Asus Zenfone 8 Flip (128GB) vs Xiaomi Redmi Note 9T (128GB/4GB)
Side by side comparison between Asus Zenfone 8 Flip vs Xiaomi Redmi Note 9T phones, differences, pros, cons and full specifications. What's the better?
,
6.67"
AMOLED
AMOLED
1080x2400
64
MP
MP
64mp
8GB
RAM
RAM
Octa-core
5000
mAh
mAh
(Non removable)
vs
6.53"
IPS
IPS
1080x2340
48
MP
MP
13mp
4GB
RAM
RAM
Octa-core
5000
mAh
mAh
(Non removable)
What's the better phone? Asus Zenfone 8 Flip (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!
23 Advantages 
2 Advantages | 33 Common items in both devices |
| 128GB (107GB available) / 128GB (101GB available) |
| Until 1TB microSD, microSDXC |
| 16 million |
| 395 PPI |
| PDAF: phase detection autofocus |
| EIS: Digital stabilization |
| BSI sensor |
| +26 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 8 Flip (128GB) | Redmi Note 9T (128GB/4GB) | |
| Model | Zenfone 8 Flip (128GB) | Redmi Note 9T (128GB/4GB) |
| Other model names | Asus Zenfone 8 (ZS672KS) | Redmi Note 9T 5G M2007J22G |
| Country or region available |  (Global, International) | (Global, International) |
| Brand | Asus | Xiaomi |
| Release date | 5/13/2021, Announced: 5/12/2021 | 1/18/2021, Announced: 1/8/2021 |
| Depth | 8.9 millimeters (0.35 inches) | 9 millimeters (0.35 inches) |
| Size (width x height) | 68.5 x 148 millimeters (2.7 x 5.83 in) | 77.3 x 161.9 millimeters (3.04 x 6.37 in) |
| Weight | 169 grams (5.92 ounces) | 199 grams (6.97 ounces) |
| Build, materials | Aluminum frame, glass front/back | Plastic body, glass front |
| Protection against water and others | IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant | Water repellent nano-coating (don't immerse) |
📲 Display | ||
| Asus Zenfone 8 Flip (128GB) | Redmi Note 9T (128GB/4GB) | |
| Display type | Super AMOLED | TFT IPS LCD |
| Screen size | 6.67" inches | 6.53" inches |
| Screen-to-body ratio | ~105.9% (screen-to-body ratio) | ~83.6% (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[typ], 1000nits[peak] HDR10+ Always-On Display | 450nits[typ] 2.5D glass |
🤖 Operating System | ||
| Asus Zenfone 8 Flip (128GB) | Redmi Note 9T (128GB/4GB) | |
| System version | Android 11 | Android 10 |
| Firmware update | Android 13 | Android 12 |
| User Interface | ZenUI 8 / 9 / 10 | MIUI 12 / 13 |
⚙️ Processor | ||
| Asus Zenfone 8 Flip (128GB) | Redmi Note 9T (128GB/4GB) | |
| Chipset | 64bit: Qualcomm Snapdragon 888 (SM8350) (5nm) | 64bit: MediaTek Dimensity 800U (7nm) |
| CPU | 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) | Octa-core, 2 processors: 2x 2.4GHz ARM Cortex-A76 (Dual-core) 6x 2GHz ARM Cortex-A55 (Hexa-core) |
| GPU graphical controller | Qualcomm Adreno 660 (840MHz) | ARM Mali-G57 MC3 (850MHz) |
| Performance (benchmark) | AnTuTu: 675851 (v8), 797848(v9) Geekbench: 3673 (v5.1) GFXBench: 62fps (ES 3.1 onscreen) | AnTuTu: 288732 (v8) Geekbench: 1775 (v5.1) |
💽 Memory and storage | ||
| Asus Zenfone 8 Flip (128GB) | Redmi Note 9T (128GB/4GB) | |
| RAM memory | 8GB LPDDR5 | 4GB LPDDR4X |
| Internal storage | 128GB (107GB available) UFS 3.1 | 128GB (101GB available) UFS 2.2 |
| External storage | Until 1TB microSD, microSDXC (dedicated slot) | Until 1TB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Asus Zenfone 8 Flip (128GB) | Redmi Note 9T (128GB/4GB) | |
| 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 | 2000/1024 Mbps |
| Network technology | 2G, 3G, 4G, 5G | 2G, 3G, 4G, 5G |
| 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 Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28) TD-LTE (34, 38, 39, 40, 41, 42) VoLTE | LTE Cat12 (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 32) TD-LTE (38, 40, 41, 42) VoLTE |
| Primary 5G network | SA/NSA (1, 2, 3, 5, 7, 8, 12, 20, 28, 38, 77, 78) | 1, 3, 5, 7, 8, 20, 28, 38, 41, 77, 78, 79 SA/NSA/Sub6 |
| 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, SA/NSA |
| 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 Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28) TD-LTE (34, 38, 39, 40, 41, 42) VoLTE | LTE Cat12 (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28, 32) TD-LTE (38, 40, 41, 42) 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, SA/NSA |
📷 Camera | ||
| Asus Zenfone 8 Flip (128GB) | Redmi Note 9T (128GB/4GB) | |
| Back camera (main camera) | (triple camera) 64 megapixels 12MP ultrawide f/2.2112°14mm1/2.55"1.4µmPDAF 8MP telephoto f/2.480mmPDAF3x-optical-zoom | (triple camera) 48 megapixels 2MP macro f/2.4 2MP depth f/2.4 |
| Main camera resolution | 10120x6328 pixels | 8000x6000 pixels |
| Video recording (primary) | 8K UHD (7680x4320) 24 fps | 4K UHD (3840x2160) 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 | 1/1.73" 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 | 1080p@30/60fps |
📸 Front camera | ||
| Asus Zenfone 8 Flip (128GB) | Redmi Note 9T (128GB/4GB) | |
| 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 | 1/1.73" inches | 1/3.1" inches |
| Pixel size | 0.8µm pixel | 1.12µm pixel |
🔉 Sound and multimedia | ||
| Asus Zenfone 8 Flip (128GB) | Redmi Note 9T (128GB/4GB) | |
| Loudspeaker | Stereo sound 24-bit/192kHz | Stereo sound with dual speakers 24-bit/192kHz |
| 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 8 Flip (128GB) | Redmi Note 9T (128GB/4GB) | |
| 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 reversible connector | 3.5mm jack |
| TV output | USB Type-C (reversible) | USB Type-C (reversible) |
| Bluetooth | 5.2 + A2DP/LE | 5.1 + 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 8 Flip (128GB) | Redmi Note 9T (128GB/4GB) | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (under display) Gyroscope Hall effect Proximity sensor | Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (side-mounted) Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Asus Zenfone 8 Flip (128GB) | Redmi Note 9T (128GB/4GB) | |
| Battery type | LiPo: li-ion polymer (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 5000 mAh | 5000 mAh |
| Charger, watts | 30W Wired fast charging 5W Reverse charging by cable Quick Charge 4 USB Power Delivery 3.0 | 18W Wired fast charging |
| Inductive / wireless charging | Not supported | Not supported |
| Talk time autonomy | feature not registered | feature not registered |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Asus Zenfone 8 Flip (128GB) | Redmi Note 9T (128GB/4GB) | |
| 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: Galactic Black, Glacier Silver | • Colors: Nightfall Black, Daybreak Purple |
☢️ Radiation rate | ||
| Asus Zenfone 8 Flip (128GB) | Redmi Note 9T (128GB/4GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 1.07W/kg (head), 1.05W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | 0.59W/kg (head), 0.94W/kg (body) |