Asus Zenfone 2 (ZE551ML 16GB) vs Xiaomi Redmi Note 9 Pro (128GB)
Side by side comparison between Asus Zenfone 2 vs Xiaomi Redmi Note 9 Pro phones, differences, pros, cons and full specifications. What's the better?
,
5.5"
IPS
IPS
1080x1920
13
MP
MP
5mp
4GB
RAM
RAM
Quad-core
3000
mAh
mAh
(Non removable)
vs
6.67"
IPS
IPS
1080x2400
64
MP
MP
16mp
6GB
RAM
RAM
Octa-core
5020
mAh
mAh
(Non removable)
What's the better phone? Xiaomi Redmi Note 9 Pro (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!
3 Advantages 
20 Advantages | 22 Common items in both devices |
| TFT IPS LCD |
| 16 million |
| Only digital zoom |
| Autofocus / PDAF: phase detection autofocus |
| 4G LTE / 4G LTE-A |
| Capacitive |
| Multitouch |
| +15 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 | ||
| Asus Zenfone 2 (ZE551ML 16GB) | Redmi Note 9 Pro (128GB) | |
| Model | Zenfone 2 (ZE551ML 16GB) | Redmi Note 9 Pro (128GB) |
| Other model names | Asus Zenfone 2 ZE551ML Dual-sim (16GB + 4GB RAM) | Xiaomi Note 9 Pro (M2003J6B2G Global version) 6GB RAM |
| Country or region available | feature not registered |  (Global, International) |
| Brand | Asus | Xiaomi |
| Release date | 3/1/2015 | 5/5/2020, Announced: 4/30/2020 |
| Depth | 10.9 millimeters (0.43 inches) | 8.8 millimeters (0.35 inches) |
| Size (width x height) | 77.2 x 152.5 millimeters (3.04 x 6 in) | 76.68 x 165.75 millimeters (3.02 x 6.53 in) |
| Weight | 170 grams (5.95 ounces) | 209 grams (7.32 ounces) |
| Build, materials | feature not registered | Plastic body, glass front/back |
| Protection against water and others | Not supported | Not supported |
📲 Display | ||
| Asus Zenfone 2 (ZE551ML 16GB) | Redmi Note 9 Pro (128GB) | |
| Display type | TFT IPS LCD | TFT IPS LCD |
| Screen size | 5.5" inches | 6.67" inches |
| Screen-to-body ratio | ~70.8% (screen-to-body ratio) | ~84.5% (screen-to-body ratio) |
| Display resolution | 1080x1920 pixels | 1080x2400 pixels (20:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 401 PPI | 395 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 3 | Gorilla Glass 5 |
| Refresh rate | feature not registered | 60Hz |
| Display features | feature not registered | 450nits[typ] |
🤖 Operating System | ||
| Asus Zenfone 2 (ZE551ML 16GB) | Redmi Note 9 Pro (128GB) | |
| System version | Android 5.0 Lollipop | Android 10 |
| Firmware update | Android 6.0 Marshmallow | Android 11 |
| User Interface | feature not registered | MIUI 11 / 12 |
⚙️ Processor | ||
| Asus Zenfone 2 (ZE551ML 16GB) | Redmi Note 9 Pro (128GB) | |
| Chipset | 64bit: Intel Atom Z3560 | 64bit: Qualcomm Snapdragon 720G (SM7125) (8nm) |
| CPU | Quad-core, 1 processor: 4x 1.8GHz Intel Silvermont (Quad-core) | Octa-core, 2 processors: 2x 2.3GHz Kryo 465 Gold (Dual-core) 6x 1.8GHz Kryo 465 Silver (Hexa-core) |
| GPU graphical controller | PowerVR G6430 MP4 | Qualcomm Adreno 618 (750MHz) |
| Performance (benchmark) | feature not registered | AnTuTu: 279625 (v8) Geekbench: 1785 (v5.1) GFXBench: 15fps (ES 3.1 onscreen) |
💽 Memory and storage | ||
| Asus Zenfone 2 (ZE551ML 16GB) | Redmi Note 9 Pro (128GB) | |
| RAM memory | 4GB LPDDR3 | 6GB LPDDR4X |
| Internal storage | 16GB (10GB available) | 128GB (106GB available) UFS 2.1 |
| External storage | Until 64GB microSD, microSDXC (dedicated slot) | Until 512GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Asus Zenfone 2 (ZE551ML 16GB) | Redmi Note 9 Pro (128GB) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated slot) | Dual-SIM Standby - Call active on one sim card (dedicated slot) |
| SIM card | 2 slots (Dual-SIM) micro-SIM (3FF) | 2 slots (Dual-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 150/50 Mbps | 800/150 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 | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Primary 3G network | UMTS 850/900/1900/2100 | UMTS 850/900/1700/1900/2100 |
| Primary 4G network | LTE Cat4 800/850/900/1700/1800/1900/2100/2600 Bands (1,2,3,4,5,7,8,20) - USA: 700/800/850/900/1700/1800/1900/2100/2600 (Bands 1,2,3,4,5,7,8,17,20) | LTE Cat15/13 (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, UMTS, HSDPA, HSUPA, HSPA+, LTE | 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 Cat15/13 (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 | ||
| Asus Zenfone 2 (ZE551ML 16GB) | Redmi Note 9 Pro (128GB) | |
| Back camera (main camera) | 13 megapixels | (quad camera) 64 megapixels 8MP ultrawide f/2.213mm1/4"1.12µm119° 5MP macro f/2.41/5"1.12µmAF 2MP depth f/2.4 |
| Main camera resolution | 4128x3096 pixels | 10120x6328 pixels |
| Video recording (primary) | Full HD (1920x1080) 30 fps | 4K UHD (3840x2160) 30 fps |
| Flash | Dual-LED flash | LED flash |
| Focal aperture | f/2.0 (aperture) | f/1.9 (aperture) |
| Focal length | feature not registered | 26mm lens |
| Sensor size | feature not registered | 1/1.72" inches |
| Pixel size | feature not registered | 0.8µm pixel |
| Autofocus | Autofocus | PDAF: phase detection autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | feature not registered | 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 | 4K@30fps 1080p@30/60fps 1080p@120fps (slow motion) 720p@960fps (slow motion) |
📸 Front camera | ||
| Asus Zenfone 2 (ZE551ML 16GB) | Redmi Note 9 Pro (128GB) | |
| Front camera (secondary) | 5 megapixels | 16 megapixels |
| Front camera resolution | 2560x1920 pixels | 4608x3456 pixels |
| Video recording (secondary) | HD (1280x720) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | feature not registered | f/2.5 (aperture) |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | 1/3.06" inches |
| Pixel size | feature not registered | 1µm pixel |
🔉 Sound and multimedia | ||
| Asus Zenfone 2 (ZE551ML 16GB) | Redmi Note 9 Pro (128GB) | |
| Loudspeaker | Supported | Mono sound (not stereo) |
| Active noise cancellation | Not supported | 2 microphones or more |
| Radio | FM (RDS) | 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, eAAC+ | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Asus Zenfone 2 (ZE551ML 16GB) | Redmi Note 9 Pro (128GB) | |
| USB | MicroUSB 2.0 | 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 | 4.0 + A2DP | 5.0 + A2DP/LE |
| WiFi | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) WiFi Direct, hotspot | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou |
| NFC | Supported | Supported |
| Infrared port | Not supported | Supported |
🧭 Sensors | ||
| Asus Zenfone 2 (ZE551ML 16GB) | Redmi Note 9 Pro (128GB) | |
| Sensors | Accelerometer Ambient light sensor Compass Gyroscope Proximity sensor | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (side-mounted) Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Asus Zenfone 2 (ZE551ML 16GB) | Redmi Note 9 Pro (128GB) | |
| Battery type | LiPo: li-ion polymer (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 3000 mAh | 5020 mAh |
| Charger, watts | Wired charging | 30W Wired fast charging |
| Inductive / wireless charging | feature not registered | Not supported |
| Talk time autonomy | feature not registered | feature not registered |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Asus Zenfone 2 (ZE551ML 16GB) | Redmi Note 9 Pro (128GB) | |
| Call control | Voice dialing, Voice recorder | 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, Gold, Gray, Red, White • Asus ZenUI • Fast battery charging: 60% in 40min • 5GB free ASUS WebStorage • OpenGL 3.0 • Asus BoostMaster 18W adapter included | • Colors: Tropical Green, Glacier White, Interstellar Gray • 33W charger (30W phone support) |
☢️ Radiation rate | ||
| Asus Zenfone 2 (ZE551ML 16GB) | Redmi Note 9 Pro (128GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 0.87W/kg (head), 0.71W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | 0.66W/kg (head), 1.02W/kg (body) |