OnePlus 6 (64GB) vs Xiaomi Mix 4 (128GB)
Side by side comparison between OnePlus 6 vs Xiaomi Mix 4 phones, differences, pros, cons and full specifications. What's the better?
,
6.28"
AMOLED
AMOLED
1080x2280
16
MP
MP
16mp
6GB
RAM
RAM
Octa-core
3300
mAh
mAh
(Non removable)
vs
6.67"
AMOLED
AMOLED
1080x2400
108
MP
MP
20mp
8GB
RAM
RAM
Octa-core
4500
mAh
mAh
(Non removable)
What's the better phone? Xiaomi Mix 4 (128GB)
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!
7 Advantages 
22 Advantages | 26 Common items in both devices |
| Dual-LED flash |
| PDAF: phase detection autofocus / LDAF/PDAF: laser/phase detection autofocus |
| OIS: Optical stabilization |
| BSI sensor |
| HDR photo/video on both cameras |
| (front) Full HD (1920x1080) |
| Capacitive |
| +19 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 (64GB) | Xiaomi Mix 4 (128GB) | |
| Model | OnePlus 6 (64GB) | Mix 4 (128GB) |
| Other model names | OnePlus 6 A6000, OnePlus 6 A6003, One Plus 6 (6GB RAM) | 小米MIX 4 2106118C (8GB RAM) |
| Country or region available |  (Global, International) | (Global, International) |
| Brand | OnePlus | Xiaomi |
| Release date | 5/22/2018 | 8/16/2021, Announced: 8/10/2021 |
| Depth | 7.8 millimeters (0.31 inches) | 8 millimeters (0.31 inches) |
| Size (width x height) | 75.4 x 155.7 millimeters (2.97 x 6.13 in) | 75.35 x 162.65 millimeters (2.97 x 6.4 in) |
| Weight | 177 grams (6.2 ounces) | 225 grams (7.88 ounces) |
| Build, materials | Aluminum frame, glass front/back | Aluminum body, glass front, ceramic back |
| Protection against water and others | Not supported | IP53 certified: protection against dust and splashing |
📲 Display | ||
| OnePlus 6 (64GB) | Xiaomi Mix 4 (128GB) | |
| Display type | Optic AMOLED | AMOLED |
| Screen size | 6.28" inches | 6.67" inches |
| Screen-to-body ratio | ~83.8% (screen-to-body ratio) | ~87.6% (screen-to-body ratio) |
| Display resolution | 1080x2280 pixels | 1080x2400 pixels (20:9) |
| Touchscreen | Capacitive Multitouch 10-points | Capacitive Multitouch |
| Pixel density (dot pitch) | 402 PPI | 395 PPI |
| Colors | 16 million | 1 billion |
| Scratch-resistant glass | Gorilla Glass 5 | Gorilla Glass Victus |
| Refresh rate | feature not registered | 120Hz |
| Display features | feature not registered | Dolby Vision/HDR10+ Touch Sampling Rate: 480Hz |
🤖 Operating System | ||
| OnePlus 6 (64GB) | Xiaomi Mix 4 (128GB) | |
| System version | Android 8.1 Oreo | Android 11 |
| Firmware update | Android 10 | Android 13 |
| User Interface | feature not registered | MIUI 12.5 / 13 |
⚙️ Processor | ||
| OnePlus 6 (64GB) | Xiaomi Mix 4 (128GB) | |
| Chipset | 64bit: Qualcomm Snapdragon 845 MSM8998 (10nm) | 64bit: Qualcomm Snapdragon 888+ (SM8350-AC) (5nm) |
| CPU | Octa-core, 2 processors: 4x 2.8GHz Kryo 385 Gold (Quad-core) 4x 1.7GHz Kryo 385 Silver (Quad-core) | Octa-core, 3 processors: 1x 3GHz Kryo 680 (Single-core) 3x 2.42GHz Kryo 680 (Triple-core) 4x 1.8GHz Kryo 680 (Quad-core) |
| GPU graphical controller | Qualcomm Adreno 630 | Qualcomm Adreno 660 (840MHz) |
| Performance (benchmark) | feature not registered | AnTuTu: 798010 (v9) |
💽 Memory and storage | ||
| OnePlus 6 (64GB) | Xiaomi Mix 4 (128GB) | |
| RAM memory | 6GB LPDDR4X | 8GB LPDDR5 |
| Internal storage | 64GB (51GB available) | 128GB (101GB available) UFS 3.1 |
| External storage | Not supported | Not supported |
📶 Mobile networks | ||
| OnePlus 6 (64GB) | Xiaomi Mix 4 (128GB) | |
| 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 | 2000/1024 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 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, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28) TD-LTE (34, 38, 39, 40, 41, 42) VoLTE |
| Primary 5G network | Not supported | SA/NSA/Sub6 (1, 3, 5, 8, 28, 41, 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 | GSM 850/900/1800/1900 |
| Secondary 3G network | Not supported | UMTS 850/900/1700/1900/2100 |
| Secondary 4G network | Not supported | LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28) TD-LTE (34, 38, 39, 40, 41, 42) VoLTE |
| Secondary data network | GPRS, EDGE | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA |
📷 Camera | ||
| OnePlus 6 (64GB) | Xiaomi Mix 4 (128GB) | |
| Back camera (main camera) | (dual camera) 16 megapixels 20MP wide f/1.71/2.8"25mm1.0µmPDAF | (triple camera) 108 megapixels 13MP ultrawide f/2.212mm123°1/3.06"1.12µm 8MP periscope telephoto f/4.1120mmPDAFOIS5x-optical-zoom |
| Main camera resolution | 4608x3456 pixels | 12000x9000 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 30 fps | 8K UHD (7680x4320) 24 fps |
| Flash | Dual-LED flash | Dual-LED flash |
| Focal aperture | f/1.7 (aperture) | f/1.9 (aperture) |
| Focal length | 27mm (lens) | 24mm (lens) |
| Sensor size | 1/2.6" inches | 1/1.33" inches |
| Pixel size | 1.22µm pixel | 0.8µm 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 | 4K@30/60fps 1080p@30/60/120/480fps |
📸 Front camera | ||
| OnePlus 6 (64GB) | Xiaomi Mix 4 (128GB) | |
| Front camera (secondary) | 16 megapixels | 20 megapixels |
| Front camera resolution | 4608x3456 pixels | 5184x3840 pixels |
| Video recording (secondary) | Full HD (1920x1080) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.0 (aperture) | f/3.4 (aperture) |
| Focal length | 20mm (lens) | 27mm (lens) |
| Sensor size | 1/3" inches | 1/0.8" inches |
| Pixel size | 1µm pixel | 0.8µm pixel |
🔉 Sound and multimedia | ||
| OnePlus 6 (64GB) | Xiaomi Mix 4 (128GB) | |
| Loudspeaker | Supported | Stereo sound 24-bit/192kHz Tuned by Harman Kardon |
| 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 (64GB) | Xiaomi Mix 4 (128GB) | |
| USB | USB 2.0 Type-C reversible connector | USB 2.0 Type-C, USB OTG On-The-Go |
| Audio output | 3.5mm jack | Type-C jack with 3.5mm jack adapter |
| TV output | Not supported | USB Type-C (reversible) |
| Bluetooth | 5.0 + A2DP/LE | 5.2 + 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 [wifi6E/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 (64GB) | Xiaomi Mix 4 (128GB) | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (rear-mounted) Gyroscope Hall effect Proximity sensor | Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (under display) Gyroscope Heart rate Proximity sensor UWB (Ultra Wideband) |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| OnePlus 6 (64GB) | Xiaomi Mix 4 (128GB) | |
| Battery type | LiPo: li-ion polymer (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 3300 mAh | 4500 mAh |
| Charger, watts | 20W (5V/4A) Wired fast charging | 120W Wired fast charging Reverse charging by cable Quick Charge 4 USB Power Delivery 3.0 |
| Inductive / wireless charging | feature not registered | 50W Qi wireless charging 10W Reverse wireless charging |
| Talk time autonomy | feature not registered | feature not registered |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| OnePlus 6 (64GB) | Xiaomi Mix 4 (128GB) | |
| 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: Ceramic Black, Ceramic White, Shadow Gray • Silicone case included • Screen protector included |
☢️ Radiation rate | ||
| OnePlus 6 (64GB) | Xiaomi Mix 4 (128GB) | |
| 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 |