vivo X300 E vs OnePlus 15R
The vivo X300 E scores 8.0 in our rating, and the OnePlus 15R scores 8.3. The vivo X300 E leads in camera, while the OnePlus 15R is ahead in software support. The vivo X300 E is the newer phone, announced Jul 27, 2026.
Key differences
Why choose the vivo X300 E
- Faster wired charging 90 W vs 80 W
- Newer model Jul 27, 2026 vs Dec 17, 2025
- Lighter 199.5 g vs 214 g
- Thinner 7.79 mm vs 8.3 mm
- Sharper display 459 ppi vs 450 ppi
Why choose the OnePlus 15R
- Bigger battery 7,400 mAh vs 7,200 mAh
- Silicon-carbon battery
- Bigger screen 6.83 inches vs 6.59 inches
- Higher refresh rate 165 Hz vs 144 Hz
- Better water resistance IP68 + IP69K vs IP68 + IP69
- Higher screen resolution 1272 × 2800 px vs 1260 × 2750 px
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 EOnePlus 15R
Overall
8.0
8.3
Display
8.6
8.5
Performance
8.4
8.4
Camera
7.2
6.5
Battery
7.3
7.3
Design
8.9
8.8
Software support
3.5
7.4
Value for money
5.0 est.
6.4
Display
Spec
vivo X300 EOnePlus 15R
Size
6.59 inches
6.83 inches
Type
OLED, ZEISS Master Color Display
OLED
Resolution
1260 × 2750 px
1272 × 2800 px
Pixel density
459 ppi
450 ppi
Refresh rate
144 Hz
165 Hz
Adaptive refresh
✕ No
✕ No
Peak brightness
5,000 nits
—
HDR
—
HDR10+, HDR Vivid
Protection
—
Gorilla Glass 7i
Performance
Spec
vivo X300 EOnePlus 15R
Process
3 nm
3 nm
Max CPU clock
3.8 GHz
3.8 GHz
GPU
Adreno 829
Adreno 840
RAM
12 GB
12 GB
Storage
256 GB / 512 GB
256 GB / 512 GB
Storage type
UFS 4.1
UFS 4.1
microSD slot
✕ No
✕ No
Cameras
Spec
vivo X300 EOnePlus 15R
Main camera
50 MP, f/1.88, 1/1.56"
50 MP, f/1.8
Optical stabilization
✓ Yes
✓ Yes
Ultrawide
8 MP
8 MP
Telephoto
50 MP, 3× optical, periscope
—
Optical zoom
3×
—
Rear cameras
3
2
Rear video
—
4K@120
Front camera
50 MP
32 MP
Front video
—
4K@30
Battery and charging
Spec
vivo X300 EOnePlus 15R
Capacity
7,200 mAh
7,400 mAh
Battery type
Li-Ion
Silicon-carbon
Wired charging
90 W
80 W
Reverse wireless
✕ No
✕ No
Charger in box
✓ Yes
✓ Yes
Design and build
Spec
vivo X300 EOnePlus 15R
Dimensions
157.52 × 74.33 × 7.79 mm
163.41 × 77.04 × 8.3 mm
Thickness
7.79 mm
8.3 mm
Weight
199.5 g
214 g
Form factor
Bar
Bar
Frame
Aluminum
Aluminum
Back
Glass
Glass
Water resistance
IP68 + IP69
IP68 + IP69K
Fingerprint
Under-display ultrasonic
Under-display ultrasonic
3D face unlock
✕ No
✕ No
SIM
Dual Nano-SIM
Dual Nano-SIM + eSIM
Colors
Sunlight Orange, Midnight Black, Moonlight White
Mint Breeze, Charcoal Black, Electric Violet
Connectivity and features
Spec
vivo X300 EOnePlus 15R
5G
✓ Yes
✓ Yes
Wi-Fi
Wi-Fi 7
Wi-Fi 7
Bluetooth
5.4
6.0
USB
USB-C 2.0
USB-C 2.0
NFC
✓ Yes
✓ Yes
3.5 mm jack
✕ No
✕ No
Stereo speakers
✓ Yes
✓ Yes
Satellite
✕ No
✕ No
IR blaster
✓ Yes
✓ Yes
Software
Spec
vivo X300 EOnePlus 15R
OS at launch
Android 16
Android 16
Interface
OriginOS 6
OxygenOS 16
OS updates
—
4 years
Security updates
—
6 years
Launch and price
Spec
vivo X300 EOnePlus 15R
Announced
Jul 27, 2026
Dec 17, 2025
Released
Jul 31, 2026
Dec 22, 2025
Status
Released
Released
US launch price
—
$699.99
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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