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Intel Xeon 6736P specifications and in-depth review

Intel Xeon 6736P

Manufacturer: Intel

The Intel Xeon 6736P is an Enterprise CPU designed for high-performance computing. It offers a base clock speed of 36 x 2 GHz and features 72 threads for parallel processing. This processor does not include integrated graphics and supports PCIe version 5 for enhanced connectivity.

In terms of memory, the Xeon 6736P supports ECC memory and features a maximum memory bandwidth of 409.6 GB/s. It also supports DDR5 memory with speeds up to 6400 MHz and can handle up to 4000GB of RAM. The CPU operates at a thermal design power (TDP) of 205W and has a turbo boost frequency of 4.1 GHz, offering excellent processing capabilities for demanding workloads.

Pros
  • Supports ECC memory, providing error correction for increased reliability in mission-critical applications.
  • Equipped with 72 threads, enabling efficient multitasking and parallel processing for demanding workloads.
  • Offers a high maximum memory bandwidth of 409.6 GB/s, which is beneficial for data-intensive tasks.
  • Supports DDR5 memory with a maximum RAM speed of 6400 MHz, ensuring fast data access and transfer rates.
  • Utilizes multithreading, improving performance in environments where multiple tasks are processed simultaneously.
Cons
  • Does not include integrated graphics, requiring a discrete GPU for graphical tasks.
  • Has a high thermal design power (TDP) of 205W, which may necessitate advanced cooling solutions.
  • Does not have an unlocked multiplier, limiting overclocking potential for users seeking performance tuning.
Who is this for?

The Intel Xeon 6736P is ideal for environments where high processing power and reliability are essential. With its 72 threads and support for ECC memory, it excels in tasks requiring parallel processing and error correction, such as enterprise-level data analysis, scientific computing, and large-scale virtualization. Its high maximum memory bandwidth and support for DDR5 memory further make it suitable for demanding applications like server workloads and data-intensive tasks.

Who is this NOT for?

This processor is not suited for users who require integrated graphics, as the Intel Xeon 6736P does not have a GPU. Additionally, with its high thermal design power (TDP) of 205W, it may not be appropriate for compact or energy-efficient setups without robust cooling solutions. Overclockers may also find it limiting due to its lack of an unlocked multiplier, restricting its ability to be fine-tuned for maximum performance.

General info:

Thermal Design Power (TDP) 205W
release date February 2025
semiconductor size 3 nm
PCI Express (PCIe) version 5
Supports 64-bit ✓
CPU temperature 98 °C
Has integrated graphics ✕

The Intel Xeon 6736P features a Thermal Design Power (TDP) of 205W, indicating the power consumption and cooling requirements for optimal performance. It is built on a 3 nm semiconductor size, ensuring efficiency in processing. The CPU supports PCIe version 5 for fast data transfer, but does not include integrated graphics. It also fully supports 64-bit processing and operates with a maximum CPU temperature of 98°C.

Performance:

CPU speed 36 x 2 GHz
CPU threads 72 threads
turbo clock speed 4.1GHz
L3 cache 144 MB
L1 cache 4032 KB
L2 cache 72 MB
L2 core 2 MB/core
clock multiplier 20
Has an unlocked multiplier ✕
L3 core 4 MB/core
Turbo Boost version 2

The Intel Xeon 6736P offers a base CPU speed of 36 x 2 GHz and supports a turbo boost frequency of 4.1 GHz, enabling increased performance when needed. With 72 threads, this CPU is designed for efficient parallel processing. It also comes with a significant amount of cache: 144 MB of L3 cache, 72 MB of L2 cache, and 4032 KB of L1 cache, enhancing data access speed. The CPU uses a clock multiplier of 20, but it does not have an unlocked multiplier for overclocking.

Memory:

Supports ECC memory ✓
maximum memory bandwidth 409.6 GB/s
DDR memory version 5
RAM speed (max) 6400 MHz
maximum memory amount 4000GB
memory channels 8
bus transfer rate 24 GT/s

The Intel Xeon 6736P supports ECC memory, ensuring error correction for greater reliability in critical applications. It offers a maximum memory bandwidth of 409.6 GB/s and supports DDR5 memory with a maximum RAM speed of 6400 MHz. The CPU has 8 memory channels and can handle up to 4000GB of memory, with a bus transfer rate of 24 GT/s to ensure fast data processing.

Features:

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

The Intel Xeon 6736P utilizes multithreading for improved processing efficiency, enabling the execution of multiple threads simultaneously. It supports a range of instruction sets including MMX, F16C, FMA3, AES, AVX, AVX2, SSE 4.1, and SSE 4.2, enhancing performance for various computational tasks. Additionally, the CPU includes the NX bit feature for added security by preventing the execution of certain types of malicious code.

Benchmarks:

PassMark result 125444
PassMark result (single) 3445

The Intel Xeon 6736P has achieved a PassMark result of 125444, indicating its strong overall performance. For single-threaded tasks, it scored 3445 in the PassMark single-thread benchmark, reflecting its capability to handle tasks that require high single-core performance.

Final Verdict

The Intel Xeon 6736P is a high-performance enterprise CPU designed for demanding tasks that require significant parallel processing power. With its impressive 72 threads and support for ECC memory, it is well-suited for mission-critical workloads and large-scale data operations. While it lacks integrated graphics and is limited by a high TDP and a non-unlocked multiplier, it remains a solid choice for users needing reliable and efficient processing in data centers or enterprise environments.

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