Samsung Galaxy S21 Ultra (SM-G998U1 128GB) vs Bq Aquaris 4
Side by side comparison between Samsung Galaxy S21 Ultra vs Bq Aquaris 4 phones, differences, pros, cons and full specifications. What's the better?
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6.8"
AMOLED
AMOLED
1440x3200
108
MP
MP
40mp
12GB
RAM
RAM
Octa-core
5000
mAh
mAh
(Non removable)
vs
What's the better phone? Samsung Galaxy S21 Ultra (SM-G998U1 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!
36 Advantages 
4 Advantages | 13 Common items in both devices |
| 16 million |
| LED flash |
| PDAF: phase detection autofocus on both cameras / Autofocus |
| Capacitive |
| Multitouch |
| Accelerometer |
| Ambient light sensor |
| +6 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 128GB) | Bq Aquaris 4 | |
| Model | Galaxy S21 Ultra (SM-G998U1 128GB) | Aquaris 4 |
| Other model names | Galaxy S21 Ultra 5G (SM-G998U1) Unlocked | bq Aquaris 4 12GB 03BQAQU05 |
| Country or region available |  USA | feature not registered |
| Brand | Samsung | Bq |
| Release date | 1/29/2021, Announced: 1/14/2021 | 11/1/2013 |
| Depth | 8.9 millimeters (0.35 inches) | 10.5 millimeters (0.41 inches) |
| Size (width x height) | 75.6 x 165.1 millimeters (2.98 x 6.5 in) | 63 x 125 millimeters (2.48 x 4.92 in) |
| Weight | 227 grams (7.95 ounces) | 135 grams (4.73 ounces) |
| Build, materials | Aluminum frame, glass front/back | feature not registered |
| 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-G998U1 128GB) | Bq Aquaris 4 | |
| Display type | Dynamic AMOLED | TFT IPS LCD |
| Screen size | 6.8" inches | 4" inches |
| Screen-to-body ratio | ~89.4% (screen-to-body ratio) | ~57.8% (screen-to-body ratio) |
| Display resolution | 1440x3200 pixels (20:9) | 480x800 pixels |
| Touchscreen | Capacitive Multitouch 10-points | Capacitive Multitouch 5-points |
| Pixel density (dot pitch) | 516 PPI | 233 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass Victus | Not supported |
| Refresh rate | 120Hz | feature not registered |
| Display features | 1500nits[peak] HDR10+ Always-On Display | feature not registered |
🤖 Operating System | ||
| Galaxy S21 Ultra (SM-G998U1 128GB) | Bq Aquaris 4 | |
| System version | Android 11 | Android 4.0.4 Ice Cream Sandwich ICS |
| Firmware update | Android 15 | Android 4.1.1 Jelly Bean |
| User Interface | One UI 3.1 / 4.1 / 5.1 / 6.0 / 7.0 | feature not registered |
⚙️ Processor | ||
| Galaxy S21 Ultra (SM-G998U1 128GB) | Bq Aquaris 4 | |
| Chipset | 64bit: Qualcomm Snapdragon 888 (SM8350) (5nm) | 32bit: MediaTek MT6577 |
| 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) | Dual-core, 1 processor: 2x 1GHz ARM Cortex-A9 (Dual-core) |
| GPU graphical controller | Qualcomm Adreno 660 (840MHz) | PowerVR SGX531 |
| Performance (benchmark) | AnTuTu: 681099 (v8), 809165 (v9) Geekbench: 3539 (v5.2) GFXBench: 54fps (ES 3.1 onscreen) | feature not registered |
💽 Memory and storage | ||
| Galaxy S21 Ultra (SM-G998U1 128GB) | Bq Aquaris 4 | |
| RAM memory | 12GB LPDDR5 | 1GB |
| Internal storage | 128GB (101GB available) UFS 3.1 | 4GB (2GB available) |
| External storage | Not supported | Until 32GB microSD, microSDHC (dedicated slot) |
📶 Mobile networks | ||
| Galaxy S21 Ultra (SM-G998U1 128GB) | Bq Aquaris 4 | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card | Dual-SIM Standby - Call active on one sim card (dedicated slot) |
| SIM card | 1 slot (Single-SIM) nano-SIM (4FF) + e-SIM | 2 slots (Dual-SIM) Standard mini-SIM (2FF) |
| Maximum Download / Upload | 5000/1920 Mbps | 7.2/5.76 Mbps |
| Network technology | 2G, 3G, 4G, 5G | 2G, 3G |
| 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 900/2100 |
| 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 | Not supported |
| Primary 5G network | SA/NSA/Sub6 (2, 5, 25, 41, 66, 71) mmWave (260, 261) | 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, SA/NSA, Sub6 | GPRS, EDGE, UMTS, HSDPA, HSUPA |
| Secondary 2G network | CDMA 800/1900, GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| 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 | GPRS, EDGE |
📷 Camera | ||
| Galaxy S21 Ultra (SM-G998U1 128GB) | Bq Aquaris 4 | |
| 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 | 5 megapixels |
| Main camera resolution | 12000x9000 pixels | 2592x1944 pixels |
| Video recording (primary) | 8K UHD (7680x4320) 24 fps | VGA (720x480) |
| Flash | LED flash | LED flash |
| Focal aperture | f/1.8 (aperture) | feature not registered |
| Focal length | 26mm (lens) | feature not registered |
| Sensor size | 1/1.33" inches | feature not registered |
| Pixel size | 1.8µm pixel | feature not registered |
| Autofocus | PDAF: phase detection autofocus on both cameras | Autofocus |
| Touch focus | Supported | Supported |
| Image stabilization | OIS: Optical stabilization | feature not registered |
| Zoom | Digital and optical zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Smile detection |
| BSI sensor | Supported | Not supported |
| HDR | HDR photo/video on both cameras | HDR photo only main camera |
| Camera extras | 4K@60fps 1080p@240fps 720p@960fps | feature not registered |
📸 Front camera | ||
| Galaxy S21 Ultra (SM-G998U1 128GB) | Bq Aquaris 4 | |
| Front camera (secondary) | 40 megapixels | 0.3 megapixels |
| Front camera resolution | 7296x5472 pixels | 640x480 pixels |
| Video recording (secondary) | 4K UHD (3840x2160) | VGA (640x480) |
| Front flash | Not supported | Not supported |
| Focal aperture | f/2.2 (aperture) | feature not registered |
| Focal length | 26mm (lens) | feature not registered |
| Sensor size | 1/2.8" inches | feature not registered |
| Pixel size | 0.7µm pixel | feature not registered |
🔉 Sound and multimedia | ||
| Galaxy S21 Ultra (SM-G998U1 128GB) | Bq Aquaris 4 | |
| Loudspeaker | Stereo sound 32-bit/384kHz Dolby Atmos Tuned by AKG | Supported |
| Active noise cancellation | 3 microphones | Not supported |
| Radio | FM | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263, XviD, MKV | MP4, H.264, H.263 |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, AAC+ |
🔌 Connectivity | ||
| Galaxy S21 Ultra (SM-G998U1 128GB) | Bq Aquaris 4 | |
| USB | USB 3.2 Type-C, USB OTG On-The-Go | MicroUSB 2.0 |
| Audio output | Type-C reversible connector | 3.5mm jack |
| TV output | USB Type-C (reversible) | Not supported |
| Bluetooth | 5.2 + A2DP/LE | 4.0 + A2DP |
| WiFi | 802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot | 802.11 b/g/n [wifi4] (2.4GHz) |
| DLNA | Supported | Not supported |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou | A-GPS, GeoTagging |
| NFC | Supported | Not supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Galaxy S21 Ultra (SM-G998U1 128GB) | Bq Aquaris 4 | |
| Sensors | Accelerometer Ambient light sensor Barometer Compass Face unlock 2D Fingerprint sensor (under display) Gesture Gyroscope Hall effect Proximity sensor UWB (Ultra Wideband) | Accelerometer Ambient light sensor Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy S21 Ultra (SM-G998U1 128GB) | Bq Aquaris 4 | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 5000 mAh | 1500 mAh |
| Charger, watts | 25W Wired fast charging USB Power Delivery 3.0 | Wired charging |
| Inductive / wireless charging | 15W Qi wireless charging (Qi/PMA) 4.5W Reverse wireless charging | feature not registered |
| Talk time autonomy | feature not registered | feature not registered |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| Galaxy S21 Ultra (SM-G998U1 128GB) | Bq Aquaris 4 | |
| Call control | Voice dialing, Voice recorder, Voice commands | 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 |
| 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: White • 8GB microSD class 10 included • Viewing angle screen of 178º • WiFi hotspot • Java framework |
☢️ Radiation rate | ||
| Galaxy S21 Ultra (SM-G998U1 128GB) | Bq Aquaris 4 | |
| 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 | feature not registered |