Asus Zenfone 8 (128GB/6GB) vs Asus Zenfone 9 (128GB/6GB)
Side by side comparison between Asus Zenfone 8 vs Asus Zenfone 9 phones, differences, pros, cons and full specifications. What's the better?
,
5.9"
AMOLED
AMOLED
1080x2400
64
MP
MP
12mp
6GB
RAM
RAM
Octa-core
4000
mAh
mAh
(Non removable)
vs
5.9"
AMOLED
AMOLED
1080x2400
50
MP
MP
12mp
6GB
RAM
RAM
Octa-core
4300
mAh
mAh
(Non removable)
What's the better phone? Asus Zenfone 8 (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!
 4 Advantages Asus Zenfone 8 (128GB/6GB) | vs |  4 Advantages Asus Zenfone 9 (128GB/6GB) |
| +8.9 millimeters (0.35 inches)2% Thinner | vs | 9.1 millimeters (0.36 inches) |
| +(dual camera) 64MP + 12MP23% Higher resolution main camera | vs | (dual camera) 50MP + 12MP |
| +f/1.8 (aperture)6% Diaphragm opening (Aperture) of the camera which has the smallest F number takes photos with better light exposure. | vs | f/1.9 (aperture) |
| +FMAdvantage The radio lets you listen to your songs and sports in general | vs | Not supported |
| 2.84GHz 64bit Octa-core (5nm) | vs | +3.19GHz 64bit Octa-core (4nm)24% More powerful processor, you can open your applications faster |
| 1/1.73" inches | vs | +1/1.56" inches11% The larger sensor camera lets you take photos with better depth. |
| 4000 mAh | vs | +4300 mAh8% Battery - higher amperage (mAh) allows more device usage time, but it also depends on the hardware and use |
| Not supported | vs | +DLNAAdvantage With DLNA technology you can access and play media files on TV, tablet or DLNA compatible device. |
| 45 Common items in both devices |
| 6GB LPDDR5 |
| 128GB (107GB available) / 128GB (104GB available) |
| UFS 3.1 |
| 169 grams (5.92 ounces) |
| Aluminum frame, glass front/back / Aluminum body, glass front, plastic back |
| Super AMOLED |
| HDR10+ |
| +38 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 (128GB/6GB) | Asus Zenfone 9 (128GB/6GB) | |
| Model | Zenfone 8 (128GB/6GB) | Zenfone 9 (128GB/6GB) |
| Other model names | Asus Zenfone 8 (ZS590KS, ZS590KS-2A007EU) | Zenfone 9z AI2202-1A028BR, AI2202-1A006EU, 90AI00C3-M000X0 |
| Country or region available |  (Global, International) | (Global, International) |
| Brand | Asus | Asus |
| Release date | 5/13/2021, Announced: 5/12/2021 | 9/15/2022, Announced: 7/28/2022 |
| Depth | 8.9 millimeters (0.35 inches) | 9.1 millimeters (0.36 inches) |
| Size (width x height) | 68.5 x 148 millimeters (2.7 x 5.83 in) | 68.1 x 146.5 millimeters (2.68 x 5.77 in) |
| Weight | 169 grams (5.92 ounces) | 169 grams (5.92 ounces) |
| Build, materials | Aluminum frame, glass front/back | Aluminum body, glass front, plastic back |
| Protection against water and others | IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant | IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant |
📲 Display | ||
| Asus Zenfone 8 (128GB/6GB) | Asus Zenfone 9 (128GB/6GB) | |
| Display type | Super AMOLED | Super AMOLED |
| Screen size | 5.9" inches | 5.9" inches |
| Screen-to-body ratio | ~82.9% (screen-to-body ratio) | ~84.2% (screen-to-body ratio) |
| Display resolution | 1080x2400 pixels (20:9) | 1080x2400 pixels (20:9) |
| Touchscreen | Capacitive Multitouch 10-points | Capacitive Multitouch 10-points |
| Pixel density (dot pitch) | 446 PPI | 446 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass Victus | Gorilla Glass Victus |
| Refresh rate | 120Hz | 120Hz |
| Display features | 700nits[typ], 1100nits[peak] HDR10+ Always-On Display | 1100nits[peak] HDR10+ Always-On Display |
🤖 Operating System | ||
| Asus Zenfone 8 (128GB/6GB) | Asus Zenfone 9 (128GB/6GB) | |
| System version | Android 11 | Android 12 |
| Firmware update | Android 13 | Android 13 |
| User Interface | ZenUI 8 / 9 / 10 | ZenUI 9 |
⚙️ Processor | ||
| Asus Zenfone 8 (128GB/6GB) | Asus Zenfone 9 (128GB/6GB) | |
| Chipset | 64bit: Qualcomm Snapdragon 888 (SM8350) (5nm) | 64bit: Qualcomm Snapdragon 8+ Gen 1 (SM8475) (4nm) |
| 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, 3 processors: 1x 3.19GHz ARM Cortex-X2 (Single-core) 3x 2.75GHz ARM Cortex-A710 (Triple-core) 4x 2GHz ARM Cortex-A510 (Quad-core) |
| GPU graphical controller | Qualcomm Adreno 660 (840MHz) | Qualcomm Adreno 730 (818MHz) |
| Performance (benchmark) | AnTuTu: 676001 (v8), 799738 (v9) Geekbench: 3604 (v5.1) GFXBench: 61fps (ES 3.1 onscreen) | AnTuTu: 1083028 (v9) Geekbench: 4338 (v5.1) GFXBench: 89fps (ES 3.1 onscreen) |
💽 Memory and storage | ||
| Asus Zenfone 8 (128GB/6GB) | Asus Zenfone 9 (128GB/6GB) | |
| RAM memory | 6GB LPDDR5 | 6GB LPDDR5 |
| Internal storage | 128GB (107GB available) UFS 3.1 | 128GB (104GB available) UFS 3.1 |
| External storage | Not supported | Not supported |
📶 Mobile networks | ||
| Asus Zenfone 8 (128GB/6GB) | Asus Zenfone 9 (128GB/6GB) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card | 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 | 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 800/850/900/1700/1900/2100 |
| Primary 4G network | 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) | LTE Cat20 VoLTE A version: LTE (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28) TD-LTE (34, 38, 39, 40, 41, 42) B version: LTE (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28) TD-LTE (34, 38, 39, 40, 41, 42) C version: LTE (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 25, 26, 28, 30, 66, 71) TD-LTE (34, 38, 39, 40, 41, 42) |
| Primary 5G network | 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) | A version: SA/NSA (1, 2, 3, 5, 7, 8, 12, 20, 28, 38, 77, 78) B version: SA/NSA (1, 2, 3, 5, 7, 8, 12, 20, 28, 38, 41, 77, 78) C version: SA/NSA (1, 2, 3, 5, 7, 8, 12, 20, 25, 28, 38, 40, 41, 66, 71, 77, 78) |
| 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 800/850/900/1700/1900/2100 |
| Secondary 4G network | 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) | LTE Cat20 VoLTE A version: LTE (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28) TD-LTE (34, 38, 39, 40, 41, 42) B version: LTE (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 26, 28) TD-LTE (34, 38, 39, 40, 41, 42) C version: LTE (1, 2, 3, 4, 5, 7, 8, 12, 17, 18, 19, 20, 25, 26, 28, 30, 66, 71) 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, SA/NSA |
📷 Camera | ||
| Asus Zenfone 8 (128GB/6GB) | Asus Zenfone 9 (128GB/6GB) | |
| Back camera (main camera) | (dual camera) 64 megapixels 12MP ultrawide f/2.2112°14mm1/2.55"1.4µmPDAF | (dual camera) 50 megapixels 12MP ultrawide f/2.214.4mm113°1/2.93"1.4µmAF |
| Main camera resolution | 10120x6328 pixels | 8160x6120 pixels |
| Video recording (primary) | 8K UHD (7680x4320) 24 fps | 8K UHD (7680x4320) 24 fps |
| Flash | LED flash | LED flash |
| Focal aperture | f/1.8 (aperture) | f/1.9 (aperture) |
| Focal length | 26mm lens | 24mm lens |
| Sensor size | 1/1.73" inches | 1/1.56" inches |
| Pixel size | 0.8µm pixel | 1µm pixel |
| Autofocus | PDAF: phase detection autofocus | PDAF: phase detection autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | OIS (4-axis): Optical stabilization | OIS: 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/video on both cameras | HDR photo/video on both cameras |
| Camera extras | 4K@120fps 1080p@240fps 720p@480fps | 4K@30/60/120fps 1080p@30/60/240fps 720p@480fps |
📸 Front camera | ||
| Asus Zenfone 8 (128GB/6GB) | Asus Zenfone 9 (128GB/6GB) | |
| Front camera (secondary) | 12 megapixels | 12 megapixels |
| Front camera resolution | 4000x3000 pixels | 4000x3000 pixels |
| Video recording (secondary) | 4K UHD (3840x2160) | 4K UHD (3840x2160) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.5 (aperture) | f/2.5 (aperture) |
| Focal length | 28mm lens | 27mm lens |
| Sensor size | 1/2.93" inches | 1/2.93" inches |
| Pixel size | 1.22µm pixel | 1.22µm pixel |
🔉 Sound and multimedia | ||
| Asus Zenfone 8 (128GB/6GB) | Asus Zenfone 9 (128GB/6GB) | |
| Loudspeaker | Stereo sound 32-bit/384kHz | Stereo sound 24-bit/192kHz |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | FM | Not supported |
| 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 (128GB/6GB) | Asus Zenfone 9 (128GB/6GB) | |
| 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 | 5.2 + A2DP/LE | 5.2 + A2DP/LE |
| WiFi | 802.11 a/b/g/n/ac/ax [wifi6E/6] (2.4GHz, 5GHz, 6GHz) + 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 | Supported |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS, NavIC | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS, NavIC |
| NFC | Supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Asus Zenfone 8 (128GB/6GB) | Asus Zenfone 9 (128GB/6GB) | |
| Sensors | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (under display) Gyroscope Hall effect Proximity sensor | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (side-mounted) Gyroscope Hall effect Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Asus Zenfone 8 (128GB/6GB) | Asus Zenfone 9 (128GB/6GB) | |
| Battery type | LiPo: li-ion polymer (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 4000 mAh | 4300 mAh |
| Charger, watts | 30W Wired fast charging 5W Reverse charging by cable Quick Charge 4 USB Power Delivery 3.0 | 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 | ||
| Asus Zenfone 8 (128GB/6GB) | Asus Zenfone 9 (128GB/6GB) | |
| 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: Obsidian Black, Horizon Silver | • Colors: Black, Blue, Red, Silver |
☢️ Radiation rate | ||
| Asus Zenfone 8 (128GB/6GB) | Asus Zenfone 9 (128GB/6GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |