Samsung Galaxy S8 (SM-G950U) vs Samsung Galaxy A9 2018 (SM-A920F/DS 128GB/6GB)
Side by side comparison between Samsung Galaxy S8 vs Samsung Galaxy A9 (2018) phones, differences, pros, cons and full specifications. What's the better?
,
5.8"
AMOLED
AMOLED
1440x2960
12.2
MP
MP
8mp
4GB
RAM
RAM
Octa-core
3000
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 S8 (SM-G950U)
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!
19 Advantages 
10 Advantages | 30 Common items in both devices |
| Until 1TB microSD, microSDXC |
| Aluminum frame, glass front/back / Aluminum body, glass front |
| Super AMOLED |
| 60Hz |
| 16 million |
| LED flash |
| PDAF on back camera and autofocus front camera / PDAF: phase detection autofocus |
| +23 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 S8 (SM-G950U) | Galaxy A9 2018 (SM-A920F/DS 128GB/6GB) | |
| Model | Galaxy S8 (SM-G950U) | Galaxy A9 2018 (SM-A920F/DS 128GB/6GB) |
| Other model names | Galaxy S8 G950U Unlocked (Snapdragon), Samsung Dream | Galaxy A9 SM-A920F/Dual-Sim (6GB RAM), SM-A920FZBJZTO |
| Country or region available |  USA |     (Europe), Brazil, India, Malaysia |
| Brand | Samsung | Samsung |
| Release date | 4/21/2017, Announced: 3/29/2017 | 10/11/2018 |
| Depth | 8 millimeters (0.31 inches) | 7.8 millimeters (0.31 inches) |
| Size (width x height) | 68.1 x 148.9 millimeters (2.68 x 5.86 in) | 77 x 162.5 millimeters (3.03 x 6.4 in) |
| Weight | 155 grams (5.43 ounces) | 183 grams (6.41 ounces) |
| Build, materials | Aluminum frame, glass front/back | 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 S8 (SM-G950U) | Galaxy A9 2018 (SM-A920F/DS 128GB/6GB) | |
| Display type | Super AMOLED | Super AMOLED |
| Screen size | 5.8" inches | 6.3" inches |
| Screen-to-body ratio | ~84.2% (screen-to-body ratio) | ~80.5% (screen-to-body ratio) |
| Display resolution | 1440x2960 pixels (18.5:9) | 1080x2220 pixels (18.5:9) |
| Touchscreen | Capacitive Multitouch 10-points | Capacitive Multitouch |
| Pixel density (dot pitch) | 568 PPI | 392 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 5 | Gorilla Glass 5 |
| Refresh rate | 60Hz | 60Hz |
| Display features | HDR10 | Not supported |
🤖 Operating System | ||
| Galaxy S8 (SM-G950U) | Galaxy A9 2018 (SM-A920F/DS 128GB/6GB) | |
| System version | Android 7.0 Nougat | Android 8.0 Oreo |
| Firmware update | Android 9.0 Pie | Android 9.0 Pie |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Galaxy S8 (SM-G950U) | Galaxy A9 2018 (SM-A920F/DS 128GB/6GB) | |
| Chipset | 64bit: Qualcomm Snapdragon 835 (MSM8998) (10nm) | 64bit: Qualcomm Snapdragon 660 SDM660 (14nm) |
| CPU | Octa-core, 2 processors: 4x 2.35GHz Kryo 280 (Quad-core) 4x 1.9GHz Kryo 280 (Quad-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 540 (670-710MHz) | Qualcomm Adreno 512 650Mhz |
| Performance (benchmark) | AnTuTu: 199022 (v7) Geekbench: 6656 (v4.4) GFXBench: 13fps (ES 3.1 onscreen) | feature not registered |
💽 Memory and storage | ||
| Galaxy S8 (SM-G950U) | Galaxy A9 2018 (SM-A920F/DS 128GB/6GB) | |
| RAM memory | 4GB LPDDR4 | 6GB LPDDR4X |
| Internal storage | 64GB (51GB available) UFS 2.0 | 128GB (110GB available) eMMC 5.1 |
| External storage | Until 1TB microSD, microSDXC (dedicated slot) | Until 1TB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Galaxy S8 (SM-G950U) | Galaxy A9 2018 (SM-A920F/DS 128GB/6GB) | |
| Dual-SIM | Not supported | Dual-SIM Standby - Call active on one sim card (dedicated slot) |
| SIM card | 1 slot (Single-SIM) nano-SIM (4FF) | 2 slots (Dual-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 1024/150 Mbps | 450/50 Mbps |
| Network technology | 2G, 3G, 4G | 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 Cat16 (1, 2, 3, 4, 5, 7, 8, 12, 20, 28, 29, 30) TD-LTE (38, 39, 40, 41) | LTE Cat9 (1, 3, 5, 7, 8, 20) TD-LTE (38, 40) |
| Primary 5G network | Not supported | 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 | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A |
| Secondary 2G network | Not supported | GSM 850/900/1800/1900 |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | Not supported | GPRS, EDGE |
📷 Camera | ||
| Galaxy S8 (SM-G950U) | Galaxy A9 2018 (SM-A920F/DS 128GB/6GB) | |
| Back camera (main camera) | 12.2 megapixels | (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 | 4032x3024 pixels | 5656x4240 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 30 fps | 4K UHD (3840x2160) 30 fps |
| Flash | LED flash | LED flash |
| Focal aperture | f/1.7 (aperture) | f/1.7 (aperture) |
| Focal length | 26mm lens | 27mm lens |
| Sensor size | 1/2.55" inches | 1/2.8" inches |
| Pixel size | 1.4µm pixel | 0.9µm pixel |
| Autofocus | PDAF on back camera and autofocus front camera | PDAF: phase detection autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | OIS: Optical stabilization | EIS: Digital stabilization |
| Zoom | Only digital 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 | feature not registered | feature not registered |
📸 Front camera | ||
| Galaxy S8 (SM-G950U) | Galaxy A9 2018 (SM-A920F/DS 128GB/6GB) | |
| Front camera (secondary) | 8 megapixels | 24 megapixels |
| Front camera resolution | 3264x2448 pixels | 5656x4240 pixels |
| Video recording (secondary) | 2K UHD (2560x1440) | Full HD (1920x1080) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/1.7 (aperture) | f/2.0 (aperture) |
| Focal length | 25mm lens | 27mm lens |
| Sensor size | 1/3.6" inches | 1/2.8" inches |
| Pixel size | 1.22µm pixel | 0.9µm pixel |
🔉 Sound and multimedia | ||
| Galaxy S8 (SM-G950U) | Galaxy A9 2018 (SM-A920F/DS 128GB/6GB) | |
| Loudspeaker | Supported | Supported |
| 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, DivX, XviD | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Galaxy S8 (SM-G950U) | Galaxy A9 2018 (SM-A920F/DS 128GB/6GB) | |
| USB | USB 3.1 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) | Not supported |
| Bluetooth | 5.0 + A2DP/LE | 5.0 + 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 [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 S8 (SM-G950U) | Galaxy A9 2018 (SM-A920F/DS 128GB/6GB) | |
| Sensors | Accelerometer Ambient light sensor ANT+ Barometer Compass Face unlock Fingerprint sensor (rear-mounted) Gyroscope Hall effect Heart rate Iris scanner Proximity sensor SpO2 | Accelerometer Ambient light sensor ANT+ Compass Fingerprint sensor (rear-mounted) Gyroscope Hall effect Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy S8 (SM-G950U) | Galaxy A9 2018 (SM-A920F/DS 128GB/6GB) | |
| Battery type | Li-Ion: lithium-ion (Non removable) | Li-Ion: lithium-ion (Non removable) |
| Battery capacity | 3000 mAh | 3800 mAh |
| Charger, watts | 15W (9V/1.67A) Wired fast charging Quick Charge 2 | 18W Wired fast charging |
| Inductive / wireless charging | Qi wireless charging (Qi/PMA) | Not supported |
| Talk time autonomy | 29 hours (1.2 days) | feature not registered |
| Standby | 326 hours (13.6 days) | feature not registered |
➕ Other features | ||
| Galaxy S8 (SM-G950U) | 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: Black, Silver, Blue, Gold, Orchid Gray • Samsung DeX (desktop experience) • Curved edge screen • Corning Gorilla Glass 5 back panel • Samsung Gear VR compatible • Samsung Pay • 32bit/192kHz audio | • Colors: Caviar Black, Lemonade Blue, Bubblegum Pink • Samsung Pay • Dolby Atmos |
☢️ Radiation rate | ||
| Galaxy S8 (SM-G950U) | Galaxy A9 2018 (SM-A920F/DS 128GB/6GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 0.75W/kg (head), 0.93W/kg (body) | 0.27W/kg (head), 0.84W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |