AMD EPYC 3451 vs Intel Xeon Platinum 8256

Comparative analysis of AMD EPYC 3451 and Intel Xeon Platinum 8256 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.

AMD EPYC 3451

Intel Xeon Platinum 8256

Differences

Reasons to consider the AMD EPYC 3451

12 more cores, run more applications at once: 16 vs 4
24 more threads: 32 vs 8
Around 46% higher maximum core temperature: 105°C vs 72°C
6x more L1 cache, more data can be stored in the L1 cache for quick access later
2x more L2 cache, more data can be stored in the L2 cache for quick access later
Around 5% lower typical power consumption: 100 Watt vs 105 Watt
Around 16% better performance in PassMark - CPU mark: 19532 vs 16787

Specifications (specs)
Number of cores	16 vs 4
Number of threads	32 vs 8
Maximum core temperature	105°C vs 72°C
L1 cache	96K (per core) vs 256 KB
L2 cache	512K (per core) vs 4 MB
Thermal Design Power (TDP)	100 Watt vs 105 Watt
Benchmarks
PassMark - CPU mark	19532 vs 16787

Reasons to consider the Intel Xeon Platinum 8256

CPU is newer: launch date 9 month(s) later
Around 30% higher clock speed: 3.90 GHz vs 3 GHz
540672x more L3 cache, more data can be stored in the L3 cache for quick access later
Around 37% better performance in PassMark - Single thread mark: 2336 vs 1700

Specifications (specs)
Launch date	11 Dec 2018 vs 21 Feb 2018
Maximum frequency	3.90 GHz vs 3 GHz
L3 cache	16.5 MB vs 32MB (shared)
Benchmarks
PassMark - Single thread mark	2336 vs 1700

Compare benchmarks

CPU 1: AMD EPYC 3451
CPU 2: Intel Xeon Platinum 8256

PassMark - Single thread mark

CPU 1

CPU 2

1700

2336

PassMark - CPU mark

CPU 1

CPU 2

19532

16787

Name	AMD EPYC 3451	Intel Xeon Platinum 8256
PassMark - Single thread mark	1700	2336
PassMark - CPU mark	19532	16787

Compare specifications (specs)

	AMD EPYC 3451	Intel Xeon Platinum 8256
Essentials
Architecture codename	Zen (Snowy Owl)	Cascade Lake
Launch date	21 Feb 2018	11 Dec 2018
Place in performance rating	1088	811
Launch price (MSRP)		$8030
Processor Number		8256
Series		2nd Generation Intel Xeon Scalable Processors
Vertical segment		Server
Performance
Base frequency	2.15 GHz	3.80 GHz
Die size	2x 213 mm²
L1 cache	96K (per core)	256 KB
L2 cache	512K (per core)	4 MB
L3 cache	32MB (shared)	16.5 MB
Manufacturing process technology	14 nm	14 nm
Maximum core temperature	105°C	72°C
Maximum frequency	3 GHz	3.90 GHz
Number of cores	16	4
Number of threads	32	8
Transistor count	4,800 million
Unlocked
Memory
ECC memory support
Supported memory types	DDR4-2666 MHz, Dual-channel	DDR4-2933
Max memory channels		6
Maximum memory size		1 TB
Supported memory frequency		2933 MHz
Compatibility
Configurable TDP	80-100 W
Max number of CPUs in a configuration	1
Sockets supported	AMD BGA SP4r2	FCLGA3647
Thermal Design Power (TDP)	100 Watt	105 Watt
Package Size		76.0mm x 56.5mm
Peripherals
PCIe configurations	Gen 3, 64 Lanes, (CPU only)
Max number of PCIe lanes		48
PCI Express revision		3.0
Scalability		S8S
Security & Reliability
Execute Disable Bit (EDB)
Intel® Run Sure Technology
Intel® Trusted Execution technology (TXT)
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® Turbo Boost technology
Intel® Volume Management Device (VMD)
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)