Samsung Galaxy S21 Ultra (SM-G998B/DS 128GB) vs Samsung Galaxy A80 (SM-A805N)
Side by side comparison between Samsung Galaxy S21 Ultra vs Samsung Galaxy A80 phones, differences, pros, cons and full specifications. What's the better?
,
6.8"
AMOLED
AMOLED
1440x3200
108
MP
MP
40mp
12GB
RAM
RAM
Octa-core
5000
mAh
mAh
(Non removable)
vs
6.7"
AMOLED
AMOLED
1080x2400
48
MP
MP
48mp
8GB
RAM
RAM
Octa-core
3700
mAh
mAh
(Non removable)
What's the better phone? Samsung Galaxy S21 Ultra (SM-G998B/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!
29 Advantages 
3 Advantages | 25 Common items in both devices |
| 128GB (101GB available) / 128GB (108GB available) |
| Aluminum frame, glass front/back |
| Dynamic AMOLED / Super AMOLED |
| 16 million |
| LED flash |
| PDAF: phase detection autofocus on both cameras / PDAF: phase detection autofocus |
| HDR photo/video on both cameras / HDR photo on both cameras |
| +18 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 S21 Ultra (SM-G998B/DS 128GB) | Galaxy A80 (SM-A805N) | |
| Model | Galaxy S21 Ultra (SM-G998B/DS 128GB) | Galaxy A80 (SM-A805N) |
| Other model names | Galaxy S21 Ultra 5G (SM-G998B/Dual-SIM) | Galaxy A80 SM-A805N Single-SIM |
| Country or region available |  (Global, International) |  South Korea |
| Brand | Samsung | Samsung |
| Release date | 1/29/2021, Announced: 1/14/2021 | 5/29/2019, Announced: 4/10/2019 |
| Depth | 8.9 millimeters (0.35 inches) | 9.3 millimeters (0.37 inches) |
| Size (width x height) | 75.6 x 165.1 millimeters (2.98 x 6.5 in) | 76.5 x 165.2 millimeters (3.01 x 6.5 in) |
| Weight | 227 grams (7.95 ounces) | 220 grams (7.7 ounces) |
| Build, materials | Aluminum frame, glass front/back | Aluminum frame, glass front/back Back: Gorilla Glass 6 |
| Protection against water and others | IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant | Not supported |
📲 Display | ||
| Galaxy S21 Ultra (SM-G998B/DS 128GB) | Galaxy A80 (SM-A805N) | |
| Display type | Dynamic AMOLED | Super AMOLED |
| Screen size | 6.8" inches | 6.7" inches |
| Screen-to-body ratio | ~89.4% (screen-to-body ratio) | ~85.8% (screen-to-body ratio) |
| Display resolution | 1440x3200 pixels (20:9) | 1080x2400 pixels (20:9) |
| Touchscreen | Capacitive Multitouch 10-points | Capacitive Multitouch |
| Pixel density (dot pitch) | 516 PPI | 393 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass Victus | Gorilla Glass 3 |
| Refresh rate | 120Hz | 60Hz |
| Display features | 1500nits[peak] HDR10+ Always-On Display | Always-On Display |
🤖 Operating System | ||
| Galaxy S21 Ultra (SM-G998B/DS 128GB) | Galaxy A80 (SM-A805N) | |
| System version | Android 11 | Android 9.0 Pie |
| Firmware update | Android 14 | Android 11 |
| User Interface | One UI 3.1 / 4.1 / 5.1 / 6.0 | One UI 3.1 |
⚙️ Processor | ||
| Galaxy S21 Ultra (SM-G998B/DS 128GB) | Galaxy A80 (SM-A805N) | |
| Chipset | 64bit: Samsung Exynos 2100 (5nm) | 64bit: Qualcomm Snapdragon 730 (SM7150-AA) (8nm) |
| CPU | Octa-core, 3 processors: 1x 2.9GHz ARM Cortex-X1 (Single-core) 3x 2.8GHz ARM Cortex-A78 (Triple-core) 4x 2.2GHz ARM Cortex-A55 (Quad-core) | Octa-core, 2 processors: 2x 2.2GHz Kryo 470 Gold (Dual-core) 6x 1.8GHz Kryo 470 Silver (Hexa-core) |
| GPU graphical controller | ARM Mali-G78 MP14 (854MHz) | Qualcomm Adreno 618 (610MHz) |
| Performance (benchmark) | AnTuTu: 657150 (v8), 727634 (v9) Geekbench: 3457 (v5.2) GFXBench: 51fps (ES 3.1 onscreen) | AnTuTu: 254214 (v8) Geekbench: 6934 (v4.4) GFXBench: 14fps (ES 3.1 onscreen) |
💽 Memory and storage | ||
| Galaxy S21 Ultra (SM-G998B/DS 128GB) | Galaxy A80 (SM-A805N) | |
| RAM memory | 12GB LPDDR5 | 8GB LPDDR4X |
| Internal storage | 128GB (101GB available) UFS 3.1 | 128GB (108GB available) UFS 2.1 |
| External storage | Not supported | Not supported |
📶 Mobile networks | ||
| Galaxy S21 Ultra (SM-G998B/DS 128GB) | Galaxy A80 (SM-A805N) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card | Not supported |
| SIM card | 2 slots (Dual-SIM) nano-SIM (4FF) + e-SIM | 1 slot (Single-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 5000/1920 Mbps | 600/75 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 | Tri-Band 900/1800/1900 |
| Primary 2G network | GSM 850/900/1800/1900 | GSM 900/1800/1900 |
| Primary 3G network | 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, 17, 18, 19, 20, 25, 26, 28, 32, 66) TD-LTE (38, 39, 40, 41) VoLTE | LTE Cat11 (1, 3, 4, 5, 7, 8, 17, 20) TD-LTE (38, 40, 41) |
| Primary 5G network | SA/NSA/Sub6 (1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78) | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A |
| 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 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 | Not supported |
| Secondary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA | Not supported |
📷 Camera | ||
| Galaxy S21 Ultra (SM-G998B/DS 128GB) | Galaxy A80 (SM-A805N) | |
| Back camera (main camera) | (quad camera) 108 megapixels 10MP periscope telephoto f/4.9240mm1/3.24"1.22µmPDAFOIS10x-optical-zoom 10MP telephoto f/2.470mm1/3.24"1.22µmPDAFOIS3x-optical-zoom 12MP ultrawide f/2.213mm1/2.55"1.4µmPDAFSuper-Steady-video | (triple camera) 48 megapixels 8MP ultrawide f/2.212mm1.12µm 0.3MP TOF f/1.230mm |
| Main camera resolution | 12000x9000 pixels | 8000x6000 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/2.0 (aperture) |
| Focal length | 26mm lens | 26mm lens |
| Sensor size | 1/1.33" inches | 1/2" inches |
| Pixel size | 1.8µm pixel | 0.8µm 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 | 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 | 4K@60fps 1080p@240fps 720p@960fps | 1080p@60fps 720p@480fps |
📸 Front camera | ||
| Galaxy S21 Ultra (SM-G998B/DS 128GB) | Galaxy A80 (SM-A805N) | |
| Front camera (secondary) | 40 megapixels | Uses the back motorized camera (flip-up/rotating) |
| Front camera resolution | 7296x5472 pixels | 8000x6000 pixels |
| Video recording (secondary) | 4K UHD (3840x2160) | 4K UHD (3840x2160) |
| Front flash | Not supported | LED flash |
| Focal aperture | f/2.2 (aperture) | f/2.0 (aperture) |
| Focal length | 26mm lens | 26mm lens |
| Sensor size | 1/2.8" inches | 1/2" inches |
| Pixel size | 0.7µm pixel | 0.8µm pixel |
🔉 Sound and multimedia | ||
| Galaxy S21 Ultra (SM-G998B/DS 128GB) | Galaxy A80 (SM-A805N) | |
| Loudspeaker | Stereo sound 32-bit/384kHz Dolby Atmos Tuned by AKG | Mono sound (not stereo) |
| 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, 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 S21 Ultra (SM-G998B/DS 128GB) | Galaxy A80 (SM-A805N) | |
| 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 | 5.2 + A2DP/LE | 5.0 + 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 [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 S21 Ultra (SM-G998B/DS 128GB) | Galaxy A80 (SM-A805N) | |
| Sensors | Accelerometer Ambient light sensor Barometer Compass Face unlock Fingerprint sensor (under display) Gesture Gyroscope Hall effect Proximity sensor UWB (Ultra Wideband) | Accelerometer Ambient light sensor ANT+ Compass Face unlock Fingerprint sensor (under display) Gyroscope Hall effect Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy S21 Ultra (SM-G998B/DS 128GB) | Galaxy A80 (SM-A805N) | |
| Battery type | LiPo: li-ion polymer (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 5000 mAh | 3700 mAh |
| Charger, watts | 25W Wired fast charging USB Power Delivery 3.0 | 25W 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 | 30 hours (1.3 days) |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Galaxy S21 Ultra (SM-G998B/DS 128GB) | Galaxy A80 (SM-A805N) | |
| 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, Silver, Titanium, Navy, Brown • Samsung Pay (Visa, MasterCard) • Samsung DeX • Stylus pen support | • Colors: Phantom Black, Angel Gold, Ghost White |
☢️ Radiation rate | ||
| Galaxy S21 Ultra (SM-G998B/DS 128GB) | Galaxy A80 (SM-A805N) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 0.24W/kg (head), 0.72W/kg (body) | 0.656W/kg (head), 1.04W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | 0.714W/kg (head), 1.58W/kg (body) | feature not registered |