NGM Droid Duo vs Samsung Galaxy S21 Ultra (SM-G998U1 512GB)
Side by side comparison between NGM Droid Duo vs Samsung Galaxy S21 Ultra phones, differences, pros, cons and full specifications. What's the better?
,
vs
6.8"
AMOLED
AMOLED
1440x3200
108
MP
MP
40mp
16GB
RAM
RAM
Octa-core
5000
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!
4 Advantages 
34 Advantages | 4 Common items in both devices |
| Hands-free calling |
| Vibrating alert |
| FM (RDS) / FM |
| A-GPS / A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou |
| + 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 | ||
| NGM Droid Duo | Galaxy S21 Ultra (SM-G998U1 512GB) | |
| Change model | ||
| Model | Droid Duo | Galaxy S21 Ultra (SM-G998U1 512GB) |
| Other model names | New Generation Mobile NGM Droid Duo Dual Sim | Galaxy S21 Ultra 5G (SM-G998U1) Unlocked |
| Country or region available | feature not registered |  USA |
| Brand | NGM | Samsung |
| Release date | 9/1/2011 | 1/29/2021, Announced: 1/14/2021 |
| Depth | 17 millimeters (0.67 inches) | 8.9 millimeters (0.35 inches) |
| Size (width x height) | 56 x 112 millimeters (2.2 x 4.41 in) | 75.6 x 165.1 millimeters (2.98 x 6.5 in) |
| Weight | 120 grams (4.2 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 | ||
| NGM Droid Duo | Galaxy S21 Ultra (SM-G998U1 512GB) | |
| Display type | TFT LCD | Dynamic AMOLED |
| Screen size | 3" inches | 6.8" inches |
| Screen-to-body ratio | ~40.8% (screen-to-body ratio) | ~89.4% (screen-to-body ratio) |
| Display resolution | 240x400 pixels | 1440x3200 pixels (20:9) |
| Touchscreen | Resistive Single touch 1-point | Capacitive Multitouch 10-points |
| Pixel density (dot pitch) | 155 PPI | 516 PPI |
| Colors | 260 thousand | 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 | ||
| NGM Droid Duo | Galaxy S21 Ultra (SM-G998U1 512GB) | |
| System version | Android 1.6 Donut | Android 11 |
| Firmware update | feature not registered | Android 15 |
| User Interface | feature not registered | One UI 3.1 / 4.1 / 5.1 / 6.0 / 7.0 |
⚙️ Processor | ||
| NGM Droid Duo | Galaxy S21 Ultra (SM-G998U1 512GB) | |
| Chipset | 32bit | 64bit: Qualcomm Snapdragon 888 (SM8350) (5nm) |
| CPU | Single-core, 1 processor: Single-core Marvell (Single-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 | feature not registered | 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 | ||
| NGM Droid Duo | Galaxy S21 Ultra (SM-G998U1 512GB) | |
| RAM memory | feature not registered | 16GB LPDDR5 |
| Internal storage | 10MB | 512GB (457GB available) UFS 3.1 |
| External storage | Until 16GB microSD, microSDHC (dedicated slot) | Not supported |
📶 Mobile networks | ||
| NGM Droid Duo | Galaxy S21 Ultra (SM-G998U1 512GB) | |
| Dual-SIM | Dual-SIM Active - Call active on both sim cards (dedicated slot) | Dual-SIM Standby - Call active on one sim card |
| SIM card | 2 slots (Dual-SIM) Standard mini-SIM (2FF) | 1 slot (Single-SIM) nano-SIM (4FF) + e-SIM |
| Maximum Download / Upload | 0.236 Mbps | 5000/1920 Mbps |
| Network technology | 2G | 2G, 3G, 4G, 5G |
| Frequency, bands | Expand band details Collapse details | |
| GSM MHz band | Tri-Band 900/1800/1900 | Quad-Band 850/900/1800/1900 |
| Primary 2G network | GSM 900/1800/1900 | CDMA 800/1900, GSM 850/900/1800/1900 |
| Primary 3G network | Not supported | CDMA2000 1xEV-DO UMTS 850/900/1700/1900/2100 |
| Primary 4G network | Not supported | 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 |
| Primary 5G network | Not supported | SA/NSA/Sub6 (2, 5, 25, 41, 66, 71) mmWave (260, 261) |
| Primary data network | GPRS, EDGE | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6 |
| Secondary 2G network | GSM 900/1800/1900 | CDMA 800/1900, GSM 850/900/1800/1900 |
| Secondary 3G network | Not supported | CDMA2000 1xEV-DO UMTS 850/900/1700/1900/2100 |
| Secondary 4G network | Not supported | 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 |
| Secondary data network | GPRS, EDGE | GPRS, EDGE, CDMA2000 EV-DO Rev 0, CDMA2000 EV-DO Rev A, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA, Sub6 |
📷 Camera | ||
| NGM Droid Duo | Galaxy S21 Ultra (SM-G998U1 512GB) | |
| 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) | VGA (640x480) | 8K UHD (7680x4320) 24 fps |
| Flash | Not supported | 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 | Not supported | PDAF: phase detection autofocus on both cameras |
| Touch focus | Not supported | Supported |
| Image stabilization | feature not registered | OIS: Optical stabilization |
| Zoom | Only digital zoom | Digital and optical zoom |
| Face/smile detection | Not supported | Face detection, Smile detection |
| BSI sensor | Not supported | Supported |
| HDR | Not supported | HDR photo/video on both cameras |
| Camera extras | feature not registered | 4K@60fps 1080p@240fps 720p@960fps |
📸 Front camera | ||
| NGM Droid Duo | Galaxy S21 Ultra (SM-G998U1 512GB) | |
| Front camera (secondary) | Not supported | 40 megapixels |
| Front camera resolution | Not supported | 7296x5472 pixels |
| Video recording (secondary) | Not supported | 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 | ||
| NGM Droid Duo | Galaxy S21 Ultra (SM-G998U1 512GB) | |
| Loudspeaker | Supported | Stereo sound 32-bit/384kHz Dolby Atmos Tuned by AKG |
| Active noise cancellation | Not supported | 3 microphones |
| Radio | FM (RDS) | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, H.263 | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, AAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| NGM Droid Duo | Galaxy S21 Ultra (SM-G998U1 512GB) | |
| 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 | 2.0 + A2DP | 5.2 + A2DP/LE |
| WiFi | 802.11 b/g [wifi3] (2.4GHz) | 802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot |
| DLNA | Not supported | Supported |
| GPS | A-GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou |
| NFC | Not supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| NGM Droid Duo | Galaxy S21 Ultra (SM-G998U1 512GB) | |
| Sensors | Not supported | Accelerometer Ambient light sensor Barometer Compass Face unlock 2D Fingerprint sensor (under display) Gesture Gyroscope Hall effect Proximity sensor UWB (Ultra Wideband) |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| NGM Droid Duo | Galaxy S21 Ultra (SM-G998U1 512GB) | |
| Battery type | Li-Ion: lithium-ion (Removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 1200 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 | 5 hours | feature not registered |
| Standby | 200 hours (8.3 days) | feature not registered |
➕ Other features | ||
| NGM Droid Duo | Galaxy S21 Ultra (SM-G998U1 512GB) | |
| Call control | Voice recorder | Voice dialing, Voice recorder, Voice commands |
| Messaging | SMS, MMS, E-mail | SMS (T9), MMS, E-mail, Push mail |
| Hands-free calling | Supported | Supported |
| Video calling | Not supported | Supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | WAP, HTML | HTML, XHTML, HTML5 |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Black • 1GB microSD included | • Colors: Phantom Black, Silver, Titanium, Navy, Brown • Samsung Pay (Visa, MasterCard) • Samsung DeX • Stylus pen support |
☢️ Radiation rate | ||
| NGM Droid Duo | Galaxy S21 Ultra (SM-G998U1 512GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 0.77W/kg (head), 1.02W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | 0.402W/kg (body) | feature not registered |