Samsung
Galaxy Z Fold8 vs Galaxy S25 Ultra
Device summary
Samsung
Galaxy S25 Ultra
Full specifications
| Basic information | ||
|---|---|---|
| Release year | 2026 | 2025 |
| Starting price | $1,900 | $1,300 |
| Display size | 7.6-inch | 6.9-inch |
| Dimensions | 81.9 mm × 123.9 mm × 9.7 mm | 77.6 mm × 162.8 mm × 8.2 mm |
| Weight | 201 g | 218 g |
| Front material | Corning Gorilla Glass Ceramic 3 | Corning Gorilla Armor 2 |
| Back material | Corning Gorilla Glass Victus 2 | — |
| Display | ||
| Cover display size | 5.5" | — |
| Display technology | Dynamic AMOLED 2X | Dynamic AMOLED 2X |
| Cover display technology | Dynamic AMOLED 2X | — |
| Resolution | 2448 × 1848 | — |
| Cover resolution | 1972 × 1248 | — |
| Refresh rate | 120 Hz | 120 Hz |
| Cover refresh rate | 120 Hz | — |
| Peak brightness | 3000 nits | — |
| Protection | Flex Titanium (main) | Corning Gorilla Armor 2 |
| Performance | ||
| Chipset | Snapdragon 8 Elite Gen 5 for Galaxy | Snapdragon 8 Elite for Galaxy |
| RAM | 12 GB, 16 GB | 12 GB |
| Storage | 256 GB, 512 GB, 1024 GB | 256 GB, 512 GB, 1024 GB |
| Expandable storage | No | No |
| Cameras | ||
| Main camera | Wide · 50 MP · ƒ/1.8 · 2x Optical Quality Zoom · OIS | Wide · 200 MP · ƒ/1.7 · OIS |
| Ultra-wide camera | Ultra Wide · 50 MP · ƒ/1.9 | Ultra Wide · 50 MP · ƒ/1.9 |
| Telephoto camera | — | Telephoto · 10 MP · ƒ/2.4 · 3x Optical Zoom · OIS |
| Rear camera 4 | — | Telephoto · 50 MP · ƒ/3.4 · 5x Optical Zoom · OIS |
| Front cameras | Cover selfie · 10 MP · ƒ/2.2; Inner selfie · 10 MP · ƒ/2.2 | Front · 12 MP · ƒ/2.2 |
| Battery & charging | ||
| Typical capacity | 4800 mAh | 5000 mAh |
| Rated capacity | 4660 mAh | 4855 mAh |
| Wired charging | 45 W | 45 W |
| Wireless charging | 20 W | — |
| Charging standard | 45W wired charging, Fast Wireless Charging 20W, Wireless PowerShare | Fast Wireless Charging 2.0, Wireless PowerShare |
| Connectivity | ||
| Cellular | 5G, LTE | 5G, LTE |
| Wi‑Fi | Wi‑Fi 7 | Wi‑Fi 7 |
| Bluetooth | Bluetooth 6.0 | Bluetooth 5.4 |
| USB | USB‑C | USB‑C |
| NFC | — | Yes |
| eSIM | — | Yes |
| Build & durability | ||
| Frame | Armor Aluminum | Titanium |
| Ingress protection | IP48 | IP68 |
Basic information
Release year
- Galaxy Z Fold8
- 2026
- Galaxy S25 Ultra
- 2025
Starting price
- Galaxy Z Fold8
- $1,900
- Galaxy S25 Ultra
- $1,300
Display size
- Galaxy Z Fold8
- 7.6-inch
- Galaxy S25 Ultra
- 6.9-inch
Dimensions
- Galaxy Z Fold8
- 81.9 mm × 123.9 mm × 9.7 mm
- Galaxy S25 Ultra
- 77.6 mm × 162.8 mm × 8.2 mm
Weight
- Galaxy Z Fold8
- 201 g
- Galaxy S25 Ultra
- 218 g
Front material
- Galaxy Z Fold8
- Corning Gorilla Glass Ceramic 3
- Galaxy S25 Ultra
- Corning Gorilla Armor 2
Back material
- Galaxy Z Fold8
- Corning Gorilla Glass Victus 2
- Galaxy S25 Ultra
- —
Display
Cover display size
- Galaxy Z Fold8
- 5.5"
- Galaxy S25 Ultra
- —
Display technology
- Galaxy Z Fold8
- Dynamic AMOLED 2X
- Galaxy S25 Ultra
- Dynamic AMOLED 2X
Cover display technology
- Galaxy Z Fold8
- Dynamic AMOLED 2X
- Galaxy S25 Ultra
- —
Resolution
- Galaxy Z Fold8
- 2448 × 1848
- Galaxy S25 Ultra
- —
Cover resolution
- Galaxy Z Fold8
- 1972 × 1248
- Galaxy S25 Ultra
- —
Refresh rate
- Galaxy Z Fold8
- 120 Hz
- Galaxy S25 Ultra
- 120 Hz
Cover refresh rate
- Galaxy Z Fold8
- 120 Hz
- Galaxy S25 Ultra
- —
Peak brightness
- Galaxy Z Fold8
- 3000 nits
- Galaxy S25 Ultra
- —
Protection
- Galaxy Z Fold8
- Flex Titanium (main)
- Galaxy S25 Ultra
- Corning Gorilla Armor 2
Performance
Chipset
- Galaxy Z Fold8
- Snapdragon 8 Elite Gen 5 for Galaxy
- Galaxy S25 Ultra
- Snapdragon 8 Elite for Galaxy
RAM
- Galaxy Z Fold8
- 12 GB, 16 GB
- Galaxy S25 Ultra
- 12 GB
Storage
- Galaxy Z Fold8
- 256 GB, 512 GB, 1024 GB
- Galaxy S25 Ultra
- 256 GB, 512 GB, 1024 GB
Expandable storage
- Galaxy Z Fold8
- No
- Galaxy S25 Ultra
- No
Cameras
Main camera
- Galaxy Z Fold8
- Wide · 50 MP · ƒ/1.8 · 2x Optical Quality Zoom · OIS
- Galaxy S25 Ultra
- Wide · 200 MP · ƒ/1.7 · OIS
Ultra-wide camera
- Galaxy Z Fold8
- Ultra Wide · 50 MP · ƒ/1.9
- Galaxy S25 Ultra
- Ultra Wide · 50 MP · ƒ/1.9
Telephoto camera
- Galaxy Z Fold8
- —
- Galaxy S25 Ultra
- Telephoto · 10 MP · ƒ/2.4 · 3x Optical Zoom · OIS
Rear camera 4
- Galaxy Z Fold8
- —
- Galaxy S25 Ultra
- Telephoto · 50 MP · ƒ/3.4 · 5x Optical Zoom · OIS
Front cameras
- Galaxy Z Fold8
- Cover selfie · 10 MP · ƒ/2.2; Inner selfie · 10 MP · ƒ/2.2
- Galaxy S25 Ultra
- Front · 12 MP · ƒ/2.2
Battery & charging
Typical capacity
- Galaxy Z Fold8
- 4800 mAh
- Galaxy S25 Ultra
- 5000 mAh
Rated capacity
- Galaxy Z Fold8
- 4660 mAh
- Galaxy S25 Ultra
- 4855 mAh
Wired charging
- Galaxy Z Fold8
- 45 W
- Galaxy S25 Ultra
- 45 W
Wireless charging
- Galaxy Z Fold8
- 20 W
- Galaxy S25 Ultra
- —
Charging standard
- Galaxy Z Fold8
- 45W wired charging, Fast Wireless Charging 20W, Wireless PowerShare
- Galaxy S25 Ultra
- Fast Wireless Charging 2.0, Wireless PowerShare
Connectivity
Cellular
- Galaxy Z Fold8
- 5G, LTE
- Galaxy S25 Ultra
- 5G, LTE
Wi‑Fi
- Galaxy Z Fold8
- Wi‑Fi 7
- Galaxy S25 Ultra
- Wi‑Fi 7
Bluetooth
- Galaxy Z Fold8
- Bluetooth 6.0
- Galaxy S25 Ultra
- Bluetooth 5.4
USB
- Galaxy Z Fold8
- USB‑C
- Galaxy S25 Ultra
- USB‑C
NFC
- Galaxy Z Fold8
- —
- Galaxy S25 Ultra
- Yes
eSIM
- Galaxy Z Fold8
- —
- Galaxy S25 Ultra
- Yes
Build & durability
Frame
- Galaxy Z Fold8
- Armor Aluminum
- Galaxy S25 Ultra
- Titanium
Ingress protection
- Galaxy Z Fold8
- IP48
- Galaxy S25 Ultra
- IP68
Key differences
The most meaningful measured gaps in size and weight — not an overall winner.
Height
Galaxy S25 Ultra
38.9 mm taller
Width
Galaxy Z Fold8
4.3 mm wider
Weight
Galaxy Z Fold8
17 g lighter
Thickness
Galaxy S25 Ultra
1.5 mm thinner
User Experience Summary
Galaxy S25 Ultra
Strengths
- Gorilla Armor anti-reflective display for outdoor clarity
- Versatile cameras with 5x periscope and 200MP main
- S Pen productivity and titanium durability
Compromises
- Heavy, wide chassis limits one-handed and pocket comfort
- 45W charging not class-leading
- Fingerprint sensor occasionally inconsistent