Samsung Galaxy S21 Ultra (SM-G998U1 512GB) vs Apple iPhone 12 mini (128GB)
Side by side comparison between Samsung Galaxy S21 Ultra vs Apple iPhone 12 mini phones, differences, pros, cons and full specifications. What's the better?
,
6.8"
AMOLED
AMOLED
1440x3200
108
MP
MP
40mp
16GB
RAM
RAM
Octa-core
5000
mAh
mAh
(Non removable)
vs
5.4"
OLED
OLED
1080x2340
12
MP
MP
12mp
4GB
RAM
RAM
Hexa-core
2227
mAh
mAh
(Non removable)
What's the better phone? Samsung Galaxy S21 Ultra (SM-G998U1 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 Advantages 
5 Advantages | 30 Common items in both devices |
| Aluminum frame, glass front/back |
| Dynamic AMOLED / Super Retina XDR OLED |
| HDR10+ / Dolby Vision/HDR10 |
| 16 million |
| PDAF: phase detection autofocus on both cameras / PDAF: phase detection autofocus |
| OIS: Optical stabilization |
| HDR photo/video on both cameras |
| +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 S21 Ultra (SM-G998U1 512GB) | iPhone 12 mini (128GB) | |
| Model | Galaxy S21 Ultra (SM-G998U1 512GB) | iPhone 12 mini (128GB) |
| Other model names | Galaxy S21 Ultra 5G (SM-G998U1) Unlocked | iPhone 12 mini A2176, A2398, A2399, A2400 |
| Country or region available |  USA |  (Global, International) |
| Brand | Samsung | Apple |
| Release date | 1/29/2021, Announced: 1/14/2021 | 10/13/2020 |
| Depth | 8.9 millimeters (0.35 inches) | 7.4 millimeters (0.29 inches) |
| Size (width x height) | 75.6 x 165.1 millimeters (2.98 x 6.5 in) | 64.2 x 131.5 millimeters (2.53 x 5.18 in) |
| Weight | 227 grams (7.95 ounces) | 133 grams (4.66 ounces) |
| Build, materials | Aluminum frame, glass front/back | Aluminum frame, glass front/back |
| Protection against water and others | IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant | IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant |
📲 Display | ||
| Galaxy S21 Ultra (SM-G998U1 512GB) | iPhone 12 mini (128GB) | |
| Display type | Dynamic AMOLED | Super Retina XDR OLED |
| Screen size | 6.8" inches | 5.4" inches |
| Screen-to-body ratio | ~89.4% (screen-to-body ratio) | ~84.8% (screen-to-body ratio) |
| Display resolution | 1440x3200 pixels (20:9) | 1080x2340 pixels (19.5:9) |
| Touchscreen | Capacitive Multitouch 10-points | Capacitive Multitouch 10-points |
| Pixel density (dot pitch) | 516 PPI | 477 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass Victus | Ceramic Shield |
| Refresh rate | 120Hz | 60Hz |
| Display features | 1500nits[peak] HDR10+ Always-On Display | 625nits[typ], 1200nits[peak] Dolby Vision/HDR10 Wide color gamut True-tone Oleophobic coating screen |
🤖 Operating System | ||
| Galaxy S21 Ultra (SM-G998U1 512GB) | iPhone 12 mini (128GB) | |
| System version | Android 11 | iOS 14 |
| Firmware update | Android 14 | iOS 16 |
| User Interface | One UI 3.1 / 4.1 / 5.1 / 6.0 | feature not registered |
⚙️ Processor | ||
| Galaxy S21 Ultra (SM-G998U1 512GB) | iPhone 12 mini (128GB) | |
| Chipset | 64bit: Qualcomm Snapdragon 888 (SM8350) (5nm) | 64bit: Apple A14 Bionic (5nm) |
| CPU | Octa-core, 3 processors: 1x 2.84GHz Kryo 680 (Single-core) 3x 2.42GHz Kryo 680 (Triple-core) 4x 1.8GHz Kryo 680 (Quad-core) | Hexa-core, 2 processors: 2x 3.1GHz Firestorm (Dual-core) 4x 1.8GHz Icestorm (Quad-core) |
| GPU graphical controller | Qualcomm Adreno 660 (840MHz) | Apple GPU MP4 |
| Performance (benchmark) | AnTuTu: 681099 (v8), 809165 (v9) Geekbench: 3539 (v5.2) GFXBench: 54fps (ES 3.1 onscreen) | AnTuTu: 589616 (v8) Geekbench: 4174 (v5.1) GFXBench: 60fps (ES 3.1 onscreen) |
💽 Memory and storage | ||
| Galaxy S21 Ultra (SM-G998U1 512GB) | iPhone 12 mini (128GB) | |
| RAM memory | 16GB LPDDR5 | 4GB LPDDR4X |
| Internal storage | 512GB (457GB available) UFS 3.1 | 128GB (111GB available) NVMe (SSD) |
| External storage | Not supported | Not supported |
📶 Mobile networks | ||
| Galaxy S21 Ultra (SM-G998U1 512GB) | iPhone 12 mini (128GB) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card | Dual-SIM Standby - Call active on one sim card |
| SIM card | 1 slot (Single-SIM) nano-SIM (4FF) + e-SIM | 1 slot (Single-SIM) nano-SIM (4FF) + e-SIM |
| Maximum Download / Upload | 5000/1920 Mbps | 5000/1024 Mbps |
| Network technology | 2G, 3G, 4G, 5G | 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 800/1900, GSM 850/900/1800/1900 | CDMA 800/1900, GSM 850/900/1800/1900 |
| Primary 3G network | CDMA2000 1xEV-DO UMTS 850/900/1700/1900/2100 | CDMA2000 1xEV-DO TD-SCDMA 1900/2000 UMTS 850/900/1700/1900/2100 |
| Primary 4G network | LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 30, 66, 71) TD-LTE (38, 39, 40, 41, 46, 48) VoLTE | LTE Cat20 VoLTE A2176 version: LTE (1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 19, 20, 25, 26, 28, 29, 30, 32, 66, 71) TD-LTE (34, 38, 39, 40, 41, 42, 46, 48) A2398 version: LTE (1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 19, 20, 21, 25, 26, 28, 29, 30, 32, 66, 71) TD-LTE (34, 38, 39, 40, 41, 42, 46, 48) A2399, A2400 versions: LTE (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 30, 32, 66) TD-LTE (34, 38, 39, 40, 41, 42, 46, 48) |
| Primary 5G network | SA/NSA/Sub6 (2, 5, 25, 41, 66, 71) mmWave (260, 261) | A2176 version: Sub6/mmWave (1, 2, 3, 5, 7, 8, 12, 20, 25, 28, 38, 40, 41, 66, 71, 77, 78, 79, 260, 261) A2398, A2399, A2400 versions: Sub6 (1, 2, 3, 5, 7, 8, 12, 20, 25, 28, 38, 40, 41, 66, 77, 78, 79) |
| 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, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, TD-SCDMA, UMTS, TD-HSDPA, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6 |
| Secondary 2G network | CDMA 800/1900, GSM 850/900/1800/1900 | Not supported |
| 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, 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 | Not supported |
📷 Camera | ||
| Galaxy S21 Ultra (SM-G998U1 512GB) | iPhone 12 mini (128GB) | |
| 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 | (dual camera) 12 megapixels 12MP ultrawide f/2.4120°13mm1/3.6" |
| Main camera resolution | 12000x9000 pixels | 4000x3000 pixels |
| Video recording (primary) | 8K UHD (7680x4320) 24 fps | 4K UHD (3840x2160) 60 fps |
| Flash | LED flash | Dual-LED flash |
| Focal aperture | f/1.8 (aperture) | f/1.6 (aperture) |
| Focal length | 26mm lens | 26mm lens |
| Sensor size | 1/1.33" inches | feature not registered |
| Pixel size | 1.8µm pixel | 1.4µm 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 | 1080p@240fps |
📸 Front camera | ||
| Galaxy S21 Ultra (SM-G998U1 512GB) | iPhone 12 mini (128GB) | |
| Front camera (secondary) | 40 megapixels | (dual front camera) 12 megapixels 0.3MP SL 3D |
| 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 | 23mm lens |
| Sensor size | 1/2.8" inches | 1/3.6" inches |
| Pixel size | 0.7µm pixel | feature not registered |
🔉 Sound and multimedia | ||
| Galaxy S21 Ultra (SM-G998U1 512GB) | iPhone 12 mini (128GB) | |
| Loudspeaker | Stereo sound 32-bit/384kHz Dolby Atmos Tuned by AKG | Stereo sound Dolby Atmos |
| Active noise cancellation | 2 microphones or more | 2 microphones or more |
| Radio | FM | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263, XviD, MKV | MPEG4, H.265, H.264, MOV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, AAX+, AIFF |
🔌 Connectivity | ||
| Galaxy S21 Ultra (SM-G998U1 512GB) | iPhone 12 mini (128GB) | |
| USB | USB 3.2 Type-C, USB OTG On-The-Go | USB 2.0 proprietary connector |
| Audio output | Type-C reversible connector | proprietary audio output |
| TV output | USB Type-C (reversible) | Proprietary TV-out |
| 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/ax [wifi6] (2.4GHz, 5GHz) + MIMO WiFi hotspot |
| DLNA | Supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou | A-GPS, GeoTagging, GLONASS, GALILEO, QZSS |
| NFC | Supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Galaxy S21 Ultra (SM-G998U1 512GB) | iPhone 12 mini (128GB) | |
| 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 Barometer Compass Face unlock Gyroscope Proximity sensor UWB (Ultra Wideband) |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy S21 Ultra (SM-G998U1 512GB) | iPhone 12 mini (128GB) | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Non removable) |
| Battery capacity | 5000 mAh | 2227 mAh |
| Charger, watts | 25W Wired fast charging USB Power Delivery 3.0 | 20W Wired fast charging USB Power Delivery 2.0 |
| Inductive / wireless charging | 15W Qi wireless charging (Qi/PMA) 4.5W Reverse wireless charging | 12W Qi wireless charging |
| Talk time autonomy | feature not registered | feature not registered |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Galaxy S21 Ultra (SM-G998U1 512GB) | iPhone 12 mini (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: Phantom Black, Silver, Titanium, Navy, Brown • Samsung Pay (Visa, MasterCard) • Samsung DeX • Stylus pen support | • Colors: Black, White, Red, Green, Blue • Face ID • Apple Pay (Visa, MasterCard, AMEX) |
☢️ Radiation rate | ||
| Galaxy S21 Ultra (SM-G998U1 512GB) | iPhone 12 mini (128GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 0.77W/kg (head), 1.02W/kg (body) | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | 0.99W/kg (head), 0.99W/kg (body) |