Intel Xeon Gold 6448H 32 Cores 64 Threads 250 W TDP 2.4 GHz Frequency 4.1 GHz Boost Sapphire Rapids Codename Socket 4677

Intel Xeon Gold 6448H 32 Cores 64 Threads 250 W TDP 2.4 GHz Frequency 4.1 GHz Boost Sapphire Rapids Codename Socket 4677

Original price was: $4,099.00.Current price is: $3,658.00.

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Features & Compatibility

The Intel Xeon Gold 6448H is a server/workstation processor with 32 cores, launched in January 2023, at an MSRP of $3658. It is part of the Xeon Gold lineup, using the Sapphire Rapids-SP architecture with Socket 4677. Thanks to Intel Hyper-Threading the core-count is effectively doubled, to 64 threads. To further increase overall system performance, up to four Xeon Gold 6448H CPUs can link up in a multi-processor (SMP) configuration. Xeon Gold 6448H has 60 MB of L3 cache and operates at 2.4 GHz by default, but can boost up to 4.1 GHz, depending on the workload. Intel is building the Xeon Gold 6448H on a 10 nm production process, the transistor count is unknown. The multiplier is locked on Xeon Gold 6448H, which limits its overclocking capabilities.
With a TDP of 250 W, the Xeon Gold 6448H 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 Gold 6448H 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 Gold 6448H, 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) will 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
Package: FC-LGA16A
tCaseMax: 83°C

Processor

Market: Server/Workstation
Production Status: Active
Release Date: Jan 10th, 2023
Launch Price: $3658
Part#: SRMGW

Performance

Frequency: 2.4 GHz
Turbo Clock: up to 4.1 GHz
All Core Turbo: 3.2 GHz
High Priority Core Freq.: 2.6 GHz
Base Clock: 100 MHz
Multiplier: 24.0x
Multiplier Unlocked: No
TDP: 250 W

Architecture

Codename: Sapphire Rapids
Generation: Xeon Gold
(Sapphire Rapids-SP)
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, 80 Lanes
(CPU only)
UPI Links: 3 x24 16GT/s
Chipset: C741

Core Config

# of Cores: 32
High Priority Cores: 12
# of Threads: 64
AVX-512 FMA Ports: 2
SMP # CPUs: 4
Integrated Graphics: N/A

Cache

Cache L1: 80 KB (per core)
Cache L2: 2 MB (per core)
Cache L3: 60 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
  • QAT
  • DLB
  • IAA
  • DLBoost 2.0
  • vPro
  • TBT 2.0

Notes

Each PCI-Express PHY handles 16-Lanes of PCI-E 5.0 or CXL 1.1, 6 PHYs featured on-die.

Speed Select Technology – Performance Profiles:
6448H (0) – 32 Active Cores @ 2.4 GHz 250 W
6448H (1) – 32 Active Cores @ 2.1 GHz 225 W
6448H (2) – 32 Active Cores @ 1.9 GHz 205 W

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