Samsung Galaxy S23 Ultra (SM-S918B/DS 512GB) vs Samsung Galaxy A9 2018 (SM-A920F/DS 128GB/6GB)
Side by side comparison between Samsung Galaxy S23 Ultra vs Samsung Galaxy A9 (2018) 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
6.3"
AMOLED
AMOLED
1080x2220
24
MP
MP
24mp
6GB
RAM
RAM
Octa-core
3800
mAh
mAh
(Non removable)
What's the better phone? Samsung Galaxy S23 Ultra (SM-S918B/DS 512GB)
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!
21 Common items in both devices |
Aluminum frame, glass front/back / Aluminum body, glass front |
Dynamic AMOLED / Super AMOLED |
16 million |
LED flash |
Digital and optical zoom |
PDAF: phase detection autofocus on both cameras / PDAF: phase detection autofocus |
HDR photo/video on both cameras / HDR photo on both cameras |
+14 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 512GB) | Galaxy A9 2018 (SM-A920F/DS 128GB/6GB) | |
Model | Galaxy S23 Ultra (SM-S918B/DS 512GB) | Galaxy A9 2018 (SM-A920F/DS 128GB/6GB) |
Other model names | Galaxy S23 Ultra 5G (SM-S918B/Dual-SIM) | Galaxy A9 SM-A920F/Dual-Sim (6GB RAM), SM-A920FZBJZTO |
Country or region available | (Global, International) | (Europe), Brazil, India, Malaysia |
Brand | Samsung | Samsung |
Release date | 2/17/2023, Announced: 2/1/2023 | 10/11/2018 |
Depth | 8.9 millimeters (0.35 inches) | 7.8 millimeters (0.31 inches) |
Size (width x height) | 78.1 x 163.4 millimeters (3.07 x 6.43 in) | 77 x 162.5 millimeters (3.03 x 6.4 in) |
Weight | 234 grams (8.19 ounces) | 183 grams (6.41 ounces) |
Build, materials | Aluminum frame, glass front/back Back: Gorilla Glass Victus 2 | Aluminum body, glass front |
Protection against water and others | IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant | Not supported |
📲 Display | ||
Galaxy S23 Ultra (SM-S918B/DS 512GB) | Galaxy A9 2018 (SM-A920F/DS 128GB/6GB) | |
Display type | Dynamic AMOLED | Super AMOLED |
Screen size | 6.8" inches | 6.3" inches |
Screen-to-body ratio | ~89.5% (screen-to-body ratio) | ~80.5% (screen-to-body ratio) |
Display resolution | 1440x3088 pixels | 1080x2220 pixels (18.5:9) |
Touchscreen | Capacitive Multitouch 10-points | Capacitive Multitouch |
Pixel density (dot pitch) | 501 PPI | 392 PPI |
Colors | 16 million | 16 million |
Scratch-resistant glass | Gorilla Glass Victus 2 | Gorilla Glass 5 |
Refresh rate | 120Hz | 60Hz |
Display features | 1750nits[peak] HDR10+ Always-On Display | Not supported |
🤖 Operating System | ||
Galaxy S23 Ultra (SM-S918B/DS 512GB) | Galaxy A9 2018 (SM-A920F/DS 128GB/6GB) | |
System version | Android 13 | Android 8.0 Oreo |
Firmware update | Android 14 | Android 9.0 Pie |
User Interface | One UI 5.1 / 6.0 | feature not registered |
⚙️ Processor | ||
Galaxy S23 Ultra (SM-S918B/DS 512GB) | Galaxy A9 2018 (SM-A920F/DS 128GB/6GB) | |
Chipset | 64bit: Qualcomm Snapdragon 8 Gen 2 (SM8550-AC) (4nm) | 64bit: Qualcomm Snapdragon 660 SDM660 (14nm) |
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, 2 processors: 4x 2.2GHz Kryo 260 Gold (Quad-core) 4x 1.8GHz Kryo 260 Silver (Quad-core) |
GPU graphical controller | Qualcomm Adreno 740 | Qualcomm Adreno 512 650Mhz |
Performance (benchmark) | AnTuTu: 1241613 (v9) Geekbench: 4927 (v5.1) GFXBench: 67fps (ES 3.1 onscreen) | feature not registered |
💽 Memory and storage | ||
Galaxy S23 Ultra (SM-S918B/DS 512GB) | Galaxy A9 2018 (SM-A920F/DS 128GB/6GB) | |
RAM memory | 12GB LPDDR5X | 6GB LPDDR4X |
Internal storage | 512GB (454GB available) UFS 4.0 | 128GB (110GB available) eMMC 5.1 |
External storage | Not supported | Until 1TB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
Galaxy S23 Ultra (SM-S918B/DS 512GB) | Galaxy A9 2018 (SM-A920F/DS 128GB/6GB) | |
Dual-SIM | Dual-SIM Standby - Call active on one sim card | Dual-SIM Standby - Call active on one sim card (dedicated slot) |
SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) + e-SIM | 2 slots (Dual-SIM) nano-SIM (4FF) |
Maximum Download / Upload | 3000/1920 Mbps | 450/50 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 | 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 850/900/1900/2100 |
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 Cat9 (1, 3, 5, 7, 8, 20) TD-LTE (38, 40) |
Primary 5G network | SA/NSA/Sub6 (1, 3, 5, 7, 8, 20, 28, 38, 41, 66, 71) | Not supported |
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 |
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 | Not supported |
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 | Not supported |
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 |
📷 Camera | ||
Galaxy S23 Ultra (SM-S918B/DS 512GB) | Galaxy A9 2018 (SM-A920F/DS 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 | (quad camera) 24 megapixels 10MP telephoto f/2.452mm1/3.9"1.0µmAF2x-optical-zoom 8MP ultrawide f/2.412mm1/4.0"1.12µm 5MP depth f/2.2 |
Main camera resolution | 20000x10000 pixels | 5656x4240 pixels |
Video recording (primary) | 8K UHD (7680x4320) 30 fps | 4K UHD (3840x2160) 30 fps |
Flash | LED flash | LED flash |
Focal aperture | f/1.7 (aperture) | f/1.7 (aperture) |
Focal length | 24mm lens | 27mm lens |
Sensor size | 1/1.3" inches | 1/2.8" inches |
Pixel size | 0.6µm pixel | 0.9µm pixel |
Autofocus | PDAF: phase detection autofocus on both cameras | PDAF: phase detection autofocus |
Touch focus | Supported | Supported |
Image stabilization | OIS: Optical stabilization | EIS: Digital stabilization |
Zoom | Digital and optical zoom | Digital and optical zoom |
Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
BSI sensor | Supported | Not supported |
HDR | HDR photo/video on both cameras | HDR photo on both cameras |
Camera extras | 8K@24/30fps 4K@30/60fps 1080p@30/60fps 1080p@240/960fps (slow motion) HDR10+ | feature not registered |
📸 Front camera | ||
Galaxy S23 Ultra (SM-S918B/DS 512GB) | Galaxy A9 2018 (SM-A920F/DS 128GB/6GB) | |
Front camera (secondary) | 12 megapixels | 24 megapixels |
Front camera resolution | 4000x3000 pixels | 5656x4240 pixels |
Video recording (secondary) | 4K UHD (3840x2160) | Full HD (1920x1080) |
Front flash | Not supported | Not supported |
Focal aperture | f/2.2 (aperture) | f/2.0 (aperture) |
Focal length | 26mm lens | 27mm lens |
Sensor size | feature not registered | 1/2.8" inches |
Pixel size | feature not registered | 0.9µm pixel |
🔉 Sound and multimedia | ||
Galaxy S23 Ultra (SM-S918B/DS 512GB) | Galaxy A9 2018 (SM-A920F/DS 128GB/6GB) | |
Loudspeaker | Stereo sound 32-bit/384kHz Dolby Atmos Tuned by AKG | Supported |
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 | ||
Galaxy S23 Ultra (SM-S918B/DS 512GB) | Galaxy A9 2018 (SM-A920F/DS 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) | Not supported |
Bluetooth | 5.3 + A2DP/LE | 5.0 + 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 [wifi5] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot |
DLNA | Supported | Not supported |
GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou |
NFC | Supported | Supported |
Infrared port | Not supported | Not supported |
🧭 Sensors | ||
Galaxy S23 Ultra (SM-S918B/DS 512GB) | Galaxy A9 2018 (SM-A920F/DS 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 ANT+ Compass Fingerprint sensor (rear-mounted) Gyroscope Hall effect Proximity sensor |
Vibrating alert | Supported | Supported |
🔋 Battery | ||
Galaxy S23 Ultra (SM-S918B/DS 512GB) | Galaxy A9 2018 (SM-A920F/DS 128GB/6GB) | |
Battery type | Li-Ion: lithium-ion (Non removable) | Li-Ion: lithium-ion (Non removable) |
Battery capacity | 5000 mAh | 3800 mAh |
Charger, watts | 45W Wired fast charging Reverse charging by cable USB Power Delivery 3.0 | 18W Wired fast charging |
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 512GB) | Galaxy A9 2018 (SM-A920F/DS 128GB/6GB) | |
Call control | Voice dialing, Voice recorder, Voice commands | Voice dialing, Voice recorder |
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: Caviar Black, Lemonade Blue, Bubblegum Pink • Samsung Pay • Dolby Atmos |
☢️ Radiation rate | ||
Galaxy S23 Ultra (SM-S918B/DS 512GB) | Galaxy A9 2018 (SM-A920F/DS 128GB/6GB) | |
SAR 1.6W/kg (USA, Mexico, etc.) | 0.98W/kg (head), 1.1W/kg (body) | 0.27W/kg (head), 0.84W/kg (body) |
SAR 2W/kg (Europe, UK, etc.) | 0.963W/kg (head), 1.398W/kg (body) | feature not registered |