Xiaomi Redmi Note 9S (64GB) vs Asus Zenfone 8 (128GB/8GB)
Side by side comparison between Xiaomi Redmi Note 9S vs Asus Zenfone 8 phones, differences, pros, cons and full specifications. What's the better?
,
6.67"
IPS
IPS
1080x2400
48
MP
MP
16mp
4GB
RAM
RAM
Octa-core
5020
mAh
mAh
(Non removable)
vs
5.9"
AMOLED
AMOLED
1080x2400
64
MP
MP
12mp
8GB
RAM
RAM
Octa-core
4000
mAh
mAh
(Non removable)
What's the better phone? Asus Zenfone 8 (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!
5 Advantages 
24 Advantages | 24 Common items in both devices |
| 16 million |
| 1080x2400 pixels |
| LED flash |
| Only digital zoom |
| PDAF: phase detection autofocus |
| HDR photo on both cameras / HDR photo/video on both cameras |
| f/1.8 (aperture) |
| +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 | ||
| Redmi Note 9S (64GB) | Asus Zenfone 8 (128GB/8GB) | |
| Model | Redmi Note 9S (64GB) | Zenfone 8 (128GB/8GB) |
| Other model names | Xiaomi Note 9S (M2003J6A1G Global version) 4GB RAM | Asus Zenfone 8 (ZS590KS, ZS590KS-2A007EU) |
| Country or region available |  (Global, International) | (Global, International) |
| Brand | Xiaomi | Asus |
| Release date | 4/30/2020, Announced: 3/23/2020 | 5/13/2021, Announced: 5/12/2021 |
| Depth | 8.8 millimeters (0.35 inches) | 8.9 millimeters (0.35 inches) |
| Size (width x height) | 76.68 x 165.75 millimeters (3.02 x 6.53 in) | 68.5 x 148 millimeters (2.7 x 5.83 in) |
| Weight | 209 grams (7.32 ounces) | 169 grams (5.92 ounces) |
| Build, materials | Plastic body, glass front/back | Aluminum frame, glass front/back |
| Protection against water and others | P2i certified: water repellent nano-coating | IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant |
📲 Display | ||
| Redmi Note 9S (64GB) | Asus Zenfone 8 (128GB/8GB) | |
| Display type | TFT IPS LCD | Super AMOLED |
| Screen size | 6.67" inches | 5.9" inches |
| Screen-to-body ratio | ~84.5% (screen-to-body ratio) | ~82.9% (screen-to-body ratio) |
| Display resolution | 1080x2400 pixels (20:9) | 1080x2400 pixels (20:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch 10-points |
| Pixel density (dot pitch) | 395 PPI | 446 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 5 | Gorilla Glass Victus |
| Refresh rate | 60Hz | 120Hz |
| Display features | 450nits[typ] HDR10 | 700nits[typ], 1100nits[peak] HDR10+ Always-On Display |
🤖 Operating System | ||
| Redmi Note 9S (64GB) | Asus Zenfone 8 (128GB/8GB) | |
| System version | Android 10 | Android 11 |
| Firmware update | Android 11 | Android 13 |
| User Interface | MIUI 11 / 12 | ZenUI 8 / 9 / 10 |
⚙️ Processor | ||
| Redmi Note 9S (64GB) | Asus Zenfone 8 (128GB/8GB) | |
| Chipset | 64bit: Qualcomm Snapdragon 720G (SM7125) (8nm) | 64bit: Qualcomm Snapdragon 888 (SM8350) (5nm) |
| CPU | Octa-core, 2 processors: 2x 2.3GHz Kryo 465 Gold (Dual-core) 6x 1.8GHz Kryo 465 Silver (Hexa-core) | 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) |
| GPU graphical controller | Qualcomm Adreno 618 (750MHz) | Qualcomm Adreno 660 (840MHz) |
| Performance (benchmark) | AnTuTu: 279625 (v8) Geekbench: 1785 (v5.1) GFXBench: 15fps (ES 3.1 onscreen) | AnTuTu: 676001 (v8), 799738 (v9) Geekbench: 3604 (v5.1) GFXBench: 61fps (ES 3.1 onscreen) |
💽 Memory and storage | ||
| Redmi Note 9S (64GB) | Asus Zenfone 8 (128GB/8GB) | |
| RAM memory | 4GB LPDDR4X | 8GB LPDDR5 |
| Internal storage | 64GB (50GB available) UFS 2.1 | 128GB (107GB available) UFS 3.1 |
| External storage | Until 512GB microSD, microSDXC (dedicated slot) | Not supported |
📶 Mobile networks | ||
| Redmi Note 9S (64GB) | Asus Zenfone 8 (128GB/8GB) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated slot) | 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 | 800/150 Mbps | 2000/1024 Mbps |
| Network technology | 2G, 3G, 4G | 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 850/900/1700/1900/2100 | UMTS 800/850/900/1700/1900/2100 |
| Primary 4G network | LTE Cat15/13 (1, 2, 3, 4, 5, 7, 8, 20, 28) TD-LTE (38, 40) VoLTE | LTE Cat20 VoLTE America version: LTE (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 25, 26, 30, 66, 71) TD-LTE (34, 38, 39, 40, 41, 42) Global version: LTE (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28) TD-LTE (34, 38, 39, 40, 41, 42) |
| Primary 5G network | Not supported | America version: SA/NSA (1, 2, 3, 5, 7, 8, 12, 20, 25, 38, 40, 66, 71, 77, 78) Global version: SA/NSA (1, 2, 3, 5, 7, 8, 12, 20, 28, 38, 77, 78) |
| Primary 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 |
| Secondary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Secondary 3G network | UMTS 850/900/1700/1900/2100 | UMTS 800/850/900/1700/1900/2100 |
| Secondary 4G network | LTE Cat15/13 (1, 2, 3, 4, 5, 7, 8, 20, 28) TD-LTE (38, 40) VoLTE | LTE Cat20 VoLTE America version: LTE (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 25, 26, 30, 66, 71) TD-LTE (34, 38, 39, 40, 41, 42) Global version: LTE (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28) TD-LTE (34, 38, 39, 40, 41, 42) |
| 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 | ||
| Redmi Note 9S (64GB) | Asus Zenfone 8 (128GB/8GB) | |
| Back camera (main camera) | (quad camera) 48 megapixels 8MP ultrawide f/2.213mm1/4"1.12µm119° 5MP macro f/2.41/5"1.12µmAF 2MP depth f/2.4 | (dual camera) 64 megapixels 12MP ultrawide f/2.2112°14mm1/2.55"1.4µmPDAF |
| Main camera resolution | 8000x6000 pixels | 10120x6328 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 30 fps | 8K UHD (7680x4320) 24 fps |
| Flash | LED flash | LED flash |
| Focal aperture | f/1.8 (aperture) | f/1.8 (aperture) |
| Focal length | 26mm lens | 26mm lens |
| Sensor size | 1/2" inches | 1/1.73" 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 | OIS (4-axis): Optical stabilization |
| Zoom | Only digital zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Supported | Supported |
| HDR | HDR photo on both cameras | HDR photo/video on both cameras |
| Camera extras | 4K@30fps 1080p@30/60fps 1080p@120fps (slow motion) 720p@960fps (slow motion) | 4K@120fps 1080p@240fps 720p@480fps |
📸 Front camera | ||
| Redmi Note 9S (64GB) | Asus Zenfone 8 (128GB/8GB) | |
| Front camera (secondary) | 16 megapixels | 12 megapixels |
| Front camera resolution | 4608x3456 pixels | 4000x3000 pixels |
| Video recording (secondary) | Full HD (1920x1080) | 4K UHD (3840x2160) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.5 (aperture) | f/2.5 (aperture) |
| Focal length | feature not registered | 28mm lens |
| Sensor size | 1/3.06" inches | 1/2.93" inches |
| Pixel size | 1µm pixel | 1.22µm pixel |
🔉 Sound and multimedia | ||
| Redmi Note 9S (64GB) | Asus Zenfone 8 (128GB/8GB) | |
| Loudspeaker | Mono sound (not stereo) | Stereo sound 32-bit/384kHz |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | FM | 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 | ||
| Redmi Note 9S (64GB) | Asus Zenfone 8 (128GB/8GB) | |
| USB | USB 2.0 Type-C, USB OTG On-The-Go | USB 2.0 Type-C, USB OTG On-The-Go |
| Audio output | 3.5mm jack | 3.5mm jack |
| TV output | USB Type-C (reversible) | USB Type-C (reversible) |
| Bluetooth | 5.0 + A2DP/LE | 5.2 + 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/ax [wifi6E/6] (2.4GHz, 5GHz, 6GHz) + MIMO WiFi Direct, hotspot |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS, NavIC |
| NFC | Not supported | Supported |
| Infrared port | Supported | Not supported |
🧭 Sensors | ||
| Redmi Note 9S (64GB) | Asus Zenfone 8 (128GB/8GB) | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (side-mounted) Gyroscope Proximity sensor | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (under display) Gyroscope Hall effect Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Redmi Note 9S (64GB) | Asus Zenfone 8 (128GB/8GB) | |
| Battery type | LiPo: li-ion polymer (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 5020 mAh | 4000 mAh |
| Charger, watts | 18W Wired fast charging | 30W Wired fast charging 5W Reverse charging by cable Quick Charge 4 USB Power Delivery 3.0 |
| 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 | ||
| Redmi Note 9S (64GB) | Asus Zenfone 8 (128GB/8GB) | |
| 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 Blue, Glacier White, Interstellar Black | • Colors: Obsidian Black, Horizon Silver |
☢️ Radiation rate | ||
| Redmi Note 9S (64GB) | Asus Zenfone 8 (128GB/8GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 0.96W/kg (head), 0.4W/kg (body) | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | 0.72W/kg (head), 0.98W/kg (body) | feature not registered |