Samsung Galaxy S21 Ultra (SM-G998B 128GB) vs ZTE Flash (N9500)
Side by side comparison between Samsung Galaxy S21 Ultra vs ZTE Flash phones, differences, pros, cons and full specifications. What's the better?
,
6.8"
AMOLED
AMOLED
1440x3200
108
MP
MP
40mp
12GB
RAM
RAM
Octa-core
5000
mAh
mAh
(Non removable)
vs
4.5"
IPS
IPS
720x1280
13
MP
MP
1mp
1GB
RAM
RAM
Dual-core
1780
mAh
mAh
(Removable)
What's the better phone? Samsung Galaxy S21 Ultra (SM-G998B 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!
28 Advantages 
4 Advantages | 14 Common items in both devices |
| 16 million |
| LED flash |
| PDAF: phase detection autofocus on both cameras / Autofocus |
| Capacitive |
| Multitouch |
| Accelerometer |
| Ambient light sensor |
| +7 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-G998B 128GB) | ZTE Flash (N9500) | |
| Model | Galaxy S21 Ultra (SM-G998B 128GB) | Flash (N9500) |
| Other model names | Galaxy S21 Ultra 5G (SM-G998B Single-SIM) | Sprint ZTE Flash N9500, ZTE Flash for Sprint |
| Country or region available |  Australia |  USA |
| Brand | Samsung | ZTE |
| Release date | 1/29/2021, Announced: 1/14/2021 | 11/1/2012 |
| Depth | 8.9 millimeters (0.35 inches) | 9.7 millimeters (0.38 inches) |
| Size (width x height) | 75.6 x 165.1 millimeters (2.98 x 6.5 in) | 65.7 x 133.9 millimeters (2.59 x 5.27 in) |
| Weight | 227 grams (7.95 ounces) | 142 grams (4.97 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-G998B 128GB) | ZTE Flash (N9500) | |
| Display type | Dynamic AMOLED | TFT IPS LCD |
| Screen size | 6.8" inches | 4.5" inches |
| Screen-to-body ratio | ~89.4% (screen-to-body ratio) | ~63.5% (screen-to-body ratio) |
| Display resolution | 1440x3200 pixels (20:9) | 720x1280 pixels |
| Touchscreen | Capacitive Multitouch 10-points | Capacitive Multitouch |
| Pixel density (dot pitch) | 516 PPI | 326 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass Victus | Gorilla Glass |
| Refresh rate | 120Hz | feature not registered |
| Display features | 1500nits[peak] HDR10+ Always-On Display | feature not registered |
🤖 Operating System | ||
| Galaxy S21 Ultra (SM-G998B 128GB) | ZTE Flash (N9500) | |
| System version | Android 11 | Android 4.0.4 Ice Cream Sandwich ICS |
| Firmware update | Android 14 | feature not registered |
| User Interface | One UI 3.1 / 4.1 / 5.1 / 6.0 | feature not registered |
⚙️ Processor | ||
| Galaxy S21 Ultra (SM-G998B 128GB) | ZTE Flash (N9500) | |
| Chipset | 64bit: Samsung Exynos 2100 (5nm) | 32bit: Qualcomm Snapdragon S4 MSM8960 |
| CPU | 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) | Dual-core, 1 processor: 2x 1.5GHz Krait (Dual-core) |
| GPU graphical controller | ARM Mali-G78 MP14 (854MHz) | Qualcomm Adreno 225 |
| Performance (benchmark) | AnTuTu: 657150 (v8), 727634 (v9) Geekbench: 3457 (v5.2) GFXBench: 51fps (ES 3.1 onscreen) | feature not registered |
💽 Memory and storage | ||
| Galaxy S21 Ultra (SM-G998B 128GB) | ZTE Flash (N9500) | |
| RAM memory | 12GB LPDDR5 | 1GB LPDDR2 |
| Internal storage | 128GB (101GB available) UFS 3.1 | 8GB |
| External storage | Not supported | Until 64GB microSD, microSDXC (dedicated slot) |
📶 Mobile networks | ||
| Galaxy S21 Ultra (SM-G998B 128GB) | ZTE Flash (N9500) | |
| Dual-SIM | Dual-SIM Standby - Call active on one sim card | Not supported |
| SIM card | 1 slot (Single-SIM) nano-SIM (4FF) + e-SIM | 1 slot (Single-SIM) Standard mini-SIM (2FF) |
| Maximum Download / Upload | 5000/1920 Mbps | 100/50 Mbps |
| Network technology | 2G, 3G, 4G, 5G | 2G, 3G, 4G |
| Frequency, bands | Expand band details Collapse details | |
| GSM MHz band | Quad-Band 850/900/1800/1900 | Not supported |
| Primary 2G network | GSM 850/900/1800/1900 | CDMA 800/1900 |
| Primary 3G network | UMTS 850/900/1700/1900/2100 | CDMA2000 1xEV-DO |
| Primary 4G network | LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 66) TD-LTE (38, 39, 40, 41) VoLTE | LTE 1900 |
| Primary 5G network | SA/NSA/Sub6 (1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78) | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA | CDMA2000 EV-DO Rev A, LTE |
| Secondary 2G network | GSM 850/900/1800/1900 | Not supported |
| Secondary 3G network | UMTS 850/900/1700/1900/2100 | Not supported |
| Secondary 4G network | LTE Cat20 (1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 66) TD-LTE (38, 39, 40, 41) VoLTE | Not supported |
| Secondary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA | Not supported |
📷 Camera | ||
| Galaxy S21 Ultra (SM-G998B 128GB) | ZTE Flash (N9500) | |
| 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 | 13 megapixels |
| Main camera resolution | 12000x9000 pixels | 4128x3096 pixels |
| Video recording (primary) | 8K UHD (7680x4320) 24 fps | Full HD (1920x1080) 30 fps |
| 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 | feature not registered |
| Image stabilization | OIS: Optical stabilization | feature not registered |
| Zoom | Digital and optical zoom | Only digital zoom |
| Face/smile detection | Face detection, Smile detection | Face detection |
| BSI sensor | Supported | feature not registered |
| HDR | HDR photo/video on both cameras | feature not registered |
| Camera extras | 4K@60fps 1080p@240fps 720p@960fps | feature not registered |
📸 Front camera | ||
| Galaxy S21 Ultra (SM-G998B 128GB) | ZTE Flash (N9500) | |
| Front camera (secondary) | 40 megapixels | 1 megapixels |
| Front camera resolution | 7296x5472 pixels | 1280x720 pixels |
| Video recording (secondary) | 4K UHD (3840x2160) | HD (1280x720) |
| 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-G998B 128GB) | ZTE Flash (N9500) | |
| Loudspeaker | Stereo sound 32-bit/384kHz Dolby Atmos Tuned by AKG | Supported |
| Active noise cancellation | 2 microphones or more | feature not registered |
| Radio | FM | Not supported |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263, XviD, MKV | MP4, DivX, Xvid, H.263, H.264, WMV |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV, WMA, eAAC+ |
🔌 Connectivity | ||
| Galaxy S21 Ultra (SM-G998B 128GB) | ZTE Flash (N9500) | |
| 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) WiFi Direct, hotspot |
| DLNA | Supported | feature not registered |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou | A-GPS, GeoTagging |
| NFC | Supported | Supported |
| Infrared port | Not supported | feature not registered |
🧭 Sensors | ||
| Galaxy S21 Ultra (SM-G998B 128GB) | ZTE Flash (N9500) | |
| 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 Compass Gyroscope Proximity sensor |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy S21 Ultra (SM-G998B 128GB) | ZTE Flash (N9500) | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Removable) |
| Battery capacity | 5000 mAh | 1780 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 | 8 hours |
| Standby | feature not registered | 216 hours (9 days) |
➕ Other features | ||
| Galaxy S21 Ultra (SM-G998B 128GB) | ZTE Flash (N9500) | |
| 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, Flash player |
| 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 • 2GB microSD included • Active noise cancellation with dedicated mic • DLNA • WiFi dual-band • Java framework |
☢️ Radiation rate | ||
| Galaxy S21 Ultra (SM-G998B 128GB) | ZTE Flash (N9500) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 0.24W/kg (head), 0.72W/kg (body) | feature not registered |
| SAR 2W/kg (Europe, UK, etc.) | 0.714W/kg (head), 1.58W/kg (body) | feature not registered |