Intel Xeon Silver 4314 vs AMD EPYC 7451

Comparative analysis of Intel Xeon Silver 4314 and AMD EPYC 7451 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 Silver 4314

AMD EPYC 7451

Differences

Reasons to consider the Intel Xeon Silver 4314

CPU is newer: launch date 3 year(s) 10 month(s) later
Around 6% higher clock speed: 3.40 GHz vs 3.2 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 10 nm vs 14 nm
Around 33% more L2 cache; more data can be stored in the L2 cache for quick access later
Around 33% lower typical power consumption: 135 Watt vs 180 Watt
Around 14% better performance in PassMark - Single thread mark: 2192 vs 1931

Specifications (specs)
Launch date	6 Apr 2021 vs June 2017
Maximum frequency	3.40 GHz vs 3.2 GHz
Manufacturing process technology	10 nm vs 14 nm
L2 cache	16 MB vs 512 KB (per core)
Thermal Design Power (TDP)	135 Watt vs 180 Watt
Benchmarks
PassMark - Single thread mark	2192 vs 1931

Reasons to consider the AMD EPYC 7451

Processor is unlocked, an unlocked multiplier allows for easier overclocking
8 more cores, run more applications at once: 24 vs 16
16 more threads: 48 vs 32
2.3x more L1 cache, more data can be stored in the L1 cache for quick access later
2.7x more L3 cache, more data can be stored in the L3 cache for quick access later
Around 13% better performance in PassMark - CPU mark: 52322 vs 46348

Specifications (specs)
Unlocked	Unlocked vs Locked
Number of cores	24 vs 16
Number of threads	48 vs 32
L1 cache	96 KB (per core) vs 1 MB
L3 cache	64 MB vs 24 MB
Benchmarks
PassMark - CPU mark	52322 vs 46348

Compare benchmarks

CPU 1: Intel Xeon Silver 4314
CPU 2: AMD EPYC 7451

PassMark - Single thread mark

CPU 1

CPU 2

2192

1931

PassMark - CPU mark

CPU 1

CPU 2

46348

52322

Name	Intel Xeon Silver 4314	AMD EPYC 7451
PassMark - Single thread mark	2192	1931
PassMark - CPU mark	46348	52322

Compare specifications (specs)

	Intel Xeon Silver 4314	AMD EPYC 7451
Essentials
Architecture codename	Ice Lake	Zen
Launch date	6 Apr 2021	June 2017
Launch price (MSRP)	$694 - $705
Place in performance rating	574	613
Processor Number	4314
Series	3rd Generation Intel Xeon Scalable Processors	AMD EPYC 7000 Series
Status	Launched
Vertical segment	Server	Server
Family		AMD EPYC
Performance
Base frequency	2.40 GHz	2.3 GHz
L1 cache	1 MB	96 KB (per core)
L2 cache	16 MB	512 KB (per core)
L3 cache	24 MB	64 MB
Manufacturing process technology	10 nm	14 nm
Maximum core temperature	86°C
Maximum frequency	3.40 GHz	3.2 GHz
Number of cores	16	24
Number of threads	32	48
Number of Ultra Path Interconnect (UPI) Links	2
64 bit support
Die size		192 mm
Transistor count		4800 million
Unlocked
Memory
Max memory channels	8	8
Maximum memory size	6 TB
Supported memory frequency	2667 MHz	2666 MHz
Supported memory types	DDR4-2667	DDR4
Maximum memory bandwidth		341 GB/s
Compatibility
Package Size	77.5mm x 56.5mm
Sockets supported	FCLGA4189	TR4
Thermal Design Power (TDP)	135 Watt	180 Watt
Max number of CPUs in a configuration		2
Socket Count		1P/2P
Peripherals
Max number of PCIe lanes	64
PCI Express revision	4.0	x128
Scalability	2S
Security & Reliability
Execute Disable Bit (EDB)
Intel® Software Guard Extensions (Intel® SGX)
Intel® Trusted Execution technology (TXT)
Mode-based Execute Control (MBE)
Advanced Technologies
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)
AMD Virtualization (AMD-V™)