Motorola Moto Z2 Force (XT1789-07) vs Samsung Galaxy S21 Ultra (SM-G998B 128GB)
Side by side comparison between Motorola Moto Z2 Force vs Samsung Galaxy S21 Ultra phones, differences, pros, cons and full specifications. What's the better?
,
5.5"
POLED
POLED
1440x2560
12
MP
MP
5mp
6GB
RAM
RAM
Octa-core
2730
mAh
mAh
(Non 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-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!
19 Common items in both devices |
Aluminum body, glass front / Aluminum frame, glass front/back |
16 million |
LDAF/PDAF: laser/phase detection autofocus / PDAF: phase detection autofocus on both cameras |
HDR photo on both cameras / HDR photo/video on both cameras |
Capacitive |
Multitouch |
Accelerometer |
+12 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 | ||
Moto Z2 Force (XT1789-07) | Galaxy S21 Ultra (SM-G998B 128GB) | |
Model | Moto Z2 Force (XT1789-07) | Galaxy S21 Ultra (SM-G998B 128GB) |
Other model names | Lenovo Moto Z2 Force 6GB RAM XT1789-07 Dual-Sim | Galaxy S21 Ultra 5G (SM-G998B Single-SIM) |
Country or region available | Brazil | Australia |
Brand | Motorola | Samsung |
Release date | 8/1/2017 | 1/29/2021, Announced: 1/14/2021 |
Depth | 6.1 millimeters (0.24 inches) | 8.9 millimeters (0.35 inches) |
Size (width x height) | 76 x 155.8 millimeters (2.99 x 6.13 in) | 75.6 x 165.1 millimeters (2.98 x 6.5 in) |
Weight | 143 grams (5.01 ounces) | 227 grams (7.95 ounces) |
Build, materials | Aluminum body, glass front | Aluminum frame, glass front/back |
Protection against water and others | Water repellent nano-coating (don't immerse) | IP68 certified: water-resistant up to 1.5 meters for 30min and dust-resistant |
📲 Display | ||
Moto Z2 Force (XT1789-07) | Galaxy S21 Ultra (SM-G998B 128GB) | |
Display type | P-OLED | Dynamic AMOLED |
Screen size | 5.5" inches | 6.8" inches |
Screen-to-body ratio | ~70.4% (screen-to-body ratio) | ~89.4% (screen-to-body ratio) |
Display resolution | 1440x2560 pixels | 1440x3200 pixels (20:9) |
Touchscreen | Capacitive Multitouch | Capacitive Multitouch 10-points |
Pixel density (dot pitch) | 534 PPI | 516 PPI |
Colors | 16 million | 16 million |
Scratch-resistant glass | ShatterShield | Gorilla Glass Victus |
Refresh rate | feature not registered | 120Hz |
Display features | feature not registered | 1500nits[peak] HDR10+ Always-On Display |
🤖 Operating System | ||
Moto Z2 Force (XT1789-07) | Galaxy S21 Ultra (SM-G998B 128GB) | |
System version | Android 7.1.1 Nougat | Android 11 |
Firmware update | Android 9.0 Pie | Android 14 |
User Interface | feature not registered | One UI 3.1 / 4.1 / 5.1 / 6.0 |
⚙️ Processor | ||
Moto Z2 Force (XT1789-07) | Galaxy S21 Ultra (SM-G998B 128GB) | |
Chipset | 64bit: Qualcomm Snapdragon 835 (MSM8998) (10nm) | 64bit: Samsung Exynos 2100 (5nm) |
CPU | Octa-core, 2 processors: 4x 2.35GHz Kryo 280 (Quad-core) 4x 1.9GHz Kryo 280 (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 540 (670-710MHz) | 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 | ||
Moto Z2 Force (XT1789-07) | Galaxy S21 Ultra (SM-G998B 128GB) | |
RAM memory | 6GB LPDDR4 | 12GB LPDDR5 |
Internal storage | 64GB (45GB available) UFS 2.1 | 128GB (101GB available) UFS 3.1 |
External storage | Until 256GB microSD, microSDXC (dedicated slot) | Not supported |
📶 Mobile networks | ||
Moto Z2 Force (XT1789-07) | Galaxy S21 Ultra (SM-G998B 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) nano-SIM (4FF) | 1 slot (Single-SIM) nano-SIM (4FF) + e-SIM |
Maximum Download / Upload | 450/50 Mbps | 5000/1920 Mbps |
Network technology | 2G, 3G, 4G | 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 850/900/1700/1900/2100 | UMTS 850/900/1700/1900/2100 |
Primary 4G network | LTE Cat9 (Bands 1, 2, 3, 4, 5, 7, 8, 12, 17, 19, 20, 26, 28, 34) TD-LTE (Bands 38, 39, 40, 41) | 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 |
Primary 5G network | Not supported | SA/NSA/Sub6 (1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78) |
Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A | 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, 17, 18, 19, 20, 25, 26, 28, 32, 66) TD-LTE (38, 39, 40, 41) VoLTE |
Secondary data network | GPRS, EDGE | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, TD-LTE, LTE, LTE-A, SA/NSA |
📷 Camera | ||
Moto Z2 Force (XT1789-07) | Galaxy S21 Ultra (SM-G998B 128GB) | |
Back camera (main camera) | (dual camera) 12 megapixels 12MP mono f/2.01/2.9"1.25µmPDAF | (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 | 4000x3000 pixels | 12000x9000 pixels |
Video recording (primary) | 4K UHD (3840x2160) 30 fps | 8K UHD (7680x4320) 24 fps |
Flash | Dual-LED on both cameras | LED flash |
Focal aperture | f/2.0 (aperture) | f/1.8 (aperture) |
Focal length | feature not registered | 26mm lens |
Sensor size | 1/2.9" inches | 1/1.33" inches |
Pixel size | 1.25µm pixel | 1.8µm pixel |
Autofocus | LDAF/PDAF: laser/phase detection 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 | HDR photo on both cameras | HDR photo/video on both cameras |
Camera extras | feature not registered | 4K@60fps 1080p@240fps 720p@960fps |
📸 Front camera | ||
Moto Z2 Force (XT1789-07) | Galaxy S21 Ultra (SM-G998B 128GB) | |
Front camera (secondary) | 5 megapixels | 40 megapixels |
Front camera resolution | 2592x1944 pixels | 7296x5472 pixels |
Video recording (secondary) | Full HD (1920x1080) | 4K UHD (3840x2160) |
Front flash | Dual-LED | Not supported |
Focal aperture | f/2.2 (aperture) | 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 | ||
Moto Z2 Force (XT1789-07) | Galaxy S21 Ultra (SM-G998B 128GB) | |
Loudspeaker | Supported | Stereo sound 32-bit/384kHz Dolby Atmos Tuned by AKG |
Active noise cancellation | 2 microphones or more | 2 microphones or more |
Radio | Not supported | FM |
TV | Not supported | Not supported |
Video formats | MP4, H.265, H.264, H.263 | MP4, H.265, H.264, H.263, XviD, MKV |
Audio formats | MP3, OGG, eAAC+, FLAC | MP3, WAV, WMA, eAAC+, FLAC |
🔌 Connectivity | ||
Moto Z2 Force (XT1789-07) | Galaxy S21 Ultra (SM-G998B 128GB) | |
USB | USB 3.1 Type-C, USB OTG On-The-Go | USB 3.2 Type-C, USB OTG On-The-Go |
Audio output | Type-C jack with 3.5mm jack adapter | Type-C reversible connector |
TV output | Not supported | USB Type-C (reversible) |
Bluetooth | 5.0 + A2DP/LE | 5.2 + A2DP/LE |
WiFi | 802.11 a/b/g/n/ac [wifi5] (2.4GHz, 5GHz) + MIMO 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 | Supported | Supported |
Infrared port | Not supported | Not supported |
🧭 Sensors | ||
Moto Z2 Force (XT1789-07) | Galaxy S21 Ultra (SM-G998B 128GB) | |
Sensors | Accelerometer Ambient light sensor Barometer Compass Fingerprint sensor Gyroscope 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 | ||
Moto Z2 Force (XT1789-07) | Galaxy S21 Ultra (SM-G998B 128GB) | |
Battery type | Li-Ion: lithium-ion (Non removable) | LiPo: li-ion polymer (Non removable) |
Battery capacity | 2730 mAh | 5000 mAh |
Charger, watts | 15W Wired fast 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 | feature not registered | feature not registered |
Standby | feature not registered | feature not registered |
➕ Other features | ||
Moto Z2 Force (XT1789-07) | Galaxy S21 Ultra (SM-G998B 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, Black/Grey, White/Gold • Sony IMX386 back camera sensor • Slow motion 1080p@120fps | • Colors: Phantom Black, Silver, Titanium, Navy, Brown • Samsung Pay (Visa, MasterCard) • Samsung DeX • Stylus pen support |
☢️ Radiation rate | ||
Moto Z2 Force (XT1789-07) | Galaxy S21 Ultra (SM-G998B 128GB) | |
SAR 1.6W/kg (USA, Mexico, etc.) | feature not registered | 0.24W/kg (head), 0.72W/kg (body) |
SAR 2W/kg (Europe, UK, etc.) | feature not registered | 0.714W/kg (head), 1.58W/kg (body) |