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Intel Xeon 6741P specifications and in-depth review

Intel Xeon 6741P

Manufacturer: Intel

The Intel Xeon 6741P is a high-core-count server processor designed for demanding enterprise workloads. Running at a base clock of 2.5 GHz across all 48 cores, it supports 96 threads via multithreading, making it well-suited for heavily parallelized computing tasks. Built on a 3 nm semiconductor process, it operates within a thermal envelope of 300W and reaches a maximum junction temperature of 93 °C.

On the memory side, the Xeon 6741P supports DDR5 across eight channels, with a maximum speed of 6400 MHz and support for up to 4000 GB of ECC memory — a notable figure for memory-intensive server configurations. The processor features a substantial 288 MB of L3 cache alongside 96 MB of L2 cache, with 2 MB allocated per core at the L2 level. PCIe 5 connectivity is supported, and the chip includes instruction set extensions such as AVX2, FMA3, AES, and SSE 4.2. In benchmark testing, it achieves a PassMark multi-core score of 100,660 and a single-core result of 3,195.

Pros
  • Supports up to 4000 GB of DDR5 ECC memory across eight channels, accommodating large-scale server workloads that depend on memory integrity and capacity
  • 288 MB of L3 cache across 48 cores provides a substantial on-chip data pool that helps sustain throughput in multi-threaded workloads
  • PCIe 5 support enables high-bandwidth connectivity for storage and expansion devices in enterprise configurations
  • Built on a 3 nm process node, which contributes to fitting 48 cores within a defined thermal envelope
  • A broad set of instruction set extensions — including AVX2, FMA3, and AES — supports vectorized computation and hardware-accelerated encryption natively
  • Multi-core PassMark score of 100,660 reflects strong parallel processing capability across all 48 cores
Cons
  • 300W TDP places significant demands on server cooling infrastructure and power delivery systems
  • No integrated graphics means an additional discrete component is required even for basic display output during setup or maintenance
  • The clock multiplier is locked, removing any option for frequency tuning or overclocking
  • Single-core PassMark result of 3,195 indicates modest per-core performance for workloads that rely heavily on single-threaded execution
  • Base clock of 2.5 GHz is relatively conservative, with turbo reaching only 3.8 GHz under boosted conditions
Who is this for?

This processor is well-matched for large-scale enterprise server deployments that demand sustained parallel throughput — particularly workloads such as virtualization, in-memory databases, and data analytics pipelines that can take advantage of 96 threads and up to 4000 GB of DDR5 ECC memory. The eight-channel memory architecture and 288 MB of L3 cache make it a practical fit for memory-bandwidth-intensive applications, while hardware-accelerated instruction sets including AES and AVX2 suit environments running cryptographic operations or vectorized numerical computing. Organizations building multi-socket or dense rack configurations around PCIe 5 storage and networking hardware will also find its connectivity support relevant.

Who is this NOT for?

This processor is not a practical choice for workloads that depend heavily on single-threaded execution speed, as its per-core PassMark result of 3,195 and base clock of 2.5 GHz leave limited headroom for latency-sensitive or single-threaded applications. Its 300W TDP makes it entirely unsuitable for environments with constrained power budgets or limited cooling infrastructure, ruling out compact or edge deployments. Additionally, the absence of integrated graphics means it cannot serve in any context where a display output is needed without a dedicated graphics component, and the locked clock multiplier makes it a poor fit for any use case that would benefit from frequency customization.

General info:

Thermal Design Power (TDP) 300W
semiconductor size 3 nm
PCI Express (PCIe) version 5
Supports 64-bit ✓
CPU temperature 93 °C
Has integrated graphics ✕

The Intel Xeon 6741P carries a Thermal Design Power (TDP) of 300W and is manufactured on a 3 nm semiconductor process, reflecting a compact fabrication node for a processor in this class. It supports the PCIe 5 interface and is fully 64-bit compatible, with a maximum rated CPU temperature of 93 °C. The processor does not include integrated graphics, meaning a discrete graphics solution is required in any deployment.

Performance:

CPU speed 48 x 2.5 GHz
CPU threads 96 threads
turbo clock speed 3.8GHz
L3 cache 288 MB
L1 cache 5376 KB
L2 cache 96 MB
L2 core 2 MB/core
clock multiplier 25
Has an unlocked multiplier ✕
L3 core 6 MB/core
Turbo Boost version 2

The Intel Xeon 6741P operates with 48 cores running at a base clock of 2.5 GHz, supporting a total of 96 threads, and can reach a turbo clock speed of 3.8 GHz via Turbo Boost version 2. The clock multiplier is set at 25 and the multiplier is locked, leaving no overclocking flexibility. Cache capacity is substantial across all levels: L1 stands at 5376 KB, L2 at 96 MB with 2 MB allocated per core, and L3 at 288 MB with 6 MB per core — providing a large on-chip data pool to support the processor's high thread count.

Memory:

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

The Intel Xeon 6741P uses DDR5 memory across eight channels, with a maximum supported RAM speed of 6400 MHz. It can address up to 4000 GB of total memory, making it capable of handling configurations with very large working data sets. ECC memory is supported, which allows the system to detect and correct single-bit memory errors — a standard requirement in server and enterprise environments.

Features:

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

The Intel Xeon 6741P supports multithreading, allowing each physical core to handle two threads simultaneously. It includes the NX bit, a hardware-level feature that helps prevent certain classes of malicious code execution. The processor also supports a broad set of instruction set extensions — MMX, F16C, FMA3, AES, AVX, AVX2, SSE 4.1, and SSE 4.2 — covering vectorized math, hardware-accelerated encryption, and half-precision floating-point conversion, among other capabilities.

Benchmarks:

PassMark result 100660
PassMark result (single) 3195

In PassMark testing, the Intel Xeon 6741P achieves a multi-core score of 100,660, reflecting its capacity to sustain throughput across all 48 cores under load. Its single-core PassMark result of 3,195 indicates the per-core performance level available for tasks that rely on single-threaded execution.

Final Verdict

The Intel Xeon 6741P is a processor built with a clear purpose: to serve demanding enterprise environments that require high core density, substantial memory capacity, and reliable parallel throughput. Its combination of 48 cores, 96 threads, and 288 MB of L3 cache backed by eight-channel DDR5 ECC memory makes it a technically coherent fit for virtualization, in-memory computing, and data-intensive server workloads. It does carry real constraints — a 300W thermal footprint, a locked multiplier, and modest single-threaded performance — that limit its appeal outside of well-provisioned data center contexts. For organizations deploying workloads that genuinely scale across many threads and require large, error-corrected memory pools, the Xeon 6741P delivers a specification set that aligns well with those demands.

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