Asus Zenfone 7 (ZS670KS 128GB/6GB) vs Xiaomi Redmi Note 9 (128GB Global)
Side by side comparison between Asus Zenfone 7 vs Xiaomi Redmi Note 9 phones, differences, pros, cons and full specifications. What's the better?
,
6.67"
AMOLED
AMOLED
1080x2400
64
MP
MP
64mp
6GB
RAM
RAM
Octa-core
5000
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? Asus Zenfone 7 (ZS670KS 128GB/6GB)
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!
23 Advantages 
6 Advantages | 24 Common items in both devices |
| 128GB (104GB available) / 128GB (106GB available) |
| Until 1TB microSD, microSDXC / Until 512GB microSD, microSDXC |
| 16 million |
| 395 PPI |
| PDAF: phase detection autofocus |
| EIS: Digital stabilization |
| HDR photo/video on both cameras / HDR photo on both cameras |
| +17 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 7 (ZS670KS 128GB/6GB) | Redmi Note 9 (128GB Global) | |
| Model | Zenfone 7 (ZS670KS 128GB/6GB) | Redmi Note 9 (128GB Global) |
| Other model names | Asus Zenfone 7 ZS670KS, ASUS_I002D, I002D (6GB RAM) | Mi Redmi Note 9 M2003J15SG Global version (NFC) |
| Country or region available |  (Global, International) | (Global, International) |
| Brand | Asus | Xiaomi |
| Release date | 9/1/2020, Announced: 8/26/2020 | 5/12/2020, Announced: 4/30/2020 |
| Depth | 9.6 millimeters (0.38 inches) | 8.9 millimeters (0.35 inches) |
| Size (width x height) | 77.3 x 165.1 millimeters (3.04 x 6.5 in) | 77.2 x 162.3 millimeters (3.04 x 6.39 in) |
| Weight | 235 grams (8.23 ounces) | 199 grams (6.97 ounces) |
| Build, materials | Aluminum frame, glass front/back | Plastic body, glass front |
| Protection against water and others | Not supported | Water repellent nano-coating (don't immerse) |
📲 Display | ||
| Asus Zenfone 7 (ZS670KS 128GB/6GB) | Redmi Note 9 (128GB Global) | |
| Display type | Super AMOLED | TFT IPS LCD |
| Screen size | 6.67" inches | 6.53" inches |
| Screen-to-body ratio | ~84.2% (screen-to-body ratio) | ~83.5% (screen-to-body ratio) |
| Display resolution | 1080x2400 pixels (20:9) | 1080x2340 pixels (19.5:9) |
| Touchscreen | Capacitive Multitouch 10-points | Capacitive Multitouch |
| Pixel density (dot pitch) | 395 PPI | 395 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 6 | Gorilla Glass 5 |
| Refresh rate | 90Hz | 60Hz |
| Display features | 700nits[peak] HDR10+ | 450nits[typ] |
🤖 Operating System | ||
| Asus Zenfone 7 (ZS670KS 128GB/6GB) | Redmi Note 9 (128GB Global) | |
| System version | Android 10 | Android 10 |
| Firmware update | Android 12 | Android 11 |
| User Interface | ZenUI 8 | MIUI 11 / 12 |
⚙️ Processor | ||
| Asus Zenfone 7 (ZS670KS 128GB/6GB) | Redmi Note 9 (128GB Global) | |
| Chipset | 64bit: Qualcomm Snapdragon 865 (SM8250) (7nm) | 64bit: MediaTek Helio G85 (12nm) |
| CPU | Octa-core, 3 processors: 1x 2.84GHz Kryo 585 (Single-core) 3x 2.42GHz Kryo 585 (Triple-core) 4x 1.8GHz Kryo 585 (Quad-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 650 (250-587MHz) | ARM Mali-G52 MC2 (1GHz) |
| Performance (benchmark) | feature not registered | AnTuTu: 200451 (v8) Geekbench: 1292 (v5.1) |
💽 Memory and storage | ||
| Asus Zenfone 7 (ZS670KS 128GB/6GB) | Redmi Note 9 (128GB Global) | |
| RAM memory | 6GB LPDDR5 | 4GB LPDDR4X |
| Internal storage | 128GB (104GB available) UFS 3.1 | 128GB (106GB available) eMMC 5.1 |
| External storage | Until 1TB microSD, microSDXC (dedicated slot) | Until 512GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Asus Zenfone 7 (ZS670KS 128GB/6GB) | Redmi Note 9 (128GB Global) | |
| 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) nano-SIM (4FF) | 2 slots (Dual-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 2000/1024 Mbps | 300/150 Mbps |
| Network technology | 2G, 3G, 4G, 5G | 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 800/850/900/1700/1900/2100 | UMTS 850/900/1700/1900/2100 |
| Primary 4G network | LTE Cat19 (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 29) TD-LTE (38, 39, 40, 41) VoLTE | LTE Cat7 (1, 2, 3, 4, 5, 7, 8, 20, 28) TD-LTE (38, 40, 41) VoLTE |
| Primary 5G network | SA/NSA (1, 2, 3, 5, 7, 8, 12, 20, 28, 38, 77, 78) | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA | 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 | UMTS 800/850/900/1700/1900/2100 | UMTS 850/900/1700/1900/2100 |
| Secondary 4G network | LTE Cat19 (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 29) TD-LTE (38, 39, 40, 41) VoLTE | LTE Cat7 (1, 2, 3, 4, 5, 7, 8, 20, 28) TD-LTE (38, 40, 41) VoLTE |
| Secondary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A |
📷 Camera | ||
| Asus Zenfone 7 (ZS670KS 128GB/6GB) | Redmi Note 9 (128GB Global) | |
| Back camera (main camera) | (triple camera) 64 megapixels 12MP ultrawide f/2.2113°17mm1/2.55"1.4µmPDAF 8MP telephoto f/2.480mmPDAF3x-optical-zoom | (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 | 10120x6328 pixels | 8000x6000 pixels |
| Video recording (primary) | 8K UHD (7680x4320) 30 fps | Full HD (1920x1080) 30 fps |
| Flash | Dual-LED flash | LED flash |
| Focal aperture | f/1.8 (aperture) | f/1.8 (aperture) |
| Focal length | 26mm lens | 26mm lens |
| Sensor size | 1/1.72" inches | 1/2" inches |
| Pixel size | 0.8µm 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 | Digital and optical zoom | Only digital 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 on both cameras |
| Camera extras | 4K@120fps 1080p@240fps 720p@480fps | feature not registered |
📸 Front camera | ||
| Asus Zenfone 7 (ZS670KS 128GB/6GB) | Redmi Note 9 (128GB Global) | |
| Front camera (secondary) | Uses the back motorized camera (flip-up/rotating) | 13 megapixels |
| Front camera resolution | 10120x6328 pixels | 4128x3096 pixels |
| Video recording (secondary) | 8K UHD (7680x4320) | Full HD (1920x1080) |
| Front flash | Dual-LED flash | Not supported |
| Focal aperture | f/1.8 (aperture) | f/2.3 (aperture) |
| Focal length | 26mm lens | 29mm lens |
| Sensor size | 1/1.72" inches | 1/3.06" inches |
| Pixel size | 0.8µm pixel | 1.12µm pixel |
🔉 Sound and multimedia | ||
| Asus Zenfone 7 (ZS670KS 128GB/6GB) | Redmi Note 9 (128GB Global) | |
| Loudspeaker | Stereo sound 24-bit/192kHz | 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.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 | ||
| Asus Zenfone 7 (ZS670KS 128GB/6GB) | Redmi Note 9 (128GB Global) | |
| 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 | 3.5mm jack |
| TV output | USB Type-C (reversible) | USB Type-C (reversible) |
| Bluetooth | 5.1 + A2DP/LE | 5.0 + A2DP/LE |
| WiFi | 802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO 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, GALILEO, BeiDou, QZSS, NavIC | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou |
| NFC | Supported | Supported |
| Infrared port | Not supported | Supported |
🧭 Sensors | ||
| Asus Zenfone 7 (ZS670KS 128GB/6GB) | Redmi Note 9 (128GB Global) | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (side-mounted) Gyroscope Hall effect Proximity sensor | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (rear-mounted) Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Asus Zenfone 7 (ZS670KS 128GB/6GB) | Redmi Note 9 (128GB Global) | |
| Battery type | LiPo: li-ion polymer (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 5000 mAh | 5020 mAh |
| Charger, watts | 30W Wired fast charging Reverse charging by cable Quick Charge 4 USB Power Delivery 3.0 | 18W Wired fast charging 9W Reverse charging by cable |
| Inductive / wireless charging | Not supported | Not supported |
| Talk time autonomy | feature not registered | 33 hours (1.4 days) |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Asus Zenfone 7 (ZS670KS 128GB/6GB) | 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: Aurora Black, Pastel White • Silicon case included | • Colors: Forest Green, Midnight Grey, Polar White • 22.5W charger (18W phone support) |
☢️ Radiation rate | ||
| Asus Zenfone 7 (ZS670KS 128GB/6GB) | 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) |