OnePlus 15R vs vivo X300 Ultra Specs Comparison
Compare mobile phone specifications of up to three devices at once. Our specs comparison tool helps you find and compare the perfect phone for your needs.
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| OnePlus 15R | vivo X300 Ultra |
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Released
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Dec 22, 2025
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Announced
·
Mar 30, 2026
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6.8-inch · 2800x1272px
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6.8-inch · 3168x1440px
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Dual camera
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Triple camera
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12GB · 256GB
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12GB · 256GB
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7400 mAh
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6600 mAh
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| Check prices | |
| Check Accessories | Check Accessories |
Availability
| Officially announced | |
|---|---|
| Mar 30, 2026 | |
| Prices (MSRP) | |
| 12GB/256GB - €700 | |
Design
| Dimensions | |
|---|---|
| 6.43 x 3.03 x 0.32 inches 163.4 x 77 x 8.1 mm |
6.42 x 3.02 x 0.32 inches (~0.63 inches with camera bump) 162.98 x 76.81 x 8.19 mm (~15.96 mm with camera bump) |
| Weight | |
| 7.51 oz / 213.0 g | 8.18 oz / 232.0 g |
| Materials | |
| Back: Glass Frame: Aluminum | Back: Glass Frame: Aluminum |
| Resistance | |
| Water, Dust; IP69 | Yes; IP69 |
| Biometrics | |
| Ultrasonic in-screen fingerprint | Optical in-screen fingerprint |
| Keys | |
| Right: Volume control, Lock/Unlock key | Right: Volume control, Lock/Unlock key |
| Colors | |
| Charcoal Black, Mint Breeze, Electric Violet | Black, White, Soft Green |
Display
| Size | |
|---|---|
| 6.8-inch, 90.16% screen-to-body | 6.8-inch, 90.04% screen-to-body |
| Type | |
| AMOLED, 165Hz, HDR10+, 3600 nits | AMOLED, 144Hz, HDR |
| Resolution | |
| 2800x1272px, 20:9 ratio, 450 PPI | 3168x1440px, 19.8:9 ratio, 510 PPI |
| Protection | |
| Corning Gorilla Glass 7i | |
PhoneArena Display Test
| Bright Max (20% APL) | |
|---|---|
| 3507 (Excellent) | Untested |
| Bright Min | |
| 1.9 (Good) | Untested |
Learn more on our
PhoneArena Display Test Results page.
Hardware
| System chip | |
|---|---|
| Snapdragon 8 Gen 5 (3 nm) | Snapdragon 8 Elite Gen 5 SM8850-AC (3 nm) |
| Processor | |
| Octa-core 2x3.8GHz Oryon V3 Phoenix L 6x3.32GHz Oryon V3 Phoenix M |
Octa-core 2x4.61GHz Oryon V3 Phoenix L 6x3.53GHz Oryon V3 Phoenix M |
| GPU | |
| Adreno 840 | Adreno 840 |
| Memory | |
| 12GB (LPDDR5X)/256GB (UFS 4.0) 12GB/512GB | 12GB (LPDDR5X)/256GB (UFS 4.1) 12GB/512GB 16GB/512GB 16GB/1TB |
| Storage expansion | |
| not expandable | not expandable |
| OS | |
| Android (16) | Android (16) |
PhoneArena Performance Test
| GeekBench 6 Single | |
|---|---|
| 2604 | Untested |
| GeekBench 6 Multi | |
| 6802 | Untested |
| 3D Mark High | |
| 4994 | Untested |
| 3D Mark Low | |
| 3064 | Untested |
Learn more on our
PhoneArena Performance Test Results page.
Battery
| Type | |
|---|---|
| 7400 mAh, Li - Polymer | 6600 mAh, Si - Carbon |
| Charging | |
| Fast charging | Qi wireless charging, Reverse wired charging |
| Charge speed | |
| Wired: 80.0W | Wired: 100.0W Wireless: 40.0W |
Battery Life Estimate
8h 47min
Browsing
18h 10min
Video
13h 0min
Gaming
14h 40min
Battery Life Estimate
Untested
Browsing
Untested
Video
Untested
Gaming
Untested
Camera
| Rear | |
|---|---|
| Dual camera | Triple camera |
| Main camera | |
| 50 MP (OIS, PDAF) Aperture size: F1.8 Focal length: 24 mm Sensor size: 1/1.56" Pixel size: 1.0 μm |
200 MP (OIS, Laser autofocus, PDAF) Sensor name: Sony LYT-901 Aperture size: F1.9 Focal length: 35 mm Sensor size: 1/1.12″ |
| Second camera | |
| 8 MP (Ultra-wide) Aperture size: F2.2 Focal Length: 16 mm Sensor size: 1/4" Pixel size: 1.12 μm |
50 MP (Ultra-wide, OIS, PDAF) Sensor name: Sony LYT-818 Aperture size: F2.0 Focal Length: 14 mm Sensor size: 1/1.28" Pixel size: 1.22 μm |
| Third camera | |
| 200 MP (Telephoto, Periscope, OIS, PDAF) Sensor name: Samsung ISOCELL HP0 Optical zoom: 3.7x Aperture size: F2.7 Focal Length: 85 mm Sensor size: 1/1.4" Pixel size: 0.56 μm |
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| Flash | |
| LED | LED |
| Video recording | |
| 4K UHD (120 fps), 1080p (240 fps) | 8K UHD (30 fps), 4K UHD (120 fps), 1080p (240 fps) OIS, HDR |
| Front | |
| 32 MP Video capture: 4K UHD (30 fps) |
50 MP Video capture: 4K UHD (60 fps) |
130
Overall
139
Photo
122
Video
N/A
Overall
N/A
Photo
N/A
Video
Connectivity & Features
| Bluetooth | |
|---|---|
| 6.0 | 5.4 |
| WLAN | |
| Wi-Fi 6,Wi-Fi 7 Wi-Fi Direct, Hotspot | Wi-Fi 6,Wi-Fi 6E,Wi-Fi 7 MIMO, Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac, ax |
| USB | |
| Type-C, USB 2.0 | Type-C, USB 3.2 |
| Sensors | |
| Accelerometer, Gyroscope, Compass, Ambient light sensor, Proximity sensor | Accelerometer, Gyroscope, Compass, Ambient light sensor, Proximity sensor |
| Hearing aid compatible | |
| M3/T4 | |
| Location | |
| GPS, A-GPS, Glonass, Galileo, BeiDou, Cell ID, Wi-Fi positioning | GPS, A-GPS, Glonass, Galileo, BeiDou, QZSS, Cell ID, Wi-Fi positioning |
| Other | |
| NFC, Infrared | NFC, Infrared |
Multimedia
| Headphones | |
|---|---|
| No 3.5mm jack | No 3.5mm jack |
| Speakers | |
| Earpiece, Multiple speakers | Earpiece, Multiple speakers |
| Screen mirroring | |
| Wireless screen share | |
| Additional microphone(s) | |
| Noise cancellation | |
Cellular
| 5G Bands | |
|---|---|
| 5G Ready | n1, n2, n3, n5, n7, n12, n20, n25, n26, n28, n38, n40, n41, n48, n66, n70, n78, n79, n80 |
| LTE Bands | |
| 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 25, 26, 28, 66 | |
| TDD Bands | |
| 34, 38, 39, 40, 41, 42, 43, 48 | |
| 3G Bands | |
| 1, 2, 4, 5, 6, 8, 19 | |
| Data Speed | |
| LTE-A, HSDPA+ (4G) 42.2 Mbit/s | |
| SIM type | |
| Dual Nano SIM | Dual Nano SIM |
Discover more
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