OnePlus 15T 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 15T | vivo X300 Ultra |
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Announced
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Mar 24, 2026
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Released
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Mar 30, 2026
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6.3-inch · 2640x1216px
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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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7500 mAh
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6600 mAh
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| Check Accessories | Check Accessories |
Availability
| Officially announced | |
|---|---|
| Mar 24, 2026 | Mar 30, 2026 |
| Prices (MSRP) | |
| 12GB/256GB - $625 | |
Design
| Dimensions | |
|---|---|
| 5.93 x 2.83 x 0.33 inches (~0.44 inches with camera bump) 150.56 x 71.82 x 8.35 (~11.16 mm with camera bump) |
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 | |
| 6.84 oz / 194.0 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 | Ultrasonic in-screen fingerprint |
| Keys | |
| Left: Other; Right: Volume control, Lock/Unlock key | Right: Volume control, Lock/Unlock key |
| Colors | |
| Relaxing Matcha, Pure Cocoa, Healing White Chocolate | Black, White, Soft Green |
Display
| Size | |
|---|---|
| 6.3-inch, 90.44% screen-to-body | 6.8-inch, 90.04% screen-to-body |
| Type | |
| OLED, 165Hz, HDR, 1800 nits | AMOLED, 144Hz, HDR |
| Resolution | |
| 2640x1216px, 2.17:1 ratio, 460 PPI | 3168x1440px, 19.8:9 ratio, 510 PPI |
PhoneArena Display Test
| Bright Max (20% APL) | |
|---|---|
| Untested | 3300 (Excellent) |
| Bright Min | |
| Untested | 0.81 (Excellent) |
Learn more on our
PhoneArena Display Test Results page.
Hardware
| System chip | |
|---|---|
| Snapdragon 8 Elite Gen 5 SM8850-AC (3 nm) | Snapdragon 8 Elite Gen 5 SM8850-AC (3 nm) |
| Processor | |
| Octa-core 2x4.6GHz Oryon V3 Phoenix L 6x3.62GHz 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 4.1) 12GB/512GB 16GB/256GB 16GB/512GB 16GB/1TB |
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 | |
|---|---|
| Untested | 3493 |
| GeekBench 6 Multi | |
| Untested | 10736 |
| 3D Mark High | |
| Untested | 7380 |
| 3D Mark Low | |
| Untested | 4277 |
Learn more on our
PhoneArena Performance Test Results page.
Battery
| Type | |
|---|---|
| 7500 mAh, Si - Carbon | 6600 mAh, Si - Carbon |
| Charging | |
| Qi wireless charging, Reverse wireless charging | Qi wireless charging, Reverse wired charging |
| Charge speed | |
| Wired: 100.0W Wireless: 50.0W |
Wired: 100.0W Wireless: 40.0W |
Battery Life Estimate
Untested
Browsing
Untested
Video
Untested
Gaming
Untested
Battery Life Estimate
8h 28min
Browsing
20h 19min
Video
11h 54min
Gaming
11h 30min
Camera
| Rear | |
|---|---|
| Dual camera | Triple camera |
| Main camera | |
| 50 MP (OIS, PDAF) Aperture size: F1.8 Focal length: 24 mm |
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 | |
| 50 MP (Telephoto) Optical zoom: 3.5x Aperture size: F2.8 Focal Length: 85 mm |
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 | |
| 8K UHD (30 fps), 4K UHD (120 fps), 1080p (120 fps), 720p (30 fps) | 8K UHD (30 fps), 4K UHD (120 fps), 1080p (240 fps) OIS, HDR |
| Front | |
| 16 MP Video capture: 1080p (30 fps) |
50 MP Video capture: 4K UHD (60 fps) |
N/A
Overall
N/A
Photo
N/A
Video
154
Overall
165
Photo
143
Video
Connectivity & Features
| Bluetooth | |
|---|---|
| 6.0 | 5.4 |
| WLAN | |
| Wi-Fi 6,Wi-Fi 7 MIMO, Wi-Fi Direct, Hotspot 802.11 a, b, g, n, ac, ax | 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 | M3/T4 |
| Location | |
| GPS, A-GPS, Glonass, Galileo, BeiDou, QZSS, NavIC, Cell ID, Wi-Fi positioning | GPS, A-GPS, Glonass, Galileo, BeiDou, QZSS, Cell ID, Wi-Fi positioning |
| Other | |
| NFC | 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 | |
|---|---|
| n1, n2, n3, n5, n7, n8, n26, n28, n38, n40, n41, n48, n66, n77, n78 | 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, 18, 19, 26, 28, 66 | 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 | 34, 38, 39, 40, 41, 42, 43, 48 |
| 3G Bands | |
| 1, 2, 4, 5, 8 | 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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