Samsung Galaxy S23 Ultra (SM-S918B/DS 256GB/12GB) vs Asus Zenfone 9 (128GB/6GB)
Side by side comparison between Samsung Galaxy S23 Ultra vs Asus Zenfone 9 phones, differences, pros, cons and full specifications. What's the better?
,
6.8"
AMOLED
AMOLED
1440x3088
200
MP
MP
12mp
12GB
RAM
RAM
Octa-core
5000
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? Samsung Galaxy S23 Ultra (SM-S918B/DS 256GB/12GB)
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!
22 Advantages 
2 Advantages | 31 Common items in both devices |
| Aluminum frame, glass front/back / Aluminum body, glass front, plastic back |
| Dynamic AMOLED / Super AMOLED |
| HDR10+ |
| 120Hz |
| 16 million |
| LED flash |
| PDAF: phase detection autofocus on both cameras / PDAF: phase detection autofocus |
| +24 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 | ||
| Galaxy S23 Ultra (SM-S918B/DS 256GB/12GB) | Asus Zenfone 9 (128GB/6GB) | |
| Model | Galaxy S23 Ultra (SM-S918B/DS 256GB/12GB) | Zenfone 9 (128GB/6GB) |
| Other model names | Galaxy S23 Ultra 5G (SM-S918B/Dual-SIM) | Zenfone 9z AI2202-1A028BR, AI2202-1A006EU, 90AI00C3-M000X0 |
| Country or region available |  (Global, International) | (Global, International) |
| Brand | Samsung | Asus |
| Release date | 2/17/2023, Announced: 2/1/2023 | 9/15/2022, Announced: 7/28/2022 |
| Depth | 8.9 millimeters (0.35 inches) | 9.1 millimeters (0.36 inches) |
| Size (width x height) | 78.1 x 163.4 millimeters (3.07 x 6.43 in) | 68.1 x 146.5 millimeters (2.68 x 5.77 in) |
| Weight | 234 grams (8.19 ounces) | 169 grams (5.92 ounces) |
| Build, materials | Aluminum frame, glass front/back Back: Gorilla Glass Victus 2 | 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 | ||
| Galaxy S23 Ultra (SM-S918B/DS 256GB/12GB) | Asus Zenfone 9 (128GB/6GB) | |
| Display type | Dynamic AMOLED | Super AMOLED |
| Screen size | 6.8" inches | 5.9" inches |
| Screen-to-body ratio | ~89.5% (screen-to-body ratio) | ~84.2% (screen-to-body ratio) |
| Display resolution | 1440x3088 pixels | 1080x2400 pixels (20:9) |
| Touchscreen | Capacitive Multitouch 10-points | Capacitive Multitouch 10-points |
| Pixel density (dot pitch) | 501 PPI | 446 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass Victus 2 | Gorilla Glass Victus |
| Refresh rate | 120Hz | 120Hz |
| Display features | 1750nits[peak] HDR10+ Always-On Display | 1100nits[peak] HDR10+ Always-On Display |
🤖 Operating System | ||
| Galaxy S23 Ultra (SM-S918B/DS 256GB/12GB) | Asus Zenfone 9 (128GB/6GB) | |
| System version | Android 13 | Android 12 |
| Firmware update | Android 14 | Android 13 |
| User Interface | One UI 5.1 / 6.0 | ZenUI 9 |
⚙️ Processor | ||
| Galaxy S23 Ultra (SM-S918B/DS 256GB/12GB) | Asus Zenfone 9 (128GB/6GB) | |
| Chipset | 64bit: Qualcomm Snapdragon 8 Gen 2 (SM8550-AC) (4nm) | 64bit: Qualcomm Snapdragon 8+ Gen 1 (SM8475) (4nm) |
| CPU | Octa-core, 3 processors: 1x 3.36GHz ARM Cortex-X3 (Single-core) 4x 2.8GHz ARM Cortex-A710/A715 (Quad-core) 3x 2GHz ARM Cortex-A510 (Triple-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 740 | Qualcomm Adreno 730 (818MHz) |
| Performance (benchmark) | AnTuTu: 1241613 (v9) Geekbench: 4927 (v5.1) GFXBench: 67fps (ES 3.1 onscreen) | AnTuTu: 1083028 (v9) Geekbench: 4338 (v5.1) GFXBench: 89fps (ES 3.1 onscreen) |
💽 Memory and storage | ||
| Galaxy S23 Ultra (SM-S918B/DS 256GB/12GB) | Asus Zenfone 9 (128GB/6GB) | |
| RAM memory | 12GB LPDDR5X | 6GB LPDDR5 |
| Internal storage | 256GB (218GB available) UFS 4.0 | 128GB (104GB available) UFS 3.1 |
| External storage | Not supported | Not supported |
📶 Mobile networks | ||
| Galaxy S23 Ultra (SM-S918B/DS 256GB/12GB) | 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) + e-SIM | 2 slots (Dual-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 3000/1920 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 | CDMA 800/1900, GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Primary 3G network | CDMA2000 1xEV-DO UMTS 850/900/1700/1900/2100 | UMTS 800/850/900/1700/1900/2100 |
| Primary 4G network | LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 29, 30, 66, 71) TD-LTE (38, 39, 40, 41, 46, 48) VoLTE | 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 | SA/NSA/Sub6 (1, 3, 5, 7, 8, 20, 28, 38, 41, 66, 71) | 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, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6 | 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 | CDMA2000 1xEV-DO UMTS 850/900/1700/1900/2100 | UMTS 800/850/900/1700/1900/2100 |
| Secondary 4G network | LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 29, 30, 66, 71) TD-LTE (38, 39, 40, 41, 46, 48) VoLTE | 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, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6 | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA |
📷 Camera | ||
| Galaxy S23 Ultra (SM-S918B/DS 256GB/12GB) | Asus Zenfone 9 (128GB/6GB) | |
| Back camera (main camera) | (quad camera) 200 megapixels 10MP periscope telephoto f/4.9230mm1/3.52"1.12µmPDAFOIS10x-optical-zoom 10MP telephoto f/2.470mm1/3.52"1.12µmPDAFOIS3x-optical-zoom 12MP ultrawide f/2.213mm120°1/2.55"1.4µmPDAFSuper-Steady | (dual camera) 50 megapixels 12MP ultrawide f/2.214.4mm113°1/2.93"1.4µmAF |
| Main camera resolution | 20000x10000 pixels | 8160x6120 pixels |
| Video recording (primary) | 8K UHD (7680x4320) 30 fps | 8K UHD (7680x4320) 24 fps |
| Flash | LED flash | LED flash |
| Focal aperture | f/1.7 (aperture) | f/1.9 (aperture) |
| Focal length | 24mm lens | 24mm lens |
| Sensor size | 1/1.3" inches | 1/1.56" inches |
| Pixel size | 0.6µm pixel | 1µm pixel |
| Autofocus | PDAF: phase detection autofocus on both cameras | PDAF: phase detection autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | OIS: Optical stabilization | OIS: Optical 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/video on both cameras |
| Camera extras | 8K@24/30fps 4K@30/60fps 1080p@30/60fps 1080p@240/960fps (slow motion) HDR10+ | 4K@30/60/120fps 1080p@30/60/240fps 720p@480fps |
📸 Front camera | ||
| Galaxy S23 Ultra (SM-S918B/DS 256GB/12GB) | 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/2.2 (aperture) | f/2.5 (aperture) |
| Focal length | 26mm lens | 27mm lens |
| Sensor size | feature not registered | 1/2.93" inches |
| Pixel size | feature not registered | 1.22µm pixel |
🔉 Sound and multimedia | ||
| Galaxy S23 Ultra (SM-S918B/DS 256GB/12GB) | Asus Zenfone 9 (128GB/6GB) | |
| Loudspeaker | Stereo sound 32-bit/384kHz Dolby Atmos Tuned by AKG | Stereo sound 24-bit/192kHz |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | Not supported | 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 | ||
| Galaxy S23 Ultra (SM-S918B/DS 256GB/12GB) | Asus Zenfone 9 (128GB/6GB) | |
| USB | USB 3.2 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 | 5.3 + 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 | Supported | Supported |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS, NavIC |
| NFC | Supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Galaxy S23 Ultra (SM-S918B/DS 256GB/12GB) | Asus Zenfone 9 (128GB/6GB) | |
| Sensors | Accelerometer Ambient light sensor Barometer Compass Face unlock Fingerprint sensor (under display) Gyroscope Hall effect Proximity sensor UWB (Ultra Wideband) | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (side-mounted) Gyroscope Hall effect Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy S23 Ultra (SM-S918B/DS 256GB/12GB) | Asus Zenfone 9 (128GB/6GB) | |
| Battery type | Li-Ion: lithium-ion (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 5000 mAh | 4300 mAh |
| Charger, watts | 45W Wired fast charging Reverse charging by cable 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 | 15W Qi wireless charging (Qi/PMA) 4.5W Reverse wireless charging | Not supported |
| Talk time autonomy | feature not registered | feature not registered |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Galaxy S23 Ultra (SM-S918B/DS 256GB/12GB) | 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: Phantom Black, Cream, Green, Lavender, Graphite, Sky Blue, Lime, Red • Samsung DeX • Samsung Pay (Visa, MasterCard) • S Pen (Stylus Pen): Bluetooth 2.8ms latency | • Colors: Black, Blue, Red, Silver |
☢️ Radiation rate | ||
| Galaxy S23 Ultra (SM-S918B/DS 256GB/12GB) | Asus Zenfone 9 (128GB/6GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 0.98W/kg (head), 1.1W/kg (body) | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | 0.963W/kg (head), 1.398W/kg (body) | feature not registered |