Samsung
Galaxy S25 Ultra vs X300 Ultra
Device summary
vivo
X300 Ultra
Full specifications
| Basic information | ||
|---|---|---|
| Release year | 2025 | 2026 |
| Starting price | $1,300 | — |
| Display size | 6.9-inch | 6.8-inch |
| Dimensions | 77.6 mm × 162.8 mm × 8.2 mm | 76.8 mm × 163.0 mm × 8.2 mm |
| Weight | 218 g | 232 g |
| Front material | Corning Gorilla Armor 2 | — |
| Back material | — | — |
| Display | ||
| Display technology | Dynamic AMOLED 2X | — |
| Refresh rate | 120 Hz | — |
| Protection | Corning Gorilla Armor 2 | — |
| Resolution | — | 3168 × 1440 |
| Performance | ||
| Chipset | Snapdragon 8 Elite for Galaxy | Snapdragon 8 Elite Gen 5 |
| RAM | 12 GB | 16 GB |
| Storage | 256 GB, 512 GB, 1024 GB | 512 GB |
| Expandable storage | No | — |
| Cameras | ||
| Main camera | Wide · 200 MP · ƒ/1.7 · OIS | Main · 200 MP · ƒ/1.85 · OIS |
| Ultra-wide camera | Ultra Wide · 50 MP · ƒ/1.9 | Ultra Wide · 50 MP · ƒ/2.0 |
| Telephoto camera | Telephoto · 10 MP · ƒ/2.4 · 3x Optical Zoom · OIS | Telephoto · 200 MP · ƒ/2.67 · OIS |
| Rear camera 4 | Telephoto · 50 MP · ƒ/3.4 · 5x Optical Zoom · OIS | — |
| Front cameras | Front · 12 MP · ƒ/2.2 | Front · 50 MP · ƒ/2.45 |
| Battery & charging | ||
| Typical capacity | 5000 mAh | 6600 mAh |
| Rated capacity | 4855 mAh | 6395 mAh |
| Wired charging | 45 W | 100 W |
| Charging standard | Fast Wireless Charging 2.0, Wireless PowerShare | — |
| Connectivity | ||
| Cellular | 5G, LTE | 5G, LTE |
| Wi‑Fi | Wi‑Fi 7 | Wi‑Fi 6E |
| Bluetooth | Bluetooth 5.4 | Bluetooth 6.0 |
| USB | USB‑C | USB 3.2 |
| NFC | Yes | — |
| eSIM | Yes | — |
| Build & durability | ||
| Frame | Titanium | — |
| Ingress protection | IP68 | — |
Basic information
Release year
- Galaxy S25 Ultra
- 2025
- X300 Ultra
- 2026
Starting price
- Galaxy S25 Ultra
- $1,300
- X300 Ultra
- —
Display size
- Galaxy S25 Ultra
- 6.9-inch
- X300 Ultra
- 6.8-inch
Dimensions
- Galaxy S25 Ultra
- 77.6 mm × 162.8 mm × 8.2 mm
- X300 Ultra
- 76.8 mm × 163.0 mm × 8.2 mm
Weight
- Galaxy S25 Ultra
- 218 g
- X300 Ultra
- 232 g
Front material
- Galaxy S25 Ultra
- Corning Gorilla Armor 2
- X300 Ultra
- —
Back material
- Galaxy S25 Ultra
- —
- X300 Ultra
- —
Display
Display technology
- Galaxy S25 Ultra
- Dynamic AMOLED 2X
- X300 Ultra
- —
Refresh rate
- Galaxy S25 Ultra
- 120 Hz
- X300 Ultra
- —
Protection
- Galaxy S25 Ultra
- Corning Gorilla Armor 2
- X300 Ultra
- —
Resolution
- Galaxy S25 Ultra
- —
- X300 Ultra
- 3168 × 1440
Performance
Chipset
- Galaxy S25 Ultra
- Snapdragon 8 Elite for Galaxy
- X300 Ultra
- Snapdragon 8 Elite Gen 5
RAM
- Galaxy S25 Ultra
- 12 GB
- X300 Ultra
- 16 GB
Storage
- Galaxy S25 Ultra
- 256 GB, 512 GB, 1024 GB
- X300 Ultra
- 512 GB
Expandable storage
- Galaxy S25 Ultra
- No
- X300 Ultra
- —
Cameras
Main camera
- Galaxy S25 Ultra
- Wide · 200 MP · ƒ/1.7 · OIS
- X300 Ultra
- Main · 200 MP · ƒ/1.85 · OIS
Ultra-wide camera
- Galaxy S25 Ultra
- Ultra Wide · 50 MP · ƒ/1.9
- X300 Ultra
- Ultra Wide · 50 MP · ƒ/2.0
Telephoto camera
- Galaxy S25 Ultra
- Telephoto · 10 MP · ƒ/2.4 · 3x Optical Zoom · OIS
- X300 Ultra
- Telephoto · 200 MP · ƒ/2.67 · OIS
Rear camera 4
- Galaxy S25 Ultra
- Telephoto · 50 MP · ƒ/3.4 · 5x Optical Zoom · OIS
- X300 Ultra
- —
Front cameras
- Galaxy S25 Ultra
- Front · 12 MP · ƒ/2.2
- X300 Ultra
- Front · 50 MP · ƒ/2.45
Battery & charging
Typical capacity
- Galaxy S25 Ultra
- 5000 mAh
- X300 Ultra
- 6600 mAh
Rated capacity
- Galaxy S25 Ultra
- 4855 mAh
- X300 Ultra
- 6395 mAh
Wired charging
- Galaxy S25 Ultra
- 45 W
- X300 Ultra
- 100 W
Charging standard
- Galaxy S25 Ultra
- Fast Wireless Charging 2.0, Wireless PowerShare
- X300 Ultra
- —
Connectivity
Cellular
- Galaxy S25 Ultra
- 5G, LTE
- X300 Ultra
- 5G, LTE
Wi‑Fi
- Galaxy S25 Ultra
- Wi‑Fi 7
- X300 Ultra
- Wi‑Fi 6E
Bluetooth
- Galaxy S25 Ultra
- Bluetooth 5.4
- X300 Ultra
- Bluetooth 6.0
USB
- Galaxy S25 Ultra
- USB‑C
- X300 Ultra
- USB 3.2
NFC
- Galaxy S25 Ultra
- Yes
- X300 Ultra
- —
eSIM
- Galaxy S25 Ultra
- Yes
- X300 Ultra
- —
Build & durability
Frame
- Galaxy S25 Ultra
- Titanium
- X300 Ultra
- —
Ingress protection
- Galaxy S25 Ultra
- IP68
- X300 Ultra
- —
Key differences
The most meaningful measured gaps in size and weight — not an overall winner.
Weight
Galaxy S25 Ultra
14 g lighter
Width
Galaxy S25 Ultra
0.8 mm wider · minor difference
Height
Very similar height
Thickness
Very similar thickness
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
X300 Ultra
Strengths
- Class-leading Zeiss imaging with 200 MP main and periscope telephoto
- Sharp 6.82-inch QHD+ AMOLED with adaptive 144 Hz
- Elite Gen 5 speed with 100 W wired and 40 W wireless charging
Compromises
- Heavy 232 g phablet ergonomics versus X300 FE and standard flagships
- OriginOS 6 promotional surfaces at Ultra pricing
- Thermal warmth during sustained 4K video and gaming