Intel Xeon 6788P specifications and in-depth review

Intel Xeon 6788P

Manufacturer: Intel

The Intel Xeon 6788P is a high-performance Enterprise CPU designed for demanding workloads. With a base clock speed of 86 x 2 GHz and support for up to 4000GB of RAM, it offers impressive capabilities for enterprise environments. The processor has a 350W TDP and lacks integrated graphics, focusing on raw computational power.

Key features of the Intel Xeon 6788P include support for ECC memory, 8 memory channels, and a maximum RAM speed of 6400 MHz. The CPU also supports PCIe 5.0 and offers 172 threads, enabling effective multithreading. The turbo boost reaches 3.8 GHz, and it includes a large 336 MB L3 cache for improved performance in multi-threaded tasks.

Pros
  • Supports multithreading, enabling efficient handling of parallel tasks.
  • Has ECC memory support, ensuring data integrity for critical applications.
  • Equipped with a large 336 MB L3 cache, enhancing data access speed for demanding workloads.
  • Supports DDR5 memory with a high maximum RAM speed of 6400 MHz, offering fast memory performance.
Cons
  • Does not have integrated graphics, limiting its use in systems that require onboard GPU functionality.
  • Lacks an unlocked multiplier, preventing overclocking for enhanced performance tuning.
  • High thermal design power (TDP) of 350W, which may require robust cooling solutions in certain setups.
Who is this for?

The Intel Xeon 6788P is well-suited for enterprise environments that require robust computational power and data integrity. With support for ECC memory and a high RAM capacity of up to 4000GB, it is ideal for handling mission-critical tasks and large-scale data processing. The processor's support for multithreading and large cache sizes, including 336 MB L3 cache, makes it effective in parallel processing and complex workloads, such as server applications and scientific simulations.

Who is this NOT for?

This processor is not ideal for users who require integrated graphics or have space and cooling constraints. The lack of integrated graphics makes it unsuitable for systems where GPU functionality is needed without a discrete graphics card. Additionally, the high TDP of 350W may necessitate advanced cooling solutions, making it less suitable for smaller, more compact systems or environments with limited cooling capabilities.

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 97 °C
Has integrated graphics

The Intel Xeon 6788P is built on a 3 nm semiconductor process and supports PCIe 5.0, providing efficient data throughput for demanding tasks. Its 350W TDP reflects its high power consumption, while the processor operates at a temperature of 97°C under load. This CPU is 64-bit compatible, but it does not include integrated graphics, focusing solely on raw computational performance.

Performance:

CPU speed 86 x 2 GHz
CPU threads 172 threads
turbo clock speed 3.8GHz
L3 cache 336 MB
L1 cache 9632 KB
L2 cache 172 MB
L2 core 2 MB/core
clock multiplier 20
Has an unlocked multiplier
L3 core 3.91 MB/core
Turbo Boost version 2

The Intel Xeon 6788P features a base CPU speed of 86 x 2 GHz, providing substantial performance with 172 threads. It can boost up to 3.8 GHz with Turbo Boost version 2, and is equipped with a large 336 MB L3 cache for efficient data access. Additionally, the CPU includes 9632 KB of L1 cache and 172 MB of L2 cache, with a clock multiplier set to 20, though it lacks an unlocked multiplier for overclocking.

Memory:

Supports ECC memory
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 6788P supports ECC memory, ensuring data integrity for critical applications. It is compatible with DDR5 memory, with a maximum RAM speed of 6400 MHz and supports up to 4000GB of memory. The processor utilizes 8 memory channels for efficient data access and achieves a bus transfer rate of 24 GT/s, optimizing performance in memory-intensive tasks.

Features:

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

The Intel Xeon 6788P supports multithreading, enabling better performance in multi-tasking environments. It includes a wide range of instruction sets, such as MMX, AES, AVX, and SSE 4.2, enhancing its ability to handle complex operations. Additionally, it features the NX bit, which helps protect against malicious software by preventing certain types of attacks.

Benchmarks:

Final Verdict

The Intel Xeon 6788P is a high-performance enterprise CPU designed for demanding workloads and large-scale data processing. With support for ECC memory and up to 4000GB of RAM, it excels in ensuring data integrity and handling memory-intensive tasks. Its multithreading capabilities and ample cache sizes make it ideal for multi-threaded applications. However, its lack of integrated graphics and high TDP may limit its use in compact or GPU-reliant systems. Overall, this processor is well-suited for high-performance servers and computational environments where power and reliability are paramount.

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