Lenovo ZUK Z2 (Z2131 32GB) vs Xiaomi Redmi Note 9 (128GB Global)
Side by side comparison between Lenovo ZUK Z2 vs Xiaomi Redmi Note 9 phones, differences, pros, cons and full specifications. What's the better?
,
5"
LTPS
LTPS
1080x1920
13
MP
MP
8mp
3GB
RAM
RAM
Quad-core
3500
mAh
mAh
(Non removable)
vs
6.53"
IPS
IPS
1080x2340
48
MP
MP
13mp
4GB
RAM
RAM
Octa-core
5020
mAh
mAh
(Non removable)
What's the better phone? Xiaomi Redmi Note 9 (128GB Global)
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 
20 Advantages | 23 Common items in both devices |
| 16 million |
| LED flash |
| Only digital zoom |
| PDAF: phase detection autofocus |
| EIS: Digital stabilization |
| (front) Full HD (1920x1080) |
| 4G LTE-A |
| +16 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 | ||
| Lenovo ZUK Z2 (Z2131 32GB) | Redmi Note 9 (128GB Global) | |
| Model | ZUK Z2 (Z2131 32GB) | Redmi Note 9 (128GB Global) |
| Other model names | Lenovo Zuk Z2131 3GB RAM, Lenovo Z2131, 联想 Zuk Z2 | Mi Redmi Note 9 M2003J15SG Global version (NFC) |
| Country or region available |   (Global, International), China | (Global, International) |
| Brand | Lenovo | Xiaomi |
| Release date | 6/1/2016 | 5/12/2020, Announced: 4/30/2020 |
| Depth | 8.5 millimeters (0.33 inches) | 8.9 millimeters (0.35 inches) |
| Size (width x height) | 68.9 x 141.7 millimeters (2.71 x 5.58 in) | 77.2 x 162.3 millimeters (3.04 x 6.39 in) |
| Weight | 149 grams (5.22 ounces) | 199 grams (6.97 ounces) |
| Build, materials | feature not registered | Plastic body, glass front |
| Protection against water and others | Not supported | Water repellent nano-coating (don't immerse) |
📲 Display | ||
| Lenovo ZUK Z2 (Z2131 32GB) | Redmi Note 9 (128GB Global) | |
| Display type | LTPS LCD | TFT IPS LCD |
| Screen size | 5" inches | 6.53" inches |
| Screen-to-body ratio | ~70.6% (screen-to-body ratio) | ~83.5% (screen-to-body ratio) |
| Display resolution | 1080x1920 pixels | 1080x2340 pixels (19.5:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 441 PPI | 395 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | Gorilla Glass 5 |
| Refresh rate | feature not registered | 60Hz |
| Display features | feature not registered | 450nits[typ] |
🤖 Operating System | ||
| Lenovo ZUK Z2 (Z2131 32GB) | Redmi Note 9 (128GB Global) | |
| System version | Android 6.0.1 Marshmallow | Android 10 |
| Firmware update | Android 7.0 Nougat | Android 11 |
| User Interface | feature not registered | MIUI 11 / 12 |
⚙️ Processor | ||
| Lenovo ZUK Z2 (Z2131 32GB) | Redmi Note 9 (128GB Global) | |
| Chipset | 64bit: Qualcomm Snapdragon 820 MSM8996 (14nm) | 64bit: MediaTek Helio G85 (12nm) |
| CPU | Quad-core, 2 processors: 2x 2.15GHz Kryo (Dual-core) 2x 1.6GHz Kryo (Dual-core) | Octa-core, 2 processors: 2x 2GHz ARM-Cortex-A75 (Dual-core) 6x 1.8GHz ARM-Cortex-A55 (Hexa-core) |
| GPU graphical controller | Qualcomm Adreno 530 624Mhz | ARM Mali-G52 MC2 (1GHz) |
| Performance (benchmark) | feature not registered | AnTuTu: 200451 (v8) Geekbench: 1292 (v5.1) |
💽 Memory and storage | ||
| Lenovo ZUK Z2 (Z2131 32GB) | Redmi Note 9 (128GB Global) | |
| RAM memory | 3GB LPDDR4 | 4GB LPDDR4X |
| Internal storage | 32GB (21GB available) | 128GB (106GB available) eMMC 5.1 |
| External storage | Not supported | Until 512GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Lenovo ZUK Z2 (Z2131 32GB) | Redmi Note 9 (128GB Global) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card | Dual-SIM Standby - Call active on one sim card (dedicated slot) |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 2 slots (Dual-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 300/50 Mbps | 300/150 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 | GSM 850/900/1800/1900 |
| Primary 3G network | CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 850/900/1900/2100 | UMTS 850/900/1700/1900/2100 |
| Primary 4G network | LTE Cat6 850/900/1700/1800/1900/2100/2600 (Bands 1,2,3,4,5,7,8) TD-LTE 1900/2300/2500/2600 (Bands 38,39,40,41) | LTE Cat7 (1, 2, 3, 4, 5, 7, 8, 20, 28) TD-LTE (38, 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, UMTS, 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 | UMTS 850/900/1700/1900/2100 |
| Secondary 4G network | Not supported | LTE Cat7 (1, 2, 3, 4, 5, 7, 8, 20, 28) TD-LTE (38, 40, 41) VoLTE |
| Secondary data network | GPRS, EDGE | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A |
📷 Camera | ||
| Lenovo ZUK Z2 (Z2131 32GB) | Redmi Note 9 (128GB Global) | |
| Back camera (main camera) | 13 megapixels | (quad camera) 48 megapixels 8MP ultrawide f/2.213mm1/4"1.12µm118° 2MP macro f/2.41.75µmAF 2MP depth f/2.41/5"1.7µm |
| Main camera resolution | 4128x3096 pixels | 8000x6000 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 30 fps | Full HD (1920x1080) 30 fps |
| Flash | LED flash | LED flash |
| Focal aperture | f/2.2 (aperture) | f/1.8 (aperture) |
| Focal length | feature not registered | 26mm lens |
| Sensor size | 1/2.6" inches | 1/2" inches |
| Pixel size | 1.34µm pixel | 0.8µm pixel |
| Autofocus | PDAF: phase detection autofocus | PDAF: phase detection autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | EIS: Digital stabilization | EIS: Digital stabilization |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Not supported | Supported |
| HDR | HDR photo only main camera | HDR photo on both cameras |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Lenovo ZUK Z2 (Z2131 32GB) | Redmi Note 9 (128GB Global) | |
| Front camera (secondary) | 8 megapixels | 13 megapixels |
| Front camera resolution | 3264x2448 pixels | 4128x3096 pixels |
| Video recording (secondary) | Full HD (1920x1080) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.0 (aperture) | f/2.3 (aperture) |
| Focal length | feature not registered | 29mm lens |
| Sensor size | feature not registered | 1/3.06" inches |
| Pixel size | 1.4µm pixel | 1.12µm pixel |
🔉 Sound and multimedia | ||
| Lenovo ZUK Z2 (Z2131 32GB) | Redmi Note 9 (128GB Global) | |
| Loudspeaker | Supported | Mono sound (not stereo) |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | Not supported | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263 | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, OGG, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Lenovo ZUK Z2 (Z2131 32GB) | Redmi Note 9 (128GB Global) | |
| USB | USB 2.0 Type-C reversible connector | USB 2.0 Type-C, USB OTG On-The-Go |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | Not supported | USB Type-C (reversible) |
| Bluetooth | 4.1 + A2DP | 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 | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS, BeiDou | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou |
| NFC | Not supported | Supported |
| Infrared port | Not supported | Supported |
🧭 Sensors | ||
| Lenovo ZUK Z2 (Z2131 32GB) | Redmi Note 9 (128GB Global) | |
| Sensors | Accelerometer Ambient light sensor Compass Fingerprint sensor Gyroscope Hall effect Pedometer Proximity sensor UV radiation | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Lenovo ZUK Z2 (Z2131 32GB) | Redmi Note 9 (128GB Global) | |
| Battery type | LiPo: li-ion polymer (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 3500 mAh | 5020 mAh |
| Charger, watts | Wired charging | 18W Wired fast charging 9W Reverse charging by cable |
| Inductive / wireless charging | feature not registered | Not supported |
| Talk time autonomy | feature not registered | 33 hours (1.4 days) |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Lenovo ZUK Z2 (Z2131 32GB) | Redmi Note 9 (128GB Global) | |
| 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: Titanium Black, Ceramic White • Aluminum frame • Back glass • ZUI 2.5 • Always-on display • Fast battery charging: 83% in 30min • Quick Charge 3.0 • 24-bit/192kHz audio | • Colors: Forest Green, Midnight Grey, Polar White • 22.5W charger (18W phone support) |
☢️ Radiation rate | ||
| Lenovo ZUK Z2 (Z2131 32GB) | Redmi Note 9 (128GB Global) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 0.84W/kg (head), 0.9W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | 0.8W/kg (head), 1.14W/kg (body) |