Samsung Galaxy S21 Ultra 5G vs Asus Zenfone 9 compare
The best smartphone comparison tool: compare Samsung Galaxy S21 Ultra 5G vs Asus Zenfone 9 and choose the best model for you
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Samsung Galaxy S21 Ultra 5G
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Asus Zenfone 9
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Samsung Galaxy S21 Ultra 5G vs Asus Zenfone 9
What is the difference between the Samsung Galaxy S21 Ultra 5G and Asus Zenfone 9? Which one is better? The answers to these questions and many more can be found here in this detailed comparison of the two phones. Discover the differences in specs between these two desirable devices, from screen size to battery life, in the table below. We have all the information you need to choose the best phone for you.
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Common specs
| Brand and model | Samsung Galaxy S21 Ultra 5G | Asus Zenfone 9 | |
| Rating | (+0) | (+0) | |
| Review | Samsung Galaxy S21 Ultra 5G Review | ||
| Release date | 2021, January 14 | 2022, July 28 | |
| Dimensions (HxWxD) | 165.1 x 75.6 x 8.9 mm | 6.5 x 6.5 x 2.98 in | 146.5 x 68.1 x 9.1 mm | 5.77 x 5.77 x 2.68 in | |
| Weight | 227 g | 8.01 oz | 169 g | 5.96 oz | |
| Body Build | Glass front (Gorilla Glass Victus), glass back (Gorilla Glass Victus), aluminum frame | Glass front (Gorilla Glass Victus), plastic back, aluminum frame | |
| Colors | Phantom Black, Phantom Silver, Phantom Titanium, Phantom Navy, Phantom Brown | Black, Blue, Red, Silver | |
| Battery | 5000 mAh, Li-Ion, non-removable | 4300 mAh, Li-Po, non-removable | |
| Approximate price | $ 960 | 800 EUR |
Screen
| Technology | Dynamic AMOLED 2X | Super AMOLED | |
| Touchscreen | capacitive touchscreen | capacitive touchscreen | |
| Display colors | 16M | 16M | |
| Screen size | 6.8" inc | 5.9" inc | |
| Screen area | 112.1 cm2 | 84.0 cm2 | |
| Screen format | 20:9 (height:width) | 20:9 (height:width) | |
| Screen to body ratio | 89.8% | ||
| Screen resolution | 1440 x 3200 px | 1080 x 2400 px | |
| Screen PPI /points per inch/ | 515 PPI | 446 PPI | |
| Screen protection | Corning Gorilla Glass Victus | Corning Gorilla Glass Victus | |
| Other specs | - Always-on display -120Hz -HDR10+ -1500 nits (peak) |
- 120Hz -HDR10+ -1100 nits (peak) |
Camera and Video
| Rear camera, main | 108 MP, Quad | 50 MP, Dual | |
| 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 |
-50 MP, f/1.9, 23.8mm (wide), 1/1.56", 1.0µm, PDAF, gimbal OIS -12 MP, f/2.2, 14.4mm, 113° (ultrawide), 1/2.93", 1.4µm, AF |
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| Functions | LED flash, auto-HDR, panorama | LED flash, HDR, panorama | |
| Video | 8K@24fps, 4K@30/60fps, 1080p@30/60/240fps, 720p@960fps, HDR10+, stereo sound rec., gyro-EIS | 8K@24fps, 4K@30/60/120fps, 1080p@30/60/240fps, 720p@480fps; gyro-EIS, HDR | |
| DxOMark Main Score | 121 | ||
| DxOMark Photo | 128 | ||
| DxOMark Video | 98 | ||
| Front camera, selfie | 40 MP, Single | 12 MP, Single | |
| Specifications | 40 MP, f/2.2, 26mm (wide), 1/2.8'', 0.7µm, PDAF | 12 MP, f/2.5, 27.5mm (standard), 1/2.93", 1.22µm, dual pixel PDAF | |
| Functions | Dual video call, Auto-HDR | ||
| Video | 4K@30/60fps, 1080p@30fps | 4K@30fps, 1080p@30/60fps | |
| DxOMark Selfie Score | 101 | ||
| DxOMark Photo | 104 | ||
| DxOMark Video | 95 |
Performance
| Operating system - OS | Android 11, One UI 3.1 | Android 12, ZenUI | |
| Chipset | - Exynos 2100 (5 nm)
- Qualcomm SM8350 Snapdragon 888 (5 nm) - USA/China |
- Qualcomm SM8475 Snapdragon 8+ Gen 1 (4 nm) | |
| Processor 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 |
- Octa-core (1x3.19 GHz Cortex-X2 & 3x2.75 GHz Cortex-A710 & 4x1.80 GHz Cortex-A510) | |
| Graphics processor GPU | Mali-G78 MP14 - International Adreno 660 - USA/China |
Adreno 730 | |
| External memory | No | No | |
| Internal memory | 128GB 12GB RAM, 256GB 12GB RAM, 512GB 16GB RAM | 128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM, 256GB 16GB RAM |
Benchmark
| Antutu 10 Total | 744835 | ||
| Antutu 10 CPU | 199654 | ||
| Antutu 10 GPU | 229735 | ||
| Antutu 10 Mem | 150252 | ||
| Antutu 10 UX | 199654 | ||
| Antutu 9 Total | 1083852 | ||
| Antutu 8 Total | 638987 | ||
| GeekBench 5 Single Core | 960 | 1289 | |
| GeekBench 5 Multi-Core | 3177 | 4243 |
Communication and Connectivity
| SIM card | Single SIM (Nano-SIM and/or eSIM)Dual SIM (Nano-SIM and/or eSIM, dual stand-by) | Dual SIM (Nano-SIM, dual stand-by) | |
| Network | GSM / CDMA / HSPA / EVDO / LTE / 5G | GSM / HSPA / LTE / 5G | |
Show all network frequencies: |
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| Speed | HSPA 42.2/5.76 Mbps, LTE-A (CA), 5G | HSPA 42.2/5.76 Mbps, LTE-A (5CA) Cat20 2000/150 Mbps, 5G | |
| GPRS | Yes | Yes | |
| Edge | Yes | Yes | |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac/6e, dual-band, Wi-Fi Direct, hotspot | Wi-Fi 802.11 a/b/g/n/ac/6e, dual-band, Wi-Fi Direct, DLNA, hotspot | |
| GPS | Yes, with A-GPS, GLONASS, BDS, GALILEO | Yes, with A-GPS. Up to dual-band: GLONASS (1), BDS (2), GALILEO (2), QZSS (2), NavIC (1) | |
| NFC | Yes | Yes | |
| USB | USB Type-C 3.2, USB On-The-Go | USB Type-C, USB On-The-Go | |
| Bluetooth | 5.2, A2DP, LE | 5.2, A2DP, LE, aptX HD, aptX Adaptive, LDAC | |
| 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) |
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Music and Audio
| Radio | FM radio (Snapdragon only) | No | |
| Headphone jack | No | Yes | |
| Others | - 32-bit/384kHz audio -Tuned by AKG |
- 32-bit/384kHz audio |
Other features
| Sensors | - Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer | - Fingerprint (side-mounted), accelerometer, gyro, proximity, compass | |
| 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 |
- Fast charging 30W -USB Power Delivery 3.0 -Reverse charging - IP68 dust/water resistant (up to 1.5m for 30 mins) |
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| Versions |
- Versions: SM-G998B, SM-G998B/DS (International); SM-G998U (USA); SM-G998U1 (USA unlocked); SM-G998W (Canada); SM-G998N (Korea); SM-G9980 (China) |
- Also known as Asus Zenfone 9z |
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