Intel Xeon Gold 6548Y Plus

Name: Intel Xeon Gold 6548Y Plus
Brand: Intel
SKU: 25649

Manufacturer: Intel

The Intel Xeon Gold 6548Y Plus is a server-grade processor built around a 32-core, 64-thread configuration designed for enterprise environments that demand sustained parallel throughput. Fabricated on a 10nm process with a 250W Thermal Design Power, it operates at a base frequency of 2.5GHz per core and can reach up to 4.1GHz through Turbo Boost 2.0, making it suited to workloads that benefit from both broad core availability and occasional burst frequency. It carries no integrated graphics, which is consistent with its role as a dedicated server processor requiring proper cooling and power infrastructure.

The memory subsystem supports DDR5 ECC across 8 channels at speeds up to 5200MHz, with a maximum bandwidth of 332.8GB/s and a total addressable capacity of 4000GB — figures that reflect a platform designed for memory-intensive server roles. A bus transfer rate of 20GT/s and PCIe 5.0 connectivity round out the platform's I/O capabilities. The processor includes 60MB of L3 cache distributed at 1.88MB per core, and supports a comprehensive instruction set covering AVX2, AES, FMA3, SSE 4.1, and SSE 4.2, alongside NX bit security and multithreading. In PassMark benchmarks, it scores 93317 in multi-threaded testing and 2704 in the single-threaded result.

Pros

A multi-threaded PassMark score of 93317 demonstrates substantial aggregate throughput when all 32 cores and 64 threads are engaged across parallel workloads
Eight-channel DDR5 ECC memory support at up to 5200MHz with a peak bandwidth of 332.8GB/s provides the data throughput needed for memory-intensive server applications
A maximum memory capacity of 4000GB gives platform architects considerable room to scale for large in-memory or virtualization workloads
PCIe 5.0 connectivity supports high-bandwidth integration with modern server accelerators, NVMe storage, and networking adapters
Hardware AES and AVX2 instruction support enables efficient handling of cryptographic and vectorized compute tasks without relying solely on software implementations
NX bit support provides a hardware-enforced layer of defense against certain memory-based code execution vulnerabilities

Cons

A 250W TDP demands robust power delivery and thermal infrastructure, making the processor unsuitable for environments with limited cooling capacity
The single-threaded PassMark result of 2704 reflects limited per-core output, which constrains performance for tasks that cannot be distributed across multiple threads
The clock multiplier is locked at 25 with no unlocked option, removing any possibility of frequency adjustment beyond factory settings
No integrated graphics are present, requiring additional hardware for any display or GPU-dependent functionality
The per-core L3 cache allocation of 1.88MB is relatively modest across 32 cores, which may limit cache effectiveness for workloads with large per-thread working sets

Who is this for?

The Intel Xeon Gold 6548Y Plus is well-matched for data center and enterprise server environments where large-scale parallel workloads are the norm — virtualization hosts, containerized infrastructure, multi-threaded application servers, and high-throughput data processing pipelines can all take meaningful advantage of its 32-core, 64-thread configuration. The platform's eight-channel DDR5 ECC memory subsystem with a peak bandwidth of 332.8GB/s and a 4000GB capacity ceiling makes it particularly suitable for in-memory databases, analytics engines, and workloads requiring both speed and data integrity over sustained operation. Organizations equipped with properly provisioned server infrastructure, including adequate thermal management for a 250W processor, will find its PCIe 5.0 connectivity and broad instruction set support well-aligned with modern rack-mounted deployment requirements.

Who is this NOT for?

Workloads that hinge on strong single-threaded performance are a poor fit here, as the single-threaded PassMark score of 2704 and the 2.5GHz base clock indicate that per-core throughput is not where this processor's strengths lie — latency-sensitive or legacy single-threaded applications will not extract full value from its architecture. The 250W thermal envelope also rules it out for environments where power consumption or heat dissipation is constrained, such as compact server enclosures or edge deployments without dedicated cooling. Additionally, the complete absence of integrated graphics means it cannot serve any scenario requiring onboard display output, and the locked clock multiplier eliminates any option for frequency customization beyond factory defaults.

General info:

Thermal Design Power (TDP)	250W
semiconductor size	10 nm
PCI Express (PCIe) version	5
Supports 64-bit	✓
CPU temperature	97 °C
Has integrated graphics	✕

Built on a 10nm semiconductor process, the processor carries a Thermal Design Power of 250W, placing it among the more thermally demanding server CPUs and requiring appropriate cooling and power delivery within the host system. It supports 64-bit computing and interfaces with the platform through PCIe 5.0, allowing high-bandwidth connections to compatible accelerators and peripherals. The maximum rated junction temperature is 97°C, and no integrated graphics are included, in keeping with its dedicated enterprise server orientation.

Performance:

CPU speed	32 x 2.5 GHz
CPU threads	64 threads
turbo clock speed	4.1GHz
L3 cache	60 MB
clock multiplier	25
Has an unlocked multiplier	✕
L3 core	1.88 MB/core
Turbo Boost version	2

The processor runs 32 cores at a base clock of 2.5GHz, with all 64 threads available for parallel workload distribution through multithreading support. Turbo Boost 2.0 can push individual core frequencies up to 4.1GHz when conditions allow, while the clock multiplier is fixed at 25 with no unlocked multiplier option available. The 60MB of L3 cache serves as a shared pool across all cores, though the per-core figure comes to 1.88MB — a natural outcome of distributing a fixed cache budget across a high core count.

Memory:

Supports ECC memory	✓
maximum memory bandwidth	332.8 GB/s
DDR memory version	5
RAM speed (max)	5200 MHz
maximum memory amount	4000GB
memory channels	8
bus transfer rate	20 GT/s

The processor supports DDR5 ECC memory across 8 channels, with a maximum operating speed of 5200MHz and a peak memory bandwidth of 332.8GB/s — figures that reflect a platform built to sustain high data throughput for server-grade workloads. The bus transfer rate sits at 20GT/s, and the maximum addressable memory capacity reaches 4000GB, providing considerable headroom for deployments that depend on large memory pools such as in-memory databases or virtualization hosts with many concurrent instances.

Features:

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

Multithreading is active across all cores, enabling each physical core to process two threads concurrently for more efficient handling of parallel server workloads. The instruction set support covers MMX, F16C, FMA3, AES, AVX, AVX2, SSE 4.1, and SSE 4.2, providing hardware-level acceleration for tasks ranging from vectorized arithmetic and floating-point operations to cryptographic processing. The processor also includes the NX bit, a security feature that enforces a hardware boundary between executable and non-executable memory regions to help mitigate certain classes of code injection attacks.

Benchmarks:

PassMark result	93317
PassMark result (single)	2704

In PassMark testing, the processor achieves a multi-threaded score of 93317, reflecting the cumulative throughput available when all 32 cores and 64 threads are engaged across parallel workloads. The single-threaded PassMark result of 2704 indicates the per-core execution speed available for sequential tasks, which is the more modest side of its performance profile given its orientation toward wide parallelism over raw single-core output.

Final Verdict

The Intel Xeon Gold 6548Y Plus is a processor with a clear and well-defined purpose: delivering broad parallel throughput for demanding enterprise server environments. Its 32-core architecture backed by eight-channel DDR5 ECC memory with a peak bandwidth of 332.8GB/s positions it solidly for virtualization, in-memory data workloads, and high-thread-count server applications that can fully utilize what it offers. It asks for serious infrastructure in return — a 250W thermal envelope and the absence of integrated graphics are constraints that narrow its suitability to purpose-built deployments. For data center operators and enterprise server builders whose workload profiles align with wide parallelism and high memory throughput, the Xeon Gold 6548Y Plus represents a coherent and specification-appropriate choice within its category.