Samsung Galaxy S9 (SM-G9600 128GB) vs Samsung Galaxy A55 (SM-A556E/DS 128GB)
Side by side comparison between Samsung Galaxy S9 vs Samsung Galaxy A55 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
6.6"
AMOLED
AMOLED
1080x2340
50
MP
MP
32mp
8GB
RAM
RAM
Octa-core
5000
mAh
mAh
(Non removable)
What's the better phone? Samsung Galaxy A55 (SM-A556E/DS 128GB)
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!
15 Advantages 
19 Advantages | 31 Common items in both devices |
| 128GB (111GB available) / 128GB (109GB available) |
| Until 1TB microSD, microSDXC |
| Aluminum frame, glass front/back |
| Super AMOLED |
| 16 million |
| LED flash |
| Only digital zoom |
| +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 S9 (SM-G9600 128GB) | Galaxy A55 (SM-A556E/DS 128GB) | |
| Model | Galaxy S9 (SM-G9600 128GB) | Galaxy A55 (SM-A556E/DS 128GB) |
| Other model names | Galaxy S9 SM-G9600/DS (Snapdragon) Dual-sim | Galaxy A55 5G SM-A556E/Dual-SIM |
| Country or region available |   Brazil, China |  (Latin America), Brazil |
| Brand | Samsung | Samsung |
| Release date | 3/9/2018, Announced: 2/25/2018 | 3/15/2024, Announced: 3/11/2024 |
| Depth | 8.5 millimeters (0.33 inches) | 8.2 millimeters (0.32 inches) |
| Size (width x height) | 68.7 x 147.7 millimeters (2.7 x 5.81 in) | 77.4 x 161.1 millimeters (3.05 x 6.34 in) |
| Weight | 163 grams (5.71 ounces) | 213 grams (7.46 ounces) |
| Build, materials | Aluminum frame, glass front/back Back: Gorilla Glass 5 | Aluminum frame, glass front/back Back: Corning Gorilla Glass |
| Protection against water and others | IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant | IP67 certified: dust proof and waterproof over 1 meter and 30min |
📲 Display | ||
| Galaxy S9 (SM-G9600 128GB) | Galaxy A55 (SM-A556E/DS 128GB) | |
| Display type | Super AMOLED | Super AMOLED |
| Screen size | 5.8" inches | 6.6" inches |
| Screen-to-body ratio | ~84.1% (screen-to-body ratio) | ~85.8% (screen-to-body ratio) |
| Display resolution | 1440x2960 pixels (18.5:9) | 1080x2340 pixels (19.5:9) |
| Touchscreen | Capacitive Multitouch 10-points | Capacitive Multitouch |
| Pixel density (dot pitch) | 568 PPI | 390 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 5 | Gorilla Glass Victus |
| Refresh rate | 60Hz | 120Hz |
| Display features | HDR10 Always-On Display | HDR10+ Always-On Display |
🤖 Operating System | ||
| Galaxy S9 (SM-G9600 128GB) | Galaxy A55 (SM-A556E/DS 128GB) | |
| System version | Android 8.0 Oreo | Android 14 |
| Firmware update | Android 10 | Android 15 |
| User Interface | One UI 2.5 | One UI 6.1 / 7.0 |
⚙️ Processor | ||
| Galaxy S9 (SM-G9600 128GB) | Galaxy A55 (SM-A556E/DS 128GB) | |
| Chipset | 64bit: Qualcomm Snapdragon 845 (SDM845) (10nm) | 64bit: Samsung Exynos 1480 (4nm) |
| CPU | Octa-core, 2 processors: 4x 2.8GHz Kryo 385 Gold (Quad-core) 4x 1.7GHz Kryo 385 Silver (Quad-core) | Octa-core, 2 processors: 4x 2.75GHz ARM Cortex-A78 (Quad-core) 4x 2GHz ARM Cortex-A55 (Quad-core) |
| GPU graphical controller | Qualcomm Adreno 630 (710MHz) | Samsung Xclipse 530 |
| Performance (benchmark) | AnTuTu: 273972 (v8) Geekbench: 8830 (v4.4) GFXBench: 14fps (ES 3.1 onscreen) | AnTuTu: 635598 (v9), 726158 (v10) Geekbench: 3259 (v5), 3350 (v6) |
💽 Memory and storage | ||
| Galaxy S9 (SM-G9600 128GB) | Galaxy A55 (SM-A556E/DS 128GB) | |
| RAM memory | 4GB LPDDR4X | 8GB LPDDR5 |
| Internal storage | 128GB (111GB available) UFS 2.1 | 128GB (109GB available) UFS 3.1 |
| External storage | Until 1TB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot) | Until 1TB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot) |
📶 Mobile networks | ||
| Galaxy S9 (SM-G9600 128GB) | Galaxy A55 (SM-A556E/DS 128GB) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD slot) | Dual-SIM Standby - Call active on one sim card (hybrid slot/shares the same microSD slot) |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) | 1 slot (Single-SIM) nano-SIM (4FF) + e-SIM |
| Maximum Download / Upload | 1200/150 Mbps | 3000/1024 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 | CDMA 800, GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Primary 3G network | CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 850/900/1700/1900/2100 | UMTS 850/900/1700/1900/2100 |
| Primary 4G network | LTE Cat18 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 66) TD-LTE (38, 39, 40, 41) VoLTE | LTE Cat18 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 25, 26, 28, 66) TD-LTE (38, 40, 41) VoLTE |
| Primary 5G network | Not supported | SA/NSA/Sub6 (1, 3, 5, 7, 8, 26, 28, 40, 41, 66, 77, 78) |
| Primary data network | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6 |
| Secondary 2G network | GSM 850/900/1800/1900 | Not supported |
| Secondary 3G network | UMTS 850/900/1700/1900/2100 | Not supported |
| Secondary 4G network | LTE Cat18 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 66) TD-LTE (38, 39, 40, 41) VoLTE | Not supported |
| Secondary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A | Not supported |
📷 Camera | ||
| Galaxy S9 (SM-G9600 128GB) | Galaxy A55 (SM-A556E/DS 128GB) | |
| Back camera (main camera) | 12.2 megapixels | (triple camera) 50 megapixels 12MP ultrawide f/2.2123°1/3.06"1.12µm 5MP macro f/2.4 |
| Main camera resolution | 4032x3024 pixels | 8160x6120 pixels |
| Video recording (primary) | 4K UHD (3840x2160) 60 fps | 4K UHD (3840x2160) 30 fps |
| Flash | LED flash | LED flash |
| Focal aperture | f/1.5 (aperture) | f/1.8 (aperture) |
| Focal length | 26mm (lens) | feature not registered |
| Sensor size | 1/2.55" inches | 1/1.56" inches |
| Pixel size | 1.4µm pixel | 1µm pixel |
| Autofocus | PDAF on back camera and autofocus front camera | PDAF: phase detection autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | OIS: 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 on both cameras |
| Camera extras | 1080p@240fps 720p@960fps | 4K@30fps 1080p@30/60fps 720p@240fps (slow motion) |
📸 Front camera | ||
| Galaxy S9 (SM-G9600 128GB) | Galaxy A55 (SM-A556E/DS 128GB) | |
| Front camera (secondary) | 8 megapixels | 32 megapixels |
| Front camera resolution | 3264x2448 pixels | 6528x4896 pixels |
| Video recording (secondary) | 2K UHD (2560x1440) | 4K UHD (3840x2160) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/1.7 (aperture) | f/2.2 (aperture) |
| Focal length | 25mm (lens) | 26mm (lens) |
| Sensor size | 1/3.6" inches | 1/2.74" inches |
| Pixel size | 1.22µm pixel | 0.8µm pixel |
🔉 Sound and multimedia | ||
| Galaxy S9 (SM-G9600 128GB) | Galaxy A55 (SM-A556E/DS 128GB) | |
| Loudspeaker | Stereo sound 32-bit/384kHz Dolby Atmos Tuned by AKG | Stereo sound |
| Active noise cancellation | 2 microphones or more | 3 microphones |
| Radio | FM | Not supported |
| 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 S9 (SM-G9600 128GB) | Galaxy A55 (SM-A556E/DS 128GB) | |
| 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 | Type-C reversible connector |
| TV output | USB Type-C (reversible) | USB Type-C (reversible) |
| Bluetooth | 5.0 + A2DP/LE | 5.3 + 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 [wifi6] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot |
| DLNA | Supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou, QZSS |
| NFC | Supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Galaxy S9 (SM-G9600 128GB) | Galaxy A55 (SM-A556E/DS 128GB) | |
| Sensors | Accelerometer Ambient light sensor ANT+ Barometer Compass Face unlock 2D Fingerprint sensor (rear-mounted) Gyroscope Hall effect Heart rate Iris scanner Proximity sensor SpO2 | Accelerometer Ambient light sensor Compass Face unlock 2D Fingerprint sensor (under display) Gyroscope Hall effect Virtual proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy S9 (SM-G9600 128GB) | Galaxy A55 (SM-A556E/DS 128GB) | |
| Battery type | Li-Ion: lithium-ion (Non removable) | Li-Ion: lithium-ion (Non removable) |
| Battery capacity | 3000 mAh | 5000 mAh |
| Charger, watts | 15W (9V/167A) Wired fast charging Quick Charge 2 | 25W Wired fast charging |
| Inductive / wireless charging | Qi wireless charging (Qi/PMA) | Not supported |
| Talk time autonomy | feature not registered | feature not registered |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Galaxy S9 (SM-G9600 128GB) | Galaxy A55 (SM-A556E/DS 128GB) | |
| 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: Black, Silver, Blue, Gold, Orchid Gray • Samsung DeX • Samsung Gear VR • Samsung Pay | • Colors: Navy, Iceblue, Lilac, Lemon |
☢️ Radiation rate | ||
| Galaxy S9 (SM-G9600 128GB) | Galaxy A55 (SM-A556E/DS 128GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | 0.304W/kg (head), 1.72W/kg (body) | feature not registered |