Xiaomi 17 Ultra 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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| Xiaomi 17 Ultra | vivo X300 Ultra |
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Released
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Dec 27, 2025
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Announced
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Mar 30, 2026
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6.9-inch · 2608x1200px
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6.8-inch · 3168x1440px
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Triple camera
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Triple camera
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12GB · 512GB
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12GB · 256GB
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6800 mAh
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6600 mAh
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| Check Accessories | Check Accessories |
Availability
| Officially announced | |
|---|---|
| Dec 25, 2025 | Mar 30, 2026 |
| Prices (MSRP) | |
| 16GB/512GB - €1499 | |
Design
| Dimensions | |
|---|---|
| 6.41 x 3.06 x 0.33 inches 162.9 x 77.6 x 8.5 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 | |
| 8.11 oz / 230.0 g | 8.18 oz / 232.0 g |
| Materials | |
| Back: Plastic 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 | |
| Black, White, Starry Green, Purple | Black, White, Soft Green |
Display
| Size | |
|---|---|
| 6.9-inch, 93.16% screen-to-body | 6.8-inch, 90.04% screen-to-body |
| Type | |
| AMOLED, 120Hz, Dolby Vision, 3500 nits | AMOLED, 144Hz, HDR |
| Resolution | |
| 2608x1200px, 19.5:5 ratio, 416 PPI | 3168x1440px, 19.8:9 ratio, 510 PPI |
| Features | |
| Ambient light sensor, Proximity sensor | |
PhoneArena Display Test
| Bright Max (20% APL) | |
|---|---|
| 3515 (Excellent) | Untested |
| Bright Min | |
| 1 (Excellent) | Untested |
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/512GB (UFS 4.1) 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 | |
|---|---|
| 3525 | Untested |
| GeekBench 6 Multi | |
| 10545 | Untested |
| 3D Mark High | |
| 6305 | Untested |
| 3D Mark Low | |
| 3899 | Untested |
Learn more on our
PhoneArena Performance Test Results page.
Battery
| Type | |
|---|---|
| 6800 mAh, Si - Carbon | 6600 mAh, Si - Carbon |
| Charging | |
| Fast charging Qi wireless charging, Reverse wireless charging, Reverse wired charging | Qi wireless charging, Reverse wired charging |
| Charge speed | |
| Wired: 90.0W Wireless: 50.0W |
Wired: 100.0W Wireless: 40.0W |
Battery Life Estimate
9h 2min
Browsing
22h 39min
Video
14h 9min
Gaming
7h 10min
Battery Life Estimate
Untested
Browsing
Untested
Video
Untested
Gaming
Untested
Camera
| Rear | |
|---|---|
| Triple camera | Triple camera |
| Main camera | |
| 50 MP Aperture size: F1.7 Focal length: 23 mm Sensor size: 1" |
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 (Ultra-wide) Aperture size: F2.2 Focal Length: 14 mm Sensor size: 1/2.76" Pixel size: 0.64 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) Optical zoom: 4.2x Aperture size: F2.4/F3.0 Focal Length: 100 mm Sensor size: 1/1.4" Pixel size: 0.56 μm | 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 |
| Fourth camera | |
| ToF 3D depth sensing | |
| Flash | |
| LED | LED |
| Video recording | |
| 8K UHD (30 fps), 4K UHD (120 fps) | 8K UHD (30 fps), 4K UHD (120 fps), 1080p (240 fps) OIS, HDR |
| Front | |
| 50 MP | 50 MP Video capture: 4K UHD (60 fps) |
155
Overall
163
Photo
147
Video
N/A
Overall
N/A
Photo
N/A
Video
Connectivity & Features
| Bluetooth | |
|---|---|
| 5.4 | 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 3.2 | Type-C, USB 3.2 |
| Sensors | |
| Accelerometer, Gyroscope, Compass, Barometer, Emergency SOS via satellite (SMS sending/receiving), 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, QZSS, NavIC, 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 | |
|---|---|
| n1, n2, n3, n5, n7, n8, n12, n20, n25, n26, n28, n38, n40, n41, n48, n66, n77, n78, n80, n84, SA, NSA | 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 | 1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 25, 26, 28, 66 |
| TDD Bands | |
| 34, 38, 39, 40, 41, 42, 48 | 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 | |
| eSIM, Dual Nano SIM | Dual Nano SIM |
Discover more
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