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Samsung SM-S918WZKFXAC Galaxy S23 Ultra Smartphone - 6. 8" Dynamic AMOLED QHD+ 3088 x 1440 - 512 GB Storage - 12 GB RAM - Octa-core Snapdragon 8 Gen 2
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Product Features
Technical Overview
At the core of the Galaxy S23 Ultra is the Qualcomm SM8550-AC Snapdragon 8 Gen 2 chipset, featuring a Cortex X3 core clocked at 3.36 GHz, Cortex A715 and A710 cores at 2.80 GHz, and an octa-core combined architecture. This processor, paired with 12 GB of RAM, ensures swift app launches, smooth graphics rendering, and efficient power management for sustained performance.
The 6.8-inch Dynamic AMOLED display offers a QHD+ resolution of 3088 x 1440 pixels, a 120 Hz standard refresh rate for fluid scrolling, and a high contrast ratio of 3,000,000:1 for deep blacks and vibrant colors. The screen-to-body ratio of 89.5% maximizes the viewing area within a compact form factor.
This section brings together practical product details such as Phone Style, Sensor Type, Virtual Assistant, Processor Type, so buyers can judge configuration, deployment fit, and day-to-day suitability with less guesswork.
Key Product Advantages
The Galaxy S23 Ultra stands out with its professional-grade camera system, high-performance hardware, and enterprise-ready connectivity. It is designed to meet the needs of mobile professionals, content creators, and tech enthusiasts who require a device that excels in both productivity and creativity.
Advanced Camera System
The quad rear camera includes a 200 MP main sensor for ultra-high-resolution photos, along with 12 MP, 10 MP, and 10 MP sensors for versatility in wide-angle, telephoto, and portrait shots. It supports 8K video recording, while the 12 MP front camera captures 4K video for crisp video calls and selfies.
Robust Connectivity
With 5G support, multi-SIM capability for up to three Nano/eSIM cards, and comprehensive network compatibility including GSM, CDMA, and LTE Advanced, this phone ensures reliable communication worldwide. Wi-Fi, NFC, and GPS provide additional wireless functionality.
Durability and Design
The IP68 rating protects against dust and water immersion, while the Phantom Black finish offers a sleek, professional appearance. The device's dimensions of 6.43" x 3.07" x 0.35" and weight of 8.25 oz make it portable yet substantial.
Deployment / Use Cases
The Samsung Galaxy S23 Ultra is ideal for business professionals, remote workers, and creative individuals who need a powerful mobile device for on-the-go productivity and communication. Its unlocked status and multi-SIM support make it suitable for international travel and flexible carrier options.
Use cases include mobile office setups with high-resolution video conferencing, field photography and videography with professional-grade camera tools, and intensive applications such as mobile gaming, data analysis, and content creation. The built-in S Pen compatibility enhances note-taking, sketching, and precise navigation for added productivity.
Business Mobility
Perfect for executives and remote teams requiring secure, high-speed 5G connectivity, multi-tasking capabilities, and enterprise-grade durability for daily use in various environments.
Content Creation
Ideal for photographers, videographers, and social media managers who benefit from the 200 MP camera, 8K video recording, and large storage for editing and sharing high-quality media directly from the device.
Localization and Operating System
The Galaxy S23 Ultra runs Android 13, providing access to the latest features, security updates, and a wide ecosystem of apps through the Google Play Store. As an unlocked and SIM-free device, it is not tied to any specific carrier, allowing users to choose their preferred service provider locally or internationally.
The virtual assistant Samsung Bixby is integrated for voice commands and smart device control, enhancing user convenience. The phone supports multiple languages and regional settings, making it adaptable for global use.
This section brings together practical product details such as Phone Style, Sensor Type, Virtual Assistant, Processor Type, so buyers can judge configuration, deployment fit, and day-to-day suitability with less guesswork.
Physical Profile
Crafted with a premium bar-style design, the Galaxy S23 Ultra features a slim profile measuring 6.43 inches in height, 3.07 inches in width, and 0.35 inches in depth. The Phantom Black color offers a sophisticated look, while the weight of 8.25 ounces ensures a solid feel without being cumbersome. The device includes an ultrasonic fingerprint sensor and various other sensors for enhanced usability and security.
- Width
- 3.07" (78.10 mm)
- Depth
- 0.35" (8.90 mm)
- Height
- 6.43" (163.40 mm)
- Weight
- 8.25 oz (234 g)
Highlights
- 6.8-inch Dynamic AMOLED QHD+ display with 120 Hz refresh rate
- Qualcomm Snapdragon 8 Gen 2 octa-core processor with 12 GB RAM
- 512 GB of built-in storage for apps, photos, and videos
- Quad rear camera system with 200 MP main sensor and 8K video recording
- 5G connectivity and multi-SIM support for up to three cards
- 5000 mAh battery with fast-charge and wireless charging capabilities
- IP68 rating for dust and water resistance
- Unlocked and SIM-free for flexible carrier use
- Android 13 operating system with Samsung Bixby assistant
- Phantom Black color with sleek, professional design
Specifications
| Specifications | |
|---|---|
| Manufacturer | Samsung |
| Manufacturer Part Number | SM-S918WZKFXAC |
| Brand Name | Samsung |
| Product Line | Galaxy S23 Ultra |
| Product Name | Galaxy S23 Ultra Smartphone |
| Product Type | Smartphone |
| Technical Information | |
| Phone Style | Bar |
| Sensor Type | Proximity Sensor,Accelerometer,Digital Compass,Barometer,Ultrasonic Fingerprint Sensor,Gyro Sensor,GPS |
| Virtual Assistant | Samsung Bixby |
| Fast-charge Capable | Yes |
| Wireless Charging | Yes |
| Processor | |
| Processor Type | Cortex X3 |
| Processor Speed | 3.36 GHz |
| Processor Core | Single-core (1 Core) |
| 2nd Processor Type | Cortex A715 |
| 2nd Processor Speed | 2.80 GHz |
| 2nd Processor Core | Dual-core (2 Core) |
| 3rd Processor Type | Cortex A710 |
| 3rd Processor Speed | 2.80 GHz |
| 3rd Processor Core | Dual-core (2 Core) |
| Combined Processor Core | Octa-core |
| Chipset | |
| Chipset Manufacturer | Qualcomm |
| Chipset Model | SM8550-AC Snapdragon 8 Gen 2 |
| Memory | |
| Built-in Memory | 512 GB |
| Standard Memory | 12 GB |
| Memory Card Slot | No |
| Display & Graphics | |
| Screen Size | 6.8" |
| Screen Type | Dynamic AMOLED |
| Screen Mode | QHD+ |
| Screen Resolution | 3088 x 1440 |
| Screen-to-body Ratio | 89.5% |
| Contrast Ratio (Typical) | 3000000:1 |
| Standard Refresh Rate | 120 Hz |
| Maximum Frame Rate | 60 fps |
| Touchscreen Information | |
| Touchscreen | Yes |
| Camera | |
| Rear Camera | Quad |
| Rear Camera Resolution | 12 Megapixel |
| Second Rear Camera Resolution | 200 Megapixel |
| Third Rear Camera Resolution | 10 Megapixel |
| Fourth Rear Camera Resolution | 10 Megapixel |
| Rear Camera Video Recording Resolution | 8K |
| Front Camera | Single |
| Front Camera Resolution | 12 Megapixel |
| Front Camera Video Recording Resolution | 4K |
| Software | |
| Operating System | Android |
| Operating System Version | Android 13 |
| Network & Communication | |
| Service Provider | Unlocked |
| Contract Type | SIM-free |
| Multi-SIM Supported | Yes |
| Number of SIM Card Supported | 3 |
| SIM Size Supported | Nano/eSIM |
| Cellular Generation | 5G |
| Cellular Network Supported | GSM 850,GSM 900,GSM 1800,GSM 1900,CDMA 800,CDMA 1900,CDMA2000 (1xEV-DO),TD-SCDMA,HSDPA 850,HSDPA 900,HSDPA 1700,HSDPA 1900,HSDPA 2100 |
| Cellular Data Connectivity Technology | LTE,LTE Advanced,EVDO,GPRS,HSPA,HSDPA,EDGE |
| GPS Receiver | Yes |
| Wireless LAN | Yes |
| Near Field Communication | Yes |
| Battery Information | |
| Battery Capacity | 5000 mAh |
| Physical Characteristics | |
| Product Color | Phantom Black |
| Height | 6.43" (163.40 mm) |
| Width | 3.07" (78.10 mm) |
| Depth | 0.35" (8.90 mm) |
| Weight (Approximate) | 8.25 oz (234 g) |
| Miscellaneous | |
| Ingress Protection (IP) Rating | IP68 |
| Warranty | |
| Limited Warranty | 12 Month |
User Manual
FAQ
What is the screen size and resolution of the Samsung Galaxy S23 Ultra?
The Samsung Galaxy S23 Ultra features a 6.8-inch Dynamic AMOLED display with a QHD+ resolution of 3088 x 1440 pixels. This high-resolution screen offers sharp visuals, vibrant colors, and a 120 Hz refresh rate for smooth scrolling and responsive touch interactions, making it ideal for multimedia, gaming, and productivity tasks.
How much storage and RAM does this smartphone have?
This model includes 512 GB of built-in storage, providing ample space for apps, photos, videos, and documents without the need for a memory card slot. It is equipped with 12 GB of RAM, which supports efficient multitasking and smooth performance when running demanding applications or switching between multiple tasks.
What processor powers the Galaxy S23 Ultra?
The Galaxy S23 Ultra is powered by the Qualcomm SM8550-AC Snapdragon 8 Gen 2 processor. This chipset features an octa-core configuration with a Cortex X3 core at 3.36 GHz and additional Cortex A715 and A710 cores, delivering high-speed performance for gaming, photography, and everyday use while optimizing power efficiency.
Does the Galaxy S23 Ultra support 5G and multiple SIM cards?
Yes, the Galaxy S23 Ultra supports 5G cellular networks for fast data speeds and low latency. It is multi-SIM capable, accommodating up to three SIM cards in Nano/eSIM formats, allowing users to manage personal and business lines or use local carriers while traveling internationally. The device is unlocked and SIM-free for maximum flexibility.
What are the camera specifications of this phone?
The smartphone features a quad rear camera system with a 200-megapixel main sensor, a 12-megapixel sensor, and two 10-megapixel sensors for versatile photography options. It supports 8K video recording from the rear cameras and has a 12-megapixel front camera that records 4K video, enabling high-quality content creation and video calls.
Is the Galaxy S23 Ultra water and dust resistant?
Yes, the Galaxy S23 Ultra has an IP68 ingress protection rating, meaning it is dust-tight and can withstand immersion in water up to 1.5 meters deep for 30 minutes. This makes it suitable for use in various environments, providing durability against accidental spills, rain, or dust exposure during daily activities.
How many SIP lines or accounts does this phone support?
Communication products are best understood through their line support, connectivity profile, and deployment fit. Those details help buyers confirm desk-phone or conference-room suitability before rollout.
What network or Ethernet connectivity is listed?
Communication products are best understood through their line support, connectivity profile, and deployment fit. Those details help buyers confirm desk-phone or conference-room suitability before rollout.
| Qty | Price | Available |
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