vivo X300 Ultra vs Samsung Galaxy S26 Ultra
The vivo X300 Ultra scores 8.4 in our rating, and the Samsung Galaxy S26 Ultra scores 8.1. The vivo X300 Ultra leads in display and battery, while the Samsung Galaxy S26 Ultra is ahead in camera and software support. The vivo X300 Ultra is the newer phone, announced Mar 30, 2026.
Key differences
Why choose the vivo X300 Ultra
- Bigger battery 6,600 mAh vs 5,000 mAh
- Faster wired charging 100 W vs 60 W
- Brighter screen 4,500 nits vs 2,600 nits
- Higher refresh rate 144 Hz vs 120 Hz
- Better water resistance IP68 + IP69 vs IP68
- Newer model Mar 30, 2026 vs Feb 25, 2026
Why choose the Samsung Galaxy S26 Ultra
- Bigger screen 6.9 inches vs 6.82 inches
- Longer OS update support 7 years vs 5 years
- Lighter 214 g vs 237 g
- Thinner 7.9 mm vs 8.49 mm
- Higher-resolution video 8K@30 vs 4K@120
PhoneRanked scores
Calculated from specs, relative to phones from the same year and price range. How we rate phones
Value for money marked “est.” is an estimate: that phone has no official US launch price, so it is not highlighted against the others.
Spec
vivo X300 UltraSamsung Galaxy S26 Ultra
Overall
8.4
8.1
Display
9.0
8.4
Performance
9.0
9.0
Camera
8.1
8.7
Battery
8.3
6.5
Design
8.6
8.6
Software support
8.4
9.2
Value for money
6.0 est.
5.9
Display
Spec
vivo X300 UltraSamsung Galaxy S26 Ultra
Size
6.82 inches
6.9 inches
Type
OLED, 2K ZEISS Master Color Display
OLED, Dynamic AMOLED 2X
Resolution
1440 × 3168 px
1440 × 3120 px
Pixel density
510 ppi
—
Refresh rate
144 Hz
120 Hz
Adaptive refresh
✓ Yes
✓ Yes
Peak brightness
4,500 nits
2,600 nits
HDR
—
HDR10+
Protection
Armor Glass
Corning Gorilla Armor 2
Performance
Spec
vivo X300 UltraSamsung Galaxy S26 Ultra
Process
3 nm
3 nm
Max CPU clock
4.6 GHz
—
GPU
Adreno 840
Adreno 840
RAM
16 GB
12 GB / 16 GB
Storage
512 GB / 1 TB
256 GB / 512 GB / 1 TB
Storage type
UFS 4.1
UFS 4.0
microSD slot
✕ No
✕ No
Cameras
Spec
vivo X300 UltraSamsung Galaxy S26 Ultra
Main camera
200 MP, f/1.85, 1/1.12"
200 MP, f/1.4, 1/1.3"
Optical stabilization
✓ Yes
✓ Yes
Ultrawide
50 MP
50 MP
Telephoto
200 MP, periscope
50 MP, 5× optical, periscope
Optical zoom
—
5×
Rear cameras
3
4
Rear video
4K@120
8K@30
Front camera
50 MP
12 MP
Battery and charging
Spec
vivo X300 UltraSamsung Galaxy S26 Ultra
Capacity
6,600 mAh
5,000 mAh
Battery type
Li-Ion
Li-Ion
Wired charging
100 W
60 W
Wireless charging
40 W
25 W
Reverse wireless
—
✓ Yes
Charger in box
✓ Yes
✕ No
Design and build
Spec
vivo X300 UltraSamsung Galaxy S26 Ultra
Dimensions
162.98 × 76.81 × 8.49 mm
163.6 × 78.1 × 7.9 mm
Thickness
8.49 mm
7.9 mm
Weight
237 g
214 g
Form factor
Bar
Bar
Frame
Aluminum
Aluminum
Back
Glass
Glass
Water resistance
IP68 + IP69
IP68
Fingerprint
Under-display ultrasonic
Under-display ultrasonic
3D face unlock
✕ No
✕ No
SIM
Dual Nano-SIM + eSIM
Nano-SIM + eSIM
Colors
Steppe Green, Volcano Black, Alpine White
Cobalt Violet, Sky Blue, Black, White, Silver Shadow, Pink Gold
Connectivity and features
Spec
vivo X300 UltraSamsung Galaxy S26 Ultra
5G
✓ Yes
✓ Yes
Wi-Fi
Wi-Fi 7
Wi-Fi 7
Bluetooth
6.0
6.0
USB
USB-C 3.x
USB-C 3.x
NFC
✓ Yes
✓ Yes
3.5 mm jack
✕ No
✕ No
Stereo speakers
✓ Yes
✓ Yes
Satellite
✕ No
✕ No
IR blaster
✓ Yes
✕ No
Software
Spec
vivo X300 UltraSamsung Galaxy S26 Ultra
OS at launch
Android 16
Android 16
Interface
OriginOS 6
One UI 8.5
OS updates
5 years
7 years
Security updates
7 years
7 years
Launch and price
Spec
vivo X300 UltraSamsung Galaxy S26 Ultra
Announced
Mar 30, 2026
Feb 25, 2026
Released
Apr 3, 2026
Mar 11, 2026
Status
Released
Released
US launch price
—
$1,299.99
Green marks the stronger value in a row. Specs come from official manufacturer data, cross-checked with established tech media; each phone page lists its sources. Report an error
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