📱 Model features |
| Xiaomi Mi Mix 2S (128GB) | Samsung Galaxy Z Fold 3 (SM-F926W 256GB) |
| Model | Mi Mix 2S (128GB) | Galaxy Z Fold 3 (SM-F926W 256GB) |
| Other model names | 小米MIX 2S, Xiaomi Mix 2S (128GB + 6GB RAM), Xiaomi Polaris | Galaxy Fold3 5G (SM-F926W) |
| Country or region available | 
(Global, International) | 
Canada |
| Brand | Xiaomi | Samsung |
| Release date | 4/3/2018 | 8/27/2021, Announced: 8/11/2021 |
| Depth | 8.1 millimeters (0.32 inches) | 6.4 millimeters (0.25 inches) |
| Size (width x height) | 74.9 x 150.86 millimeters (2.95 x 5.94 in) | 128.1 x 158.2 millimeters (5.04 x 6.23 in) |
| Weight | 189 grams (6.62 ounces) | 271 grams (9.49 ounces) |
| Build, materials | Aluminum body, glass front, ceramic back | Aluminum frame, flexible plastic screen, glass back |
| Protection against water and others | Not supported | IPX8 certified: water resistant up to 1.5 meters and 30min |
🤖 Operating System |
| Xiaomi Mi Mix 2S (128GB) | Samsung Galaxy Z Fold 3 (SM-F926W 256GB) |
| System version | Android 8.0 Oreo | Android 11 |
| Firmware update | Android 10 | Android 13 |
| User Interface | feature not registered | One UI 3.1 / 4.1 / 5.0 |
⚙️ Processor |
| Xiaomi Mi Mix 2S (128GB) | Samsung Galaxy Z Fold 3 (SM-F926W 256GB) |
| Chipset | 64bit: Qualcomm Snapdragon 845 MSM8998 (10nm) | 64bit: Qualcomm Snapdragon 888 (SM8350) (5nm) |
| CPU | Octa-core, 2 processors:
4x 2.8GHz Kryo 385 Gold (Quad-core)
4x 1.8GHz Kryo 385 Silver (Quad-core) | Octa-core, 3 processors:
1x 2.84GHz Kryo 680 (Single-core)
3x 2.42GHz Kryo 680 (Triple-core)
4x 1.8GHz Kryo 680 (Quad-core) |
| GPU graphical controller | Qualcomm Adreno 630 710Mhz | Qualcomm Adreno 660 (840MHz) |
| Performance (benchmark) | feature not registered | AnTuTu: 635918 (v8), 752218 (v9)
Geekbench: 3239 (v5.1)
GFXBench: 38fps (ES 3.1 onscreen) |
💽 Memory and storage |
| Xiaomi Mi Mix 2S (128GB) | Samsung Galaxy Z Fold 3 (SM-F926W 256GB) |
| RAM memory | 6GB LPDDR4X | 12GB LPDDR5 |
| Internal storage | 128GB (118GB available)
UFS 2.1 | 256GB (220GB available)
UFS 3.1 |
| External storage | Not supported | Not supported |
📲 Display |
| Xiaomi Mi Mix 2S (128GB) | Samsung Galaxy Z Fold 3 (SM-F926W 256GB) |
| Display type | TFT IPS LCD | Dynamic AMOLED |
| Screen size | 5.99" inches | 7.6" inches |
| Screen-to-body ratio | ~81.9% (screen-to-body ratio) | ~89.7% (screen-to-body ratio) |
| Display resolution | 1080x2160 pixels | 1768x2208 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 403 PPI | 372 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 4 | Not supported |
| Refresh rate | feature not registered | 120Hz |
| Display features | feature not registered | 1200nits[peak]
HDR10+
Always-On Display
Back: Gorilla Glass Victus
Extra display: Dynamic AMOLED 2X 6.2" (832x2268), 120Hz, Gorilla Glass Victus |
📶 Mobile networks |
| Xiaomi Mi Mix 2S (128GB) | Samsung Galaxy Z Fold 3 (SM-F926W 256GB) |
| 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) | 1 slot (Single-SIM)
nano-SIM (4FF) + e-SIM |
| Maximum Download / Upload | 1200/100 Mbps | 2000/1024 Mbps |
| Network technology | 2G, 3G, 4G | 2G, 3G, 4G, 5G |
| Frequency, bands | Expand band detailsCollapse details |
| GSM MHz band | Quad-Band 850/900/1800/1900 | Quad-Band 850/900/1800/1900 |
| Primary 2G network | CDMA 800/1900/2100, GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Primary 3G network | CDMA2000 1xEV-DO
TD-SCDMA 1900/2000
M1803D5XA Global version:
UMTS 800/850/900/1700/1800/1900/2100
M1803D5XE/M1803D5XC/M1803D5XT versions:
UMTS 850/900/1700/1900/2100 | UMTS 850/900/1700/1900/2100 |
| Primary 4G network | LTE Cat18
M1803D5XA Global version:
LTE (Bands 1,2,3,4,5,7,8,12,13,17,18,19,20,25,26,27,28,29,30)
TD-LTE (Bands 34,38,39,40,41)
M1803D5XE/M1803D5XC/M1803D5XT versions:
LTE (Bands 1,2,3,4,5,7,8,12,17,20)
TD-LTE (Bands 34,38,39,40,41) | LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 18, 19, 20, 25, 29, 30, 66, 71)
TD-LTE (38, 39, 40, 41, 46)
VoLTE |
| Primary 5G network | Not supported | SA/NSA/Sub6 (2, 41, 66, 71) |
| 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, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, 5G 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, 13, 18, 19, 20, 25, 29, 30, 66, 71)
TD-LTE (38, 39, 40, 41, 46)
VoLTE |
| Secondary data network | GPRS, EDGE | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, 5G SA/NSA |
📷 Camera |
| Xiaomi Mi Mix 2S (128GB) | Samsung Galaxy Z Fold 3 (SM-F926W 256GB) |
| Back camera (main camera) | (dual camera)
12 megapixels
12MPf/2.41/3.4"1µmAF | (triple camera)
12.2 megapixels
12MP telephotof/2.452mm1/3.6"1.0µmPDAFOIS2x-optical-zoom
12MP ultrawidef/2.2123°12mm1.12µm |
| Main camera resolution | 4000x3000 pixels | 4032x3024 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 30 fps | 4K UHD (3840x2160) 60 fps |
| Flash | Dual-LED flash | LED flash |
| Focal aperture | f/1.8 (aperture) | f/1.8 (aperture) |
| Focal length | feature not registered | 26mm lens |
| Sensor size | 1/2.55" inches | 1/1.76" inches |
| Pixel size | 1.4µm pixel | 1.8µm pixel |
| Autofocus | PDAF: phase detection autofocus | PDAF: phase detection autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | OIS (4-axis): Optical stabilization | OIS: Optical stabilization |
| Zoom | Digital and optical zoom | Digital and optical zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Not supported | Supported |
| HDR | HDR photo on both cameras | HDR photo/video on both cameras |
| Camera extras | feature not registered | 4K@30/60fps
1080p@30/60fps
1080p@240fps (slow motion)
720p@960fps (slow motion)
Extra cover camera: 4MP (f/1.8 2.0µm) |
📸 Front camera |
| Xiaomi Mi Mix 2S (128GB) | Samsung Galaxy Z Fold 3 (SM-F926W 256GB) |
| Front camera (secondary) | 5 megapixels | 10 megapixels |
| Front camera resolution | 2560x1920 pixels | 3872x2592 pixels |
| Video recording (secondary) | Full HD (1920x1080) | 4K UHD (3840x2160) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.0 (aperture) | f/2.2 (aperture) |
| Focal length | feature not registered | 26mm lens |
| Sensor size | feature not registered | 1/3" inches |
| Pixel size | 1.4µm pixel | 1.22µm pixel |
🔉 Sound and multimedia |
| Xiaomi Mi Mix 2S (128GB) | Samsung Galaxy Z Fold 3 (SM-F926W 256GB) |
| Loudspeaker | Supported | Stereo sound
32-bit/384kHz
Dolby Atmos
Tuned by AKG |
| 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, XviD | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, OGG, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity |
| Xiaomi Mi Mix 2S (128GB) | Samsung Galaxy Z Fold 3 (SM-F926W 256GB) |
| USB | USB 2.0 Type-C reversible connector | USB 3.2 Type-C, USB OTG On-The-Go |
| Audio output | Type-C reversible connector | Type-C reversible connector |
| 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 (2.4Ghz, 5Ghz) + MIMO
WiFi Direct, hotspot | 802.11 a/b/g/n/ac/ax wifi6/6E (2.4Ghz, 5Ghz, 6Ghz) + MIMO
WiFi Direct, hotspot |
| DLNA | Not supported | Supported |
| GPS | A-GPS, GeoTagging, GLONASS, BeiDou | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou |
| NFC | Supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors |
| Xiaomi Mi Mix 2S (128GB) | Samsung Galaxy Z Fold 3 (SM-F926W 256GB) |
| Sensors | Accelerometer
Ambient Light sensor
Barometer
Compass
Face unlock
Fingerprint sensor (rear-mounted)
Gyroscope
Hall effect
Proximity sensor | Accelerometer
Ambient Light sensor
Barometer
Compass
Face unlock
Fingerprint sensor (side-mounted)
Gyroscope
Hall effect
Proximity sensor
UWB (Ultra Wide Band) |
| Vibrating alert | Supported | Supported |
🔋 Battery |
| Xiaomi Mi Mix 2S (128GB) | Samsung Galaxy Z Fold 3 (SM-F926W 256GB) |
| Battery type | Li-Ion: Lithium-Ion (Non removable) | LiPo: Li-Ion polymer (Non removable) |
| Battery capacity | 3400 mAh | 4400 mAh |
| Charger, watts | 18W (9V/2A) Wired fast charging
Qi wireless charging | 25W Wired fast charging
Reverse charging by cable
11W Qi Wireless charging (Qi/WPC)
4.5W Reverse wireless charging
USB Power Delivery 3.0 |
| Talk time autonomy | feature not registered | 34 hours (1.4 days) |
| Standby | feature not registered | feature not registered |
➕ Other features |
| Xiaomi Mi Mix 2S (128GB) | Samsung Galaxy Z Fold 3 (SM-F926W 256GB) |
| 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: Black, White
- MIUI 9.5
- HDR10 display support
- Quick Charge 3.0
- Type-C to 3.5 mm headphone jack adapter
- VoLTE | - Colors: Phantom Black, Silver, Green
- Stylus pen support
- Samsung DeX
- Samsung Pay |
☢️ Radiation rate |
| Xiaomi Mi Mix 2S (128GB) | Samsung Galaxy Z Fold 3 (SM-F926W 256GB) |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 0.52W/kg (head), 0.86W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |