Blu Studio C mini (D670) vs Samsung Galaxy S21 Ultra (SM-G998W 128GB)
Side by side comparison between Blu Studio C mini vs Samsung Galaxy S21 Ultra phones, differences, pros, cons and full specifications. What's the better?
,
4.7"
IPS
IPS
480x800
5
MP
MP
2mp
512MB
RAM
RAM
Quad-core
2000
mAh
mAh
(Removable)
vs
6.8"
AMOLED
AMOLED
1440x3200
108
MP
MP
40mp
12GB
RAM
RAM
Octa-core
5000
mAh
mAh
(Non removable)
What's the better phone? Samsung Galaxy S21 Ultra (SM-G998W 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!
4 Advantages 
33 Advantages | 11 Common items in both devices |
| 16 million |
| LED flash |
| Autofocus / PDAF: phase detection autofocus on both cameras |
| Capacitive |
| Multitouch |
| Accelerometer |
| Ambient light sensor |
| +4 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 | ||
| Blu Studio C mini (D670) | Galaxy S21 Ultra (SM-G998W 128GB) | |
| Change model | ||
| Model | Studio C mini (D670) | Galaxy S21 Ultra (SM-G998W 128GB) |
| Other model names | Blu Studio C mini D670L, Blu Studio C mini D670U | Galaxy S21 Ultra 5G (SM-G998W) |
| Country or region available | feature not registered |  Canada |
| Brand | Blu | Samsung |
| Release date | 8/11/2014 | 1/29/2021, Announced: 1/14/2021 |
| Depth | 9.5 millimeters (0.37 inches) | 8.9 millimeters (0.35 inches) |
| Size (width x height) | 71.5 x 138 millimeters (2.81 x 5.43 in) | 75.6 x 165.1 millimeters (2.98 x 6.5 in) |
| Weight | 156 grams (5.46 ounces) | 227 grams (7.95 ounces) |
| Build, materials | feature not registered | Aluminum frame, glass front/back |
| Protection against water and others | Not supported | IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant |
📲 Display | ||
| Blu Studio C mini (D670) | Galaxy S21 Ultra (SM-G998W 128GB) | |
| Display type | TFT IPS LCD | Dynamic AMOLED |
| Screen size | 4.7" inches | 6.8" inches |
| Screen-to-body ratio | ~63.7% (screen-to-body ratio) | ~89.4% (screen-to-body ratio) |
| Display resolution | 480x800 pixels | 1440x3200 pixels (20:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch 10-points |
| Pixel density (dot pitch) | 199 PPI | 516 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Not supported | Gorilla Glass Victus |
| Refresh rate | feature not registered | 120Hz |
| Display features | feature not registered | 1500nits[peak] HDR10+ Always-On Display |
🤖 Operating System | ||
| Blu Studio C mini (D670) | Galaxy S21 Ultra (SM-G998W 128GB) | |
| System version | Android 4.4.2 KitKat | Android 11 |
| Firmware update | feature not registered | Android 14 |
| User Interface | feature not registered | One UI 3.1 / 4.1 / 5.1 / 6.0 |
⚙️ Processor | ||
| Blu Studio C mini (D670) | Galaxy S21 Ultra (SM-G998W 128GB) | |
| Chipset | 32bit: MediaTek MT6582 | 64bit: Qualcomm Snapdragon 888 (SM8350) (5nm) |
| CPU | Quad-core, 1 processor: 4x 1.3GHz ARM Cortex-A7 (Quad-core) | 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) |
| GPU graphical controller | ARM Mali-400 | Qualcomm Adreno 660 (840MHz) |
| Performance (benchmark) | feature not registered | AnTuTu: 681099 (v8), 809165 (v9) Geekbench: 3539 (v5.2) GFXBench: 54fps (ES 3.1 onscreen) |
💽 Memory and storage | ||
| Blu Studio C mini (D670) | Galaxy S21 Ultra (SM-G998W 128GB) | |
| RAM memory | 512MB LPDDR2 | 12GB LPDDR5 |
| Internal storage | 4GB (2GB available) | 128GB (101GB available) UFS 3.1 |
| External storage | Until 64GB microSD, microSDXC (dedicated slot) | Not supported |
📶 Mobile networks | ||
| Blu Studio C mini (D670) | Galaxy S21 Ultra (SM-G998W 128GB) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card (dedicated slot) | Dual-SIM Standby - Call active on one sim card |
| SIM card | 2 slots (Dual-SIM) micro-SIM (3FF) and standard SIM (2FF) | 1 slot (Single-SIM) nano-SIM (4FF) + e-SIM |
| Maximum Download / Upload | 21/5.76 Mbps | 5000/1920 Mbps |
| Network technology | 2G, 3G | 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 D670U: 850/1700/1900 - D670L: 850/1900/2100 | UMTS 850/900/1700/1900/2100 |
| Primary 4G network | Not supported | LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 18, 19, 20, 25, 29, 30, 66, 71) TD-LTE (38, 39, 40, 41, 46) VoLTE |
| Primary 5G network | Not supported | SA/NSA/Sub6 (2, 41, 66, 71) |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+ | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA |
| Secondary 2G network | GSM 850/900/1800/1900 | GSM 850/900/1800/1900 |
| Secondary 3G network | Not supported | UMTS 850/900/1700/1900/2100 |
| Secondary 4G network | Not supported | LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 18, 19, 20, 25, 29, 30, 66, 71) TD-LTE (38, 39, 40, 41, 46) VoLTE |
| Secondary data network | GPRS, EDGE | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA |
📷 Camera | ||
| Blu Studio C mini (D670) | Galaxy S21 Ultra (SM-G998W 128GB) | |
| Back camera (main camera) | 5 megapixels | (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 |
| Main camera resolution | 2592x1944 pixels | 12000x9000 pixels |
| Video recording (primary) | HD (1280x720) 30 fps | 8K UHD (7680x4320) 24 fps |
| Flash | LED flash | LED flash |
| Focal aperture | feature not registered | f/1.8 (aperture) |
| Focal length | feature not registered | 26mm lens |
| Sensor size | feature not registered | 1/1.33" inches |
| Pixel size | feature not registered | 1.8µm pixel |
| Autofocus | Autofocus | PDAF: phase detection autofocus on both cameras |
| Touch focus | Supported | Supported |
| Image stabilization | feature not registered | OIS: Optical stabilization |
| Zoom | Only digital zoom | Digital and optical zoom |
| Face/smile detection | Face detection, Smile detection | Face detection, Smile detection |
| BSI sensor | Not supported | Supported |
| HDR | HDR photo only main camera | HDR photo/video on both cameras |
| Camera extras | feature not registered | 4K@60fps 1080p@240fps 720p@960fps |
📸 Front camera | ||
| Blu Studio C mini (D670) | Galaxy S21 Ultra (SM-G998W 128GB) | |
| Front camera (secondary) | 2 megapixels | 40 megapixels |
| Front camera resolution | 1600x1200 pixels | 7296x5472 pixels |
| Video recording (secondary) | VGA (640x480) | 4K UHD (3840x2160) |
| Front flash | Not supported | Not supported |
| Focal aperture | feature not registered | f/2.2 (aperture) |
| Focal length | feature not registered | 26mm lens |
| Sensor size | feature not registered | 1/2.8" inches |
| Pixel size | feature not registered | 0.7µm pixel |
🔉 Sound and multimedia | ||
| Blu Studio C mini (D670) | Galaxy S21 Ultra (SM-G998W 128GB) | |
| Loudspeaker | Supported | Stereo sound 32-bit/384kHz Dolby Atmos Tuned by AKG |
| Active noise cancellation | Not supported | 2 microphones or more |
| Radio | FM | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, DivX, XviD, H.264, H.263, WMV | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, WMA, AAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| Blu Studio C mini (D670) | Galaxy S21 Ultra (SM-G998W 128GB) | |
| USB | MicroUSB 2.0 | USB 3.2 Type-C, USB OTG On-The-Go |
| Audio output | 3.5mm jack | Type-C reversible connector |
| TV output | Not supported | USB Type-C (reversible) |
| Bluetooth | 3.0 + A2DP | 5.2 + A2DP/LE |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) WiFi Direct, hotspot | 802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot |
| DLNA | Not supported | Supported |
| GPS | A-GPS, GeoTagging | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou |
| NFC | Not supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| Blu Studio C mini (D670) | Galaxy S21 Ultra (SM-G998W 128GB) | |
| Sensors | Accelerometer Ambient light sensor Proximity sensor | Accelerometer Ambient light sensor Barometer Compass Face unlock Fingerprint sensor (under display) Gesture Gyroscope Hall effect Proximity sensor UWB (Ultra Wideband) |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Blu Studio C mini (D670) | Galaxy S21 Ultra (SM-G998W 128GB) | |
| Battery type | Li-Ion: lithium-ion (Removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 2000 mAh | 5000 mAh |
| Charger, watts | Wired charging | 25W Wired fast charging USB Power Delivery 3.0 |
| Inductive / wireless charging | feature not registered | 15W Qi wireless charging (Qi/PMA) 4.5W Reverse wireless charging |
| Talk time autonomy | 10 hours | feature not registered |
| Standby | 700 hours (29.2 days) | feature not registered |
➕ Other features | ||
| Blu Studio C mini (D670) | Galaxy S21 Ultra (SM-G998W 128GB) | |
| Call control | Voice dialing, Voice recorder | 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, Pink, Orange, Yellow, Blue, White • Screen protector included • Plastic Case included • BLU Infinite View Technology • Java framework | • Colors: Phantom Black, Silver, Titanium, Navy, Brown • Samsung Pay (Visa, MasterCard) • Samsung DeX • Stylus pen support |
☢️ Radiation rate | ||
| Blu Studio C mini (D670) | Galaxy S21 Ultra (SM-G998W 128GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 1.12W/kg (head), 1.25W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |