Intel Xeon Gold 6448H processor review

Xeon Gold 6448H processor released by Intel; release date: 10 Jan 2023. At the time of release, the processor cost $3658. The processor is designed for server-computers and based on Sapphire Rapids microarchitecture.

CPU is locked to prevent overclocking. Total number of cores - 32, threads - 64. Maximum CPU clock speed - 4.10 GHz. Maximum operating temperature - 83. Manufacturing process technology - 7 nm. Cache size: L1 - 80K (per core), L2 - 2MB (per core), L3 - 60 MB (shared).

Supported memory types: Up to DDR5 4800 MT/s 1DPC, Up to DDR5 4400 MT/s 2DPC,. Maximum memory size: 4 TB.

Supported socket types: FCLGA4677. Power consumption (TDP): 250 Watt.

Specifications (specs)

Essentials
Architecture codename	Sapphire Rapids
Launch date	10 Jan 2023
Launch price (MSRP)	$3658
Place in performance rating	not rated
Processor Number	6448H
Series	4th Generation Intel Xeon Scalable Processors
Vertical segment	Server
Performance
Base frequency	2.40 GHz
L1 cache	80K (per core)
L2 cache	2MB (per core)
L3 cache	60 MB (shared)
Manufacturing process technology	7 nm
Maximum core temperature	83
Maximum frequency	4.10 GHz
Number of cores	32
Number of threads	64

Memory
Max memory channels	8
Maximum memory size	4 TB
Supported memory types	Up to DDR5 4800 MT/s 1DPC, Up to DDR5 4400 MT/s 2DPC,
Compatibility
Package Size	77.5mm x 56.5mm
Sockets supported	FCLGA4677
Thermal Design Power (TDP)	250 Watt
Peripherals
Max number of PCIe lanes	80
PCI Express revision	5
Scalability	S4S
Security & Reliability
Execute Disable Bit (EDB)
Intel® OS Guard
Intel® Run Sure Technology
Intel® Software Guard Extensions (Intel® SGX)
Intel® Trusted Execution technology (TXT)
Secure Boot
Advanced Technologies
Instruction set extensions	Intel AMX, Intel SSE4.2, Intel AVX, Intel AVX2, Intel AVX-512
Intel 64
Intel® AES New Instructions
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Number of AVX-512 FMA Units	2
Speed Shift technology
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)