Xiaomi Mi 9 (128GB/8GB) vs Xiaomi Mi 8 (256GB)
Side by side comparison between Xiaomi Mi 9 vs Xiaomi Mi 8 phones, differences, pros, cons and full specifications. What's the better?
,
6.39"
AMOLED
AMOLED
1080x2340
48
MP
MP
20mp
8GB
RAM
RAM
Octa-core
3300
mAh
mAh
(Non removable)
vs
6.21"
AMOLED
AMOLED
1080x2248
12
MP
MP
20mp
6GB
RAM
RAM
Octa-core
3400
mAh
mAh
(Non removable)
What's the better phone? Xiaomi Mi 9 (128GB/8GB)
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!
34 Common items in both devices |
UFS 2.1 |
Aluminum frame, glass front/back |
Super AMOLED |
16 million |
Dual-LED flash |
Digital and optical zoom |
LDAF/PDAF: laser/phase detection autofocus / PDAF: phase detection autofocus |
+27 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 | ||
Xiaomi Mi 9 (128GB/8GB) | Xiaomi Mi 8 (256GB) | |
Model | Xiaomi Mi 9 (128GB/8GB) | Xiaomi Mi 8 (256GB) |
Other model names | 小米9, Xiaomi Mi9 (8GB RAM), M1902F1A, M1902F1G, M1902F1T | 小米8, Xiaomi Mi8 6GB RAM, Xiaomi Dipper |
Country or region available | China | (Global, International), China, Hong Kong |
Brand | Xiaomi | Xiaomi |
Release date | 3/1/2019 | 6/1/2018 |
Depth | 7.61 millimeters (0.3 inches) | 7.6 millimeters (0.3 inches) |
Size (width x height) | 74.67 x 157.5 millimeters (2.94 x 6.2 in) | 74.8 x 154.9 millimeters (2.94 x 6.1 in) |
Weight | 173 grams (6.06 ounces) | 175 grams (6.13 ounces) |
Build, materials | Aluminum frame, glass front/back | Aluminum frame, glass front/back |
Protection against water and others | Not supported | Not supported |
📲 Display | ||
Xiaomi Mi 9 (128GB/8GB) | Xiaomi Mi 8 (256GB) | |
Display type | Super AMOLED | Super AMOLED |
Screen size | 6.39" inches | 6.21" inches |
Screen-to-body ratio | ~85.2% (screen-to-body ratio) | ~83.8% (screen-to-body ratio) |
Display resolution | 1080x2340 pixels | 1080x2248 pixels |
Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
Pixel density (dot pitch) | 403 PPI | 402 PPI |
Colors | 16 million | 16 million |
Scratch-resistant glass | Gorilla Glass 6 | Gorilla Glass 5 |
Refresh rate | feature not registered | 60Hz |
Display features | feature not registered | 600nits[typ] HDR10 |
🤖 Operating System | ||
Xiaomi Mi 9 (128GB/8GB) | Xiaomi Mi 8 (256GB) | |
System version | Android 9.0 Pie | Android 8.1 Oreo |
Firmware update | Android 10 | Android 9.0 Pie |
User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
Xiaomi Mi 9 (128GB/8GB) | Xiaomi Mi 8 (256GB) | |
Chipset | 64bit: Qualcomm Snapdragon 855 (SM8150) (7nm) | 64bit: Qualcomm Snapdragon 845 MSM8998 (10nm) |
CPU | Octa-core, 3 processors: 1x 2.84GHz Kryo 485 (Single-core) 3x 2.42GHz Kryo 485 (Triple-core) 4x 1.78GHz Kryo 485 (Quad-core) | Octa-core, 2 processors: 4x 2.8GHz Kryo 385 Gold (Quad-core) 4x 1.8GHz Kryo 385 Silver (Quad-core) |
GPU graphical controller | Qualcomm Adreno 640 (585MHz) | Qualcomm Adreno 630 710Mhz |
Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
Xiaomi Mi 9 (128GB/8GB) | Xiaomi Mi 8 (256GB) | |
RAM memory | 8GB LPDDR4X | 6GB LPDDR4X |
Internal storage | 128GB (109GB available) UFS 2.1 | 256GB (243GB available) UFS 2.1 |
External storage | Not supported | Not supported |
📶 Mobile networks | ||
Xiaomi Mi 9 (128GB/8GB) | Xiaomi Mi 8 (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) | 2 slots (Dual-SIM) nano-SIM (4FF) |
Maximum Download / Upload | 1024/150 Mbps | 1024/150 Mbps |
Network technology | 2G, 3G, 4G | 2G, 3G, 4G |
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, GSM 850/900/1800/1900 | CDMA 800, GSM 850/900/1800/1900 |
Primary 3G network | CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 850/900/1700/1900/2100 | CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 850/900/1700/1900/2100 |
Primary 4G network | LTE Cat16/13 VoLTE Global version: LTE (Bands 1, 2, 3, 4, 5, 7, 8, 12, 20, 28) TD-LTE (Bands 38, 39, 40) China version: LTE (Bands 1, 2, 3, 4, 5, 7, 8, 12, 17) TD-LTE (Bands 34, 38, 39, 40, 41) | LTE Cat16 (1, 2, 3, 4, 5, 7, 8, 12, 17, 20) TD-LTE (34, 38, 39, 40, 41) VoLTE |
Primary 5G network | Not supported | Not supported |
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, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A |
Secondary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
Secondary 3G network | Not supported | Not supported |
Secondary 4G network | Not supported | Not supported |
Secondary data network | GPRS, EDGE | GPRS, EDGE |
📷 Camera | ||
Xiaomi Mi 9 (128GB/8GB) | Xiaomi Mi 8 (256GB) | |
Back camera (main camera) | (triple camera) 48 megapixels 16MP ultrawide f/2.213mm1/3.0"1.0µmPDAF 12MP telephoto f/2.254mm1/3.6"1.0µmPDAF2x-optical-zoom | (dual camera) 12 megapixels 12MP telephoto f/2.456mm1/3.4"1.0µmAF2x-optical-zoom |
Main camera resolution | 8000x6000 pixels | 4000x3000 pixels |
Video recording (primary) | 4K UHD (3840x2160) 60 fps | 4K UHD (3840x2160) 30 fps |
Flash | Dual-LED flash | Dual-LED flash |
Focal aperture | f/1.8 (aperture) | f/1.8 (aperture) |
Focal length | feature not registered | feature not registered |
Sensor size | 1/2" inches | 1/2.55" inches |
Pixel size | 0.8µm pixel | 1.4µm pixel |
Autofocus | LDAF/PDAF: laser/phase detection autofocus | PDAF: phase detection autofocus |
Touch focus | Supported | Supported |
Image stabilization | EIS: Digital stabilization | OIS (4-axis): 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 | Not supported |
HDR | HDR photo on both cameras | HDR photo on both cameras |
Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
Xiaomi Mi 9 (128GB/8GB) | Xiaomi Mi 8 (256GB) | |
Front camera (secondary) | 20 megapixels | 20 megapixels |
Front camera resolution | 5184x3840 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/2.0 (aperture) |
Focal length | feature not registered | feature not registered |
Sensor size | feature not registered | 1/3" inches |
Pixel size | 0.9µm pixel | 1.8µm pixel |
🔉 Sound and multimedia | ||
Xiaomi Mi 9 (128GB/8GB) | Xiaomi Mi 8 (256GB) | |
Loudspeaker | Supported | Supported |
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, MKV | MP4, H.265, H.264, H.263, XviD, MKV |
Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
Xiaomi Mi 9 (128GB/8GB) | Xiaomi Mi 8 (256GB) | |
USB | USB 2.0 Type-C, USB OTG On-The-Go | USB 2.0 Type-C, USB OTG On-The-Go |
Audio output | Type-C jack with 3.5mm jack adapter | Type-C jack with 3.5mm jack adapter |
TV output | Not supported | USB Type-C (reversible) |
Bluetooth | 5.0 + A2DP/LE | 5.0 + 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 [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot |
DLNA | Supported | Supported |
GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS |
NFC | Supported | Supported |
Infrared port | Supported | Not supported |
🧭 Sensors | ||
Xiaomi Mi 9 (128GB/8GB) | Xiaomi Mi 8 (256GB) | |
Sensors | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (under display) Gyroscope Proximity sensor | Accelerometer Ambient light sensor Barometer Compass Face unlock Fingerprint sensor (rear-mounted) Gyroscope Hall effect Proximity sensor |
Vibrating alert | Supported | Supported |
🔋 Battery | ||
Xiaomi Mi 9 (128GB/8GB) | Xiaomi Mi 8 (256GB) | |
Battery type | LiPo: li-ion polymer (Non removable) | LiPo: li-ion polymer (Non removable) |
Battery capacity | 3300 mAh | 3400 mAh |
Charger, watts | 27W Wired fast charging | 18W Wired fast charging Quick Charge 4+ |
Inductive / wireless charging | Qi wireless charging | Not supported |
Talk time autonomy | feature not registered | feature not registered |
Standby | feature not registered | feature not registered |
➕ Other features | ||
Xiaomi Mi 9 (128GB/8GB) | Xiaomi Mi 8 (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: Piano Black, Lavender Violet, Ocean Blue • MIUI 10 • HDR10/DCI-P3 display • Sapphire glass camera cover • Quick Charge 4+ • Fast wireless charging 20W | • Colors: Black, Blue, White, Gold • MIUI 9.5 • Always-On Display • WiFi display |
☢️ Radiation rate | ||
Xiaomi Mi 9 (128GB/8GB) | Xiaomi Mi 8 (256GB) | |
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 |