Intel Xeon Platinum 8458P vs Intel Xeon Gold 6448Y

Comparative analysis of Intel Xeon Platinum 8458P and Intel Xeon Gold 6448Y processors for all known characteristics in the following categories: Essentials, Performance, Memory, Compatibility, Peripherals, Security & Reliability, Advanced Technologies, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark.

Intel Xeon Platinum 8458P

Intel Xeon Gold 6448Y

Differences

Reasons to consider the Intel Xeon Platinum 8458P

12 more cores, run more applications at once: 44 vs 32
24 more threads: 88 vs 64
Around 38% more L1 cache; more data can be stored in the L1 cache for quick access later
1441792x more L2 cache, more data can be stored in the L2 cache for quick access later
Around 38% more L3 cache; more data can be stored in the L3 cache for quick access later
Around 12% better performance in PassMark - CPU mark: 117136 vs 104805

Specifications (specs)
Number of cores	44 vs 32
Number of threads	88 vs 64
L1 cache	80 KB (per core) vs 80K (per core)
L2 cache	2 MB (per core) vs 2MB (per core)
L3 cache	82.5 MB vs 60 MB (shared)
Benchmarks
PassMark - CPU mark	117136 vs 104805

Reasons to consider the Intel Xeon Gold 6448Y

Around 8% higher clock speed: 4.10 GHz vs 3.8 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 7 nm vs 10 nm
Around 56% lower typical power consumption: 225 Watt vs 350 Watt
Around 15% better performance in PassMark - Single thread mark: 3277 vs 2841

Specifications (specs)
Maximum frequency	4.10 GHz vs 3.8 GHz
Manufacturing process technology	7 nm vs 10 nm
Thermal Design Power (TDP)	225 Watt vs 350 Watt
Benchmarks
PassMark - Single thread mark	3277 vs 2841

Compare benchmarks

CPU 1: Intel Xeon Platinum 8458P
CPU 2: Intel Xeon Gold 6448Y

PassMark - Single thread mark

CPU 1

CPU 2

2841

3277

PassMark - CPU mark

CPU 1

CPU 2

117136

104805

Name	Intel Xeon Platinum 8458P	Intel Xeon Gold 6448Y
PassMark - Single thread mark	2841	3277
PassMark - CPU mark	117136	104805

Compare specifications (specs)

	Intel Xeon Platinum 8458P	Intel Xeon Gold 6448Y
Essentials
Launch date	10 Jan 2023	10 Jan 2023
Launch price (MSRP)	$6759	$3583
Place in performance rating	26	23
Architecture codename		Sapphire Rapids
Processor Number		6448Y
Series		4th Generation Intel Xeon Scalable Processors
Vertical segment		Server
Performance
Base frequency	2.7 GHz	2.10 GHz
Die size	4x 477 mm²
L1 cache	80 KB (per core)	80K (per core)
L2 cache	2 MB (per core)	2MB (per core)
L3 cache	82.5 MB	60 MB (shared)
Manufacturing process technology	10 nm	7 nm
Maximum case temperature (TCase)	78°C
Maximum frequency	3.8 GHz	4.10 GHz
Number of cores	44	32
Number of threads	88	64
Unlocked
Maximum core temperature		79
Memory
ECC memory support
Supported memory types	DDR5	Up to DDR5 4800 MT/s 1DPC, Up to DDR5 4400 MT/s 2DPC,
Max memory channels		8
Maximum memory size		4 TB
Compatibility
Max number of CPUs in a configuration	2
Sockets supported	4677	FCLGA4677
Thermal Design Power (TDP)	350 Watt	225 Watt
Package Size		77.5mm x 56.5mm
Peripherals
PCIe configurations	Gen 5, 80 Lanes, (CPU only)
Max number of PCIe lanes		80
PCI Express revision		5
Scalability		2S
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)