartphones With Long Battery Life (148th and 68th place)

Main camera

Matrix 200 megapixels 200 megapixels
Image resolution 16320 x 12240 16320 x 12240
Zoom Optical, 3x Optical, 5x
Flash LED LED
Stabilization Optical Optical
8K video recording Up to 30FPS Up to 30FPS
4K video recording Up to 120FPS Up to 120FPS
1080p video recording Up to 240FPS Up to 240FPS
Slow motion - 240 FPS (1080p)
Angle of widest lens 120° 120°
Lenses 1) Standard: 200 MP
2) Telephoto: 10 MP
3) Ultrawide: 50 MP
1) Standard: 200 MP
2) Telephoto: 50 MP
3) Telephoto: 10 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 200 MP
Aperture f/1.7 f/1.7
Focal length 24 mm 23 mm
Sensor Samsung ISOCELL HP2 Samsung ISOCELL S5KHP2
Sensor size 1/1.3" (≈ 0.77 inch) 1/1.3" (≈ 0.77 inch)
Pixel size 0.6 micron 0.6 micron
Autofocus Phase autofocus Laser autofocus
Stabilization Optical Optical
Telephoto lens
Image resolution 10 MP 50 MP
Aperture f/2.4 f/3.4
Focal length 67 mm 111 mm
Sensor Samsung S5K3K1 Sony IMX854
Sensor size 1/3.94" (≈ 0.25 inch) 1/2.52" (≈ 0.4 inch)
Pixel size 1 micron 0.7 micron
Stabilization Optical Optical
Ultra-wide lens
Image resolution 50 MP 50 MP
Aperture f/1.9 f/1.9
Focal length - 13 mm
Sensor - Samsung ISOCELL S5KJN3
Sensor size 1/2.5" (≈ 0.4 inch) 1/2.5" (≈ 0.4 inch)
Pixel size 0.7 micron 0.7 micron
Stabilization Digital Digital

DxOMark main camera tests

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

Selfie camera

Megapixels 10 megapixels 12 megapixels
Image resolution 3648 x 2736 4000 x 3000
Aperture f/2.2 f/2.2
Focal length 24 mm 26 mm
Sensor Sony IMX374 Samsung S5K3LU
Sensor size 1/3.0" (≈ 0.33 inch) 1/3.2" (≈ 0.31 inch)
Pixel size 1.12 micron 1.12 micron
Autofocus No Phase autofocus (Dual Pixel)
Stabilization Digital Digital
Video resolution 2160p (4K) at 60 FPS 2160p (4K) at 60 FPS
Additional lens 10 MP, Sony IMX374, f/24, 1/3.0" -
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 6.0 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 Yes, DP 1.2
GPS GPS, GLONASS, Beidou, Galileo, QZSS GPS, GLONASS, Beidou, Galileo, QZSS
NFC* Yes Yes
Infrared port No No
Network
Number of SIM* 1 1
Type of SIM card Nano Nano
Multi SIM mode Standby Standby
eSIM support* Yes Yes
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

Other

Category Flagship Flagship
Announced July 2026 January 2025
Release date July 2026 February 2025
Launch price (MSRP) - $1299
Successor - - Samsung Galaxy S26 Ultra
SAR (head) 0.82 W/kg 1.25 W/kg
SAR (body) 1.17 W/kg 1.42 W/kg
Sensors - Hall-effect sensor
- Barometer
- Proximity sensor
- Gyroscope
- Accelerometer
- Ambient light sensor
- Compass
- Fingerprint
- Hall-effect sensor
- Barometer
- Proximity sensor
- Gyroscope
- Accelerometer
- Ambient light sensor
- Compass
- Fingerprint
Bundled charger Not included Not included
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 battery life and design are more important to you, then choose the Samsung Galaxy S25 Ultra. But if the gaming is more of a priority – go for the Samsung Galaxy Z Fold 8 Ultra.

Cast your vote

So, which phone would you choose?
10 (35.7%)
18 (64.3%)
Total votes: 28

User opinions

You can share your opinion or ask a question in the comments below
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Avatar
AnotherComputerNerd August 12, 2026 at 08:06 PM
So nothing regarding lack of S-Pen for Fold8. Shame. What kind of comparing is this without mentioning one of the strongest point Sx Ultra series exist?
0 Reply
Avatar
ComputerNerd July 24, 2026 at 12:23 AM
The S25 Ultra is still better in the camera department, especially for telephotos, selfies, and video recording. Night photos, software, and 4k TV watching the Z Fold 8 Ultra wins.
+2 Reply