Intel Xeon w7-3555 28 Cores 56 Threads 325 W TDP 2.7 GHz Frequency 4.8 GHz Boost Sapphire Rapids Codename Socket 4677

Intel Xeon w7-3555 28 Cores 56 Threads 325 W TDP 2.7 GHz Frequency 4.8 GHz Boost Sapphire Rapids Codename Socket 4677

Original price was: $2,499.00.Current price is: $2,339.00.

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Features & Compatibility

The Intel Xeon w7-3555 is a server/workstation processor with 28 cores, launched in August 2024, at an MSRP of $2339. It is part of the Xeon W lineup, using the Sapphire Rapids architecture with Socket 4677. Thanks to Intel Hyper-Threading the core-count is effectively doubled, to 56 threads. Xeon w7-3555 has 75 MB of L3 cache and operates at 2.7 GHz by default, but can boost up to 4.8 GHz, depending on the workload. Intel is making the Xeon w7-3555 on a 10 nm production node, the transistor count is unknown. The multiplier is locked on Xeon w7-3555, which limits its overclocking potential.
With a TDP of 325 W, the Xeon w7-3555 is extremely power hungry, which means you need top-notch cooling. Intel’s processor supports DDR5 memory with an eight-channel interface. The highest officially supported memory speed is 4800 MT/s, but with overclocking (and the right memory modules) you can go even higher. ECC memory is supported, too, which is an important capability for mission-critical systems, to avoid data corruption. For communication with other components in the computer, Xeon w7-3555 uses a PCI-Express Gen 5 connection. This processor lacks integrated graphics, you might need a graphics card.
Hardware virtualization is available on the Xeon w7-3555, which greatly improves virtual machine performance. Additionally, IOMMU virtualization (PCI passthrough) is supported, so that guest virtual machines may directly use host hardware. Programs using Advanced Vector Extensions (AVX) can run on this processor, boosting performance for calculation-heavy applications. Besides AVX, Intel has added support for the newer AVX2 and AVX-512 instructions, too.

Physical

Socket: Intel Socket 4677
Foundry: Intel
Process Size: 10 nm
Die Size: 4x 477 mm²
Package: FC-LGA16A
tCaseMax: 78°C

Processor

Market: Server/Workstation
Production Status: Active
Release Date: Aug 24th, 2024
Launch Price: $2339
Part#: SRN75

Performance

Frequency: 2.7 GHz
Turbo Clock: up to 4.8 GHz
Turbo Boost 2.0: 4.6 GHz
Base Clock: 100 MHz
Multiplier: 27.0x
Multiplier Unlocked: No
TDP: 325 W
Max Turbo Power: 390 W

Architecture

Codename: Sapphire Rapids
Generation: Xeon W
(Sapphire Rapids)
Memory Support: DDR5
Max. Memory: 4 TB (4400 MT/s only)
Rated Speed: 4800 MT/s
Memory Bus: Eight-channel
ECC Memory: Yes
PCI-Express: Gen 5, 112 Lanes
(CPU only)
DMI: 4.0 x8
Chipset: W790

Core Config

# of Cores: 28
# of Threads: 56
AVX-512 FMA Ports: 2
SMP # CPUs: 1
Integrated Graphics: N/A

Cache

Cache L1: 80 KB (per core)
Cache L2: 2 MB (per core)
Cache L3: 75 MB

Features

  • MMX
  • SSE
  • SSE2
  • SSE3
  • SSSE3
  • SSE4.2
  • AVX
  • AVX2
  • AVX-512
  • AVX-VNNI
  • FMA3
  • SHA
  • EIST
  • Intel 64
  • XD bit
  • VT-x
  • VT-d
  • AES-NI
  • TSX
  • TXT
  • CLMUL
  • F16C
  • BMI1
  • BMI2
  • ABM
  • ADX
  • AMX
  • RdRand
  • 5-level NPT
  • X2APIC
  • Intel DSA
  • DLBoost 2.0
  • vPro
  • TBT 2.0
  • TBT 3.0

Notes

PCI-Express PHY handles 16-Lanes of PCI-E 5.0 or CXL 1.1, two PHYs per compute die (8 total).

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