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Intel Xeon 6748P specifications and in-depth review

Intel Xeon 6748P

Manufacturer: Intel

The Intel Xeon 6748P is a high-performance Enterprise CPU designed to meet the needs of demanding server environments. It features a total of 48 cores, delivering a robust processing capacity with a base clock speed of 2.5 GHz, capable of turbo boosting up to 4.1 GHz. Its Thermal Design Power (TDP) of 300W ensures efficient power management under load.

This processor supports a wide range of technical features, including ECC memory for enhanced data reliability, and has a maximum memory capacity of 4000GB. It uses DDR5 memory at speeds up to 6400 MHz, with 8 memory channels and a bus transfer rate of 24 GT/s. The Xeon 6748P also supports multithreading and a variety of advanced instruction sets, making it a versatile choice for enterprise applications.

Pros
  • Supports ECC memory for enhanced data reliability in enterprise applications.
  • Has 8 memory channels, allowing for high memory bandwidth and performance.
  • Capable of handling up to 4000GB of memory, providing extensive capacity for demanding workloads.
  • Uses PCIe 5.0 for faster data transfer between components, improving overall system efficiency.
  • Supports multithreading, enabling better handling of parallel tasks and multitasking.
Cons
  • Does not have integrated graphics, requiring a separate GPU for display output.
  • Has a locked multiplier, limiting the ability to overclock the processor for higher performance.
  • Reaches a high maximum CPU temperature of 102°C, which may require effective cooling solutions.
Who is this for?

The Intel Xeon 6748P is ideal for enterprise-level environments that require high-performance computing, such as large-scale data processing, virtualization, and server applications. With its 96 threads and support for ECC memory, it is well-suited for tasks that demand both computational power and data reliability. The ability to handle up to 4000GB of memory across 8 channels makes it effective for memory-intensive workloads like databases or scientific simulations.

Who is this NOT for?

This processor is not suitable for users who require integrated graphics or those who need to optimize for power efficiency in consumer-level devices. Its lack of integrated graphics means a separate GPU is required for display, which may not be ideal for non-server use cases. Additionally, the high CPU temperature of 102°C under load may require robust cooling solutions, making it less appropriate for compact or energy-efficient systems.

General info:

Thermal Design Power (TDP) 300W
release date February 2025
semiconductor size 3 nm
PCI Express (PCIe) version 5
Supports 64-bit ✓
CPU temperature 102 °C
Has integrated graphics ✕

The Intel Xeon 6748P features a 300W Thermal Design Power (TDP), which ensures efficient power delivery under heavy workloads. Built using an advanced 3 nm semiconductor size, it offers improved performance and energy efficiency. This processor supports PCI Express 5.0 for faster data transfer and operates with a 64-bit architecture, enabling it to handle larger data sets. However, it does not include integrated graphics, and the CPU temperature can reach up to 102°C under full load.

Performance:

CPU speed 48 x 2.5 GHz
CPU threads 96 threads
turbo clock speed 4.1GHz
L3 cache 192 MB
L1 cache 5376 KB
L2 cache 96 MB
L2 core 2 MB/core
clock multiplier 25
Has an unlocked multiplier ✕
L3 core 4 MB/core
Turbo Boost version 2

The Intel Xeon 6748P offers impressive processing power with a base CPU speed of 48 x 2.5 GHz, capable of reaching 4.1 GHz with Turbo Boost. It supports 96 threads, making it highly efficient in parallel processing tasks. With a substantial 192 MB of L3 cache and 96 MB of L2 cache, the processor is optimized for high throughput and low latency. However, it features a locked multiplier, meaning it cannot be overclocked.

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 6748P supports ECC memory, enhancing reliability for mission-critical applications. It is compatible with DDR5 memory, with speeds reaching up to 6400 MHz. The processor can handle up to 4000GB of memory, distributed across 8 memory channels for improved bandwidth and performance. Additionally, it supports a bus transfer rate of 24 GT/s, ensuring high-speed data movement.

Features:

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

The Intel Xeon 6748P utilizes multithreading, allowing it to handle multiple tasks simultaneously for improved performance in parallel workloads. It supports a broad range of instruction sets, including MMX, F16C, FMA3, AES, AVX, AVX2, SSE 4.1, and SSE 4.2, which enhances its ability to process complex calculations efficiently. Additionally, the processor includes the NX bit, providing added security by preventing certain types of malicious software from executing.

Benchmarks:

Final Verdict

The Intel Xeon 6748P is a robust choice for high-demand enterprise applications, offering significant power with its 96 threads and the ability to handle up to 4000GB of memory across 8 channels. Its support for ECC memory ensures reliability, making it well-suited for mission-critical tasks. While it excels in server environments, the lack of integrated graphics and the need for effective cooling under heavy loads limit its use in more compact or consumer-level systems. Overall, this processor is a powerful solution for large-scale, memory-intensive workloads where performance and data integrity are paramount.

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