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Intel Xeon 6511P specifications and in-depth review

Intel Xeon 6511P

Manufacturer: Intel

The Intel Xeon 6511P is a powerful Enterprise CPU designed for demanding applications. It features a base clock speed of 2.3 GHz and supports 32 threads, providing efficient multitasking and processing capabilities.

Key specifications include a 150W TDP, 3 nm semiconductor size, and support for up to 4000GB of DDR5 RAM at a maximum speed of 6400 MHz. It also supports ECC memory and uses multithreading for enhanced performance in multi-core workloads.

Pros
  • Supports multithreading, which enhances performance in multi-tasking and parallel workloads.
  • Has a large 72 MB L3 cache, improving data access speed for complex tasks.
  • Supports ECC memory for error correction, which is crucial for reliability in critical environments.
  • Supports PCIe version 5, ensuring fast data transfer speeds for high-bandwidth applications.
  • Compatible with DDR5 memory, providing faster data rates and better overall memory performance.
Cons
  • Does not have integrated graphics, requiring a discrete GPU for display output.
  • Clock multiplier is locked, limiting overclocking potential.
Who is this for?

The Intel Xeon 6511P is well-suited for enterprise environments and workloads that require high parallel processing capabilities. With its 32 threads and support for ECC memory, it is ideal for data-intensive tasks where reliability and error correction are critical. The large 72 MB L3 cache and support for high-speed DDR5 RAM make it highly effective for applications requiring fast data access and large memory capacities, such as server operations and virtualized environments.

Who is this NOT for?

This CPU is not suitable for users who need integrated graphics, as it lacks integrated graphics, requiring a separate GPU for display. Additionally, the locked clock multiplier means it is not suitable for users seeking overclocking flexibility to push performance beyond factory settings. Its high power consumption of 150W also makes it less ideal for compact or energy-efficient systems.

General info:

Thermal Design Power (TDP) 150W
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 6511P features a 150W Thermal Design Power (TDP), indicating its energy consumption under maximum load. It is built using a 3 nm semiconductor size, ensuring enhanced efficiency and performance. This CPU supports PCIe version 5 for fast data transfer and is fully compatible with 64-bit systems. However, it does not include integrated graphics, meaning a discrete GPU is required for display output. The CPU operates at a maximum temperature of 98°C under load.

Performance:

CPU speed 16 x 2.3 GHz
CPU threads 32 threads
turbo clock speed 4.2GHz
L3 cache 72 MB
L1 cache 1792 KB
L2 cache 32 MB
L2 core 2 MB/core
clock multiplier 23
Has an unlocked multiplier ✕
L3 core 4.5 MB/core
Turbo Boost version 2

The Intel Xeon 6511P offers a total clock speed of 16 x 2.3 GHz and is capable of reaching a turbo boost speed of 4.2 GHz under demanding conditions. With 32 threads, it excels in handling parallel workloads, making it suitable for enterprise-level tasks. The CPU is equipped with a large 72 MB L3 cache and includes 32 MB of L2 cache, providing efficient data access. It also supports Turbo Boost version 2 for improved performance during high-demand processes.

Memory:

Supports ECC memory ✓
DDR memory version 5
RAM speed (max) 6400 MHz
maximum memory amount 4000GB
memory channels 8

The Intel Xeon 6511P supports ECC memory, ensuring error-correcting capabilities for improved data integrity in critical environments. It is compatible with DDR5 memory and can handle RAM speeds up to 6400 MHz. The CPU supports a maximum memory capacity of 4000GB across 8 memory channels, making it highly capable for memory-intensive applications.

Features:

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

The Intel Xeon 6511P supports multithreading, enabling efficient handling of multiple tasks simultaneously. It includes a range of instruction sets, such as MMX, F16C, AES, and AVX2, optimizing performance for various workloads. Additionally, the CPU features the NX bit, providing enhanced security by preventing certain types of malicious attacks.

Benchmarks:

Final Verdict

The Intel Xeon 6511P is a robust Enterprise CPU, ideal for high-performance, data-intensive applications that require reliability and multitasking capabilities. With its 32 threads and support for ECC memory, it excels in environments where stability and efficiency are paramount. While lacking integrated graphics and overclocking potential, it is well-suited for server and virtualized workloads, offering large memory support and fast data access. Overall, it’s a solid choice for enterprises seeking dependable performance in demanding scenarios.

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