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Intel Xeon 6944P specifications and in-depth review

Intel Xeon 6944P

Manufacturer: Intel

The Intel Xeon 6944P is a high-performance processor designed for enterprise applications. It offers 144 threads and a turbo clock speed of 3.9 GHz, making it a solid choice for demanding workloads in data centers and high-performance computing environments.

With a 350W TDP and support for up to 3000GB of DDR5 ECC memory, the Xeon 6944P is built to handle large-scale tasks. It also supports 12 memory channels and utilizes PCIe 5.0 for fast data transfer, ensuring strong performance in memory-intensive applications.

Pros
  • Supports ECC memory, ensuring error correction for improved data integrity in critical applications.
  • Equipped with 12 memory channels, allowing for efficient data flow and enhanced performance in multi-threaded tasks.
  • Supports PCIe 5.0 for faster data transfer, which is beneficial for high-bandwidth applications.
Cons
  • Does not include integrated graphics, limiting its ability to handle graphical workloads without a dedicated GPU.
  • Has a high 350W TDP, which may require advanced cooling solutions and increases power consumption.
  • The clock multiplier is locked, preventing overclocking for users seeking customizable performance boosts.
Who is this for?

The Intel Xeon 6944P is ideal for high-performance enterprise environments that require substantial computational power and memory capacity. Its support for ECC memory ensures data integrity, making it suitable for mission-critical applications. With 12 memory channels and a maximum memory capacity of up to 3000GB, it excels in tasks that demand large-scale data processing, such as data centers, scientific computing, and complex simulations.

Who is this NOT for?

This processor is not ideal for users who need integrated graphics, as it does not include a GPU. It also has a high 350W TDP, meaning it requires robust cooling solutions, making it unsuitable for compact or energy-conscious setups. Additionally, the locked clock multiplier limits customization for users looking to overclock for maximum performance.

General info:

Thermal Design Power (TDP) 350W
release date February 2025
semiconductor size 3 nm
PCI Express (PCIe) version 5
Supports 64-bit ✓
CPU temperature 91 °C
Has integrated graphics ✕

The Intel Xeon 6944P features a 350W TDP, indicating its high power requirements under full load. Built on a 3 nm semiconductor process, this CPU offers advanced efficiency. It supports PCIe 5.0 for fast data transfer and is compatible with 64-bit architectures. However, it does not include integrated graphics and operates at a temperature of 91°C under load.

Performance:

CPU speed 72 x 1.8 GHz
CPU threads 144 threads
turbo clock speed 3.9GHz
L3 cache 432 MB
L1 cache 6912 KB
L2 cache 144 MB
L2 core 2 MB/core
clock multiplier 18
Has an unlocked multiplier ✕
L3 core 6 MB/core
Turbo Boost version 2

The Intel Xeon 6944P offers a base CPU speed of 72 x 1.8 GHz with a turbo boost of up to 3.9 GHz. It features a significant 144 threads for efficient multitasking and large-scale processing. The processor is equipped with 432 MB of L3 cache, 6912 KB of L1 cache, and 144 MB of L2 cache, ensuring fast data access. However, it does not support an unlocked multiplier for overclocking and operates with a clock multiplier of 18x.

Memory:

Supports ECC memory ✓
DDR memory version 5
RAM speed (max) 8800 MHz
maximum memory amount 3000GB
memory channels 12
bus transfer rate 24 GT/s

The Intel Xeon 6944P supports ECC memory, ensuring error correction for critical data integrity. It utilizes DDR5 memory with a maximum speed of 8800 MHz and supports up to 3000GB of RAM. The processor also features 12 memory channels, enabling efficient data flow, and offers a high bus transfer rate of 24 GT/s for fast communication between components.

Features:

uses multithreading ✓
instruction sets MMX, F16C, FMA3, AES, AVX, AVX2, SSE 4.1, SSE 4.2
Has NX bit ✓

The Intel Xeon 6944P supports multithreading, enabling efficient simultaneous processing of multiple tasks. It also includes a wide range of instruction sets like MMX, FMA3, AES, AVX, and SSE 4.1/4.2 for enhanced computational capabilities. Additionally, it features the NX bit for improved security by preventing the execution of code in certain regions of memory.

Benchmarks:

Final Verdict

The Intel Xeon 6944P is a powerful enterprise CPU designed for demanding workloads, offering impressive memory support with ECC memory and up to 3000GB of RAM. Its high thread count and turbo boost performance make it suitable for large-scale data processing and high-performance computing. However, its lack of integrated graphics and high TDP may limit its use in more compact or energy-sensitive environments. Overall, this processor excels in enterprise and data-center applications, delivering the reliability and performance required for intensive tasks.

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