Feex·CPU
Intel · Xeon 6 · Server

Intel® Xeon™ 6546P-B

The Intel Xeon 6546P-B is a server processor released on January 1, 2025, built on the Granite Rapids architecture. It has 32 cores and 64 threads, a base clock of 2.30 GHz, a maximum boost of 3.50 GHz, 128 MB of L3 cache, a 195 W TDP and the FCBGA4368 socket.

Cores
32
Threads
64
Boost Clock
3.5 GHz
Base Clock
2.3 GHz
Architecture
Granite Rapids
Socket
FCBGA4368
TDP
195 W
L3 Cache
128 MB
Core layout
PPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPP
32 Performance 64 Threads
Notable capabilities:AMX (Advanced Matrix Extensions)AMXAVX-512Extended Page Tables (EPT)

Best for

Heavy parallel simulation & compilationServer / professional infrastructure

Overview

The Intel Xeon 6546P-B is a server processor with 32 cores and 64 threads, built on the Granite Rapids architecture. It launched in Jan 2025. Clocks run from 2.3 GHz base to 3.5 GHz boost. A 128-MB L3 cache backs the cores (4.0 MB per core). It addresses DDR5 memory up to 1157.12 GB across 4 channels. The chip drops into the FCBGA4368 socket and exposes PCIe 5.0 (48 lanes). Rated TDP is 195 W. Notable platform capabilities: AMX (Advanced Matrix Extensions), AMX, AVX-512, Extended Page Tables (EPT).

Core Configuration

Cores
32
Threads
64
Performance Cores
32
Threads per Core
2
Base Clock
2.3 GHz
Boost Clock
3.5 GHz

The Intel Xeon 6546P-B has 32 physical cores and runs 64 logical threads. It runs 2 threads per core. It runs at a base clock of 2.30 GHz and boosts up to 3.50 GHz.

Architecture & Generation

Manufacturer
Intel
Family
Xeon 6
Segment
Server
Generation
Intel Xeon 6 processors
Architecture
Granite Rapids
Codename
Granite Rapids-D
Process Node
Not recorded
Lithography
Not recorded
Release Date
Jan 2025

The Intel Xeon 6546P-B is a server processor, belongs to the Intel Xeon 6 family, uses the Granite Rapids architecture and carries the codename Granite Rapids-D. It launched in Jan 2025.

Cache

L3 Cache
128 MB
Cache per Core
4 MB
Total Cache
128 MB

The Intel Xeon 6546P-B has 128 MB of L3 cache. That adds up to about 128.0 MB of cache, or 4.00 MB per core. Feex has no recorded L1 cache size for this processor.

Memory Support

Max Memory
1.13 TB
Memory Channels
4
Memory Types
DDR5
DDR5 Support
Yes
DDR4 Support
No
LPDDR Support
No

The Intel Xeon 6546P-B supports DDR5 memory, addresses up to 1,157 GB of memory and uses 4 memory channels. It does not support DDR4 and LPDDR memory.

Graphics

Integrated Graphics
No

The Intel Xeon 6546P-B does not include integrated graphics, so a discrete graphics card is required for display output.

Platform & Compatibility

Socket
FCBGA4368
PCIe Generation
5.0
PCIe Lanes
48

The Intel Xeon 6546P-B uses the FCBGA4368 socket, supports PCI Express 5.0 and provides up to 48 PCIe lanes.

Power & Thermals

TDP
195 W

The Intel Xeon 6546P-B has a rated TDP of 195 W.

Platform Capabilities

Instruction sets, security, virtualization, AI acceleration and OS readiness. Features are listed as supported, explicitly not supported, or not recorded; a feature that is not recorded is not the same as unsupported.

Instruction Sets

7 supported
Supported
AMXAVX-512AVX2AVXAVX-VNNI64-bit (x86-64)SSE4.2
Not recorded
AES-NICETCET-IBTCET-SSFMAFMA3

Security and Reliability

5 supported
Supported
Execute Disable (NX)Boot GuardSGXTrusted ExecutionMode-Based Execute Control
Not recorded
AES-NIControl-flow Enforcement (CET)Hardware RNGHardware ShieldOS GuardOS Guard (SMAP)

Virtualization

3 supported
Supported
Extended Page Tables (EPT)VT-d (DMA Remapping)VT-x (Hardware Virtualization)
Not recorded
VT-x with EPTIOMMUSecond-Level Address TranslationUnrestricted Guest

AI Acceleration

2 supported
Supported
AMX (Advanced Matrix Extensions)Deep Learning Boost

The Intel Xeon 6546P-B supports AMX, AVX-512, AVX2, AVX, AVX-VNNI, 64-bit (x86-64) and SSE4.2 among its instruction set features. Feex has no record for AES-NI, CET, CET-IBT, CET-SS, FMA and FMA3, which is different from being unsupported.

The Intel Xeon 6546P-B supports Execute Disable (NX), Boot Guard, SGX, Trusted Execution and Mode-Based Execute Control among its security features. Feex has no record for AES-NI, Control-flow Enforcement (CET), Hardware RNG, Hardware Shield, OS Guard and OS Guard (SMAP), which is different from being unsupported.

The Intel Xeon 6546P-B supports Extended Page Tables (EPT), VT-d (DMA Remapping) and VT-x (Hardware Virtualization) among its virtualization features. Feex has no record for VT-x with EPT, IOMMU, Second-Level Address Translation and Unrestricted Guest, which is different from being unsupported.

The Intel Xeon 6546P-B supports AMX (Advanced Matrix Extensions) and Deep Learning Boost among its AI acceleration features.

Physical & Manufacturing

Launch Price
$2,652

The Intel Xeon 6546P-B is manufactured by Intel. It launched at a price of $2,652.

Naming & Aliases

Display Name
Intel® Xeon™ 6546P-B
Model Number
6546P-B
Product line brand
Xeon

The Intel Xeon 6546P-B is also identified by the model number 6546P-B.

Corrections to this record

After an audit, 1 value was corrected on the Intel Xeon 6546P-B record. Each change is listed with its old value, new value, rule and sources.

  • PCIe revision: Gen 4, Gen 5 → 5.0.

The audit log is public: all changes for this CPU, the corrections overview and the method.

Real-world compute in the Feex fleet

No Feex fleet machines with the Intel Xeon 6546P-B have reported compute telemetry yet, so real-world compute for this processor is not recorded.

How fleet compute is measured · Fleet compute leaderboard · JSON

Data Coverage

Feex has recorded 38% of the specifications it tracks for the Intel Xeon 6546P-B. Values Feex does not hold are shown as "Not recorded" rather than estimated.

Not recorded: Core Configuration: Efficiency Cores, Hybrid Architecture, All-Core Boost and Unlocked Multiplier. Architecture & Generation: ISA Family and Market Status. Cache: L1 Cache (Total), L2 Cache (Total), L2 Cache (per Core) and L4 Cache. Memory Support: Memory Bandwidth, ECC Memory and Max Memory Speed. Platform & Compatibility: Package and Package Size. Power & Thermals: Base Power, Maximum Turbo Power, Configurable TDP (Min), Configurable TDP (Max), Max Junction Temperature and Tcase. Physical & Manufacturing: Transistor Count, Die Size, Die Count and Foundry. Naming & Aliases: Normalized Name, SKU, Processor Number and Part Number. Performance: single-core and multi-core ratings and all computed performance metrics.

Common questions

How many cores and threads does the Intel Xeon 6546P-B have?

The Intel Xeon 6546P-B has 32 cores and 64 threads.

What architecture does the Intel Xeon 6546P-B use?

The Intel Xeon 6546P-B is built on the Granite Rapids architecture.

Does the Intel Xeon 6546P-B have integrated graphics?

No. The Intel Xeon 6546P-B does not include integrated graphics.

What socket does the Intel Xeon 6546P-B use?

The Intel Xeon 6546P-B uses the FCBGA4368 socket.

What memory does the Intel Xeon 6546P-B support?

The Intel Xeon 6546P-B supports DDR5 up to 1157.12 GB across 4 channels.

How fast does the Intel Xeon 6546P-B run?

The Intel Xeon 6546P-B can boost up to 3.5 GHz, with a 2.3 GHz base clock.

What is the TDP of the Intel Xeon 6546P-B?

The Intel Xeon 6546P-B has a TDP of 195 W.

What advanced capabilities does the Intel Xeon 6546P-B support?

Notable platform capabilities reported for the Intel Xeon 6546P-B include AMX (Advanced Matrix Extensions), AMX, AVX-512, Extended Page Tables (EPT).

What is the Intel Xeon 6546P-B best for?

Based on its specifications, the Intel Xeon 6546P-B is well suited for Heavy parallel simulation & compilation, Server / professional infrastructure.

How much cache does the Intel Xeon 6546P-B have?

The Intel Xeon 6546P-B has 128 MB of L3 cache.