Intel Xeon Platinum 8458P vs Intel Xeon Gold 6146

Comparative analysis of Intel Xeon Platinum 8458P and Intel Xeon Gold 6146 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, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core.

Intel Xeon Platinum 8458P

Intel Xeon Gold 6146

Differences

Reasons to consider the Intel Xeon Platinum 8458P

32 more cores, run more applications at once: 44 vs 12
64 more threads: 88 vs 24
A newer manufacturing process allows for a more powerful, yet cooler running processor: 10 nm vs 14 nm
Around 21% better performance in PassMark - Single thread mark: 2841 vs 2346
3.1x better performance in PassMark - CPU mark: 117136 vs 38392

Specifications (specs)
Number of cores	44 vs 12
Number of threads	88 vs 24
Manufacturing process technology	10 nm vs 14 nm
Benchmarks
PassMark - Single thread mark	2841 vs 2346
PassMark - CPU mark	117136 vs 38392

Reasons to consider the Intel Xeon Gold 6146

Around 11% higher clock speed: 4.20 GHz vs 3.8 GHz
2.1x lower typical power consumption: 165 Watt vs 350 Watt

Maximum frequency	4.20 GHz vs 3.8 GHz
Thermal Design Power (TDP)	165 Watt vs 350 Watt

Compare benchmarks

CPU 1: Intel Xeon Platinum 8458P
CPU 2: Intel Xeon Gold 6146

PassMark - Single thread mark

CPU 1

CPU 2

2841

2346

PassMark - CPU mark

CPU 1

CPU 2

117136

38392

Name	Intel Xeon Platinum 8458P	Intel Xeon Gold 6146
PassMark - Single thread mark	2841	2346
PassMark - CPU mark	117136	38392
Geekbench 4 - Single Core		4964
Geekbench 4 - Multi-Core		35971

Compare specifications (specs)

	Intel Xeon Platinum 8458P	Intel Xeon Gold 6146
Essentials
Launch date	10 Jan 2023	Q3'17
Launch price (MSRP)	$6759
Place in performance rating	25	27
Architecture codename		Skylake
Processor Number		6146
Series		Intel® Xeon® Scalable Processors
Status		Launched
Vertical segment		Server
Performance
Base frequency	2.7 GHz	3.20 GHz
Die size	4x 477 mm²
L1 cache	80 KB (per core)
L2 cache	2 MB (per core)
L3 cache	82.5 MB
Manufacturing process technology	10 nm	14 nm
Maximum case temperature (TCase)	78°C
Maximum frequency	3.8 GHz	4.20 GHz
Number of cores	44	12
Number of threads	88	24
Unlocked
Maximum core temperature		76°C
Number of Ultra Path Interconnect (UPI) Links		3
Memory
ECC memory support
Supported memory types	DDR5	DDR4-2666
Max memory channels		6
Maximum memory size		768 GB
Supported memory frequency		2666 MHz
Compatibility
Max number of CPUs in a configuration	2
Sockets supported	4677	FCLGA3647
Thermal Design Power (TDP)	350 Watt	165 Watt
Low Halogen Options Available
Package Size		76.0mm x 56.5mm
Peripherals
PCIe configurations	Gen 5, 80 Lanes, (CPU only)
Max number of PCIe lanes		48
PCI Express revision		3.0
Scalability		S4S
Security & Reliability
Execute Disable Bit (EDB)
Intel® Run Sure Technology
Intel® Trusted Execution technology (TXT)
Mode-based Execute Control (MBE)
Advanced Technologies
Enhanced Intel SpeedStep® technology
Instruction set extensions		Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512
Intel 64
Intel® AES New Instructions
Intel® Hyper-Threading technology
Intel® Optane™ Memory Supported
Intel® TSX-NI
Intel® Turbo Boost technology
Intel® Volume Management Device (VMD)
Intel® vPro™ Platform Eligibility
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)