AMD 霄龙 7451
AMD EPYC（霄龙）7451
AMD EPYC™ 7451
规格
CPU 核心数量 24
线程数量 48
基准时钟频率 2.3GHz
最大加速时钟频率 3.2GHz
所有核心智能频率提升 2.9GHz
三级缓存 64MB
插槽数 1P/2P
PCI Express 版本 PCIe 3.0 x128
默认 TDP/TDP 180W
内存
最高内存速度 2666MHz
内存通道 8
主要特性
负载水平 General Purpose
基本信息
产品家族 AMD EPYC™ (霄龙)
产品系列 AMD EPYC™ 7000 Series
平台 服务器
OPN Tray PS7451BDVHCAF
OPN PIB PS7451BDAFWOF
相关产品
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CPU 核心数量: 32线程数量: 64最大加速时钟频率: 3.2GHz基准时钟频率: 2.2GHz默认 TDP/TDP: 180W
AMD EPYC™ 7551P
CPU 核心数量: 32线程数量: 64最大加速时钟频率: 3GHz基准时钟频率: 2GHz默认 TDP/TDP: 180W
AMD EPYC™ 7551
CPU 核心数量: 32线程数量: 64最大加速时钟频率: 3GHz基准时钟频率: 2GHz默认 TDP/TDP: 180W
| General information | |
|---|---|
| Type | System-on-a-Chip |
| Market segment | Server |
| Family | AMD EPYC |
| Model number ? | 7451 |
| SOC part numbers | PS7451BDVHCAF is an OEM/tray system-on-a-chipPS7451BDAFWOF is a boxed system-on-a-chip |
| Frequency ? | 2300 MHz |
| Maximum turbo frequency | 3200 MHz (1 core) 2900 MHz (all cores) |
| Package | 4094-land Organic Land Grid Array (OLGA) |
| Socket | Socket SP3 |
| Size | 2.83" x 2.17" / 7.19cm x 5.5cm |
| Introduction date | June 20, 2017 (announced) July 2017 (availability) |
| Price at introduction | $2400+ |
| Architecture / Microarchitecture | |
| Microarchitecture | Zen |
| Processor core ? | Naples |
| Core stepping ? | ZP-B2 |
| CPUID | 800F12 |
| Manufacturing process | 0.014 micron |
| Data width | 64 bit |
| The number of CPU cores | 24 |
| The number of threads | 48 |
| Floating Point Unit | Integrated |
| Level 1 cache size ? | 24 x 64 KB 4-way set associative instruction caches 24 x 32 KB 8-way set associative writeback data caches |
| Level 2 cache size ? | 24 x 512 KB inclusive 8-way set associative unified caches |
| Level 3 cache size | 64 MB |
| Physical memory | 2 TB |
| Multiprocessing | Up to 2 processors |
| Extensions and Technologies | MMX instructionsExtensions to MMXSSE / Streaming SIMD ExtensionsSSE2 / Streaming SIMD Extensions 2SSE3 / Streaming SIMD Extensions 3SSSE3 / Supplemental Streaming SIMD Extensions 3SSE4 / SSE4.1 + SSE4.2 / Streaming SIMD Extensions 4 ? SSE4a ? AES / Advanced Encryption Standard instructionsAVX / Advanced Vector ExtensionsAVX2 / Advanced Vector Extensions 2.0BMI / BMI1 + BMI2 / Bit Manipulation instructionsSHA / Secure Hash Algorithm extensionsF16C / 16-bit Floating-Point conversion instructionsFMA3 / 3-operand Fused Multiply-Add instructionsAMD64 / AMD 64-bit technology ? SMT / Simultaneous MultiThreadingEVP / Enhanced Virus Protection ? AMD-V / AMD Virtualization technologyPrecision BoostSMAP / Supervisor Mode Access PreventionSMEP / Secure Mode Execution Protection [1] |
| Integrated peripherals / components | |
| Integrated graphics | None |
| Memory controller | Memory channels: 8 Supported memory: DDR4-2666 DIMMs per channel: up to 2 Maximum memory bandwidth (GB/s): 170.6 |
| Other peripherals | PCI Express 3.0 interface (128 lanes)USB 3.0 (4 ports)I2C interfaceLPC interfaceSPI interfaceGeneral Purpose I/OSecurity processorAMD Infinity Fabric |
| Electrical / Thermal parameters | |
| Thermal Design Power ? | 180 Watt |
| Notes on AMD EPYC 7451 | |
| Maximum DDR4 memory frequency is for 1 DIMM per channel configurations When 2 DIMMs per channel are populated, the memory runs at 2133 MHzThe processor has the following security, data protection and/or software features: Secure Root-of-Trust technology, Secure Run technology, Secure memory encryption and Secure move technology. | |