OnePlus 6 (128GB) vs Xiaomi 14 Ultra (China 512GB)
Side by side comparison between OnePlus 6 vs Xiaomi 14 Ultra phones, differences, pros, cons and full specifications. What's the better?
,
6.28"
AMOLED
AMOLED
1080x2280
16
MP
MP
16mp
8GB
RAM
RAM
Octa-core
3300
mAh
mAh
(Non removable)
vs
6.73"
AMOLED
AMOLED
1440x3200
50
MP
MP
32mp
16GB
RAM
RAM
Octa-core
5300
mAh
mAh
(Non removable)
What's the better phone? Xiaomi 14 Ultra (China 512GB)
The phonemore's choice is much more technical than personal. Therefore, you shouldn't only consider this. Our goal is to help you, but what's important to us may not be important to you. You decide which one is the best! Comment!
4 Advantages 
25 Advantages | 20 Common items in both devices |
| Optic AMOLED / LTPO AMOLED |
| Dual-LED flash |
| PDAF: phase detection autofocus / LDAF/PDAF: laser/phase detection autofocus |
| OIS: Optical stabilization |
| HDR photo/video on both cameras |
| Capacitive |
| Multitouch |
| +13 specs and more in the table below |
Check the comparison table below for more items that are not evaluated in comparison score above.
Highlight differences Clear highlight📱 Model features | ||
| OnePlus 6 (128GB) | Xiaomi 14 Ultra (China 512GB) | |
| Model | OnePlus 6 (128GB) | Xiaomi 14 Ultra (China 512GB) |
| Other model names | OnePlus 6 A6000, OnePlus 6 A6003, One Plus 6 (8GB RAM) | Xiaomi 14 Ultra |
| Country or region available |  (Global, International) |  China |
| Brand | OnePlus | Xiaomi |
| Release date | 5/22/2018 | 2/22/2024 |
| Depth | 7.8 millimeters (0.31 inches) | 9.2 millimeters (0.36 inches) |
| Size (width x height) | 75.4 x 155.7 millimeters (2.97 x 6.13 in) | 75.3 x 161.4 millimeters (2.96 x 6.35 in) |
| Weight | 177 grams (6.2 ounces) | 224 grams (7.84 ounces) |
| Build, materials | Aluminum frame, glass front/back | Aluminum frame, glass front, leather back |
| Protection against water and others | Not supported | IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant |
📲 Display | ||
| OnePlus 6 (128GB) | Xiaomi 14 Ultra (China 512GB) | |
| Display type | Optic AMOLED | LTPO AMOLED |
| Screen size | 6.28" inches | 6.73" inches |
| Screen-to-body ratio | ~83.8% (screen-to-body ratio) | ~90% (screen-to-body ratio) |
| Display resolution | 1080x2280 pixels | 1440x3200 pixels (20:9) |
| Touchscreen | Capacitive Multitouch 10-points | Capacitive Multitouch 10-points |
| Pixel density (dot pitch) | 402 PPI | 521 PPI |
| Colors | 16 million | 1 billion |
| Scratch-resistant glass | Gorilla Glass 5 | Dragon Crystal Glass |
| Refresh rate | feature not registered | 120Hz |
| Display features | feature not registered | 1000nits[typ], 3000nits[peak] Dolby Vision/HDR10+ 100% DCI-P3 12-bit Touch Sampling Rate: 240Hz |
🤖 Operating System | ||
| OnePlus 6 (128GB) | Xiaomi 14 Ultra (China 512GB) | |
| System version | Android 8.1 Oreo | Android 14 |
| Firmware update | Android 10 | feature not registered |
| User Interface | feature not registered | HyperOS |
⚙️ Processor | ||
| OnePlus 6 (128GB) | Xiaomi 14 Ultra (China 512GB) | |
| Chipset | 64bit: Qualcomm Snapdragon 845 MSM8998 (10nm) | 64bit: Qualcomm Snapdragon 8 Gen 3 (SM8650-AB) (4nm) |
| CPU | Octa-core, 2 processors: 4x 2.8GHz Kryo 385 Gold (Quad-core) 4x 1.7GHz Kryo 385 Silver (Quad-core) | Octa-core, 4 processors: 1x 3.3GHz ARM Cortex-X4 (Single-core) 3x 3.15GHz ARM Cortex-A720 (Triple-core) 2x 2.96GHz ARM Cortex-A720 (Dual-core) 2x 2.26GHz ARM Cortex-A520 (Dual-core) |
| GPU graphical controller | Qualcomm Adreno 630 | Qualcomm Adreno 750 |
| Performance (benchmark) | feature not registered | AnTuTu: 2004190 (v10) |
💽 Memory and storage | ||
| OnePlus 6 (128GB) | Xiaomi 14 Ultra (China 512GB) | |
| RAM memory | 8GB LPDDR4X | 16GB LPDDR5X |
| Internal storage | 128GB (115GB available) | 512GB (458GB available) UFS 4.0 |
| External storage | Not supported | Not supported |
📶 Mobile networks | ||
| OnePlus 6 (128GB) | Xiaomi 14 Ultra (China 512GB) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card | Dual-SIM Standby - Call active on one sim card |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 2 slots (Dual-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 1024/150 Mbps | 3000/1024 Mbps |
| Network technology | 2G, 3G, 4G | 2G, 3G, 4G, 5G |
| Frequency, bands | Expand band details Collapse details | |
| GSM MHz band | Quad-Band 850/900/1800/1900 | Quad-Band 850/900/1800/1900 |
| Primary 2G network | CDMA 800/1900, GSM 850/900/1800/1900 | CDMA 800, GSM 850/900/1800/1900 |
| Primary 3G network | CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 800/850/900/1700/1900/2100 | CDMA2000 1xEV-DO UMTS 800/850/900/1700/1900/2100 |
| Primary 4G network | LTE Cat16 A6000 version (India, Asia, China): LTE (Bands 1,2,3,4,5,7,8,12,17,18,19,20,25,26,28,29,66) TD-LTE (Bands 34,38,39,40,41) A6003 version (Europe, North America): LTE (Bands 1,2,3,4,5,7,8,12,17,18,19,20,25,26,28,29,30,32,66,71) TD-LTE (Bands 34,38,39,40,41) | LTE Cat20 (1, 3, 4, 5, 7, 8, 18, 19, 26, 28, 34, 38, 39, 40, 41, 42, 48, 66) TD-LTE (38, 40, 41, 42, 48) VoLTE |
| Primary 5G network | Not supported | SA/NSA (1, 3, 5, 7, 8, 28, 38, 40, 41, 48, 66, 77, 78, 79) |
| Primary data network | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA |
| Secondary 2G network | GSM 850/900/1800/1900 | CDMA 800, GSM 850/900/1800/1900 |
| Secondary 3G network | Not supported | CDMA2000 1xEV-DO UMTS 800/850/900/1700/1900/2100 |
| Secondary 4G network | Not supported | LTE Cat20 (1, 3, 4, 5, 7, 8, 18, 19, 26, 28, 34, 38, 39, 40, 41, 42, 48, 66) TD-LTE (38, 40, 41, 42, 48) VoLTE |
| Secondary data network | GPRS, EDGE | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA |
📷 Camera | ||
| OnePlus 6 (128GB) | Xiaomi 14 Ultra (China 512GB) | |
| Back camera (main camera) | (dual camera) 16 megapixels 20MP wide f/1.71/2.8"25mm1.0µmPDAF | (5 cameras) 50 megapixels 50MP telephoto f/1.875mm1/2.51"0.7µmPDAFOIS3.2x-optical-zoom 50MP periscope telephoto f/2.5120mm1/2.51"0.7µmPDAFOIS5x-optical-zoom 50MP ultrawide f/1.812mm122°1/2.51"0.7µm 0.3MP depth TOF3D |
| Main camera resolution | 4608x3456 pixels | 8160x6120 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 30 fps | 8K UHD (7680x4320) 30 fps |
| Flash | Dual-LED flash | Dual-LED flash |
| Focal aperture | f/1.7 (aperture) | f/1.6 (aperture) |
| Focal length | 27mm lens | 23mm lens |
| Sensor size | 1/2.6" inches | 1/1" inches |
| Pixel size | 1.22µm pixel | 1.6µm pixel |
| Autofocus | PDAF: phase detection autofocus | LDAF/PDAF: laser/phase detection autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | OIS: Optical stabilization | OIS: Optical stabilization |
| Zoom | Only digital zoom | Digital and optical zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Supported | Supported |
| HDR | HDR photo/video on both cameras | HDR photo/video on both cameras |
| Camera extras | feature not registered | 8K@24/30fps 4K@24/30/60/120fps 1080p@30/60/120fps 1080p@240/480/960/1920fps Slow motion Leica Summilux HDR10+, 10-bit Dolby Vision, 10-bit LOG |
📸 Front camera | ||
| OnePlus 6 (128GB) | Xiaomi 14 Ultra (China 512GB) | |
| Front camera (secondary) | 16 megapixels | 32 megapixels |
| Front camera resolution | 4608x3456 pixels | 6528x4896 pixels |
| Video recording (secondary) | Full HD (1920x1080) | 4K UHD (3840x2160) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.0 (aperture) | f/2.0 (aperture) |
| Focal length | 20mm lens | 22mm lens |
| Sensor size | 1/3" inches | 1/3.14" inches |
| Pixel size | 1µm pixel | 0.7µm pixel |
🔉 Sound and multimedia | ||
| OnePlus 6 (128GB) | Xiaomi 14 Ultra (China 512GB) | |
| Loudspeaker | Supported | Stereo sound 24-bit/192kHz Dolby Atmos Hi-Res |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | Not supported | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263, DivX, WMV | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, OGG, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| OnePlus 6 (128GB) | Xiaomi 14 Ultra (China 512GB) | |
| USB | USB 2.0 Type-C reversible connector | USB 3.2 Type-C, USB OTG On-The-Go |
| Audio output | 3.5mm jack | Type-C reversible connector |
| TV output | Not supported | USB Type-C (reversible) |
| Bluetooth | 5.0 + A2DP/LE | 5.4 + A2DP/LE |
| WiFi | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot | 802.11 a/b/g/n/ac/ax/be [wifi7/6E/6] (2.4GHz, 5GHz, 6GHz) + MIMO WiFi Direct, hotspot |
| DLNA | Supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS, NavIC |
| NFC | Supported | Supported |
| Infrared port | Not supported | Supported |
🧭 Sensors | ||
| OnePlus 6 (128GB) | Xiaomi 14 Ultra (China 512GB) | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (rear-mounted) Gyroscope Hall effect Proximity sensor | Accelerometer Ambient light sensor Barometer Compass Face unlock Fingerprint sensor (under display) Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| OnePlus 6 (128GB) | Xiaomi 14 Ultra (China 512GB) | |
| Battery type | LiPo: li-ion polymer (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 3300 mAh | 5300 mAh |
| Charger, watts | 20W (5V/4A) Wired fast charging | 90W Wired fast charging Reverse charging by cable Quick Charge 4 USB Power Delivery 3.0 |
| Inductive / wireless charging | feature not registered | 80W Qi Wireless charging (Qi/WPC) 10W Reverse wireless charging |
| Talk time autonomy | feature not registered | feature not registered |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| OnePlus 6 (128GB) | Xiaomi 14 Ultra (China 512GB) | |
| Call control | Voice dialing, Voice recorder, Voice commands | Voice dialing, Voice recorder, Voice commands |
| Messaging | SMS (T9), MMS, E-mail, Push mail | SMS (T9), MMS, E-mail, Push mail |
| Hands-free calling | Supported | Supported |
| Video calling | Supported | Supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | HTML, XHTML, HTML5 | HTML, XHTML, HTML5 |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Midnight Black, Mirror Black, Silk White • 2.5D Gorilla Glass 5 • Screen protector pre-applied • Oxygen OS • Dirac HD sound • Dash Charge • Sony IMX 519 back camera • Sony IMX 371 front camera | • Colors: Black, White, Blue |
☢️ Radiation rate | ||
| OnePlus 6 (128GB) | Xiaomi 14 Ultra (China 512GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |