ZTE Grand S (3G) vs Samsung Galaxy S21 Ultra (SM-G998N 512GB)
Side by side comparison between ZTE Grand S vs Samsung Galaxy S21 Ultra phones, differences, pros, cons and full specifications. What's the better?
,
5"
IPS
IPS
1080x1920
13
MP
MP
2mp
2GB
RAM
RAM
Quad-core
1780
mAh
mAh
(Non removable)
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-G998N 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 | 20 Common items in both devices |
| 16 million |
| LED flash |
| Autofocus / PDAF: phase detection autofocus on both cameras |
| Capacitive |
| Multitouch |
| Accelerometer |
| Ambient light sensor |
| +13 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 | ||
| ZTE Grand S (3G) | Galaxy S21 Ultra (SM-G998N 512GB) | |
| Model | Grand S (3G) | Galaxy S21 Ultra (SM-G998N 512GB) |
| Other model names | AT&T ZTE Grand S 3G+, ZTE Grand S HSPA+, ZTE Athena | 갤럭시 S21 Ultra 5G (SM-G998N Single-SIM) |
| Country or region available |  USA |  South Korea |
| Brand | ZTE | Samsung |
| Release date | 3/1/2013 | 1/29/2021, Announced: 1/14/2021 |
| Depth | 6.9 millimeters (0.27 inches) | 8.9 millimeters (0.35 inches) |
| Size (width x height) | 70 x 142 millimeters (2.76 x 5.59 in) | 75.6 x 165.1 millimeters (2.98 x 6.5 in) |
| Weight | 110 grams (3.85 ounces) | 227 grams (7.95 ounces) |
| Build, materials | Plastic body, glass front | 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 | ||
| ZTE Grand S (3G) | Galaxy S21 Ultra (SM-G998N 512GB) | |
| Display type | TFT IPS LCD | Dynamic AMOLED |
| Screen size | 5" inches | 6.8" inches |
| Screen-to-body ratio | ~69.3% (screen-to-body ratio) | ~89.4% (screen-to-body ratio) |
| Display resolution | 1080x1920 pixels | 1440x3200 pixels (20:9) |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch 10-points |
| Pixel density (dot pitch) | 441 PPI | 516 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass | Gorilla Glass Victus |
| Refresh rate | 60Hz | 120Hz |
| Display features | Not supported | 1500nits[peak] HDR10+ Always-On Display |
🤖 Operating System | ||
| ZTE Grand S (3G) | Galaxy S21 Ultra (SM-G998N 512GB) | |
| System version | Android 4.1.2 Jelly Bean | 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 | ||
| ZTE Grand S (3G) | Galaxy S21 Ultra (SM-G998N 512GB) | |
| Chipset | 32bit: Qualcomm Snapdragon 600 (APQ8064M) (28nm) | 64bit: Samsung Exynos 2100 (5nm) |
| CPU | Quad-core, 1 processor: 4x 1.7GHz Krait 300 (Quad-core) | 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) |
| GPU graphical controller | Qualcomm Adreno 320 (400MHz) | ARM Mali-G78 MP14 (854MHz) |
| Performance (benchmark) | feature not registered | AnTuTu: 657150 (v8), 727634 (v9) Geekbench: 3457 (v5.2) GFXBench: 51fps (ES 3.1 onscreen) |
💽 Memory and storage | ||
| ZTE Grand S (3G) | Galaxy S21 Ultra (SM-G998N 512GB) | |
| RAM memory | 2GB LPDDR3 | 16GB LPDDR5 |
| Internal storage | 16GB (13GB available) | 512GB (457GB available) UFS 3.1 |
| External storage | Until 32GB microSD, microSDHC (dedicated slot) | Not supported |
📶 Mobile networks | ||
| ZTE Grand S (3G) | Galaxy S21 Ultra (SM-G998N 512GB) | |
| Dual-SIM | Not supported | Not supported |
| SIM card | 1 slot (Single-SIM) Standard mini-SIM (2FF) | 1 slot (Single-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 42/5.76 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 850/1900 | UMTS 850/900/1700/1900/2100 |
| Primary 4G network | Not supported | LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 66) TD-LTE (38, 39, 40, 41) VoLTE |
| Primary 5G network | Not supported | SA/NSA/Sub6 (77, 78) |
| 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 | Not supported | Not supported |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | Not supported | Not supported |
📷 Camera | ||
| ZTE Grand S (3G) | Galaxy S21 Ultra (SM-G998N 512GB) | |
| Back camera (main camera) | 13 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 | 4128x3096 pixels | 12000x9000 pixels |
| Video recording (primary) | Full HD (1920x1080) 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 | EIS: Digital stabilization | 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 | Not supported | HDR photo/video on both cameras |
| Camera extras | feature not registered | 4K@60fps 1080p@240fps 720p@960fps |
📸 Front camera | ||
| ZTE Grand S (3G) | Galaxy S21 Ultra (SM-G998N 512GB) | |
| Front camera (secondary) | 2 megapixels | 40 megapixels |
| Front camera resolution | 1600x1200 pixels | 7296x5472 pixels |
| Video recording (secondary) | HD (1280x720) | 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 | ||
| ZTE Grand S (3G) | Galaxy S21 Ultra (SM-G998N 512GB) | |
| Loudspeaker | Mono sound (not stereo) Dolby Mobile sound | Stereo sound 32-bit/384kHz Dolby Atmos Tuned by AKG |
| Active noise cancellation | 2 microphones | 3 microphones |
| Radio | FM | FM |
| TV | Not supported | Not supported |
| Video formats | MP4, H.264, H.263, WMV | MP4, H.265, H.264, H.263, XviD, MKV |
| Audio formats | MP3, WAV, WMA, eAAC+ | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
| ZTE Grand S (3G) | Galaxy S21 Ultra (SM-G998N 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 | Micro-B USB MHL | USB Type-C (reversible) |
| Bluetooth | 4.0 + A2DP | 5.2 + A2DP/LE |
| WiFi | 802.11 a/b/g/n [wifi4] (2.4GHz, 5GHz) WiFi hotspot | 802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot |
| DLNA | Supported | Supported |
| GPS | A-GPS, GeoTagging | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou |
| NFC | Supported | Supported |
| Infrared port | Not supported | Not supported |
🧭 Sensors | ||
| ZTE Grand S (3G) | Galaxy S21 Ultra (SM-G998N 512GB) | |
| Sensors | Accelerometer Ambient light sensor Compass Gyroscope Proximity sensor | 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 | ||
| ZTE Grand S (3G) | Galaxy S21 Ultra (SM-G998N 512GB) | |
| Battery type | Li-Ion: lithium-ion (Non removable) | LiPo: li-ion polymer (Non removable) |
| Battery capacity | 1780 mAh | 5000 mAh |
| Charger, watts | Wired charging | 25W Wired fast charging USB Power Delivery 3.0 |
| Inductive / wireless charging | Not supported | 15W Qi wireless charging (Qi/PMA) 4.5W Reverse wireless charging |
| Talk time autonomy | feature not registered | feature not registered |
| Standby | feature not registered | feature not registered |
➕ Other features | ||
| ZTE Grand S (3G) | Galaxy S21 Ultra (SM-G998N 512GB) | |
| 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: Silver, Red, Blue, White • Java framework | • Colors: Phantom Black, Silver, Titanium, Navy, Brown • Samsung Pay (Visa, MasterCard) • Samsung DeX • Stylus pen support |
☢️ Radiation rate | ||
| ZTE Grand S (3G) | Galaxy S21 Ultra (SM-G998N 512GB) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 0.489W/kg (head), 1.1W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |