Samsung Galaxy S21 Ultra (SM-G998B 256GB) vs HTC Touch Diamond2 T5353
Side by side comparison between Samsung Galaxy S21 Ultra vs HTC Touch Diamond2 T5353 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
3.2"
TFT
TFT
480x800
5
MP
MP
0.3mp
288MB
RAM
RAM
Single-core
1100
mAh
mAh
(Removable)
What's the better phone? Samsung Galaxy S21 Ultra (SM-G998B 256GB)
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!
37 Advantages 
3 Advantages | 5 Common items in both devices |
| PDAF: phase detection autofocus on both cameras / Autofocus |
| Accelerometer |
| Ambient light sensor |
| FM / FM (RDS) |
| A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou / A-GPS |
| + 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 256GB) | HTC Touch Diamond2 T5353 | |
| Model | Galaxy S21 Ultra (SM-G998B 256GB) | Touch Diamond2 T5353 |
| Other model names | Galaxy S21 Ultra 5G (SM-G998B Single-SIM) | AT&T HTC Touch Diamond 2, HTC Warhawk AT&T, HTC Topaz 100 |
| Country or region available |  Australia | feature not registered |
| Brand | Samsung | HTC |
| Release date | 1/29/2021, Announced: 1/14/2021 | 4/4/2009 |
| Depth | 8.9 millimeters (0.35 inches) | 13.7 millimeters (0.54 inches) |
| Size (width x height) | 75.6 x 165.1 millimeters (2.98 x 6.5 in) | 53.1 x 107.85 millimeters (2.09 x 4.25 in) |
| Weight | 227 grams (7.95 ounces) | 118 grams (4.13 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 256GB) | HTC Touch Diamond2 T5353 | |
| Display type | Dynamic AMOLED | TFT LCD |
| Screen size | 6.8" inches | 3.2" inches |
| Screen-to-body ratio | ~89.4% (screen-to-body ratio) | ~50.9% (screen-to-body ratio) |
| Display resolution | 1440x3200 pixels (20:9) | 480x800 pixels |
| Touchscreen | Capacitive Multitouch 10-points | Resistive Single touch 1-point |
| Pixel density (dot pitch) | 516 PPI | 292 PPI |
| Colors | 16 million | 65 thousand |
| Scratch-resistant glass | Gorilla Glass Victus | Not supported |
| Refresh rate | 120Hz | feature not registered |
| Display features | 1500nits[peak] HDR10+ Always-On Display | feature not registered |
🤖 Operating System | ||
| Galaxy S21 Ultra (SM-G998B 256GB) | HTC Touch Diamond2 T5353 | |
| System version | Android 11 | Windows Mobile 6.1 Professional |
| Firmware update | Android 14 | Windows Mobile 6.5 Professional Titanium |
| User Interface | One UI 3.1 / 4.1 / 5.1 / 6.0 | feature not registered |
⚙️ Processor | ||
| Galaxy S21 Ultra (SM-G998B 256GB) | HTC Touch Diamond2 T5353 | |
| Chipset | 64bit: Samsung Exynos 2100 (5nm) | 32bit: Qualcomm MSM7200A |
| 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) | Single-core, 1 processor: 1x 528MHz ARM1136EJ-S (Single-core) |
| GPU graphical controller | ARM Mali-G78 MP14 (854MHz) | Qualcomm Adreno 130 |
| 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 256GB) | HTC Touch Diamond2 T5353 | |
| RAM memory | 12GB LPDDR5 | 288MB LPDDR |
| Internal storage | 256GB (220GB available) UFS 3.1 | 512MB (299MB available) |
| External storage | Not supported | Until 16GB microSD (dedicated slot) |
📶 Mobile networks | ||
| Galaxy S21 Ultra (SM-G998B 256GB) | HTC Touch Diamond2 T5353 | |
| 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 | 7.2/2 Mbps |
| Network technology | 2G, 3G, 4G, 5G | 2G, 3G |
| 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 900/2100 |
| 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 | Not supported |
| 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 | CSD, GPRS, EDGE, UMTS, HSDPA, HSUPA |
| 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 256GB) | HTC Touch Diamond2 T5353 | |
| 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 | 5 megapixels |
| Main camera resolution | 12000x9000 pixels | 2560x1920 pixels |
| Video recording (primary) | 8K UHD (7680x4320) 24 fps | CIF (352x288) 15 fps |
| Flash | LED flash | Not supported |
| 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 | feature not registered |
| 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 256GB) | HTC Touch Diamond2 T5353 | |
| Front camera (secondary) | 40 megapixels | 0.3 megapixels |
| Front camera resolution | 7296x5472 pixels | 640x480 pixels |
| Video recording (secondary) | 4K UHD (3840x2160) | CIF (352x288) |
| 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 256GB) | HTC Touch Diamond2 T5353 | |
| Loudspeaker | Stereo sound 32-bit/384kHz Dolby Atmos Tuned by AKG | Supported |
| Active noise cancellation | 2 microphones or more | feature not registered |
| Radio | FM | FM (RDS) |
| TV | Not supported | Not supported |
| Video formats | MP4, H.265, H.264, H.263, XviD, MKV | 3GP, MPEG4 |
| Audio formats | MP3, WAV, WMA, eAAC+, FLAC | MP3, WAV |
🔌 Connectivity | ||
| Galaxy S21 Ultra (SM-G998B 256GB) | HTC Touch Diamond2 T5353 | |
| USB | USB 3.2 Type-C, USB OTG On-The-Go | Mini-USB 2.0 (Mini-B) |
| Audio output | Type-C reversible connector | proprietary audio output |
| TV output | USB Type-C (reversible) | Not supported |
| Bluetooth | 5.2 + A2DP/LE | 2.0 + A2DP |
| WiFi | 802.11 a/b/g/n/ac/ax [wifi6] (2.4GHz, 5GHz) + MIMO WiFi Direct, hotspot | 802.11 b/g [wifi3] (2.4GHz) |
| DLNA | Supported | feature not registered |
| GPS | A-GPS, GeoTagging, GLONASS, GALILEO, BeiDou | A-GPS |
| NFC | Supported | Not supported |
| Infrared port | Not supported | feature not registered |
🧭 Sensors | ||
| Galaxy S21 Ultra (SM-G998B 256GB) | HTC Touch Diamond2 T5353 | |
| 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 |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Galaxy S21 Ultra (SM-G998B 256GB) | HTC Touch Diamond2 T5353 | |
| Battery type | LiPo: li-ion polymer (Non removable) | Li-Ion: lithium-ion (Removable) TOPA100 |
| Battery capacity | 5000 mAh | 1100 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 | 5 hours |
| Standby | feature not registered | 360 hours (15 days) |
➕ Other features | ||
| Galaxy S21 Ultra (SM-G998B 256GB) | HTC Touch Diamond2 T5353 | |
| Call control | Voice dialing, Voice recorder, Voice commands | Voice recorder |
| Messaging | SMS (T9), MMS, E-mail, Push mail | SMS, MMS, E-mail |
| Hands-free calling | Supported | Supported |
| Video calling | Supported | Supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | HTML, XHTML, HTML5 | feature not registered |
| 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 • HTC TouchFLO 3D (HTC Manila) UI • Touch focus • Opera 9.5 • World Card Mobile 1.0 • Word, Excel, PowerPoint, OneNote, PDF viewer • Java framework |
☢️ Radiation rate | ||
| Galaxy S21 Ultra (SM-G998B 256GB) | HTC Touch Diamond2 T5353 | |
| 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 |