Samsung Galaxy S21 Ultra 5G vs O2 XDA Serra Comparison and Differences
Smartphone 1
Samsung Galaxy S21 Ultra 5G
Smartphone 2
O2 XDA Serra
Smartphone 3
Samsung Galaxy S21 Ultra 5G or O2 XDA Serra Specs Comparison
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Common specs
| Brand and model | Samsung Galaxy S21 Ultra 5G | O2 XDA Serra | |
| Rating | (+0) | (+0) | |
| Release date | 2021, January 14 | 2008, July | |
| Dimensions (HxWxD) | 165.1 x 75.6 x 8.9 mm | 6.5 x 6.5 x 2.98 in | 102 x 51 x 18.1 mm | 4.02 x 4.02 x 2.01 in | |
| Weight | 227 g | 8.01 oz | 165 g | 5.82 oz | |
| Body Build | Glass front (Gorilla Glass Victus), glass back (Gorilla Glass Victus), aluminum frame | ||
| Case | buy from Amazon | buy from Amazon | |
| Colors | Phantom Black, Phantom Silver, Phantom Titanium, Phantom Navy, Phantom Brown | Black | |
| Battery | 5000 mAh, Li-Ion, non-removable | 1340 mAh, Removable Li-Ion | |
| Battery life |
Stand by time - Up to 406 h Talking time - Up to 8 h |
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| Keyboard | QWERTY | ||
| Approximate price | $ 960 | ||
| Check price | from Amazon | from Amazon |
Screen
| Technology | Dynamic AMOLED 2X | TFT | |
| Touchscreen | capacitive touchscreen | resistive touchscreen | |
| Display colors | 16M | 65K | |
| Screen size | 6.8" in | 2.8" in | |
| Screen area | 112.1 cm2 | 24.3 cm2 | |
| Screen format | 20:9 (height:width) | 4:3 (height:width) | |
| Screen to body ratio | 89.8% | 46.7% | |
| Screen resolution | 1440 x 3200 px | 480 x 640 px | |
| Screen PPI /points per inch/ | 515 PPI | 286 PPI | |
| Screen protection | Corning Gorilla Glass Victus | ||
| Other specs | - Always-on display -120Hz -HDR10+ -1500 nits (peak) |
- Handwriting recognition | |
| Screen protector | buy from Amazon | buy from Amazon |
Camera and Video
| Rear camera, main | 108 MP, Quad | 3.15 MP, Single | |
| Camera specs | -108 MP, f/1.8, 24mm (wide), 1/1.33", 0.8µm, PDAF, Laser AF, OIS -10 MP, f/4.9, 240mm (periscope telephoto), 1/3.24", 1.22µm, dual pixel PDAF, OIS, 10x optical zoom -10 MP, f/2.4, 70mm (telephoto), 1/3.24", 1.22µm, dual pixel PDAF, OIS, 3x optical zoom -12 MP, f/2.2, 13mm (ultrawide), 1/2.55", 1.4µm, dual pixel PDAF, Super Steady video |
-3.15 MP, AF | |
| Functions | LED flash, auto-HDR, panorama | LED flash | |
| Video | 8K@24fps, 4K@30/60fps, 1080p@30/60/240fps, 720p@960fps, HDR10+, stereo sound rec., gyro-EIS | Yes | |
| DxOMark Main Score | 121 | ||
| DxOMark Photo | 128 | ||
| DxOMark Video | 98 | ||
| Front camera, selfie | 40 MP, Single | 0.3 MP, Single | |
| Specifications | 40 MP, f/2.2, 26mm (wide), 1/2.8'', 0.7µm, PDAF | VGA videocall camera | |
| Functions | Dual video call, Auto-HDR | ||
| Video | 4K@30/60fps, 1080p@30fps | ||
| DxOMark Selfie Score | 101 | ||
| DxOMark Photo | 104 | ||
| DxOMark Video | 95 |
Performance
| Operating system - OS | Android 11, One UI 3.1 | Microsoft Windows Mobile 6.1 Professional | |
| Chipset | - Exynos 2100 (5 nm) - Qualcomm SM8350 Snapdragon 888 (5 nm) - USA/China |
- Qualcomm MSM7201A | |
| CPU | - Octa-core (1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A55) - International -Octa-core (1x2.84 GHz Kryo 680 & 3x2.42 GHz Kryo 680 & 4x1.80 GHz Kryo 680 - USA/China |
- 528 MHz ARM 11 | |
| GPU | Mali-G78 MP14 - International Adreno 660 - USA/China |
Adreno 130 | |
| External memory | No | microSD (dedicated slot) | |
| Internal memory | 128GB 12GB RAM, 256GB 12GB RAM, 512GB 16GB RAM | 288 MB RAM, 512 MB ROM |
Benchmark
| Antutu 10 Total | 744835 | ||
| Antutu 10 CPU | 199654 | ||
| Antutu 10 GPU | 229735 | ||
| Antutu 10 Mem | 150252 | ||
| Antutu 10 UX | 199654 | ||
| Antutu 8 Total | 638987 | ||
| GeekBench 5 Single Core | 960 | ||
| GeekBench 5 Multi-Core | 3177 |
Communication and Connectivity
| SIM card | Single SIM (Nano-SIM and/or eSIM)Dual SIM (Nano-SIM and/or eSIM, dual stand-by) | Mini-SIM | |
| Network | GSM / CDMA / HSPA / EVDO / LTE / 5G | GSM / HSPA | |
| Bands | -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (Dual SIM model only) CDMA 800 / 1900 & TD-SCDMA -3G - HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 CDMA2000 1xEV-DO -4G - LTE -5G - SA/NSA/Sub6/mmWave |
-2G - GSM 850 / 900 / 1800 / 1900 |
|
| Speed | HSPA 42.2/5.76 Mbps, LTE-A (CA), 5G | HSPA 7.2/0.384 Mbps | |
| GPRS | Yes | Class 10 | |
| Edge | Yes | Class 10 | |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac/6e, dual-band, Wi-Fi Direct, hotspot | Wi-Fi 802.11 b/g | |
| GPS | Yes, with A-GPS, GLONASS, BDS, GALILEO | Yes, with A-GPS | |
| NFC | Yes | ||
| USB | USB Type-C 3.2, USB On-The-Go | miniUSB | |
| Bluetooth | 5.2, A2DP, LE | 2.0, A2DP | |
| Harmful irradiation |
SAR - 0.77 W/kg (head) 1.02 W/kg (body) SAR EU - 0.77 W/kg (head) 1.02 W/kg (body) |
Music and Audio
| Radio | FM radio (Snapdragon only) | Stereo FM radio, RDS | |
| Headphone jack | No | No | |
| Others | - 32-bit/384kHz audio -Tuned by AKG |
Other features
| Sensors | - Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer | - Accelerometer | |
| Other extras |
- Samsung DeX, Samsung Wireless DeX (desktop experience support) -ANT+ -Bixby natural language commands and dictation - Fast charging 25W -USB Power Delivery 3.0 -Fast Qi/PMA wireless charging 15W -Reverse wireless charging 4.5W - Samsung Pay (Visa, MasterCard certified) -Ultra Wideband (UWB) support -IP68 dust/water resistant (up to 1.5m for 30 mins) -Stylus support |
- MP3/WAV/WMA player -MP4/WMV/3gp player -Pocket Office -Voice memo -Predictive text input |
|
| Versions |
- Versions: SM-G998B, SM-G998B/DS (International); SM-G998U (USA); SM-G998U1 (USA unlocked); SM-G998W (Canada); SM-G998N (Korea); SM-G9980 (China) |
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