Samsung Galaxy S20 Ultra (SM-G988B/DS) vs Samsung Galaxy A56 (SM-A5660 256GB/12GB)
Side by side comparison between Samsung Galaxy S20 Ultra vs Samsung Galaxy A56 phones, differences, pros, cons and full specifications. What's the better?
,
6.9"
AMOLED
AMOLED
1440x3200
108
MP
MP
40mp
12GB
RAM
RAM
Octa-core
5000
mAh
mAh
(Non removable)
vs
6.7"
AMOLED
AMOLED
1080x2340
50
MP
MP
12mp
12GB
RAM
RAM
Octa-core
5000
mAh
mAh
(Non removable)
What's the better phone? Samsung Galaxy S20 Ultra (SM-G988B/DS)
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!
16 Advantages 
10 Advantages | 35 Common items in both devices |
| 12GB LPDDR5 |
| Aluminum frame, glass front/back |
| Dynamic AMOLED / Super AMOLED |
| HDR10+ |
| 120Hz |
| 16 million |
| LED flash |
| +28 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 S20 Ultra (SM-G988B/DS) | Galaxy A56 (SM-A5660 256GB/12GB) | |
| Model | Galaxy S20 Ultra (SM-G988B/DS) | Galaxy A56 (SM-A5660 256GB/12GB) |
| Other model names | Galaxy S20 Ultra 4G-LTE SM-G988B/Dual-Sim (Exynos, 12GB RAM) | Galaxy A56 5G SM-A5660 Dual-SIM |
| Country or region available |  (Global, International) |    China, Hong Kong, Thailand |
| Brand | Samsung | Samsung |
| Release date | 3/15/2020, Announced: 2/11/2020 | 3/10/2025, Announced: 3/2/2025 |
| Depth | 8.8 millimeters (0.35 inches) | 7.4 millimeters (0.29 inches) |
| Size (width x height) | 76 x 166.9 millimeters (2.99 x 6.57 in) | 77.5 x 162.2 millimeters (3.05 x 6.39 in) |
| Weight | 220 grams (7.7 ounces) | 198 grams (6.93 ounces) |
| Build, materials | Aluminum frame, glass front/back | Aluminum frame, glass front/back Back: Gorilla Glass Victus+ |
| 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 S20 Ultra (SM-G988B/DS) | Galaxy A56 (SM-A5660 256GB/12GB) | |
| Display type | Dynamic AMOLED | Super AMOLED |
| Screen size | 6.9" inches | 6.7" inches |
| Screen-to-body ratio | ~90.6% (screen-to-body ratio) | ~87.7% (screen-to-body ratio) |
| Display resolution | 1440x3200 pixels (20:9) | 1080x2340 pixels (19.5:9) |
| Touchscreen | Capacitive Multitouch 10-points | Capacitive Multitouch |
| Pixel density (dot pitch) | 509 PPI | 385 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 6 | Gorilla Glass Victus |
| Refresh rate | 120Hz | 120Hz |
| Display features | HDR10+ Always-On Display 120Hz@FHD 60Hz@QHD | 1900nits[peak] HDR10+ Always-On Display |
🤖 Operating System | ||
| Galaxy S20 Ultra (SM-G988B/DS) | Galaxy A56 (SM-A5660 256GB/12GB) | |
| System version | Android 10 | Android 15 |
| Firmware update | Android 13 | feature not registered |
| User Interface | One UI 2.5 / 3.1 / 4.1 / 5.0 | One UI 7.0 |
⚙️ Processor | ||
| Galaxy S20 Ultra (SM-G988B/DS) | Galaxy A56 (SM-A5660 256GB/12GB) | |
| Chipset | 64bit: Samsung Exynos 990 (7nm) | 64bit: Samsung Exynos 1580 (4nm) |
| CPU | Octa-core, 3 processors: 2x 2.73GHz Mongoose M5 (Dual-core) 2x 2.5GHz ARM Cortex-A76 (Dual-core) 4x 2GHz ARM Cortex-A55 (Quad-core) | Octa-core, 3 processors: 1x 2.9GHz ARM Cortex-A720 (Single-core) 3x 2.6GHz ARM Cortex-A720 (Triple-core) 4x 1.95GHz ARM Cortex-A520 (Quad-core) |
| GPU graphical controller | ARM Mali-G77 MP11 (800MHz) | Samsung Xclipse 540 (1.3Ghz) |
| Performance (benchmark) | feature not registered | AnTuTu: 908692 (v10) Geekbench: 3899 (v6) |
💽 Memory and storage | ||
| Galaxy S20 Ultra (SM-G988B/DS) | Galaxy A56 (SM-A5660 256GB/12GB) | |
| RAM memory | 12GB LPDDR5 | 12GB LPDDR5 |
| Internal storage | 128GB (104GB available) UFS 3.0 | 256GB (233GB available) UFS 3.1 |
| External storage | Until 1TB microSD, microSDXC (hybrid slot/shares the same SIM-2 slot) | Not supported |
📶 Mobile networks | ||
| Galaxy S20 Ultra (SM-G988B/DS) | Galaxy A56 (SM-A5660 256GB/12GB) | |
| 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 |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) + e-SIM | 2 slots (Dual-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 2000/316 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 | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Primary 3G network | UMTS 850/900/1700/1900/2100 | UMTS 850/900/1700/1900/2100 |
| Primary 4G network | LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 66) TD-LTE (38, 39, 40, 41) VoLTE | LTE Cat18 (1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 25, 28, 38, 40, 41, 66, 77, 78) TD-LTE (34, 38, 40, 41) VoLTE |
| Primary 5G network | Not supported | SA/NSA/Sub6 (1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78, 79) |
| Primary 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, Sub6 |
| Secondary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Secondary 3G network | UMTS 850/900/1700/1900/2100 | UMTS 850/900/1700/1900/2100 |
| Secondary 4G network | LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 66) TD-LTE (38, 39, 40, 41) VoLTE | LTE Cat18 (1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 25, 28, 38, 40, 41, 66, 77, 78) TD-LTE (34, 38, 40, 41) VoLTE |
| 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, Sub6 |
📷 Camera | ||
| Galaxy S20 Ultra (SM-G988B/DS) | Galaxy A56 (SM-A5660 256GB/12GB) | |
| Back camera (main camera) | (quad camera) 108 megapixels 48MP periscope telephoto f/3.5103mm1/2.0"0.8µmPDAFOIS4x-optical-zoom10x-hybrid-zoom 12MP ultrawide f/2.213mm1.4µmSuper-Steady-video 0.3MP TOF 3D f/1.0 | (triple camera) 50 megapixels 12MP ultrawide f/2.2123°1/3.06"1.12µm 5MP macro f/2.4 |
| Main camera resolution | 12000x9000 pixels | 8160x6120 pixels |
| Video recording (primary) | 8K UHD (7680x4320) 24 fps | 4K UHD (3840x2160) 30 fps |
| Flash | LED flash | LED flash |
| Focal aperture | f/1.8 (aperture) | f/1.8 (aperture) |
| Focal length | 26mm (lens) | feature not registered |
| Sensor size | 1/1.33" inches | 1/1.56" inches |
| Pixel size | 0.8µm 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 | 4K@60fps 1080p@240fps 720p@960fps | 4K@30fps 1080p@30/60fps 720p@240fps (slow motion) 10-bit HDR |
📸 Front camera | ||
| Galaxy S20 Ultra (SM-G988B/DS) | Galaxy A56 (SM-A5660 256GB/12GB) | |
| Front camera (secondary) | 40 megapixels | 12 megapixels |
| Front camera resolution | 7296x5472 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/2.2 (aperture) |
| Focal length | 26mm (lens) | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | 0.7µm pixel | feature not registered |
🔉 Sound and multimedia | ||
| Galaxy S20 Ultra (SM-G988B/DS) | Galaxy A56 (SM-A5660 256GB/12GB) | |
| Loudspeaker | Stereo sound 32-bit/384kHz Dolby Atmos Tuned by AKG | Stereo sound |
| Active noise cancellation | 2 microphones | 3 microphones |
| 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 S20 Ultra (SM-G988B/DS) | Galaxy A56 (SM-A5660 256GB/12GB) | |
| 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 | 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/ax [wifi6] (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 S20 Ultra (SM-G988B/DS) | Galaxy A56 (SM-A5660 256GB/12GB) | |
| Sensors | Accelerometer Ambient light sensor ANT+ Barometer Compass Face unlock Fingerprint sensor (under display) Gesture Gyroscope Hall effect Proximity sensor | Accelerometer Ambient light sensor Compass Face unlock Fingerprint sensor (under display) Gyroscope Hall effect Virtual proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy S20 Ultra (SM-G988B/DS) | Galaxy A56 (SM-A5660 256GB/12GB) | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Non removable) |
| Battery capacity | 5000 mAh | 5000 mAh |
| Charger, watts | 45W Wired fast charging USB Power Delivery 3.0 | 45W Wired fast charging |
| Inductive / wireless charging | 15W Qi wireless charging (Qi/PMA) 9W Reverse wireless charging | Not supported |
| Talk time autonomy | feature not registered | feature not registered |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Galaxy S20 Ultra (SM-G988B/DS) | Galaxy A56 (SM-A5660 256GB/12GB) | |
| 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: Cosmic Black, Cosmic Grey, Cloud White • Ultrasonic fingerprint sensor • Bixby • Samsung DeX • Samsung Pay (MST, NFC) | • Colors: Graphite, Lightgray, Pink, Olive |
☢️ Radiation rate | ||
| Galaxy S20 Ultra (SM-G988B/DS) | Galaxy A56 (SM-A5660 256GB/12GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 0.74W/kg (head), 1.12W/kg (body) | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | 0.319W/kg (head), 1.557W/kg (body) | feature not registered |